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Refinery Mass Balance Engineer Jobs (NOW HIRING)

Delek US

Process Engineer

Big Spring, TX · On-site

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 ...

Delek US

Sr Process Engineer

Krotz Springs, LA · On-site

$84K - $108K/yr

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 ...

MacDonald Search Group

Process Engineer - USA

Seattle, WA · Hybrid

$95K - $130K/yr

Process Engineer MacDonald Search Group has been asked by our industrial manufacturing / building ... Perform heat and mass balance analyses to improve process performance and efficiency * Support ...

Shimizu North America

Senior Process Engineer

Atlanta, GA · On-site

$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 ...

Delek US

Sr Process Engineer

Krotz Springs, LA · On-site

$84K - $108K/yr

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 ...

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.

Ketjen

FCC Technical Excellence Engineer

Houston, TX · On-site

... petrochemical, refining, and specialty chemicals industries. Together, we can create a legacy ... Provide expert technical input into FCC performance models, mass balance tools, kinetic models, and ...

Ketjen

FCC Technical Excellence Engineer

Houston, TX · On-site

... petrochemical, refining, and specialty chemicals industries. Together, we can create a legacy ... Provide expert technical input into FCC performance models, mass balance tools, kinetic models, and ...

Zachry Group

Sr Engineer Process

Houston, TX

$100K - $130K/yr

... Refining, Gas Processing, Power, or Chemical industries; 7+ years working in Power, refining/gas ... Responsible for developing Heat and Mass Balance * Responsible for sizing and rating various ...

Zachry Group

Sr Engineer Process

Houston, TX · On-site

$100K - $130K/yr

Responsible for developing Heat and Mass Balance * Responsible for sizing and rating various ... Refining, Gas Processing, Power, or Chemical industries; 7+ years working in Power, refining/gas ...

Quanta Services

Process Engineer III

Birmingham, AL · On-site

Heat and mass balance conditions * Key operating parameters * Develop and maintain Piping ... Petroleum refining * Power generation * EPC process design engineering environments Technical ...

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Refinery Mass Balance Engineer information

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$59.5K

$111.6K

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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

Process Engineer

Delek US

Big Spring, TX • On-site

Full-time

Medical, Retirement

Posted 19 days ago

Job description

Are you looking for a career in a dynamic and innovative company that values versatility, growth, and teamwork? Look no further than Delek US Holdings!
WHAT IS DELEK? WHAT DO WE DO?
We are a boutique-sized diversified downstream energy company with a range of assets, including petroleum refining and logistics.
  • Our refineries in Texas, Arkansas, and Louisiana have a combined crude capacity of 302,000 barrels per day
  • Our logistics business currently owns and operates 720 miles of crude and product pipelines, a 600-mile crude oil gathering system, and storage tanks and terminals.

DELEK BENEFITS:
We offer fantastic benefits that include up to a 10% match on 401K on your hire start, with a vesting timeline of only one year, along with medical benefits that start on day onewith a 30% premium rebate annually! We value your well-being and all employees now have access to the Calm app for FREE, which is used for meditation, stress management, and better sleep. Through our performance management program, you can earn additional annual incentives as you set and achieve goals. Our pay for performance culture motivates our employees to improve Delek's year-over-year company, business unit, and individual results. With some of the highest bonus payouts in recent years, we know that our success is due to our talented and dedicated team. We are looking for individuals like you to help us continue this momentum and bring new ideas to the table. At Delek, you will have the opportunity to make an impact and grow your career in a supportive and innovative environment.
JOB SUMMARY
The process engineer uses understanding of process fundamentals, process equipment, refinery practices, and specific technologies to ensure safe, environmentally friendly, reliable, and optimal refinery operation while coordinating and influencing the achievement of these objectives utilizing data driven critical thinking.
EDUCATION AND EXPERIENCE
  • 4 year / Bachelor's Degree (Required)
  • In lieu of the above education requirements, an equivalent combination of education and experience may be considered.
  • Two (2) or more years Process engineering experience or equivalent ability in refining industry required (Required)
  • No Licensure or Certification Required.

JOB REQUIREMENTS
  • Process Engineering
  • Fixed Equipment Operation
  • Metallurgy
  • Refining Processes Operation
  • Unit Management
  • Environmental LimitsRefinery Economics
  • Personal Safety
  • Situational Awareness / ReportingProcess Safety
  • Project / Turnaround Engagement
  • Relationship Management
  • Communication
  • Influencing
  • Critical Thinking
  • Physical ability to work on and around industrial equipment, including climbing of stairs, ladders and in confined spaces, Ability to wear Personal Protective Equipment (PPE) in designated areas (hard hat, safety glasses, gloves, boots, hearing protection, respirator)
  • Provides troubleshooting and optimization assistance for operations on assigned unit(s)
  • Conducts daily performance monitoring including mass balance, energy consumption, yields and "process unit health" performance indicators
  • Generates, analyzes, interprets, and disseminates performance indicators and unit operations data for assigned units
  • Evaluates catalyst usage and performance
  • Assists senior engineers with data collection and analysis for identification of short- and long-term process changes to improve unit(s) profitability and optimize efficiency
  • Conducts process operations analysis and economic evaluation using simulation software
  • Participates in the evaluation of equipment design and process development to compromise between process requirements, economics, operator effectiveness and environment/safety objectives
  • Participates in operator process training classes, Management of Change (MOC) development, process hazard analysis (PHAs) and piping and instrumentation diagram/drawing (P&ID) verification
  • Develops and maintains critical cross-functional relationships (i.e., refinery economics, operations, lab, maintenance, etc.) to optimize unit performance to constraints
  • Employs industry best practices and standards to compare actual operation to the intended process design with advantages and disadvantages
  • While this job description aims to provide a comprehensive overview of the role, it may not detail every task or responsibility required.

CORE COMPETENCIES
CHANGE AGILITY (LEVEL 2 SUPPORTING):
Identifies, initiates, and adapts to organizational changes that foster enhanced effectiveness, efficiency, safety, and ultimately business results.
COLLABORATION (LEVEL 2 SUPPORTING):
Sees connection points across the organization and partners effectively with others to achieve common goals.
DECISION MAKING (LEVEL 2 SUPPORTING):
Selects a course of action to reduce risk and uncertainty and create optimal outcomes.
DRIVE FOR RESULTS (LEVEL 2 SUPPORTING):
Drives to achieve challenging performance objectives.
TEAM BUILDING (LEVEL 2 SUPPORTING):
Builds trust, fosters openness, and provides support. As the manager of a team, selects and motivates a strong team.
We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or national origin, disability status, protected veteran status, or any other characteristic protected by law. Equal Opportunity Employer/Disabled/Veterans.
BECOME PART OF THE ENERGY
It's an exciting time to join Delek. We're on a mission to attract, retain, and engage the best and brightest talent - those who are great team players and leaders who make it their first priority to serve.
  • We are performance driven
  • We value a passion for excellence
  • We value teamwork
  • We value and reward hard work and dedication

Delek US offers the opportunity to provide you with more than a job - we want to help you build a career.
Since our inception, our ability to hire the right people for the job has served us well, resulting in an impressive record of consistent growth and profitability. With more than 3,500 employees in nine states, we have brought together a diverse team of professionals passionate about investing their time and expertise in one of the most dynamic downstream energy companies in the market today.
Welcome to Delek US Holdings

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