Amentum

HLS GN&C Flight Simulation Engineer

Amentum$90K — $120K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Engineering or related field required
  • Experience in developing flight control systems for aerospace vehicles
  • Proficient in GN&C math models and 6-DOF simulations
  • Knowledgeable in Linux, C/C++, and Python
  • Skilled in dynamic systems modeling and analysis
  • Familiar with system identification techniques
  • Strong organizational and communication skills

Responsibilities

  • Develop guidance and flight control algorithms for lunar landers
  • Create formal documentation for math models and simulations
  • Identify and address simulation-related challenges within the team
  • Collaborate with NASA customers and contractors in technical discussions
  • Assist team members with simulation tasks
  • Perform additional duties as required

Benefits

  • Excellent personal and professional growth opportunities
  • 9/80 work schedule with every other Friday off (when applicable)
  • Onsite cafeteria offering breakfast and lunch options
  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits including 401(k) matching
  • Educational reimbursement
  • Parental leave policy
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance options
  • Pet insurance available
Full Job Description
This position will work with the NASA and JETS engineers to develop and maintain a 6-DOF Guidance, Navigation, and Control (GN&C) simulation in support of the NASA HLS Program and will focus primarily on the development of flight control system algorithms for both automated and piloted manual flight of lunar lander vehicles. This HLS simulation is being developed to assist in the design and development of a crewed digital manual control system, prototyping Displays and Controls, and assessment of human-in-the-loop handling qualities.

** We are actively searching for qualified candidates for this potential opening; however, we do not have assurance at this time when the position will be finalized and opened. Because we have strong reason to believe the position will be approved soon, we are proceeding with identifying qualified candidates and conducting interviews. **

The selected applicant will:
  • Provide math modeling and simulation development of guidance and flight control algorithms for automatic and piloted manual flight of lunar landers
  • Develop formal math model and simulation documentation
  • Identify team simulation tasks, resolve simulation related issues and assist team members.
  • Directly interact with the NASA customers, along with various NASA support contractors, during technical meetings and working groups.
  • Perform other duties as required


Requisition Qualifications:

This position has been posted at multiple levels. Depending on the candidate's experience, requirements, and business needs, we reserve the right to consider candidates at any level for which this position has been advertised.
  • Requires a bachelor's degree in Engineering with experience in the field or in a related area.
  • Experience in the development of flight control systems for aerospace vehicles
  • Experience developing, verifying, and validating GN&C math models and 6-DOF simulations
  • Experience with Linux, C/C++ and Python
  • Experience modeling and analyzing dynamic systems in the frequency domain.
  • Familiarity with system identification and building linear models from time-domain measurements.
  • Ability to organize and prioritize tasks in order to meet deadlines and schedules with limited supervision
  • Excellent communication and documentation skills and the ability to work in a team environment consisting of NASA civil servants and various contractor employees

Requisition Preferences:
  • MS in Aerospace Engineering with on a focus on GN&C and flight controls
  • Knowledge of GN&C principles with a background in flight dynamics/orbital mechanics
  • Knowledge in the design, analysis, and implementation of navigation algorithms
  • Experience contributing to large, multi-language simulation and architectures and ability to learn unfamiliar code bases.
  • Experience with GIT configuration control tool.

Why Join Our Team?

In addition to exciting career opportunities, we also have:
  • Excellent personal and professional career growth
  • 9/80 work schedule (every other Friday off), when applicable
  • Onsite cafeteria (breakfast & lunch)
  • Much, much more!

For more information on our partnership with NASA at Johnson Space Center (JSC), please visit www.wehavespaceforyou.com
  • Must be able to complete a U.S. government background investigation.
  • Management has the prerogative to select at any level for which the position is advertised.

Essential Functions

Work Environment

Generally, an office environment, but can involve inside or outside work depending on task.

Physical Requirements

Work may involve sitting or standing for extended periods (90% of time). May require lifting and carrying up to 25 lbs. (5% of time).

Equipment and Machines

Standard office equipment (PC, telephone, printer, etc.).

Attendance

Regular attendance in accordance with established work schedule is critical. Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements.

Other Essential Functions

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.

#JETS #JETSII

Compensation Details:
EN1-ESS

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:
06/25/2026 - 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.

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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