FRACTURINGHUB

Frac Operator Jobs

An educational guide to frac operator roles, including day-to-day responsibilities, required skills, career progression, and how to find positions in hydraulic fracturing.

What Is a Frac Operator?

A frac operator is a field professional who runs the equipment used during hydraulic fracturing operations. Frac operator jobs involve controlling high-pressure pumps, monitoring blending systems, managing proppant delivery, and coordinating with the rest of the crew to execute the pumping plan safely and efficiently. FracturingHub created this guide to give readers a clear picture of what these roles entail and how people typically enter the field.

The term "frac operator" can refer to several positions on a frac crew — from entry-level equipment operators to senior pump operators and job supervisors. Each level carries different responsibilities and requires different skill sets.

Different Operator Positions

Equipment Operator (Entry Level)

The equipment operator is the entry-level position on a frac crew. Equipment operators perform hands-on tasks including rigging up and tearing down iron, maintaining pumps, handling chemicals, operating support vehicles, and assisting senior operators. This role provides exposure to all aspects of the frac operation and is where foundational skills are developed.

Equipment operators typically work under the direct supervision of senior operators or the pump supervisor. They are learning the equipment, safety procedures, and operational flow of a frac job. Most people spend 6 months to 2 years in this role before advancing to more specialized positions.

Pump Operator (Mid Level)

Pump operators control the high-pressure frac pumps during pumping operations. They start and stop pumps, adjust rates, monitor pressures and temperatures, and respond to abnormal conditions. Pump operators must have a deeper understanding of pump mechanics, fluid dynamics, and real-time operational decision-making.

This position requires demonstrated mechanical competence, the ability to work independently, and experience from prior field roles. Pump operators are responsible for specific pump units and must communicate constantly with the data van, blender operator, and pump supervisor.

Blender Operator (Mid Level)

The blender operator controls the mixing of fracturing fluid and proppant. They manage sand concentration, fluid rates, and chemical additive levels according to the pumping schedule. Blender operators work from a control cabin with real-time displays and must make precise adjustments to maintain treatment quality.

This is one of the most technically demanding positions on a frac crew because the blender operator directly controls what goes down the well. Mistakes in concentration or rate can affect the entire fracture treatment. Blender operators typically have 2+ years of frac experience.

Sand King / Proppant Lead (Mid Level)

The sand king manages all proppant logistics on location — coordinating trailer deliveries, operating sand transfer systems, maintaining inventory levels, and ensuring the blender has a continuous supply of sand. The sand king must work proactively because running out of sand during a stage can compromise the treatment.

This role requires organizational skills, awareness of the pumping schedule, and coordination with trucking logistics. Sand kings must also understand the various proppant types and sizes being used and ensure the correct material is delivered to the blender.

Senior Operator / Crew Chief (Senior Level)

Senior operators or crew chiefs oversee all field operations for a specific frac spread. They coordinate the activities of pump operators, blender operator, sand king, and equipment operators. The crew chief communicates with the pump supervisor, company man, and service company management.

This position typically requires 5+ years of frac experience across multiple roles. Crew chiefs must have comprehensive knowledge of all frac operations, strong leadership skills, and the ability to make decisions under pressure. They are responsible for crew performance, safety compliance, and operational efficiency.

Frac Pumper / Job Supervisor (Senior Level)

The frac pumper (or job supervisor) oversees the entire pumping operation on location. They make real-time decisions about the pumping schedule, coordinate with the operator's company man, manage the crew, and ensure the job is executed safely and to specification. This is the most senior field position and typically requires 8+ years of progressive frac experience.

Frac pumpers must understand completion engineering principles, formation response, equipment capabilities, and safety management. They have final authority on the frac site for operational decisions and bear significant responsibility for treatment quality and crew safety.

Day-to-Day Responsibilities

The daily work of a frac operator varies depending on the phase of the operation and the specific role. A typical frac job involves rigging up equipment, running pumping stages, and tearing down after completion. Here is what operators commonly handle throughout a shift:

  • Pre-job inspection: Checking pumps, fluid ends, valves, and high-pressure iron for wear or damage before pumping begins.
  • Equipment operation: Starting, stopping, and adjusting pump rates during the frac job while monitoring pressures and temperatures.
  • Communication: Coordinating with the blender operator, sand kings, data engineer, and company man to keep the job on schedule.
  • Maintenance: Performing routine maintenance on pumps and equipment between stages, including replacing fluid-end consumables like valves and seats.
  • Safety compliance: Participating in safety meetings, conducting job safety analyses, and following all site safety protocols throughout the operation.
  • Rig up and rig down: Connecting and disconnecting high-pressure lines, hoses, and chemical systems at the start and end of each well.

