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GN&C Engineer

GeoControl Systems, Inc
Houston, Texas, United States Posted Oct 22, 2026
Full-time

About this role

GeoControl Systems, Inc.as a HUBZone company, is required to maintain a Federally mandated level of employees that reside (home residence) in a qualified HUBZone. ONLY applicants whose home address lies in a qualified HUBZone will be considered for this position.

You can verify whether you reside in a HUBZone by using the following website:

https://maps.certify.sba.gov/hubzone/map

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you!

​

We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are excited about what we do, and we need you on our team as we take on exciting challenges for NASA’s pursuits in deep space exploration. As NASA’s largest engineering solutions provider working together with NASA at centers across the United States.

We have an exciting opportunity for a GN&C Engineer to join the team with Geocontrol Systems, 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

Requirements

  • 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

Benefits

  • GCS health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Typical benefits offered include flexible work schedules and opportunities to work remotely, educational reimbursement, retirement benefits (401K, Roth), health benefits, tax saving options, disability benefits, life and accident insurance, voluntary benefits, paid time off and paid holidays, and parental and pregnancy leave.

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