Senior-Level Process Engineer; Hybrid​/Remote

Senior-Level Process Engineer (Hybrid/Remote)

As a senior-level process engineer, you will provide senior level technical leadership in the design, analysis, and documentation of nuclear and chemical process systems, supporting projects from conceptual development through detailed design and execution of DOE and nuclear facility projects.

The Senior Process Engineer serves as a technical authority for process systems, performs and approves complex engineering calculations, develops process and equipment specifications, and ensures compliance with applicable nuclear, safety, and quality requirements.

As a senior-level process engineer, you will provide senior technical leadership in the design, analysis, and documentation of nuclear and chemical process systems, supporting projects from concept through detailed design and execution of DOE and nuclear facility projects.

• Lead and independently execute process engineering design activities for nuclear and chemical process systems
• Perform, review, and approve complex process engineering calculations
• Develop and review:
  • Engineering calculations
  • Process flow diagrams (PFDs)
  • Piping and instrumentation diagrams (P&IDs)
  • Process equipment specifications and data sheets
  • Technical reports and formal design documentation
• Apply engineering judgment to resolve complex technical and regulatory issues
• Ensure process designs comply with applicable DOE requirements, nuclear safety expectations, and quality procedures
• Support design reviews, readiness activities, and technical evaluations
• Interface with safety, operations, mechanical, electrical, and I&C disciplines to ensure fully integrated solutions
• Serve as a technical lead or subject matter expert (SME) within multidisciplinary project teams
• Provide technical direction and mentoring to junior engineers and designers
• Support project planning, scope development, and execution strategies
• Interface directly with clients, project management, and stakeholders as a senior technical contributor
• Support procurement, construction, startup, and operational readiness activities as required
• Review vendor submittals and technical documentation
• Support troubleshooting, design changes, and configuration control processes

• B.S. Chemical Engineering from an ABET accredited engineering program
• 15+ years in process engineering roles within industrial, nuclear, or government facilities; U.S. Citizenship required
• Demonstrated experience performing and approving formal process engineering calculations
• Strong background in process system and equipment specification
• Experience working within regulated environments and structured engineering procedures
• Professional Engineer (PE) license, required

• Prior nuclear, DOE, or high‑hazard facility design experience
• Experience with nuclear material or uranium processing systems
• Experience working under a formal quality program (ISO 9001, NQA
  1)
• Experience managing or reviewing the work of other engineers or designers
• Professional Engineer (PE) license, or ability to obtain
• Strong analytical, problem‑solving, and communication skills
• Master’s degree in Engineering from an ABET‑accredited institution
• Self‑motivated, detail‑oriented, and team‑focused professional

• Primarily office-based work in a secure engineering environment
• Amentum office location is preferred; hybrid or remote work may be available by prior agreement based on role and project requirements
• Occasional exposure to industrial facilities, which may include elevated noise levels, hazardous materials, or controlled areas
• Site visits may be required

• Ability to sit or stand for extended periods
• Ability to lift up to 35 lbs occasionally
• Vision correctable to 20/20
• Ability to read and use computer‑aided design software effectively
• Appropriate PPE and training will be provided as required

• U.S. Citizenship required (no dual citizenship)
• Valid driver's license is required
• Ability to obtain and maintain a security clearance
• Ability to pass pre‑employment background investigation and drug screening
• Willingness to work overtime or outside…