Job Requirements by Position Level

Entry Level (Equipment Operator / Frac Helper)

  • High school diploma or equivalent
  • Valid driver's license (CDL preferred)
  • Ability to pass drug screen and physical exam
  • No prior oilfield experience required (training provided)
  • Physical fitness for heavy manual labor
  • Willingness to work rotating shifts and travel

Mid Level (Pump Operator / Blender Operator)

  • 1-3 years of frac field experience
  • Demonstrated mechanical aptitude
  • H2S certification and other required safety tickets
  • CDL often required or strongly preferred
  • Experience operating specific equipment types
  • Strong safety record

Senior Level (Crew Chief / Frac Pumper)

  • 5+ years of progressive frac experience
  • Experience in multiple frac roles (equipment operator, pump operator, etc.)
  • Strong leadership and communication skills
  • Comprehensive knowledge of frac operations and completion design
  • Proven safety record and safety leadership ability
  • Ability to manage crew performance and make real-time operational decisions

Skills Needed to Be a Frac Operator

Equipment Operation and Mechanical Aptitude

Frac operators must understand how large diesel or electric pumps work, how to troubleshoot mechanical problems in the field, and how to perform preventive maintenance. Mechanical aptitude is one of the most valued traits in this role. Operators who can diagnose a problem quickly and fix it minimize downtime and keep the job moving.

Safety Awareness

Working with pressures above 10,000 psi, heavy equipment, and hazardous chemicals means that safety must be second nature. Frac operators need a strong safety mindset — they must follow procedures consistently, wear proper PPE, stay alert to their surroundings, and be willing to exercise stop work authority when conditions are unsafe.

Teamwork and Communication

A frac crew operates as a tightly coordinated unit. Operators must communicate clearly with other crew members, follow instructions from supervisors, and coordinate activities across multiple pieces of equipment. Miscommunication on a frac site can lead to safety incidents or operational problems, so clear and concise communication is essential.

Physical Fitness and Endurance

Frac operator jobs are physically demanding. Workers spend long hours on their feet, often in extreme heat, cold, or inclement weather. Tasks involve lifting heavy equipment, climbing on trucks and tanks, and performing repetitive manual labor. Physical fitness and stamina are important for performing the job safely over a full shift.

Attention to Detail

Monitoring pump pressures, temperatures, and fluid levels requires constant vigilance. Small changes in operating parameters can signal equipment problems or wellbore issues. Operators who pay close attention to the details can catch problems early and prevent costly failures or safety incidents.

Experience Levels and Career Progression

Entry Level: Frac Helper / Equipment Operator

Most frac operators start as helpers or general equipment operators. In this role, workers learn the basics of frac operations — rigging up iron, performing maintenance, handling chemicals, and assisting senior operators. This is where foundational skills and safety habits are built. Entry-level positions typically require a high school diploma, valid driver's license, and the ability to pass a drug screen and physical exam.

Mid Level: Pump Operator / Blender Operator

After gaining field experience (typically one to three years), workers can advance to pump operator or blender operator roles. Pump operators control the frac pumps during pumping operations, adjusting rates and monitoring performance. Blender operators manage the mixing of fracturing fluid, proppant, and chemical additives. Both roles require deeper technical knowledge and the ability to make real-time decisions.

Senior Level: Frac Pumper / Job Supervisor

The frac pumper (or job supervisor) oversees the entire pumping operation on location. They coordinate crews, communicate with the operator's company man, make decisions about the pumping schedule, and ensure the job is executed safely. This is a senior field position that typically requires five or more years of hands-on frac experience.

Advanced: Operations Manager / Training Specialist

Experienced frac operators may move into operations management, overseeing multiple crews or an entire base of operations. Others transition into training roles, teaching new hires the skills and safety practices they have accumulated over their careers. Some pursue further education to move into engineering or technical sales positions.

