Amentum

Orion GN&C Engineer

Amentum$90K — $120K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Engineering or related field required
  • Extensive experience with MATLAB, including Simulink, Stateflow, and Autocode
  • Proficiency in C/C++ and Python programming languages
  • Deep knowledge of Guidance, Navigation, and Control (GN&C) systems
  • Experience in GN&C software development and software process improvement

Responsibilities

  • Develop and evaluate safety-critical flight software
  • Update Orion GN&C Flight Software using Matlab/Simulink/Autocode
  • Analyze and test flight software with Python & C/C++
  • Enhance flight software processes and procedures
  • Conduct deep-dive analyses of flight and simulation software
  • Perform additional tasks as required

Benefits

  • 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
Full Job Description

The Orion GN&C Engineer will: 

  • Develop and evaluate safety-critical flight software
  • Utilize Matlab/Simulink/Autocode skills to update Orion GN&C Flight Software
  • Utilize Python & C/C++ skills to analyze and test Orion GN&C Flight Software
  • Further, develop flight software processes and procedures
  • Perform deep-dive analyses of flight and simulation software
  • 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.

  • Typically requires a bachelor's degree in Engineering with experience in the field or in a related area

  • Significant experience with MATLAB including Simulink, Stateflow, and Autocode 
  • Proficiency with C/C++ and Python
  • Significant knowledge of GN&C 
  • Experience in the following flight software specialty areas:
    • GN&C software development
    • Software process and procedure development
    • Software Integration and Build Management
  • Excellent communication skills and the ability to work in a team environment consisting of NASA civil servants and various contractor employees

Requisition Preferences:

  • Requires a bachelor’s degree in engineering and a minimum of 5 years of experience in the field or in a related area
  • Significant experience with C, C++, and Python
  • Experience with TRICK/JEOD simulation architecture
  • Safety and flight-critical embedded software development
  • Object-oriented software development
  • Knowledgeable in source code control

Compensation Details:

EN1-EN3

       

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:

06/24/2026 - 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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