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Oilfield Chemical Engineer Jobs (NOW HIRING)

$125 - $150/hr

Must have renewable fuels or oil/gas background or closely related * Must have a Chemical Engineering degree/background * Must have 5+ years refinery or petrochemical engineering, procurement, and ...

Senior Chemical Eng. 1

Panama City, FL · On-site

$125 - $150/hr

Must have renewable fuels or oil/gas background or closely related * Must have a Chemical Engineering degree/background * Must have 5+ years refinery or petrochemical engineering, procurement, and ...

... phase oilfield services rather than solely FEED, EPC, engineering design, or office-based project management activities. * Experience coordinating multi-well chemical injection or stimulation ...

... phase oilfield services rather than solely FEED, EPC, engineering design, or office-based project management activities. * Experience coordinating multi-well chemical injection or stimulation ...

EOR Project Manager

Houston, TX · On-site

$150 - $200/hr

... phase oilfield services rather than solely FEED, EPC, engineering design, or office-based project management activities. * Experience coordinating multi-well chemical injection or stimulation ...

... phase oilfield services rather than solely FEED, EPC, engineering design, or office-based project management activities. * Experience coordinating multi-well chemical injection or stimulation ...

Showing results 41-60

Oilfield Chemical Engineer information

See salary details

$40K

$87.5K

$140K

How much do oilfield chemical engineer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for oilfield chemical engineer in the United States is $87,487.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,500.00 and $106,500.00 per year, depending on experience, location, and employer.

What does an oilfield chemical engineer do?

An Oilfield Chemical Engineer specializes in developing and applying chemical solutions to optimize oil and gas extraction processes. They design and oversee the use of chemicals that improve drilling efficiency, prevent equipment corrosion, and enhance oil recovery from reservoirs. These engineers also monitor chemical treatments to ensure safety, environmental compliance, and cost-effectiveness. Their work is crucial in maintaining production levels and extending the operational life of oilfields.

What are the key skills and qualifications needed to thrive as an oilfield chemical engineer?

To thrive as an Oilfield Chemical Engineer, you need a solid background in chemical engineering principles, experience with oil and gas production processes, and typically a bachelor's degree in chemical engineering or a related field. Familiarity with industry-specific software like Aspen HYSYS, laboratory analysis tools, and safety certifications such as HAZWOPER are commonly required. Strong problem-solving abilities, teamwork, and effective communication set outstanding candidates apart in this role. These skills and qualifications are essential for ensuring safe, efficient, and cost-effective chemical solutions in complex oilfield environments.

What are some common challenges oilfield chemical engineers face when working on-site, and how can they effectively address them?

Oilfield Chemical Engineers often encounter challenges such as harsh environmental conditions, equipment corrosion, and variability in reservoir chemistry. To address these, engineers must work closely with multidisciplinary teams—including geologists, production engineers, and field technicians—to monitor chemical treatments, troubleshoot issues, and adapt formulations as needed. Regular communication, thorough data analysis, and proactive maintenance strategies are key to ensuring both safety and optimal production performance.

What is the difference between Oilfield Chemical Engineer vs Petroleum Engineer?

AspectOilfield Chemical EngineerPetroleum Engineer
Required CredentialsBachelor's in Chemical Engineering, certifications in chemical safetyBachelor's in Petroleum Engineering, relevant industry certifications
Work EnvironmentField sites, chemical labs, production facilitiesDrilling sites, production facilities, office settings
Industry UsageFocus on chemical treatments, corrosion control, fluid propertiesFocus on reservoir management, drilling, production optimization

Oilfield Chemical Engineers primarily work with chemical treatments and fluid management in oilfield operations, while Petroleum Engineers focus on reservoir performance and drilling strategies. Both roles require related credentials and often operate in similar environments, but their core responsibilities differ significantly.

Can oilfield chemical engineers work in oil?