Certifications That Help

While many companies provide on-the-job training, having certain certifications before applying can make a candidate more competitive:

  • H2S awareness: Hydrogen sulfide safety training is required on most sites and is a common prerequisite for hiring.
  • First aid and CPR: Basic emergency response certification is valued by employers and may be required.
  • Commercial driver's license (CDL): A CDL allows operators to drive equipment between locations and is a significant advantage when applying for jobs.
  • General oilfield safety orientation: Some regions and companies offer or require a general safety orientation course for new workers.
  • Fire extinguisher training: Basic fire response training is commonly required or provided by employers.
  • Fall protection: Training in fall arrest systems is important for workers who climb equipment or work at heights.
  • Ground disturbance: Required for work near underground utilities or pipelines.
  • Defensive driving: Required by many companies for personnel who drive on company business.

Interview Preparation

Preparing for a frac operator interview involves demonstrating both your aptitude and your commitment to safety. Common interview topics include:

  • Safety awareness: Be prepared to discuss safety practices, your understanding of PPE, and how you would respond to unsafe conditions. Employers prioritize safety above all else.
  • Mechanical experience: Discuss any experience with equipment operation, maintenance, troubleshooting, or tool use — even from non-oilfield jobs.
  • Physical readiness: Be honest about your ability to perform the physical demands of the job. Employers want candidates who understand what the work involves.
  • Reliability and schedule flexibility: Demonstrate that you understand the rotating shift schedule, travel requirements, and the commitment involved in frac work.
  • Teamwork: Share examples of working effectively in teams, especially in high-pressure or demanding situations.
  • Willingness to learn: Express genuine interest in the industry and willingness to learn from experienced crew members. Humility and coachability are valued traits.

Many interviews also include a practical component — candidates may be asked to demonstrate basic mechanical skills, identify tools, or explain simple equipment functions. Familiarity with basic hand tools and mechanical concepts gives candidates an advantage.

A Day in the Life of a Frac Operator

A frac operator's shift is built around the pumping schedule. The day begins with a safety meeting and a handover from the outgoing crew, followed by a pre-job inspection of assigned equipment — checking fluid levels, belts, high-pressure iron, and safety guards. During a stage, the operator monitors gauges, holds the prescribed rate and pressure, and communicates with the blender, sand king, and data van. Between stages there is a flurry of maintenance: replacing pump valves and seats, swapping iron, and preparing for the next perforating run handled by the wireline crew.

On a busy frac job in the Permian Basin, a crew may pump several stages a day. The pace in the Delaware Basin, Midland Basin, Eagle Ford, Haynesville, Marcellus, Utica, Bakken, Powder River, Niobrara, or DJ Basin is similar — long days of intense activity punctuated by focused maintenance windows.

Tools and Equipment Frac Operators Use

Operators work with the core of the frac spread: frac pumps with their power ends and fluid ends, blenders, sand kings, chemical injection skids, and the high-pressure iron connecting everything to the wellhead. A strong operator can diagnose a failing pump by sound or vibration, identify a thinning piece of treating iron, and know the pressure rating of every connection. Understanding how frac equipment works is what separates a helper from a senior operator.

Safety Certifications for Operators

Beyond the entry-level basics, operators are expected to hold H2S Alive or H2S Awareness, first aid/CPR, fall protection, confined space awareness, ground disturbance, and defensive driving. A CDL is strongly preferred for any field role. In Canada, WHMIS and TDG training and an Energy Safety Canada H2S Alive ticket are standard. Many employers also require IADC or well-control awareness and an OSHA 10 or 30 outreach card. Our oilfield safety basics guide covers the principles behind these tickets.

Salary Ranges: US vs. Canada

Pay varies by basin, company, and commodity prices. In the U.S., entry-level helpers commonly earn roughly $20 to $35 per hour, pump and blender operators $30 to $45+ per hour with overtime, wireline technicians $35 to $55+ per hour, and frac pumpers $80,000 to $150,000+ annually. In Canada's Montney and Duvernay (Alberta), equivalent roles are typically paid as hourly wages that annualize into similar ranges, with camps and per diem common in remote locations. Overtime during active periods can substantially increase total compensation in both countries.

Career Pathways and Advancement

The most common pathway runs from equipment operator / frac helper to pump or blender operator, then sand king or senior operator, to frac pumper (job supervisor), and eventually operations manager. Transferable skills also let operators move into wireline, coiled tubing, production, HSE, or equipment maintenance. The Society of Petroleum Engineers (SPE) and the American Petroleum Institute (API) offer standards and training that support long-term growth.

