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On Call Fluid Engineering Jobs (NOW HIRING)

Pbf Energy

Manager, Process Engineering

Martinez, CA

$121K - $216K/yr

... Fluid Catalytic Cracking, etc...). * Actively participate in refinery strategic optimization, cost ... Available in off hours and days to respond to refinery issues or emergencies, including on-call ...

PBF Energy, Inc.

Manager, Process Engineering

Martinez, CA · On-site

$121K - $216K/yr

... Fluid Catalytic Cracking, etc...). * Actively participate in refinery strategic optimization, cost ... Available in off hours and days to respond to refinery issues or emergencies, including on-call ...

Dover Corporation

Engineering Associate

Chicago, IL

... fueling, fluid handling and car wash system solutions for the safe and efficient handling and ... on-call technical support, and hands-on support of manufacturing * Learn and support process for ...

Dover Corporation

Engineering Associate

Chicago, IL · On-site

... fueling, fluid handling and car wash system solutions for the safe and efficient handling and ... on-call technical support, and hands-on support of manufacturing * Learn and support process for ...

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All JobsOn Call Fluid Engineering Jobs

On Call Fluid Engineering information

See salary details

$46.5K

$146.9K

$174K

How much do on call fluid engineering jobs pay per year?

As of Jun 8, 2026, the average yearly pay for on call fluid engineering in the United States is $146,868.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What is the difference between On Call Fluid Engineering vs Fluid Technician?

AspectOn Call Fluid EngineeringFluid Technician
CredentialsRelevant engineering certifications, technical degreesTechnical certifications, trade school or associate degree
Work EnvironmentField and plant sites, often on-call for emergenciesIndustrial facilities, maintenance and repair settings
Industry UsageOil & gas, manufacturing, chemical plantsRefineries, processing plants, industrial facilities

On Call Fluid Engineering and Fluid Technicians both work with fluid systems, but engineers focus on design, analysis, and troubleshooting, often requiring engineering degrees and certifications. Fluid Technicians handle maintenance, repairs, and operational tasks, typically with technical certifications. While both roles operate in industrial environments, engineers are more involved in planning and problem-solving, whereas technicians focus on hands-on tasks.

More about On Call Fluid Engineering jobs
What are the most commonly searched types of Fluid Engineering jobs? The most popular types of Fluid Engineering jobs are:
What job categories do people searching On Call Fluid Engineering jobs look for? The top searched job categories for On Call Fluid Engineering jobs are:
On Call Fluid Engineering jobs near you
Infographic showing various On Call Fluid Engineering job openings in the United States as of May 2026, with employment types broken down into 5% Internship, 11% As Needed, 42% Full Time, 26% Part Time, and 16% Contract. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $146,868 per year, or $70.6 per hour.
Senior Process Engineer

Senior Process Engineer

Commonwealth Fusion Systems

Devens, MA

$115K - $149K/yr

Full-time

Posted 3 days ago

Job description

About Commonwealth Fusion Systems: 

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.

Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers and suppliers to build the energy industry of the future. 

We’re in the best position to make it happen. Since 2018, we’ve raised nearly $3 billion in capital, making us the largest and leading private fusion company in the world.

Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team. 

If that’s you and this role fits, we want to hear from you.

Join the power movement as a Senior Process Engineer 
 
The SPARC Cryoplant (CRYP) team is responsible to deliver a large-scale helium cryogenics plant system on-time, on-budget, and meeting technical and performance requirements. The team is currently executing a fast-tracked install and commissioning to validate SPARC requirements prior to hand-off to Operations. Major equipment includes: 4 MW of compressor power, 500 m3 of helium gas storage, purification and oil removal systems, a 18-m cryogenic refrigeration coldbox with control valves, heat exchangers, pressure vessels, and turbomachinery, and a distributed control system. The team is looking for an experienced process engineer to support plant operations through commissioning, develop process safety and controls, and finalize process design documentation. Following commissioning and hand-off to Operations, the CRYP Process Engineer will transition to support development of future process system projects, including the ARC plant. Among other things, the Cryogenics team values: responsibility, proactiveness, prioritization, planning, critical thinking, a sense of urgency, growth mindset, accountability, communication, and collaboration.
What you'll do:
  • Learn the CRYO system ins-and-outs and become a SME for commissioning and operations
  • Perform thermal fluid system process design and analysis
  • Support plant operations through commissioning, including occasional shift work
  • Create 2D/3D design drawings and process schematics
  • Create valve, instrument, machinery, and equipment lists
  • Troubleshoot machinery, equipment, instrumentation, and controls
  • Develop CONOPs and HMIs for software and controls implementation
  • Prepare and execute operating, maintenance, and repair plans and procedures
  • Write specifications, RFIs/RFQs/RFPs, and manage procurements and build-outs
  • Develop interface and performance requirements and hardware specifications and selection
  • Design and fabricate hardware and equipment skids
  • Plan acceptance and performance tests and quality inspections
  • Coordinate contractor daily activities in the field and factory
What we're looking for:
  • Bachelor of Science in Mechanical, Chemical, or Process Engineering
  • Fluid system process engineering design
  • Hands-on commissioning / operation of mechanical / fluid systems
  • Thermal fluid system process, equipment, and component design
  • Compressible fluid hydraulic, heat and mass transfer, and pressure safety analysis
  • Specification and selection of mechanical and controls hardware
  • Procurement and vendor management
  • Safety hazards and PPE requirements for plant operations
  • Familiarity around pressurized systems, cryogenic fluids, and rotating machinery
  • Familiarity with electrical and controls diagnostic tools, including multimeter and HART communicator
  • Familiarity with precision tooling, alignments, torque specifications, welding specifications
  • Familiarity with ASME, ANSI, CGA, NFPA, IEEE, OSHA codes and standards
Bonus points for:
  • Specify, design, install, commission large-scale fluid cryogenic systems
  • Hands-on operation of compressible fluid systems with pressure vessels, process piping, pumps, valves, compressors, heat exchangers
  • Design, install, commission industrial-scale rotating machinery, e.g. compressors, pumps, and turbines
  • Repair and maintenance of industrial-scale process piping, pressure vessels, valves, and filtration systems.
  • Create and release CAD drawings for fabrication
  • Project management, including in a matrixed organization
Must-have requirements:
  • Ability to lift up to 50 lbs occasionally
  • Perform activities such as stooping, climbing, typing, standing and sitting for extended periods of time
  • Willingness to occasionally travel or work required nights/weekends/on-call; potential occasional travel to suppliers or contractors
  • Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
Salary range for this full-time position + equity + benefits. The actual salary will depend on level, location, qualifications, and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations. Benefits include:
•  Competitive compensation with equity
•  13 Company-wide Holidays
•  Flexible vacation days
•  10 sick days
•  Generous parental leave policy
•  Health, dental, and vision insurance
•  401(k) with employer matching
•  Professional growth opportunities
•  Team-building activities
#LI-Onsite

At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.

We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.