Senior-Level Mechanical Engineer (HybridRemote)
Oak Ridge, TN - USA
Job Summary
Senior-Level Mechanical Engineer (Hybrid/Remote)
Amentum is a global leader in advanced engineering and innovative solutions supporting critical missions across defense intelligence energy and civilian sectors. Our people are our competitive advantage driven by purpose collaboration and a commitment to delivering excellence for our customers and communities. We are currently seeking a Senior-Level Mechanical Engineer to support our Oak Ridge Project.
Description:
As a senior-level mechanical engineer you will serve as a technical leader responsible for the design coordination and delivery of building mechanical systems for industrial and government facilities. This role includes oversight of HVAC plumbing and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project lifecycle.
The successful candidate will work closely with project management discipline leads and clients to deliver fully coordinated codecompliant and highquality engineering solutions in accordance with Amentums established quality procedures.
Key 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 seniorlevel 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 Amentums engineering and quality procedures
Basic Qualifications:
- 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
Preferred Qualifications:
In addition to the Basic Qualifications the ideal candidate might also have:
- Prior nuclear DOE or highhazard facility design experience
- Experience working under a formal quality program (ISO 9001 NQA 1)
- Strong leadership communication and technical mentoring skills
- Demonstrated attention to detail and commitment to technical excellence
- Proficiency with Microsoft Office (Excel Word Outlook)
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 lbsoccasionally
- Vision correctable to 20/20
- Ability to read and use computeraided design software effectively
- Appropriate PPE and training will be provided as required
Compliance & Eligibility Requirements:
- U.S. Citizenship required (no dual citizenship)
- Valid drivers license is required
- Ability to obtain and maintain a security clearance
- Ability to passpre-employment background investigation and drug screening
- Willingness to work overtime or outside normal hours as needed
- Professional appearance appropriate for a customerfacing engineering environment
- Travel required: less than 10%
Compensation Details:
$120000 - $170000
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities education experience skills internal equity market data applicable collective bargaining agreements and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
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
Note: Benefits may vary based on employment type location and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA) the McNamara-OHara Service Contract Act (SCA) or other employment contracts may include different provisions/benefits.
Original Posting:
04/20/2026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
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. Learn more about your rights under Federal laws and supplemental language atLabor Laws Posters.
Required Experience:
Senior IC
About Company
AMENTUM has an immediate opening for a Logistics Operations Center Analyst II USC in Kuwait.Performs mission/resource analysis coordinates with supply, maintenance and transportation functional areas and ensures supporting requirements and implied tasks are accomplished to standard an ... View more