✦ Luna Orbit — QA & Testing

Senior Software Engineer (Contract) - Integration & Test

at ALTEN

📍 Remote, US Remote 💰 $135K – $180K USD / year Posted March 28, 2026
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Position Details

Salary $135K – $180K USD / year
Type Contract
Experience senior
Exp. Years Not specified
Education Not specified
Category QA & Testing

About this role

ALTEN seeks a senior satellite flight software engineer to lead development and testing efforts for space missions, focusing on verification, modeling, and validation in a remote contract role.

Key Responsibilities

  • Develop and execute satellite flight software tests
  • Lead full software lifecycle
  • Support mission development
  • Use modeling and simulation tools
  • Conduct validation and verification

Technical Overview

Role involves satellite flight software development, hardware-in-the-loop testing, modeling, simulation, and supporting space industry projects with a focus on verification and validation.

Ideal Candidate

The ideal candidate is a senior space software engineer with extensive experience in developing and testing satellite flight software, proficient in modeling and simulation, and capable of supporting space missions remotely with a focus on verification and validation.

Must-Have Skills

Development and testing of satellite flight softwareFull lifecycle of flight software developmentTest verification and validationExperience with space technology

Nice-to-Have Skills

Mission concept developmentModeling and simulationProposal writing

Tools & Platforms

Satellite digital twin softwareHardware in the Loop (HIL)FlatSat

Required Skills

Flight softwaresatellitehardware in the loopHILverification teststest methodologiesversion controlbug reportingtest planmodelingsimulationground support equipmentspace technology

Hard Skills

Flight softwareSatelliteHardware in the LoopHILVerificationsTest methodologiesVersioningBug reportingTest plan documentationIn-house modelingSimulationGround support equipmentSoftware developmentTestingSpace technology

Soft Skills

LearningGrowth mindsetAutonomous supportProblem-solvingCollaboration

Industry & Role

Industry Aerospace
Job Function Satellite flight software development and testing
Role Subtype Space Software Engineer
Tech Domains Space & Satellite Technology, Hardware in the Loop, Simulation

Keywords for Your Resume

flight softwaresatellitehardware in the loopHILverification teststest methodologiesversion controlbug reportingtest planmodelingsimulationground support equipmentspace technologyspace systemsspaceflightspace engineeringspacecraft softwarespace industryspace mission

Deal Breakers

Lack of experience with space or satellite software, No familiarity with hardware-in-the-loop testing, Inability to work remotely

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