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Barrios

Aerospace engineering and mission operations contractor

Flight Software Engineer

Full-TimeDeadline 7/22/27
No salary listed
Senior
Bachelor's, Master's
Houston, TX, USA
In PersonSome commuting and travel to other installations may be required.
Software EngineeringEmbedded Engineering
No H1B Sponsorship
US Citizenship, US Top Secret Clearance Required

About the job

Requirements
  • A BS degree in Software Engineering, Computer Engineering, Technology, or Math from an accredited school and five years of related software development experience.
  • Strong proficiency in object-oriented programming such as C/C++.
  • Experience with firmware, embedded software, and hardware/software integration.
  • Hands-on experience debugging embedded systems in laboratory environments using electronic test equipment such as oscilloscopes and logic analyzers.
  • Experience with serial communication protocols such as RS-232, RS-422, and RS-485.
  • Experience with packet-based communication protocols such as TCP/IP and UDP/IP.
  • Experience with Git-based platforms such as GitLab and GitHub.
  • Experience independently collaborating on cross-disciplinary engineering teams.
  • Strong communication, coordination, and presentation skills.
  • U.S. citizenship is required.
  • Successfully complete a U.S. government background investigation and meet eligibility requirements for access to classified information.
  • Ability to sit for extended periods and lift and carry up to 25 pounds.
  • Sufficient mobility to enter necessary test-facility areas.
  • Ability to work in office environments and inside or outside depending on the task.
  • Regular attendance in accordance with the established work schedule.
  • Ability to work outside the normal schedule and adjust the schedule for peak periods and surge requirements.
  • Ability to work in a team atmosphere.
  • Professional behavior that enhances productivity and promotes teamwork and cooperation.
  • Appropriate grooming and dress that does not impose a safety risk or hazard.
  • Ability to commute and travel to other installations as needed.
  • Successful completion of a post-offer, pre-employment drug test.
Responsibilities
  • Design, develop, and test flight software that will operate critical spaceflight systems.
  • Own the full software lifecycle, including design, implementation, testing, deployment, and operational support.
  • Collaborate with hardware engineers and subsystem teams to support hardware/software integration, design trades, and integrated testing.
  • Analyze and verify software performance for integrated hardware/software systems, including hands-on debugging using oscilloscopes, logic analyzers, and signal measurement tools.
  • Contribute to risk identification, fault analysis, and mitigation activities associated with flight software design.
  • Conduct hardware-in-the-loop testing and interact directly with embedded systems in laboratory and test environments to validate system behavior and performance.
  • Contribute to Agile development cycles, including planning, integration, and verification activities.
  • Collaborate with multidisciplinary engineering teams to support system-level integration and troubleshooting.
  • Provide technical input during major milestones and program reviews.
  • Perform other duties as assigned.
Desired Qualifications
  • Experience supporting human spaceflight or exploration programs.
  • Experience with embedded software frameworks.
  • Experience with device driver development.
  • Experience with SpaceWire or similar space communication protocols.
  • Experience with logging frameworks and software diagnostics architecture.
  • Experience with unit testing frameworks such as xUnit.
  • Experience with Windows and POSIX-based operating systems.
  • Experience with containerization such as Docker.
  • Experience in Agile/Scrum development environments.
  • Familiarity with CMMI frameworks.
  • An MS degree in a STEM field.

About the company

Barrios Technology provides mission-critical engineering and technology services for the aerospace sector, serving as a primary NASA contractor with a focus on Johnson Space Center programs like ISS, Orion, and Artemis. It delivers end-to-end mission support—from planning and payload requirements to real-time flight operations and post-flight analysis—through services such as systems engineering, integration, software, program management, and data analytics. It differentiates itself as a long-standing, woman-owned small business with deep NASA relationships, offering comprehensive, quality-assured mission support under long-term government contracts such as MTIC. Its goal is to provide reliable, high-quality engineering and operations support for government and commercial space initiatives and to grow its long-term programs.

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Houston, Texas

Founded

1980

Get referred to Barrios

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Simplify Jobs

Simplify's Take

What believers are saying

  • NASA selected Barrios for MTIC on July 28, 2025, with options through 2031.
  • Barrios reported 2026 Silver Snoopy awards for JETS, ISS outreach, and IRIS software.
  • Revelio Labs pegged Barrios at 766 employees in 2026, while hiring stayed active.

What critics are saying

  • NASA dominates revenue; MTIC protest or 2027 base-period slip cuts cash flow.
  • Barrios faces single-client concentration; one NASA contract failure threatens layoffs and Houston footprint.
  • Losing MTIC options by 2031 ends Barrios's core human-spaceflight franchise and likely independence.

What makes Barrios unique

  • NASA kept Barrios on MTIC in 2025, a $450 million JSC human-spaceflight gatekeeper.
  • Kelly Page led Barrios into CEO role on October 31, 2025, preserving continuity.
  • Barrios pairs woman-owned small-business status with 45-plus years supporting NASA prime contracts.

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Benefits

Flexible Work Hours