Senior Flight Software and Avionics Engineer

Leidos has an opening for a Senior Flight Software and Avionics Engineer to support the Cargo Mission Contract team in Houston, Texas. The engineer will provide space flight software and avionics support for newly developed hardware in support of ISS, HLS, moonbase, and commercial space programs.Primary Responsibilities:Undertaking development of end-to-end avionics system architectureDeveloping schematics for power distribution, communication lines, and central processing system or embedded system, related peripherals (sensors, actuators, switches)Work with a team to design, develop, and test embedded flight softwareDesign and build functional, efficient, dependable, secure, and maintainable softwareCollaborate with hardware engineers on board-level firmware and circuit designsExecute test plans and procedures in Hardware-in-the-Loop testbeds and support test automation platforms to facilitate CI/CD initiatives.Collaborate effectively with other engineers and technicians (electrical, mechanical, embedded) to integrate hardware simulation and fault injection solutions into real-time softwareSupport milestone reviews such as PDR, CDR, and SDRGive and receive productive feedback during collaboration and in design and code reviewsPerform other duties as assigned.Basic Qualifications:Bachelor’s degree in computer science and electrical electronics engineering or related field.5+ years of experience with embedded systems programming (e.g. microcontrollers, single board computer) in Linux and real-time software environments. C/C++ proficiency mandatoryExperience with development and testing of LabView Applications to build automated test, measurement, and control systemsCapable of identifying and solving complex problems, building solutions with little to no supervision or directionExperience with spaceflight or other safety critical systemsExperience working with operating systems, file systems, and bootloadersExperience with Bitbucket or Gitlab and Jenkins software tools, and Agile software development processesFamiliar with containerization supporting Continuous Development/Continuous Integration pipelines on Linux SystemsPreferred Skills and Experience:Master’s degree in computer science and electrical electronics engineering or related fields2+ years of experience with spaceflight projects (payloads, satellites, spacecrafts)Experience with developing Environmental Control and Life Support System (ECLSS) systems and subsystemsElectrical PCB design, schematics development, analysis, routing and testingMust be able to obtain a Public Trust Clearance; due to contract requirements, U.S. Citizenship or U.S. Permanent residency is required. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.Original Posting:July 30, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $107,900.00 - $195,050.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.SummaryLocation: Webster, TXType: Full time