How to Find Frac Operator Jobs

Company Career Pages

Major oilfield service companies post open positions on their websites. These companies regularly hire for frac operations roles across multiple basins. Checking career pages frequently and applying directly is one of the most effective ways to find work.

Oilfield Job Boards

Job boards that specialize in oil and gas employment aggregate listings from multiple companies. These platforms allow candidates to search by role, location, and experience level. Setting up job alerts can help candidates respond quickly when new positions are posted.

Staffing and Recruiting Agencies

Staffing agencies that focus on energy sector employment can connect candidates with both temporary and permanent positions. Agencies often have relationships with multiple service companies and can help match workers with roles that fit their experience and location preferences.

Networking

The oilfield is a relationship-driven industry. Knowing people already working in frac operations can lead to job referrals and opportunities that are not publicly advertised. Attending industry events, joining online forums, and connecting with professionals on networking platforms can help build these connections.

Starting in Related Roles

For those with no prior oilfield experience, starting in a related role — such as pipeline construction, drilling rig work, or general labor for an oilfield services company — can provide the foundational experience and safety training that makes transitioning to frac operations easier.

Frequently Asked Questions

Do I need prior experience to get a frac operator job?

Entry-level frac positions such as frac helper or equipment operator typically do not require prior oilfield experience. Employers provide on-the-job training. However, having safety certifications (H2S, first aid), a CDL, or mechanical experience can make your application stand out.

What is the typical work schedule for a frac operator?

Frac operations often run around the clock. Field crews commonly work 12-hour shifts on a rotation schedule, such as 14 days on and 7 days off, though schedules vary by company. Operators should be prepared for long hours, overtime, and work in remote locations.

How much do frac operators earn?

Compensation varies by role, experience level, company, and market conditions. Entry-level helpers earn hourly wages, while skilled pump operators and supervisors can earn significantly more, often with overtime and bonus potential. Pay also fluctuates with industry activity levels.

Is frac operator work physically demanding?

Yes. The work involves long hours on your feet, lifting heavy equipment, climbing on trucks and tanks, and working outdoors in all weather conditions. Physical fitness and endurance are important for performing the job safely and effectively.

What is the career growth potential for frac operators?

The frac operations career path is well defined in most companies. Workers can advance from helper to pump operator, blender operator, frac pumper, and into supervisory or management roles. With additional education, some operators transition into engineering, training, or technical sales positions.

What certifications are required for frac operator positions?

H2S awareness and first aid/CPR are commonly required or preferred. A CDL is a significant advantage for any field role. Additional certifications like defensive driving, fall protection, and ground disturbance may be required depending on the company and specific role.

Can I choose which basin or location I work in?

Location assignment depends on company needs and your preferences. Many service companies operate in multiple basins and may offer some flexibility. However, during high-demand periods, companies may assign workers where they are needed most. Discuss location options during the hiring process.

What is the difference between a frac operator and a drilling rig worker?

Frac operators work on well completion and stimulation — pumping fluid and proppant to fracture the formation. Drilling rig workers drill the wellbore. The work environments, equipment, and skill sets differ. Some workers transition between drilling and completions, but each has its own specialized knowledge.

How long does it take to become a pump operator from entry level?

Most workers advance from equipment operator to pump operator in 1 to 3 years, depending on their aptitude, the company's advancement structure, and available opportunities. Workers who demonstrate strong mechanical skills, safety awareness, and reliability tend to advance faster.

What should I include on my resume for a frac operator position?

Include safety certifications (H2S, first aid, CDL), any mechanical or equipment operation experience, physical ability to perform the job, willingness to work rotating shifts and travel, and any oilfield experience. Emphasize reliability, safety record, and mechanical aptitude even if you lack direct frac experience.

Do frac operators get benefits?

Most full-time frac operators receive benefits including health insurance, dental, vision, life insurance, and a 401(k) retirement plan with company match. Benefits packages vary by company. Overtime pay and performance bonuses can significantly increase total compensation.

What is the most common reason frac operators leave the industry?

The most common reasons include the demanding schedule (long hours, time away from family), remote locations, physical demands, and lifestyle challenges. Workers who adapt to the schedule and enjoy the work environment tend to stay longer. Market downturns also cause involuntary separations.

