Hybrid Senior Mechanical Engineer

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About the role

  • Senior-Level Mechanical Engineer designing and overseeing HVAC and plumbing systems for Amentum's Oak Ridge Project. Leading technical teams with a focus on compliance and quality assurance.

Responsibilities

  • Lead and oversee the design of HVAC, plumbing, and piping systems, including B31.3 process piping
  • Serve as technical authority for mechanical system design within assigned project scope
  • Review, approve, and check engineering calculations, layouts, specifications, and drawings
  • Apply advanced engineering judgment to resolve complex design issues
  • Support project planning by assisting with: Scope definition, Equipment sizing, Schedule development, Budget control for mechanical design activities
  • Coordinate mechanical designs with structural, electrical, architectural, and process disciplines
  • Apply applicable codes, standards, and procedures (e.g., IMC, ASHRAE, NFPA, ASME)
  • Interface with clients and other stakeholders as a senior technical contributor
  • Provide senior-level support during procurement and construction phases, including review and resolve RFIs, submittals, and field issues
  • Mentor and guide engineers and designers on applicable codes, standards, and best practices
  • Ensure all work under your technical responsibility complies with Amentum’s engineering and quality procedures

Requirements

  • B.S. Mechanical Engineering from an ABET accredited engineering program
  • 15+ years in industrial/government design of Mechanical, HVAC, Plumbing Systems, and related mechanical building systems
  • Demonstrated experience delivering projects from concept through detailed design completion
  • Proven ability to lead teams of engineers and designers within budget and schedule constraints
  • Proficiency with discipline-specific tools such as: Carrier HAP, Trane TRACE, PipeFlo, AutoCAD, MicroStation, etc.
  • Thorough knowledge of applicable codes & standards (International Mechanical Code, NFPA, ASHRAE, etc.)
  • Professional Engineer (PE) license required

Benefits

  • 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

Job title

Senior Mechanical Engineer

Job type

Experience level

Senior

Salary

$120,000 - $170,000 per year

Degree requirement

Bachelor's Degree

Location requirements

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