Amentum

GN&C Engineer

Amentum • $100K — $120K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Engineering or related field
  • Significant knowledge of GN&C
  • Experience with 6 DOF algorithms and simulations
  • Proficiency in C/C++ and Python
  • Familiarity with validation and verification of GN&C algorithms
  • Excellent communication and teamwork skills

Responsibilities

  • Develop and evaluate safety-critical flight software
  • Integrate and test GN&C algorithms
  • Update GN&C Flight Software using MATLAB/Simulink/Autocode
  • Analyze and test GN&C Flight Software with Python & C/C++
  • Validate and verify GN&C algorithms and requirements
  • Recommend improvements for flight software processes
  • Conduct deep-dive analyses of flight and simulation software

Benefits

  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits with 401(k) matching
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance
Full Job Description

We have an exciting opportunity for a GN&C Engineer to join the team with ERC, a teammate company!

The GN&C Engineer will:

  • Develop and evaluate safety-critical flight software
  • Develop, integrate, and test GN&C algorithms
  • Utilize MATLAB/Simulink/Autocode skills to update GN&C Flight Software
  • Utilize Python & C/C++ skills to analyze and test GN&C Flight Software
  • Validate and Verify GN&C algorithms and requirements
  • Provide recommendations for improvements of flight software, its 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 knowledge of GN&C
  • Experience with development and analysis of 6 DOF algorithms and simulations
  • Proficiency with C/C++ and Python
  • Familiarity with validation and verification of GN&C algorithms and requirements
  • Excellent communication skills and the ability to work in a team environment consisting of NASA civil servants and various contractor employees

Requisition Preferences:

  • Master’s degree in engineering and 3 years or more of experience in the field or in a related area; or a PhD. in engineering or in a related field
  • Significant experience with C, C++, and Python
  • Significant experience with MATLAB including Simulink, Stateflow, and Autocode
  • Safety and flight-critical embedded software development
  • Experience with source code control and continuous integration
  • Agile software development
  • Experience in the following flight software specialty areas:
    • GN&C software development
    • Software process and procedure development
    • Software Integration and Build Management
  • Experience with Kalman filters, Neural Networks, UDU factorization and/or advanced smoothers
  • Knowledge of Artificial Intelligence and/or Machine Learning
  • Experience with TRICK/JEOD simulation architecture

Why Join Our Team?

In addition to exciting career opportunities, we also ave:

  • 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

  • Proof of U.S. Citizenship or US Permanent Residency may be a requirement for this position.
  • Must be able tocomplete 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:

10/02/2026 - 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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