Can I transition from frac operations to another oilfield role?

Yes, the skills and experience from frac operations are transferable to many oilfield roles. Common transitions include drilling, wireline, well testing, production operations, equipment maintenance, HSE, and technical sales. The mechanical aptitude, safety awareness, and operational knowledge gained in frac are highly valued across the industry.

What is the typical interview process for a frac operator?

The interview process typically includes an online application, phone screening, in-person or video interview, and possibly a practical skills assessment. Some companies also require a physical exam, drug screen, and background check. The process can take 1 to 4 weeks from application to offer.

Are frac operator positions available year-round?

Yes, frac operations run year-round. However, hiring is cyclical and tied to drilling activity levels. During busy periods, companies may hire aggressively. During downturns, hiring may slow or stop. The best time to apply is during active periods when companies are adding crews.

What is the work environment like on a frac site?

A frac site is an industrial environment with heavy equipment, high-pressure systems, chemicals, noise, and dust. It is outdoors with no climate control. The environment requires strict adherence to safety protocols, proper PPE use, and constant situational awareness. It can be challenging but also rewarding for those who enjoy hands-on, team-oriented work.

What are the most important tools a frac operator uses?

Operators rely on pressure gauges, rate indicators, fluid-end tools (wrenches, valve pullers), torque tools for iron, gas detectors, and radios. A good operator also uses their senses — sound and vibration — to spot problems before instruments do. Familiarity with the equipment is built through repetition.

What is the difference between a frac operator and a frac pumper?

A frac operator runs specific equipment — pumps, blenders, or sand systems. A frac pumper (job supervisor) oversees the entire pumping operation, makes real-time decisions on the schedule, and coordinates with the operator's company man. The pumper is the senior field role and requires years of experience across multiple positions.

How does the frac spread stay coordinated during a stage?

Coordination runs through the data van, where the field engineer monitors every parameter and relays adjustments to the pump and blender operators by radio. A disciplined radio protocol and a shared pumping schedule keep the crew synchronized so pressures, rates, and sand concentration match the design.

What does fluid-end maintenance involve?

Fluid-end maintenance means servicing the high-pressure section of a frac pump: removing and replacing suction and discharge valves, seats, plungers, packing, and wear plates between stages. It is dirty, precise work performed under time pressure, and it is one of the core skills of a pump operator.

What is the role of the sand king during a frac?

The sand king manages proppant logistics on location — coordinating trailer deliveries, running conveyors or pneumatic systems, and ensuring a continuous supply of sand to the blender. Running out of sand mid-stage can compromise the treatment, so the role demands constant awareness of inventory and the pumping schedule.

How is a frac operator's performance measured?

Supervisors track safety compliance, reliability, mechanical troubleshooting speed, communication, and how closely the job matches the designed schedule. A strong operator keeps their equipment running with minimal non-productive time (NPT) and a clean safety record.

What is non-productive time (NPT)?

NPT is any time during a frac when pumping is stopped for an unplanned reason — equipment failure, weather, or a logistics gap. Operators are evaluated on minimizing NPT because every stopped hour costs the operator and service company money.

Do frac operators need to understand the fluid system?

Yes, increasingly. Operators should know the difference between slickwater and crosslinked gel, what the friction reducer and other additives do, and why proppant concentration matters. Blender operators in particular control what goes downhole and must follow the fluid recipe precisely.

What organizations set standards frac operators work under?

The American Petroleum Institute (API) publishes equipment and wellhead standards (e.g., API 6A, 7K), SPE provides technical guidance, and regulators such as the AER in Alberta and state agencies in Texas or New Mexico oversee operations. Knowing the relevant standard helps operators work safely and compliantly.

What is a typical frac operator salary in Texas vs. North Dakota?

Rates are broadly similar across U.S. basins — helpers roughly $20 to $35/hr, pump operators $30 to $45+/hr, with overtime. The Permian (Texas/New Mexico) offers the most openings, while the Bakken (North Dakota) often adds cold-weather premiums. Housing and per diem differ by location.

How do Canadian frac operator requirements differ?

In Alberta's Montney and Duvernay, operators need H2S Alive (Energy Safety Canada), WHMIS, TDG, and often a valid first-aid ticket, plus fall protection and ground disturbance. The safety culture and certification framework are provincially regulated, with CAPP providing industry guidance.

