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Refinery Mass Balance Engineer Jobs (NOW HIRING)

Archer

Mass Properties Engineer

San Jose, CA · On-site

$170K - $215K/yr

As a Mass Properties Engineer, you'll be the backbone of our weight and balance programs-ensuring every gram counts as we push the boundaries of sustainable urban air mobility. This isn't a desk job.

Graymont Limited

Process Engineer

United States - Remote Process Engineer Full-Time, Permanent US (Hybrid) Graymont is seeking a ... and mass balances using tools such as pitot tubes, gas analyzers, and magnehelic gauges. • ...

Graymont Limited

Process Engineer

United States - Remote Process Engineer Full-Time, Permanent US (Hybrid) Graymont is seeking a ... and mass balances using tools such as pitot tubes, gas analyzers, and magnehelic gauges. • ...

Amerapex Corporation

Junior Engineer

Houston, TX · On-site

Understanding of engineering documentation, mass balance calculations, and process flow. Knowledge of pump systems, filtration, and chemical dosing processes. Proficiency in Microsoft Office (Word ...

Amerapex Corporation

Understanding of engineering documentation, mass balance calculations, and process flow. Knowledge of pump systems, filtration, and chemical dosing processes. Proficiency in Microsoft Office (Word ...

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Refinery Mass Balance Engineer information

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$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.

Process Engineer III

Quanta Power Solutions, LLC

Birmingham, AL

Other

Medical, Retirement, PTO

Posted 14 days ago

Job description

About Us

Quanta Power Solutions brings together the industry-leading capabilities and resources of Quanta's operating companies to deliver complete EPC solutions. Our integrated approach spans power generation, battery energy storage, renewables, transmission, substation, and underground infrastructure - from concept to commissioning, we execute complex power infrastructure projects with the speed, certainty, and operational excellence our customers depend on.

At Quanta Power Solutions, we are driven by a culture of safety, integrity, and disciplined execution - and we're building a team that shares that commitment.

About this Role

Quanta Power Solutions is seeking a highly motivated Process Engineer III to support the design and development of process systems for power generation projects including simple-cycle gas turbine installations, combined-cycle gas turbine power plants, and reciprocating engine facilities. This role supports all phases of EPC project execution, from conceptual and feasibility studies through detailed engineering, procurement support, startup, and commissioning.

The ideal candidate will bring strong process engineering expertise, experience supporting industrial or power generation facilities, and the ability to collaborate effectively across multidisciplinary EPC project teams.

What You'll Do

Project Execution

  • Lead or support process engineering activities across all project phases including:
    • Conceptual and feasibility studies
    • Detailed engineering design
    • Procurement support
    • Startup and commissioning support
  • Develop and maintain:
    • Process design basis documents
    • Equipment lists
    • Line lists
    • Tie-in schedules
  • Prepare and review equipment datasheets and technical specifications for procurement packages including:
    • Pumps
    • Vessels
    • Tanks
    • Heat exchangers
    • Blowers
    • Packaged systems such as water treatment, chemical feed, and instrument air systems
  • Track engineering deliverables and manage scope changes within the process discipline
  • Coordinate multidisciplinary engineering interfaces and collaborate with vendors, OEMs, and project stakeholders throughout project execution
  • Employee may be required to visit job sites, field offices, and customer locations

System Design

  • Design balance-of-plant systems including:
    • Demineralized water treatment systems (RO, CEDI, mixed bed)
    • Closed cooling water systems
    • Service water systems
    • Instrument and plant air systems
    • Chemical dosing systems
    • Wastewater handling systems
  • Specify and size:
    • Atmospheric tanks in accordance with API 650
    • Pressure vessels in accordance with ASME BPVC Section VIII
  • Evaluate material compatibility for plant chemicals including:
    • Aqueous ammonia
    • Sulfuric acid
    • Sodium hypochlorite
    • Other industrial process chemicals
  • Support specification and selection of fluid turbomachinery including centrifugal pumps and natural gas compressors
  • Support air permitting activities by developing emissions estimates for:
    • Gas turbines
    • Duct burners
    • Auxiliary boilers
    • Emergency engines
  • Coordinate with environmental consultants regarding:
    • SCR and CO catalyst guarantees
    • Ammonia slip limits
    • Continuous emissions monitoring requirements
  • Provide process engineering data for:
    • Noise studies
    • Wastewater discharge permitting
    • Secondary containment and drainage design

Drawings & Documentation

  • Create and maintain Process Flow Diagrams (PFDs) showing:
    • Major equipment
    • Flow paths
    • Heat and mass balance conditions
    • Key operating parameters
  • Develop and maintain Piping & Instrumentation Diagrams (P&IDs) from early studies through detailed design including:
    • Control schemes
    • Isolation philosophy
    • Relief device locations
    • Utility connections
    • Equipment tagging standards
  • Participate in HAZOP reviews, constructability reviews, and operability evaluations
  • Manage P&ID revisions and engineering redlines through successive design stages
  • Coordinate with instrumentation, piping, electrical, and structural disciplines to ensure consistency across engineering deliverables
What You'll Bring

Education, Certifications & Experience

  • Bachelor's or Master's degree in Chemical Engineering, Mechanical Engineering, Petroleum Engineering, or related discipline from an accredited university
  • Professional Engineer (PE) registration highly preferred or ability to obtain PE registration in project states
  • Minimum 4 years of relevant industrial experience in:
    • Chemical processing
    • Petroleum refining
    • Power generation
    • EPC process design engineering environments

Technical Skills & Competencies

  • Strong understanding of power generation systems including gas turbines and combined-cycle facilities
  • Familiarity with process simulation and hydraulic modeling software such as:
    • GT Pro
    • PIPE-FLO
  • Working knowledge of AutoCAD Plant 3D / P&ID preferred
  • Proficiency with Microsoft Office Suite including:
    • Word
    • Excel
    • PowerPoint
    • Outlook
  • Familiarity with industry engineering codes, standards, and best practices

Soft Skills

  • Strong communication, technical writing, and documentation skills
  • Ability to work independently and collaboratively within multidisciplinary teams
  • Strong organizational and problem-solving capabilities
What You'll Get
  • Competitive Compensation
  • Weekly Pay
  • 401(k) Retirement Plan
  • Holiday Pay
  • Paid Time Off (PTO)
  • Comprehensive Health Coverage
  • Pet Insurance
  • Employee Assistance Program (EAP)
  • Professional Development Opportunities
  • Tuition Assistance
  • Employee Discount Program
Equal Opportunity Employer

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law.We are an Equal Opportunity Employer, including disability and protected veteran status. We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company's Human Resources department.

Employment Type: OTHER

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