Human Landing System (HLS) Engineer- APS Systems (SME1)

Position Description

The Human Landing System (HLS) Engineer- APS Systems will work in a highly integrated team performing technical and integration activities to support APS system development and certification.

Responsibilities

• Follow and understand the HLS partner Systems Engineering approach to design, development, integration and test.
• Data analysis and anomaly resolution as needed.
• Review and provide assessments of HLS provider deliverables (such as milestone products, hazards, verifications, risks, and test reports).
• Support of the Human Lander program through technical insight by providing reviews and risk assessment and recommendations on NASA-partner engine systems and vehicle propulsion system design and development.
• Lead systems engineering efforts for thruster integration, coordinating across multidisciplinary teams to ensure propulsion system requirements, interface control, and verification objectives are met in support of mission success.
• Develop models and analysis tools, provide analytical documentation such as trade studies, hazards assessments, fault tolerance designs, certifications for flight, launch vehicle data reviews.
• Provide insight and recommendations for subsystem and in-space environment model fidelity.
• Evaluate performance of system models in ground and flight operations.
• Attend technical interchange, project planning, design review and other appropriate meetings to maintain a current knowledge base of design, requirements, issues, action items, and resolution activities.
• Perform system assessments, identify issues, pursue resolutions, document and present to engineering review board with rationale and recommendations.
• Evaluate vehicle changes for impacts to propulsion elements and vehicle integration.
• Verification and validation reviews for propulsion components, subsystems and integrated vehicle.
• Perform analysis and provide systems engineering skills to support various program engineering and integration.

Qualifications

• Degree in Engineering or related discipline required; Engineering degree from an ABET accredited university preferred.
• Typically, educational requirements are the equivalent of a minimum of a Masters with at least 18 years of experience, or BS with at least 20 years of experience.
• The selected candidate should also demonstrate:
  • Experience with liquid propulsion system design, analysis, integration or development/verification testing.
  • Experience with APS systems, including thrusters and RCS.
  • Experience with fluid/gas systems modeling.
  • Capability to plan and perform systems engineering and analysis tasks independently and as a team.
  • Proficiency with Microsoft Office products such as Power-Point, Excel, and Word.
  • Excellent written and verbal communication skills.
  • Highly motivated, flexible, and willing to shift focus areas to meet volatile customer requirements.

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%).
• Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%).
• Requires ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%).

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.
• Mandatory overtime may be required (10%) to meet schedule milestones and to support technical demands of the job.

Regular Attendance

• 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.

Compensation Details

SME1 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

• Health, dental, and vision insurance.
• Paid time off and holidays.
• Retail benefits (including 401(k) matching).
• Education reimbursement.
• Parental leave.
• Employee stock purchase plan.
• Tax-saving options.
• Disability and life insurance.
• Pet insurance.

Original Posting

Original Posting: 06/22/2026 - Until Filled

Amentum

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.

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. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.