What is a frac stack and why does the operator care?

The frac stack (a high-pressure Christmas tree) sits at the wellhead and contains the valves and connections that withstand pumping pressure. Operators must understand its pressure rating and keep clear of it during pumping, because a failure there is among the most dangerous events on a pad.

How do operators handle high-pressure iron safely?

Operators stay out of red zones during pumping, inspect iron before every shift for wear or thinning, verify pressure ratings match the job, and follow strict make-up torque procedures. A pinhole leak at 10,000+ psi can cause a serious injection injury, so inspection discipline is non-negotiable.

What is the difference between a frac operator and a wireline operator?

Frac (pump) operators run the pumping equipment; wireline operators run cable-deployed tools for perforating and plug setting between stages. They work in cycles around the pumping — frac pumps, wireline sets plug and perforates, frac pumps again. Both are essential to a plug-and-perf completion.

How do you prepare for a frac operator practical interview?

Expect to identify tools, explain a pump's fluid end, describe a pre-job inspection, and discuss how you'd respond to an abnormal pressure. Demonstrating calm, safety-first thinking and basic mechanical knowledge matters more than memorized facts. Review our equipment and terminology guides beforehand.

What is the busiest time of year for frac operators?

Activity follows commodity prices and drilling, but many operators find spring, fall, and winter busy — winter especially in the Bakken and Western Canadian basins where frozen ground supports heavy equipment. The Permian runs year-round. Flexibility on schedule is the biggest advantage.

Can a frac operator become a completion engineer?

It is less common but possible through further education. Many completion engineers start with petroleum or mechanical engineering degrees, but experienced operators who return to school or move into field engineering can transition into design roles over time.

What is distributed acoustic sensing (DAS) and do operators see it?

DAS uses fiber-optic cable to sense strain and sound along the well, giving engineers real-time feedback on fracture growth. Operators may not read the data directly, but the field engineer uses it to adjust the job, so understanding the concept helps operators grasp why a schedule changes mid-stage.

How important is a CDL for a frac operator?

Very. A CDL lets you move equipment between wells, which many companies require or strongly prefer. It also opens driving roles (water, sand, equipment transport) that are common entry points and can lead into the pumping crew.

What is produced water and flowback handling on a frac?

After pumping, fluid returns as flowback and later produced water. Operators may assist with monitoring return rates and supporting water transfer and recycling. Proper handling protects groundwater and meets EPA, state, and (offshore) BSEE requirements.

How do frac operators use real-time data?

Operators receive instruction from the data van based on real-time monitoring of pressure, rate, and proppant concentration. Pump operators adjust their units to hit targets; blender operators adjust sand and additive rates. The loop runs continuously during a stage.

What is the difference between a frac operator and a roustabout?

A roustabout works on a drilling rig doing general labor, while a frac operator works on a completion/stimulation crew running pumps and related equipment. The skills overlap, and many roustabouts move into frac, but the equipment and daily work differ significantly.

How do I know if a frac operator job posting is legitimate?

Look for a named company, clear duties, stated safety program, normal interview and background steps, and realistic pay. Vague duties, no safety mention, or pressure to pay upfront are red flags. Our guide on reading frac job descriptions covers this in detail.

What happens to equipment between frac jobs?

Between wells the spread rigs down, transports to the next pad, and the maintenance shop services pumps, rebuilds fluid ends, and inspects iron. Operators often help with rig-down and may spend off-hours in the yard supporting maintenance — a good time to learn the mechanics.

Is fracking the same as frac operating?

Colloquially yes — 'fracking' refers to hydraulic fracturing, and frac operators run the equipment that performs it. Technically, 'frac operating' describes the field role of running pumps, blenders, and sand systems during the stimulation of a well.

What is the best first certification to get for a frac operator job?

H2S Alive or H2S Awareness is the single most important, because virtually every site requires it. Pair it with first aid/CPR and an OSHA 10 card, then pursue a CDL. These four credentials make an entry-level application stand out.

Related Resources

This page provides general educational information from FracturingHub. It is not a substitute for professional training, engineering review, regulatory guidance, or site-specific safety instruction. Always confirm requirements with qualified professionals and follow local regulations, site procedures, and safety standards.

Engineering Assistant