Systems Engineer with Security Clearance

Amentum Nuclear Projects business supports federal agencies, national laboratories, government-owned contractor-operated facilities, commercial nuclear organizations, and emerging energy technology developers. We routinely collaborate with specialists in process engineering, nuclear engineering, mechanical systems, electrical power systems, instrumentation and controls, civil and structural design, construction management, project controls, safety analysis, commissioning, and operations.

A unique aspect of Amentum is our participation in the management and operation of major DOE and NNSA sites across the United States through joint ventures and limited liability companies. Engineers can support ongoing operations, infrastructure modernization, facility upgrades, mission-critical systems, environmental programs, the NNSA weapons program, and new capital asset projects at some of the nation's most important nuclear and national security facilities.

We're looking for an experienced and collaborative project manager who thrives when people are in sync and projects are running not just on time but within budget. Based in Oak Ridge, TN, you'll be managing large and complex projects for clients from the commercial industries as well as federal agencies including the Department of Energy. As the Engineering Project Manager you will plan, direct, coordinate engineering for assigned design projects to ensure client goals or objectives are accomplished within prescribed time frame and funding parameters within nuclear operations and engineering.

The work will be performed in Oak Ridge, TN with potentially some travel. Join us and love what you do. Focus on tackling the toughest challenges with a smile as you support the development of life changing infrastructure that improves communities across the United States. If you're up for the challenge, we've been lo Qualifications - External

• This position requires a minimum of 8 years of design experience with increasing responsibility
• Must have strong verbal and written communications skills with the ability to communicate effectively at all levels both internally and within the client organization.
• PE license with ability to obtain a PE in Tennessee
• BS degree in a related engineering design field
• Experience in multi-discipline design projects
• Management of large interdisciplinary engineering teams
• USA Citizenship is required. No Dual citizens or visas for this role

Preferred Qualifications

• Ideal candidate would have 12-16 years of experience
• Demonstrated experience in successful cost, schedule and contract management of engineering design projects
• Q clearance or eligibility to obtain a "Q"
• NQA-1 experience
• Previous experience working with teaming subcontractors to produce a consolidate design
• Previous DOE Nuclear project experience
• Current or former US security clearance
• Master's in engineering preferred
• A person residing a commutable distance from our Oak Ridge, TN office Essential Functions Work Environment Equipment and Machines: Standard office PC, with software will be provided Building Information Management design software Attendance: On-Site Security training is mandatory before performing project duties.

Timely response to resolve issues is expected. Travel required - As needed OTHER ESSENTIAL FUNCTIONS U.S. Citizenship required. Valid driver's license is required. Must be able to work in a team atmosphere. Must put forward a professional behavior that enhances productivity and promotes teamwork and cooperation. Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others. Must take and pass a pre-employment drug and background check.

Compensation Details

$100,000 - $140,000 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-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting

10/13/2026 - Until Filled
Amentum 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 at Labor Laws Posters .