Lead and/or execute E3 activities to achieve and maintain broad knowledge of NASA Program and Projects architectures to enable the formulation of recommendations to NASA Program and Project Management with a focus on achieving an understood, balanced, consistent, and acceptable risk posture for Human Spaceflight Mission Directorate Missions, as well as other NASA missions. Serve as an executive consultant to NASA partners, including commercial entities and collaborating international governments, upon request by NASA Program-Level or NASA Project-level management. Chairing working groups, ad hoc teams, and TIMs as necessary Guide and mentor less experienced NASA E3 practitioners at MSFC and other NASA Centers to enable the experienced-based development of future Subject Matter Experts specializing in space systems Serve on Cross-cutting panels, working groups, and study teams with specialists and subject matter experts from related disciplines as necessary Skills Required This task requires scientists or engineers with electrical engineering and/or physics skills with an E3 background. Individuals working this sub-task shall meet the following minimum criteria: •             A bachelor’s degree in Electrical Engineering, Physics, or equivalent plus minimum 25 years of direct E3 experience in NASA Human Spaceflight missions •             Technical writing and presentation capabilities •             Familiarity with MIL-STD-461 and MIL-STD-464, NASA, Center, and other E3 and EMI specifications •             Familiarity with common computer operating systems and Microsoft Office software Qualifications: A degree in engineering from an ABET accredited university preferred, with the below years of required experience needed to qualify. Must be a US Citizen and have a STAR ID. • Ph.D., with minimum of 24 years of experience, • MS with at least 28 years of experience, or • BS with at least 30 years of experience Essential Functions Work Environment:  Office environment. Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co-workers, management, and client (100%). Requires travel in the domestic USA (5%).  Requires ability to work at a computer for long periods of time (100%). Physical Requirements: Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (80%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and our facilities (10%).   Equipment and Machines:  Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%). Attendance: Normal workday 7:30-4:30, Monday thru Friday.  Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity, and adequate arrangements for delegating duties during absences are required.  Other Essential Functions: The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others. Proof of U.S. Citizenship is required.  #ESSCA #ASED #Amentum Compensation Details: SME3 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: 08/17/2026 - 08/24/2026 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.