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
****
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 **** 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 secure, 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
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
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
Create a Job Alert
Interested in building your career at Atwell, LLC?
Get future opportunities sent straight to your email.
Accepted file types: pdf, doc, docx, txt, rtf
Enter manually
Accepted file types: pdf, doc, docx, txt, rtf
Education
School Select...
Degree * Select...
Select...




End date month Select...
End date year
Do you have a valid drivers license?
* Select...
Do you require government sponsorship to work legally in the United States, now or in the future?
* Select...
If offered employment, are you willing to participate in Atwell Family of Companies required pre-employment screening process?
* Select...
Are you related to an Atwell employee?
* Select...
If you said yes, you are related to an Atwell employee, please list who.
By selecting YES, I consent to receive recruiting SMS messages from Atwell, LLC at the phone number provided above.
* Select...
Selecting "no" will not eliminate you from consideration for this role.
Message frequency may vary.
Message and data rates may apply.
Reply HELP for help or STOP to opt-out.
Candidate Privacy Policy & Terms of Service
Voluntary Self-Identification
For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary.
Whatever your decision, it will not be considered in the hiringprocess or thereafter.
Any information that you do provide will be recorded and maintained in aconfidential file.
As set forth in Atwell, LLC's Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.
If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA.
Classification of protected categoriesis as follows:
A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.
A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.
An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order *****.
Select...
We use Greenhouse's AI-powered Talent Matching tool to compare your application against our job requirements.
#J-*****-Ljbffr

📌 Lead Mechanical Project Engineer – Oil & Gas Pipelines (Western Australia)
🏢 Atwell
📍 Western Australia