Senior Software Architect – Space Relay Modernization

Peraton; Greenbelt (MD); On-site; USD 104,000 - 166,000; Full time

Job summary

Peraton is seeking a Senior Software Architect SME to support NASA GSFC in Greenbelt, MD. You will lead architecture reviews, document modernization efforts, and mentor teams through a 35‑year legacy system rehost, leveraging AI tools to gain efficiency.

The role requires DoD/NASA program experience, strong Linux development skills, and solid CI/CD and agile capabilities to drive long‑term sustainment and documentation across programs.

Qualifications

• Bachelor's or higher in a technical field with extensive experience in legacy systems.
• Experience reading, analyzing, and reverse‑engineering legacy codebases.
• Ability to operate in a DoD/NASA/government program environment.

Responsibilities

• Co-lead architecture reviews of a 35‑year‑old legacy system.
• Develop and update architecture documentation for sustainment.
• Mentor engineers through modernization and platform rehost efforts
• Define software processes, toolchains, and CI/CD pipelines
• Drive agile practices and Definition of Done enforcement
• Coordinate with NASA task monitors and leadership on progress
• Maintain living technical documentation for long‑term sustainment

Skills

Architecture leadership

Legacy code reverse‑engineering

Linux/Unix development

CI/CD pipelines

Version control (GitLab/GitHub)

Agile methodologies

JIRA

Team mentoring & leadership

NASA/DoD environment familiarity

Education

Bachelor's degree in CS/Software Engineering

Master's degree

Tools

PostgreSQL

Oracle

GitLab

GitHub

Confluence

JIRA

Job description

Peraton is seeking a Senior Software Architect SME to support NASA GSFC in Greenbelt, MD. You will lead architecture reviews, document modernization efforts, and mentor teams through a 35‑year legacy system rehost, leveraging AI tools to gain efficiency.

The role requires DoD/NASA program experience, strong Linux development skills, and solid CI/CD and agile capabilities to drive long‑term sustainment and documentation across programs.