Senior Mechanical Engineer

About the role

Amentum is seeking a Senior Mechanical Engineer for a design-focused role in Houston, TX, spanning the full product lifecycle from concept development through hardware fabrication, installation and on-site operation. The team supports multiple US Navy research and development facilities involved in submarine weapon system programs. The position is contingent upon contract award.

Key responsibilities

• Lead mechanical design from concept through detailed design, fabrication support and on-site commissioning, and drive projects through the full lifecycle.
• Develop and review engineering drawings, models and specifications using CAD and solid modeling software, and perform structural analysis for strength, fatigue and safety.
• Design high-pressure air and hydraulic systems, including P&IDs, hydraulic schematics and pressure system design reviews (ASME, ANSI or program-specific).
• Lead and take part in design reviews (PDR, CDR, peer reviews) and evaluate design changes and engineering change orders.
• Work with vendors and fabricators, review submittals and material certifications, and coordinate factory acceptance testing and witness inspections.
• Support procurement by writing specifications, statements of work and technical evaluation criteria.
• Write and review technical reports, design memos, field reports and lessons learned, and maintain configuration control of design documents.

Required profile

• Bachelor's degree in Mechanical or Aerospace Engineering (or similar) from an ABET-accredited institution.
• Minimum 15 years of mechanical engineering experience covering design, analysis and project lifecycle management.
• Ability to obtain and maintain a U.S. government security clearance; U.S. citizenship is required.
• Preferred: experience with high-pressure air/hydraulic systems, aerospace/defense/shipboard/energy programs, leading design reviews, PE license or EIT certification, and mentoring junior engineers.

Required skills

• CAD and solid modeling software (SolidWorks, AutoCAD, Autodesk Inventor or similar)
• Structural analysis and reading and producing engineering drawings and specifications
• Excellent written and verbal communication

What we offer

• Estimated compensation of $140,000 - $170,000
• Health, dental and vision insurance, paid time off and holidays
• Retirement benefits including 401(k) matching, educational reimbursement, parental leave
• Employee stock purchase plan, disability and life insurance, pet insurance