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Space GNC Engineer

Space Systems Integration, Chantilly, VA

Posted pay

$180K–$230K

a year

Location: Chantilly, VA
Work type: Onsite
Level: Not given
Experience: 10+ years
Posted: Jun 26, 2026
Last check: 2 h ago
Job type: Software engineering

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Space Systems Integration

About Space Systems Integration: funding, hiring and pay

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Overview

Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges.

SSI is seeking a Space GNC Engineer to provide Systems Engineering and Technical Advisory (SETA) support to our customer in Chantilly, VA.

This position requires experience with the full lifecycle of design, development, testing and operations of GNC capabilities for spacecraft. This individual will assist the government customer with requirements development, design oversight, trade studies, proposal evaluation, engineering change proposal development/evaluation, hardware procurement oversight, algorithm oversight, integration and test support, and flight operations of highly complex systems.

What you need

Must possess an active Top Secret/SCI clearance and CI polygraph (polygraph within the last ten (10) years).
Master's degree in engineering and ten (10) or more years of experience.
Direct experience with space-based ACS subsystems and GNC.
Experience with all phases of the satellite mission lifecycle, from concept development and design through integration, testing, and post-launch operations.
Excellent interpersonal, leadership, team building and problem solving skills with a demonstrated ability to be effective in a Government/Contractor team environment.
Ability to communicate complex technical topics to Senior decision-makers with varying technical backgrounds through clear briefings and written reports.
Willingness to travel up to 10%.

Specific Duties May Include, but Not Limited to the Following

Perform independent technical assessments of spacecraft GNC subsystem architectures throughout system design, integration, and test.
Evaluate contractor designs to ensure compliance with mission requirements, interface specifications, and system performance objectives.
Assess spacecraft attitude determination and control system designs, including sensor suites, actuator selection, redundancy approaches, and fault management strategies.
Review guidance, navigation, and control algorithms for technical soundness, implementation maturity, and operational suitability.
Assess risks, technical maturity, and performance margins across development and operational systems.
Work closely with operators, system engineers, and contractors to diagnose and resolve test and operational issues.
Ensure lessons learned from operations are fed back into system improvements.
Assist in developing customer positions, technical assessments, and decision briefings for leadership.

Legal notes

Space Systems Integration provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, or any other characteristic protected by federal, state, or local laws.

Read the job posting on the Space Systems Integration site

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Source: the Space Systems Integration Lever job board. We last checked this job 2 h ago. We first saw it 4 days ago. A job on a job board does not always mean that the team interviews people now. We found this job board in a public list. We did not yet compare it with the careers page of the company.

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Space Systems Integration

Open tech jobs: 14
With posted pay: 86%
Median posted base: $180K–$230K

About Space Systems Integration: funding, hiring and pay

Compared with similar jobs

This base pay is above the median for software engineering jobs in other US places with no level in the job title.

Median: $165K a year
Other jobs in the group: 2,856

We compare the middle of each posted range. This is base pay as posted. The group does not include this job.