Senior GNC Engineer (Aerospace)

We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.

As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.

When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.

About the Role

A GNC Engineer develops Guidance, Navigation, and Control algorithms and hardware for space missions, particularly for Rendezvous and Proximity Operations (RPO). Responsibilities include algorithm design and implementation, GNC hardware specification and integration, software architecture, and ensuring systems meet project requirements through collaboration with other disciplines. The role involves research into state-of-the-art GNC technologies, developing safety-critical solutions, and supporting the company's mission to create a sustainable space environment. 

Key Responsibilities

• Algorithm Development: Design, implement, and validate algorithms for Rendezvous and Proximity Operations (RPO). 


• Software Architecture: Support the development of the GNC software architecture to achieve an overall GNC software solution. 


• Hardware Integration: Lead GNC hardware specification, integration (mechanical, electrical, and software), and testing. 


• System Integration: Drive the integration of GNC algorithms, computer vision, and hardware for RPO missions. 


• Research & Technology: Conduct research into state-of-the-art GNC algorithm designs and technologies relevant to RPO missions. 


• System Design: Contribute to the overall system design for on-orbit servicing missions. 


• Cross-Disciplinary Collaboration: Work with other engineering disciplines, especially flight dynamics and flight software, to develop safe GNC solutions. 


• Configuration Management: Maintain logical and well-managed configuration control of GNC algorithms and systems. 

Education and Experience:

• Bachelors degree in engineering or related fields


• Minimum 5+ years of relevant technical experience

Required Skills:

• A strong background in GNC systems, including hardware and algorithms.


• Experience with Rendezvous and Proximity Operations (RPO).


• Familiarity with sensors relevant to RPO, such as electro-optical, infrared, and laser range finders.


• Knowledge of computer vision and on-board computing platforms.


• Understanding of systems engineering principles and tools.


• Collaborative communication and interpersonal skills.


• Ability to adapt to a dynamic and agile environment.


• A degree in engineering or another STEM-related field.

Location: On-site in Denver, CO

Salary Range: $140,000-170,000

The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience 

Note: Due to the nature of the work, only US Persons (citizens or permanent residents) need apply for this position.

ALTEN Technology is an Equal Opportunity Employer. Our Policy is to extend opportunities to qualified applicants and employees on an equal basis regardless of an individual’s age, race, color, sex, religion, national origin, disability, sexual orientation, gender identity/expression or veteran status.

Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process.

Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.