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Mechanical Engineer - Oil and Gas

Atwell, LLC -
Atwell WA

Apply Now

Job Details

$90,000 - $145,000 a year
6 days ago

Benefits

Tuition reimbursement
Annual leave
Parental leave
Gym membership
Life insurance
Pet insurance

Qualifications

AutoCAD
Bluebeam
Mechanical design
Mechanical Engineering
Microsoft Office
Education
Bachelor's degree
Apache Pig
AI

Full Job Description

Who We Are

Atwell, LLC is a bold leader in the consulting, engineering, and construction services industry, delivering a broad range of creative solutions to clients in the real estate & land development, and energy markets. We have a strong national presence and a diverse, award-winning project portfolio. Atwell is a privately owned company, with 2,000+ passionate team members across 75+ locations and growing!

Atwell, LLC is a proud recipient of the following 2025 awards:

Ten consecutive years in a row as a “Best Place to Work” by Zweig Group (#11)
Recognized as #70 in the ENR Top 500 Design Firms, ranked in every region
Recognized in Crain's “Fast 50” as one of the fastest-growing companies (#14)
Recognized as the 2025 ENR Design Firm of the year for the Southeastern US

Position Snapshot

Atwell is hiring a mid-level Mechanical Project Engineer (PE) to support oil & natural gas, CO₂, hydrogen, and RNG pipeline and facility projects. This role focuses on mechanical design and project execution for large pipeline systems and facilities (meter stations, compressor stations, terminals, valve sites, pigging facilities). You’ll work from concept through construction/commissioning, coordinating across disciplines to deliver safe, compliant, and constructible solutions.

Essential Functions

Lead and support project teams on assigned tasks; provide technical guidance and implement client-requested design changes.
Interface with clients, EPCs, vendors, and regulators; communicate scope, progress, risks, and design decisions.
Coordinate with civil/structural/electrical/instrumentation/process teams to ensure integrated, constructible designs.
Mentor junior engineers/designers; contribute to mechanical best practices, standards, and QA/QC.
Travel to offices, vendor facilities, and jobsites as needed.

Education / Credentials

Bachelor’s degree in Mechanical Engineering (or related discipline).
Professional Engineer (PE) license required (or ability to obtain promptly per state requirements).

Day to Day

Serve as the mechanical engineering lead or key contributor for pipeline and facility projects, including:
- Meter & regulator (M&R) stations, valve sites, pig launcher/receiver sites
- Compressor stations and station tie-ins
- Terminals, pump stations, and related facility upgrades/expansions
Develop and own mechanical deliverables such as:
- Mechanical basis-of-design, design criteria, and equipment/system selections
- P&IDs, PFDs, line lists, and mechanical specifications (in coordination with process)
- Equipment data sheets and procurement packages (valves, meters, regulators, filters/separators, pumps, compressors packages interface, pigging components, heaters, coolers, heat exchangers)
- Piping isometrics, piping plans, tie-in packages, and installation details
Perform/oversee engineering calculations and technical evaluations, including:
- Pressure design and code compliance
- Relief device sizing / overpressure protection support and coordination
- Hydraulic/line sizing coordination, equipment sizing support, and operating case reviews
Support facility layout and integration:
- 3D model/design review participation as applicable; resolve clashes and support constructability
- Coordinate with structural/civil for foundation loads, pipe rack interfaces, and equipment anchorage

Preferred Tools & Experience

Strong experience with piping design, facility mechanical systems, and field execution support.
Familiarity with AutoCAD, Bluebeam, Microsoft Office; exposure to 3D tools (Plant 3D, CADWorx, AVEVA, or similar) is a plus.
Consulting/EPC experience and comfort working to owner/operator standards.
Experience supporting projects in operating facilities

Pay Range - $90,000 - $145,000 base + end of year bonus.

Disclaimer

While AI tools may support your application process, this role is built on human talent. Your judgment, experience, and character matter most, so we encourage you to showcase what makes you uniquely you.

Atwell does not accept unsolicited resumes from any 3rd party agencies. No fee will be paid to 3rd parties who submit unsolicited resumes to any Atwell employee. Resumes from approved vendors must be specifically requested by Atwell and approved by the Atwell Talent Acquisition Team.

#LI-TK1

Atwell Benefits: To attract and retain the best professionals in the industry, we aim to provide an excellent working environment and a progressive benefits program designed to support your personal and professional needs.

Work/Life:

Generous Paid Time Off
Paid Parental Leave
Flexible work schedules are available for some positions
Tenure Awards — Travel Vouchers to see the world based on your travel preferences

Compensation:

Competitive Compensation packages
Annual bonuses, spot bonuses and peer recognition awards
401K match - 1:1 up to 4% of compensation
Tuition Assistance
Student Loan Repayment
Paid Licensing / Certification Fees and Renewals
Financial Rewards for Obtaining Licensure
Employee Referrals
Annual Wellness Reimbursement for anything wellness related (Gym memberships, fitness tracker, home gym equipment, etc.)
Dependent Care Match

‘Atwell’ness:

Medical (BC/BS), Dental (Delta), and Vision (VSP)
Family Planning & IVF Benefits
Pet Insurance
Health Savings Account & Flex Spending Account options
Employer paid LTD, STD, and life insurance
Metlife Supplemental Benefits covering accident, hospitalization, and critical illness
Member Assistance Program (MAP) with complimentary counseling sessions, legal benefits, financial consultations, and work/life referral services

Apply Now

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