Senior Software Engineer Security Clearance

Position: Senior Software Engineer with Security Clearance
Job Type Full-time Description 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. Remote Work:
No 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. Requirements
* Lead the end-to-end software architecture development
* Design and implement distributed simulation architectures
* Ensure solutions supports 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 Required

Skills and Experience:

* 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, including coding standards, code reviews, source control management, build processes, testing, and operations experience

* 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) Desired

Skills and Experience:

* Experience with developing & integrating AI-based algorithms

* Experience with developing and integrating software-based knowledge representation & reasoning

* Experience working with ontologies, in concept and in implementation

* Experience working with Machine Learning / Deep Learning technologies

* Experience working with Data Science / Visualization technologies

Physical Requirements and Work Environment
* Normal office and lab environment

* Occasional work in simulation labs, field testing environments, or training facilities Travel Requirements
* 35%
Company Description Obsidian Solutions Group LLC (OSG) is a fast-growing professional services firm based in Fredericksburg, VA. We create value for our customers by delivering technology-enabled & mission-oriented technical solutions that solve complex problems, protecting people, information, and assets. Our core capabilities are in providing Enterprise IT, Intelligence Analysis, Production & Development and Knowledge-Based Professional Services Solutions that enable the customer's mission.

Obsidian Solutions Group LLC is a service-disabled, veteran-owned small business. A career at Obsidian Solutions Group means you are able to put your expertise, credentials, and talents to great use working with customers in the DOD and Intelligence Community, while enjoying the excitement of working in a fast-growing organization committed to making a difference for our customers and in our community.

Contribute independently and collaboratively alongside our amazing team of doers and thinkers. Obsidian Solutions Group is small enough to offer a family atmosphere yet large enough to deliver a highly competitive compensation package. We hire and retain the best in the industry, offering exceptional benefits that protect the well-being of our employees, their spouses and domestic partners, and their families.

Our corporate philosophy is centered on hiring and retaining employees with the requisite skills, professional experience, personal commitment, and ethical standards necessary to foster a culture of operational excellence necessary to surpass our customer's expectations. Disclaimer The above information on this description has been designed to indicate the general nature and level of work performed by employees within this classification.

It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. 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…