Mid-Level Process Engineer (Hybrid/Remote), New York

Mid-Level Process Engineer As a mid-level process engineer, you will support the design, analysis, and documentation of nuclear and chemical process systems, working closely with multidisciplinary engineering teams during project development and execution of DOE and nuclear facility projects.
This role requires hands-on experience performing and formally documenting process engineering calculations, developing process equipment specifications, and supporting design activities in highly regulated nuclear environments.
Key Responsibilities Perform and document process engineering calculations in support of nuclear and chemical process systems
Support process design development during conceptual, preliminary, and detailed design phases
Develop and review Engineering calculations
Process flow diagrams (PFDs)
Piping and instrumentation diagrams (P&IDs)
Process equipment specifications and data sheets
Apply applicable nuclear, chemical, and safety requirements to process designs
Interface with mechanical, electrical, I&C, safety, and operations teams to ensure integrated design solutions
Support design reviews, technical evaluations, and configuration control activities
Prepare and maintain formal engineering documentation, calculations, and technical reports in accordance with quality and regulatory requirements
Provide technical support during procurement, construction, startup, or readiness activities as required
Mentor or provide technical guidance to junior engineers and designers when appropriate
Basic Qualifications B.S. Chemical Engineering from an ABET-accredited engineering program
5+ years in process engineering roles within industrial, nuclear, or government facilities
U.S. Citizenship required
Experience performing and documenting process engineering calculations
Familiarity with process equipment specification and system design
Experience working within regulated environments and structured engineering procedures
Preferred Qualifications 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 ****, NQA-1)
Experience serving in a project engineering or technical lead role
Experience coordinating 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
Work Environment 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
Physical Requirements Ability to sit or stand for extended periods
Ability to lift up to 35 lbs occasionally
Vision correctable to *****
Ability to read and use computer-aided design software effectively
Appropriate PPE and training will be provided as required
Compliance & Eligibility Requirements 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 normal hours as needed
Professional appearance appropriate for a customer-facing engineering environment
Travel required: less than 10%
Compensation Details $90,000 - $150,000
Benefits Overview 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
Equal Opportunity Employer Amentum is proud to be an Equal Opportunity Employer.
Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law.
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