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Per Diem Capital Project Engineer Jobs (NOW HIRING)

jbs

CAPITAL PROJECT MANAGER

Greeley, CO · On-site

$180K - $200K/yr

The Capital Project Manager will report to the Head of Engineering & Environmental and will support the business across 12 sites located throughout the country. Our ideal candidate will live and work ...

JBS USA

CAPITAL PROJECT MANAGER

Greeley, CO · On-site +1

$180K - $200K/yr

The Capital Project Manager will report to the Head of Engineering & Environmental and will support the business across 12 sites located throughout the country. Our ideal candidate will live and work ...

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All JobsPer Diem Capital Project Engineer Jobs

Per Diem Capital Project Engineer information

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$59.5K

$103.3K

$165K

How much do per diem capital project engineer jobs pay per year?

As of Jun 8, 2026, the average yearly pay for per diem capital project engineer in the United States is $103,262.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,000.00 and $120,000.00 per year, depending on experience, location, and employer.

What is the difference between Per Diem Capital Project Engineer vs Construction Project Engineer?

AspectPer Diem Capital Project EngineerConstruction Project Engineer
CredentialsBachelor's in Engineering, relevant certifications often preferredBachelor's in Engineering or Construction Management, certifications optional
Work EnvironmentOn-site and office, often temporary or short-term assignmentsOn-site at construction sites, involved throughout project duration
Employer & Industry UsageEngineering firms, project owners, often in energy or infrastructure projectsConstruction companies, general contractors, infrastructure projects

Per Diem Capital Project Engineers typically work on short-term, temporary assignments, often with a focus on planning and oversight, while Construction Project Engineers are involved throughout the construction process, managing daily operations on-site. Both roles require similar technical credentials but differ mainly in duration and scope of work.

More about Per Diem Capital Project Engineer jobs
What cities are hiring for Per Diem Capital Project Engineer jobs? Cities with the most Per Diem Capital Project Engineer job openings:
What are the most commonly searched types of Capital Project Engineer jobs? The most popular types of Capital Project Engineer jobs are:
What states have the most Per Diem Capital Project Engineer jobs? States with the most job openings for Per Diem Capital Project Engineer jobs include:
What job categories do people searching Per Diem Capital Project Engineer jobs look for? The top searched job categories for Per Diem Capital Project Engineer jobs are:
Per Diem Capital Project Engineer jobs near you
Infographic showing various Per Diem Capital Project Engineer job openings in the United States as of May 2026, with employment types broken down into 78% Full Time, 14% Part Time, 4% Contract, and 4% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $103,262 per year, or $49.6 per hour.

Refinery Project Engineer

Innovation Consulting

Las Vegas, NV

$55 - $80/hr

Per diem

Posted 2 days ago

Job description

Refinery Project Engineer


Type: W2 Contract or C2C — Innovation Consulting LLC

Location: Bakersfield, CA (Onsite)

Rate: $55–$80/hr DOE

Duration: 2–3 month initial engagement; strong potential for continuation

Schedule: 40 hours/week, Monday–Friday

Openings: 1–2 positions


About the Role

We are partnered with a nationwide engineering and project management firm to place one to two Refinery Project Engineers on assignment in Bakersfield, CA. This onsite role embeds with the firm’s project team at a petroleum refining facility, supporting front-end loading (FEL-1) capital project development across a defined scope of small capital and sustaining CAPEX projects. The scope is well-defined and the team is established.

W2 and corp-to-corp (C2C) arrangements are both available for this engagement. Successful candidates will be employed by Innovation Consulting LLC and placed on assignment with our client.

Local candidates are strongly preferred. Candidates located outside commutable distance to the site must be willing to relocate to the Bakersfield metro area for the duration of the assignment. Per diem is not available for this role.

Interviews are active — apply now for immediate consideration.


Key Responsibilities

Engineering & Project Development

•     Support project scoping across multiple refinery disciplines including mechanical, piping, civil, electrical, instrumentation, and process

•     Develop FEL-1 level cost estimates and associated basis documentation for assigned capital projects

•     Build and maintain project schedules aligned with evolving scope maturity

•     Review, interpret, and work from P&IDs, plot plans, and basic engineering documents

Coordination & Delivery

•     Coordinate with facility Project Engineers, Operations, Maintenance, and Technical Services

•     Assemble complete FEL-1 project packages including defined scope, assumptions, risks, and deliverables


Qualifications

Required

•     3+ years of experience scoping refinery, petrochemical, or industrial capital projects

•     Strong working knowledge of P&IDs and refinery/plant systems

•     Hands-on experience with early-phase capital project development (FEL-1 or equivalent front-end loading methodology)

•     Demonstrated ability to coordinate across multiple engineering disciplines and plant functions

•     Onsite availability for the full duration of the assignment; must be able to report onsite daily

Preferred

•     Bachelor’s degree in Engineering (Mechanical, Chemical, Civil, or related discipline)

•     Professional Engineer (PE) license

•     PMP or equivalent project management certification

•     Proficiency in project scheduling tools (Primavera P6, MS Project, or equivalent)

•     Brownfield CAPEX or turnaround experience in a refinery environment

•     Familiarity with refinery safety programs and work permitting processes


Compensation & Employment

Employment Type: W2 employee of Innovation Consulting LLC, placed on assignment with our client; C2C arrangements considered for qualified candidates

Rate: $55–$80/hr DOE; commensurate with experience and qualifications

Duration: 2–3 month initial engagement; strong potential for continuation

Schedule: 40 hours/week, Monday–Friday

Benefits: Payroll processing, compliance administration, and benefits through Innovation Consulting LLC


Innovation Consulting LLC is an equal opportunity employer and recruiter. We review candidates without regard to race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected characteristic.