Oilfield chemical engineers work directly in the oil industry, focusing on developing and applying chemicals to enhance oil extraction, production, and processing. They often work on-site at drilling and production facilities, using specialized knowledge of chemistry, corrosion control, and flow assurance. Their role is essential for optimizing oilfield operations and ensuring equipment efficiency and safety.
More about Oilfield Chemical Engineer jobs
Infographic showing various Oilfield Chemical Engineer job openings in the United States as of August 2026, with employment types broken down into 93% Full Time, 3% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $87,487 per year, or $42.1 per hour.

AIC - Chemical Engineer Wastewater Treatment

Aquatech International LLC

Canonsburg, PA • On-site

Full-time

Re-posted 28 days ago


Job description

Summary:

Aquatech is a global leader in water purification systems technology for both industrial and infrastructure markets located in the United States and internationally. We support our clients with sustainable water purification systems and technologies that are solving the worlds water scarcity challenges.

Currently, Aquatech has an immediate need for a fulltime Applications Engineer I to work in our Canonsburg, PA office. The hours are Monday - Friday 8:00am to 5:00pm.The Applications Engineer I will report to the Director of Wastewater Treatment Applications and will perform the duties described in the job description below and will be considered an Exempt employee.

The ideal candidate will review and prepare Request For Proposals (RFPs) for water treatment and wastewater recycle treatment systems.

Job Description:

  • Review RFPs for wastewater treatment/recycle systems. 
  • Prepare appropriate responses in the form of proposal to RFPs, including developing Process Flow Diagrams (PFDs), Hydraulic Flow diagram (HFD), Piping & Instrumentation Diagrams (P&IDs) and General Arrangement (GA) drawings.
  • Coordinate with draftsperson in preparing above mentioned drawings.
  • Perform process calculations to properly size treatment processes and equipment.
  • Prepare technical clarifications and deviations to the RFP specifications both process and mechanical.
  • Develop inquiries and solicit quotations for sub-vendor(s) equipment and components to assemble the proposal with technical and cost details of a complete integrated system.
  • Develop cost estimate and budget for the proposed system.
  • Compile sections of the proposal comprising specific technical data and descriptions, performance guarantees, warranty and technical clarifications.
  • Assist sales manager in responding to customers’ technical queries.
  • Prepare a Turn Over Package for each successful proposal.
  • Develop and improve process calculations spreadsheets and technical documentation required for proposal preparation and subsequently for project execution.
  • Provide Process support during system commissioning/start-up to commissioning engineer and support troubleshooting technical issues.
  • Working in close collaboration with Applied Testing Laboratory at the office premises to develop and verify treatment process and performance guarantees, which may require benchtop testing and/or lab piloting.

Skill Requirements:

  • Prior experience in the preparation of proposals involving oil-water separation equipment, bar screens and grit chamber, conventional and advanced biological treatment processes (aerobic/anoxic/anaerobic activated sludge, fixed film, Moving Bed, Sequencing Batch reactor, Membrane Bioreactor) and sludge conditioning/dewatering equipment is required. Experience of designing wastewater recycle treatment systems comprising membrane filtration and reverse osmosis unit is desirable.  Knowledge and experience in wastewater treatment design for municipal, Hydrocarbon Processing Industry (HPI), steel, semiconductor & electronics, renewable fuels and other chemical industrial applications is required.
  • The candidate will be able to communicate effectively internally and with customers and maintain positive attitude and good organizational skills, plan and manage multiple tasks or projects, and apply common sense to carry out instructions furnished in written, oral or diagram form. Ability to use personal computer (MS office products) and internet at a high level of proficiency is MUST. Knowledge of proprietary software e.g. BioWin or equivalent for biological treatment process design, membrane filtration and reverse osmosis membrane is required.

Essential Functions:

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above and below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Physical Job Demands:

Exerting up to 10 pounds of force occasionally and/or negligible amount of force frequently or constantly to life, carry, push, pull or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, limited walking and standing.

Minimum Qualifications / Experience:  


Bachelors in Chemical/Environmental Engineering. 5 - 10 year experience in a similar job with duties defined above in industrial and infrstructure projects.