Jr. Software Developer

Space Ground System Solutions (SGSS), a Parsons company, is hiring junior software developers working onsite at our office in Alexandria, VA, to join mission‑focused teams supporting the Naval Research Laboratory (NRL). SGSS builds cloud‑enabled and on‑prem software solutions for the Department of Defense and Intelligence Community space programs. We're looking for motivated engineers who enjoy hands‑on coding, working in small teams, and delivering capability into production codebases.

• Design, implement, test, document, and maintain software components for cloud, hybrid‑cloud, and on‑prem systems
• Build and maintain containerized services and Kubernetes deployments (authoring manifests, Helm charts, and CI/CD pipelines)
• Contribute to SDKs and libraries in multiple languages to support internal and external consumers
• Develop and maintain APIs, technical documentation, and examples
• Participate in code reviews, automated testing, and release processes
• Troubleshoot, profile, and debug performance‑sensitive services
• Collaborate directly with engineers, systems integrators, and customers at NRL to refine requirements and deliver features

• Must be a US Citizen
• Must meet eligibility requirements associated with obtaining an active DoD TS/SCI clearance
• B.S. in Computer Science, Software Engineering, Computer Engineering, or a closely related field, from an accredited university and at least one (1) year of professional experience
• Proficiency in one or more of the following:
  Python, Go (Golang), Java, JavaScript/Node.js, or C/C++
• Experience developing software on Linux platforms with containers (Docker) and Kubernetes
• Strong debugging and problem‑solving skills; familiarity with multi‑threaded and concurrent programming concepts
• Strong written and verbal communication skills; comfortable working in small, collaborative teams
• Self‑motivated and able to develop robust and high‑quality software solutions based on high level guidance
• Message‑based design and implementation (NATS.io and Protobuf)
• Cloud & Hybrid Cloud architectures
• Microservices and RESTful API design
• JavaScript frameworks and tooling (Node.js, React/Vue, bundlers, package managers)
• SDK development and multi‑language support
• Networking fundamentals – TCP/IP and common internet protocols
• CI/CD tooling, automated testing frameworks, and infrastructure‑as‑code (Terraform, Ansible, etc.)
• Performance profiling, observability, and monitoring tools (Prometheus, Grafana, tracing)

• Prior experience delivering capability into established codebases or contributing to distributed/open‑source teams
• Participating or directing Agile software processes
• Experience creating, integrating, and documenting APIs
• Experience integrating open‑source and proprietary libraries
• Experience designing, developing, and debugging performance‑critical systems and multi‑threaded services
• Front‑end UI experience and modern JavaScript tooling (preferred for full‑stack roles)

SGSS believes in taking care of their employees by offering:

• ALL benefits fully funded
  , for your entire family
  • this includes Medical/Dental/Vision/Group Life/STD/LTD - no employee premiums
• SGSS funded HSA (Health Savings Account) provided
  • with SGSS funding the maximum amount allowed by the IRS
• Retirement Savings Plan (RSP/401k) with a 20% annual company contribution - no employee contribution required

Applicants selected for this position will be subject to a government security investigation and must meet eligibility requirements for access to classified information or applicants who are eligible for security clearances.

SGSS is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.