Mechanical Process Engineer

Amentum

. Design process and mechanical systems, including high-pressure cryogenic and pneumatic piping systems .

Posted 10/16/2026full-timeUnited StatesMid-LevelSenior💰 $100,000 - $115,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing mechanical systems, including high-pressure cryogenic and pneumatic piping systems, while effectively managing project scope, schedules, and budgets. Proficient in collaborating within multi-discipline teams and producing technical reports and specifications for process systems in automotive and aerospace sectors.

Highest-signal resume keywords

Mechanical Engineering DesignProcess Piping SystemsProject ManagementASME Code KnowledgeAutoCAD Proficiency

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Mechanical System DesignProcess EngineeringEngineering CalculationsFluid Flow AnalysisThermodynamicsPiping System SpecificationHVAC System DesignTechnical Report DevelopmentField TestingProcess Drawing Development

Soft Skills

Communication SkillsProblem-Solving SkillsOrganizational SkillsTeamworkEthical Standards

Tools & Technologies

AutoCADAutoPipeCaesar IIMathcadCreoAFT

Certifications & Qualifications

PE LicenseFE/EIT Certification

Industry Keywords

AutomotiveAerospaceDOE NuclearDoDNASATest FacilityHigh-Pressure SystemsCryogenic SystemsHVAC SystemsProcess Systems

About the role

Key responsibilities & impact

Design process and mechanical systems, including high-pressure cryogenic and pneumatic piping systems
Design high-temperature steam systems, refrigeration, vacuum, fuel, and specialty HVAC systems
Size and specify piping, ducting, compressors, pumps, fans, valves, flow measurement, and fluid conditioning equipment
Create engineering calculations and specifications and oversee engineering drawings
Gather information, interview stakeholders, conduct studies and calculations, and prepare layouts and sketches
Analyze work features and review task results for completeness, accuracy, and documentation
Plan, schedule, conduct, and coordinate engineering work under the direction of a Senior Engineer
Provide installation support and supervision with suppliers, subcontractors, and other trades
Collaborate with structural, machine design, controls and instrumentation, and aerodynamics/fluid dynamics engineers
Lead and contribute to project teams developing process systems for automotive and aerospace research and test facilities
Own assigned technical schedules, budgets, and quality standards
Support the Project Manager and Senior Engineer with design efforts
Develop technical reports and presentations for project management and clients
Participate in internal and external meetings and design reviews
Participate in proposal development and support marketing activities
Provide field, factory acceptance testing, construction, startup, and commissioning support as required

Requirements

What you’ll need

US citizenship is required
Bachelor of Science in Mechanical, Aerospace, or a related engineering field from an ABET-accredited program
Minimum of 5 years of engineering experience, or 2–3 years of engineering experience with a Master of Science degree from an accredited engineering school
Ability to work in a multi-discipline team environment
Demonstrated knowledge and experience with common process piping systems
Strong mechanical and process engineering analytical skills
Excellent oral and written communication, technical problem-solving, and organizational skills
High ethical standards and commitment to self-development, teamwork, and desire to work
Experience managing project scope, schedules, and budgets
Design experience, including layout and development of process drawings and specifications
Knowledge of ASME B31.1, ASME B31.3, and ASME B&PV Code
Knowledge of thermodynamics, compressible and incompressible fluid flow, thermal sciences, and process systems
PE license or FE/EIT certification preferred
Prior process systems design experience preferred
Experience designing and/or maintaining mechanical process systems preferred
Experience with AutoCAD, AutoPipe, Caesar II, Mathcad, Creo, and AFT preferred
Previous DOE nuclear, DoD, NASA, or test facility experience preferred

Benefits

Comp & perks

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits, including 401(k) matching
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance