Senior Software Engineer Security Clearance

Senior Software Engineer – Primary

Work Location:

Fredericksburg, VA

Must be a U.S. Citizen:
Yes. Clearance:
Ability to obtain a clearance up to Top Secret if later needed.

Obsidian Labs, the advanced research, prototyping, and rapid experimentation arm of Obsidian Solutions Group, is seeking a Senior Software Engineer. This role will serve as the technical lead for software development, guiding a multidisciplinary team in building data‑centric, distributed simulation environments that integrate immersive technologies (AR/VR), geospatial systems, AI/ML, and real‑time data pipelines.

• Lead the end‑to‑end software architecture development.
• Design and implement distributed simulation architectures.
• Ensure solutions support persistent and collaborative simulation environments.
• Develop capabilities that support computer‑assisted exercises, operational planning and decision support, and wargaming and strategic analysis.
• Contribute to RFI/RFP responses, technical volumes, and architecture artifacts.
• Lead and mentor a cross‑functional software team (frontend, backend, Dev Ops, simulation engineers).
• Implement Agile/Dev Sec Ops  best practices.
• Coordinate with hardware teams and training and operational SMEs.
• Establish coding standards, architecture governance, and technical roadmaps.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or related field.
• 8+ years of experience in software development.
• 5+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Experience as a mentor, tech lead, or leading an engineering team.
• 3+ years in technical leadership or architect roles.
• Experience with simulation frameworks, game engines (Unity/Unreal), or digital twins.
• 5+ years of programming with C#, Python, JavaScript/Type Script, or similar.
• Experience with Dev Sec Ops  pipelines and containerization (Docker/Kubernetes).

• Experience with developing and integrating AI-based algorithms.
• Experience with developing and integrating software-based knowledge representation and reasoning.
• Experience working with ontologies, in concept and in implementation.
• Experience working with Machine Learning and Deep Learning technologies.
• Experience working with Data Science and Visualization technologies.

• Normal office and lab environment.
• Occasional work in simulation labs, field testing environments, or training facilities.
• Travel Requirements: 35%.

Obsidian Solutions Group is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, parental status, protected veteran status, and any other non‑merit factor, or any other characteristic protected by law.