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Software Engineer - Mid

  • On-site
    • Washington, DC, District of Columbia, United States

Job description

  • Experience: 3-5 years of software development experience in DoD IT environments. 

  • Clearance Requirement: Secret (TS Preferred) 

  • Location: Hybrid (Contractor Facility in DC and occasional local travel to Annapolis/Ft. Meade)

  • Certifications Preferred: Security+, AWS Certified Developer, DoD 8570.01-M IAT Level II, similar 

  • Proficiency with C#, .NET, Java, JavaScript, SQL, and AWS services.  

  • Familiarity with Agile, DevSecOps, and automated testing methodologies.  

  • Knowledge of DoD RMF, cybersecurity best practices, and DISA STIGs.  

  • Strong debugging, troubleshooting, and system integration skills.  

Role Summary:  

The Mid-Level Software Engineer supports the design, development, testing, and sustainment of the Spectrum XXI (SXXI) software suite at the Defense Information Systems Agency (DISA). This role involves full-stack software development, database integration, DevSecOps practices, and system interoperability with DoD spectrum management and frequency assignment systems. The engineer will work in an Agile development environment, ensuring software updates meet DoD cybersecurity and operational requirements.  

Contract-Specific Responsibilities:  

 

Software Development & Engineering  

  • Perform development of SXXI v6 enhancements, improvements, and bug fixes, and eventually modernizing legacy client-server components into cloud-native web application components.  

  • Perform full-stack development and deployment using C#, .NET, and AWS-based services, including implementation and validation.  

  • Collaborate with SXXI Testers following Test-Driven Development practices to define tests that guide the development of the SXXI software and the automated tests that will validate the software meets the acceptance criteria. 

  • Assist in the modernization and sustainment of SXXI software using C# and the .NET framework.  

  • Support integration of machine-to-machine interfaces for automated spectrum assignment processing.  

  • Support the design and development of databases, including queries and schema updates for Oracle and SQL Server.  

  • Implement secure coding practices in alignment with DoD DevSecOps policies.  

  • Create and maintain Interface Control Documents (ICDs) for interoperability with NTIA and DISA systems.  

  • Supports the development of Acceptance Test Plans and Procedure documents.  

Testing & Debugging  

  • Conduct unit, integration, and regression testing to validate software functionality and security compliance.  

  • Develop and execute Acceptance Test Plans (ATP) and Procedures, ensuring software meets mission-critical operational needs.  

  • Support CI/CD pipeline development, integrating automated testing tools within GitLab and AWS environments.  

Cybersecurity & Compliance  

  • Implement DISA STIG compliance, ensuring secure software configurations.  

  • Ensure secure API development for data exchange between SXXI and external spectrum management systems.  

  • Write, modify, and maintain technical documentation and specifications, including user manuals, system documentation, and training materials  

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