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Refinery Mass Balance Engineer Jobs (NOW HIRING)

Shimizu North America

Process Engineer

Atlanta, GA

... and mass balance. * Making block flow sheets * Summarize process utilities and capacities ... Explaining above input to engineering firms & vendors with RFQs. * Finding out risks and discussing ...

Shimizu North America

Process Engineer

Atlanta, GA · On-site

... and mass balance. * Making block flow sheets * Summarize process utilities and capacities ... Explaining above input to engineering firms & vendors with RFQs. * Finding out risks and discussing ...

Quanta Services

Process Engineer IV

Birmingham, AL

Lead process engineering scope across all project phases including: * Feasibility studies ... Perform site-wide heat and mass balance calculations to determine plant net power output and heat ...

Plainsman LLC

Process Engineer

Lubbock, TX · On-site

... refining, and meal production. This role focuses on maximizing oil yield, improving plant ... Conduct mass balance and heat balance calculations for processing equipment. * Adjust process ...

Plainsman LLC

Process Engineer

Lubbock, TX · On-site

... refining, and meal production. This role focuses on maximizing oil yield, improving plant ... Conduct mass balance and heat balance calculations for processing equipment. * Adjust process ...

calumet

Process Engineer

Shreveport, LA

... the refinery to ensure the following: * Conduct daily process unit monitoring and alarm ... Performs engineering calculations (i.e., mass balances, energy balances, conversion calculations ...

Delek US

Process Engineer

Big Spring, TX

Our refineries in Texas, Arkansas, and Louisiana have a combined crude capacity of 302,000 barrels ... Conducts daily performance monitoring including mass balance, energy consumption, yields and ...

Shimizu North America

Senior Process Engineer

Atlanta, GA

$100K - $129K/yr

... and mass balance. * Making block flow sheets * Summarize process utilities and capacities ... Explaining above input to engineering firms & vendors with RFQs. * Finding out risks and discussing ...

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All JobsRefinery Mass Balance Engineer Jobs

Refinery Mass Balance Engineer information

See salary details

$59.5K

$111.6K

$203K

How much do refinery mass balance engineer jobs pay per year?

As of Jun 10, 2026, the average yearly pay for refinery mass balance engineer in the United States is $111,632.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,500.00 and $132,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Refinery Mass Balance Engineer, and why are they important?

To thrive as a Refinery Mass Balance Engineer, you need a strong background in chemical engineering, process analysis, and data interpretation, typically complemented by a bachelor’s degree in chemical engineering or a related field. Familiarity with process simulation software (such as Aspen HYSYS or Honeywell UniSim), advanced Excel skills, and experience with refinery information management systems are important technical requirements. Strong analytical thinking, attention to detail, and effective communication help in troubleshooting discrepancies and collaborating with operations teams. These skills ensure accurate tracking of material flows, regulatory compliance, and optimization of refinery performance.

What is the difference between Refinery Mass Balance Engineer vs Process Engineer?

AspectRefinery Mass Balance EngineerProcess Engineer
CredentialsBachelor's in Chemical or Petroleum Engineering, certifications in process safety or process modelingBachelor's in Chemical or Mechanical Engineering, similar certifications often applicable
Work EnvironmentRefineries, petrochemical plants, focus on mass flow analysisVarious industries including refineries, manufacturing, focus on process optimization
Industry UsagePrimarily in oil & gas, refining, petrochemicalsBroader, including refining, chemicals, manufacturing

The Refinery Mass Balance Engineer specializes in analyzing and maintaining accurate mass balances within refineries, focusing on flow measurements and process efficiency. In contrast, the Process Engineer has a broader role in designing, optimizing, and troubleshooting processes across various industries. While both roles require chemical engineering knowledge, the Mass Balance Engineer's expertise is more specific to flow analysis and data accuracy within refining operations.

What are common challenges faced by Refinery Mass Balance Engineers and how are they typically addressed?

Refinery Mass Balance Engineers often encounter challenges such as data inconsistencies, equipment measurement errors, and fluctuating process conditions that can affect the accuracy of mass balance calculations. To address these issues, engineers collaborate closely with operations teams to validate data, implement reconciliation software, and perform regular audits of instrumentation. Continuous communication with process engineers and operators helps identify discrepancies quickly, ensuring process optimization and regulatory compliance. Maintaining detailed documentation and staying updated with industry best practices also play crucial roles in overcoming these challenges.

What are Refinery Mass Balance Engineers?

