Software Engineer

Relative Dynamics Inc.

. Work in a fast-paced commercial space environment on upcoming high-profile lunar missions .

Posted 9/18/2026full-timeRemote • Texas • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in trajectory analysis, GNC flight software development, and real-time software integration for lunar missions. Proficient in C, C++, and Python, with a strong foundation in spacecraft dynamics and navigation sensor hardware.

Highest-signal resume keywords

Trajectory AnalysisGNC Flight Software DevelopmentKalman FilteringReal-Time Software DevelopmentGN&C Hardware Familiarity

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C ProgrammingC++ ProgrammingPython ProgrammingKalman Filters6-DOF SimulationsFlight Control AnalysisMonte Carlo AnalysisNavigation Sensor TestingSpacecraft DynamicsOrbital Mechanics

Soft Skills

Interpersonal SkillsCommunication SkillsDocumentation Skills

Tools & Technologies

JIRAAgile DevelopmentVxWorksGitSWIL TestingHWIL Testing

Industry Keywords

GNC SystemsCislunar MissionsLunar OperationsSatellite ProgramsNavigation Hardware

Tech Stack

Tools & technologies

PythonC++

About the role

Key responsibilities & impact

Work in a fast-paced commercial space environment on upcoming high-profile lunar missions
Contribute to the US’s return to lunar operations
Perform trajectory analysis and generation for cislunar missions
Respond rapidly to customer requests
Generate analysis that drives mission requirements
Contribute to the design, development, and testing of the GNC system for a satellite
Collaborate with cross-functional software and hardware teams
Develop, test, and peer review GNC flight software in C and C++
Support selection, assessment, and integration of GNC sensors and effector systems
Execute and analyze 6-DOF simulations to evaluate expected on-orbit performance
Support navigation HWIL sensor and effector integration and testing for the lunar mission
Assist in real-time flight software development, integration, and testing for the satellite

Requirements

What you’ll need

BS or MS in Aerospace Engineering or related field with 3–7 years of relevant experience
Experience developing and implementing Kalman Filters
Experience with real-time software development
Familiarity with GN&C hardware including IMU, Star Trackers, GPS, LIDAR, and/or OpNav systems
Experience with SWIL and/or HWIL testing and integration
Exposure to relative navigation, image processing, or feature detection techniques
Experience supporting flight control analysis and evaluating vehicle performance and stability
Proficiency in C, C++, and/or Python
Experience with GN&C sensor testing, planning, or modeling
Experience working in a multi-disciplinary team environment
Foundational knowledge of spacecraft dynamics and orbital mechanics
Experience with JIRA and Agile development processes
Familiarity with VxWorks or other real-time operating systems is a plus
Experience with Git version control preferred
Strong interpersonal, communication, and documentation skills
Demonstrated ability to communicate technical concepts clearly and effectively
Hands-on experience with navigation sensor hardware, Kalman filtering, LIDAR, real-time software, Monte Carlo analysis, and C/C++ or Python
Experience contributing to GNC development efforts on spacecraft or satellite programs
Prior experience working with or supporting satellite systems
Ability to support government and agency partners
Comprehensive background check including drug testing

Benefits

Comp & perks

Career mobility
Continuous learning
Tuition reimbursement
Personal development program
Medical coverage
Dental coverage
Vision coverage
Life/disability coverage
401(k) with match
Paid time off (PTO)
Company holidays
Community engagement opportunities
Possible remote work eligibility