Senior-Level Process Engineer (Hybrid/Remote)

Amentum•Oak Ridge, TN

6h•Hybrid

About The Position

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.

Requirements

B.S. Chemical Engineering from an ABET accredited engineering program
15+ years in 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

Nice To Haves

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

Responsibilities

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