Refinery Mass Balance Engineers are professionals responsible for tracking and analyzing the flow of materials and energy within a refinery. They ensure that all inputs, outputs, and inventory changes are accurately accounted for, which helps optimize processes and maintain regulatory compliance. Their work involves using specialized software and data analysis to detect losses, improve efficiency, and support operational decision-making. Mass balance is crucial for identifying discrepancies, reducing waste, and ensuring the refinery operates safely and profitably.
Infographic showing various Refinery Mass Balance Engineer job openings in the United States as of June 2026, with employment types broken down into 87% Full Time, and 13% Part Time. Highlights an 100% In-person job distribution, with an average salary of $111,632 per year, or $53.7 per hour.
Lead Weight & Balance Engineer (Aviation)

Lead Weight & Balance Engineer (Aviation)

Electra

Manassas, VA • On-site

$102K - $135K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

Lead Weight & Balance Engineer (Aviation)
About Electra
At Electra, we're pioneering sustainable aviation by developing hybrid-electric Ultra Short Takeoff and Landing aircraft designed to transform regional air mobility, by making air travel more efficient, quieter, and environmentally friendly. Able to operate from soccer field-sized spaces, our Ultra Short unlocks a new era of aviation through what we call Direct Aviation - the next level of connectivity bringing air travel closer to where we live, work, and play. Headquartered in Northern Virginia, with additional locations in Switzerland, we're building a diverse team of global professionals passionate about redefining the future of aviation.
Job Description
Electra is seeking a Lead Weight & Balance Engineer to support the development of our EL9 Ultra Short aircraft. This is an incredible opportunity to make a direct impact on a cutting-edge development program.
Responsibilities & Essential Functions
  • Lead mass properties control and management execution across for the EL9 program.
  • Conduct advanced design weight estimation to develop preliminary weight estimates to support advanced design proposals, prototyping efforts, trade studies, etc.
  • Develop current and forecasted weight, balance, and mass properties data.
  • Perform estimation, calculation, and measurement/verification of mass, center of gravity, and inertias of components, assemblies and completed systems.
  • Develop mass properties processes and tools to be implemented across Electra.
  • Coordinate with SME's across the program to understand weight impacts of design decisions.
  • Support the development and presentation of weight status or technical data to design teams and program leadership.
  • Review and support detail and installation drawing release processes.
  • Work under minimal direction.
  • Excellent written/verbal communication skills and enjoys working in a team environment.

Required Qualifications
  • B.S. in STEM discipline
  • 5+ years of mass properties experience
  • Experience with applicable industry recommended mass properties practices
  • A strong work ethic and ability to independently execute the areas described by the responsibilities and essential functions.
  • Excellent organization and communication skills.
  • Other duties as assigned.

Desired Qualifications
  • Advanced degree preferred.
  • Experience with 3D solid modeling software applications (preferably NX) and product data management tools (TeamCenter).
  • Demonstrated knowledge of the Federal Aviation Regulations (FARs), certification procedures (especially Part 23), and relevant industry standards.
  • US Person Preferred.

Location: Corporate headquarters in Manassas, VA. This position requires an onsite presence.
Travel: <10%
Compensation and Benefits
In addition to offering an exciting work environment and the opportunity to be part of the team making Ultra Short flight a reality, at Electra, we offer an unparalleled total rewards package. Electra offers employees a comprehensive benefits package including medical, dental, vision, STD, LTD, and life insurance, generous PTO and sick leave, company holidays, paid winter break, and a 401(k) plan with immediate vesting. Life at Electra includes a variety of perks, such as free catered lunches, amazing coffee, snacks, drinks, fruit, free parking, and opportunities for much more.
Working Conditions
Work is typically performed in a warehouse/aviation and office environment, which requires proper safety precautions. Work may require some physical effort in handling light materials, boxes, power tools, prototypes, and different materials or equipment. Due to the nature of our business and projects, some fieldwork may be required, working in both indoor and outdoor conditions. You may need to lift up to 50 lbs.
Background & Drug Screening
Successful completion of a background check and/or drug screening prior to starting work may be required for this position.
Commitment
We are committed to fostering diversity and inclusivity, and we encourage individuals from all backgrounds, including those from marginalized or underrepresented groups in the tech industry and aerospace, to apply for our job openings. We firmly believe that a diverse range of perspectives can profoundly influence both our product and our company culture.
Electra is committed to a work environment that is inclusive to all and free of discrimination. It is our policy to be an equal opportunity employer without regard to race, color, religion, sex, age, national origin, disability, sexual orientation, gender identity or expression, genetic predisposition or carrier status, veteran status, citizenship status, or any other factors prohibited by law. Electra will provide reasonable accommodations for qualified individuals.
Electra is an E-Verify employer.

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