Unity 3D Developer Intern

Job Description

Obsidian Labs, the applied innovation, rapid prototyping, and advanced engineering division of Obsidian Solutions Group, is seeking a Unity 3D Developer Intern to support the design and development of immersive simulation environments. This role provides hands‑on experience working alongside a multidisciplinary team building next‑generation capabilities that integrate game engine technologies, geospatial systems, and real‑time data into operationally relevant training and decision‑support tools.

This intern will contribute to the development of interactive simulation features supporting Obsidian Labs’ flagship platforms, including VERTEX, enabling advanced Live, Virtual, and Constructive (LVC) training for defense, public safety, and critical infrastructure missions. This is an opportunity to directly support cutting‑edge human‑machine teaming applications and immersive training systems in a mission‑driven environment.

Fredericksburg, VA

Yes

• Develop and maintain interactive simulation applications in Unity for desktop, WebGL, Android, and immersive (AR/VR) platforms.
• Integrate real‑time data, geospatial information, and external systems into Unity applications.
• Debug, optimize, and improve application performance across multiple platforms.
• Collaborate with software engineers, designers, and subject matter experts to translate mission requirements into technical solutions.
• Contribute to technical documentation and development best practices.

• Currently enrolled as a senior or recently graduated with a degree in Computer Science, Software Engineering, or a related technical field.
• Experience developing applications in Unity using C#.
• Strong understanding of object‑oriented programming principles.
• Experience debugging, testing, and writing clean, maintainable code.
• Familiarity with Git or other version control systems.
• Strong problem‑solving, communication, and collaboration skills.
• Applicants must submit a portfolio, Git Hub repository, or demo project that demonstrates Unity development experience. Applications without a portfolio submission will not be considered.

• Experience developing AR/VR applications in Unity.
• Experience developing multiplayer or networked Unity applications.
• Experience integrating REST APIs, third‑party SDKs, or networked services into Unity applications.
• Experience with 3D modeling tools (Blender, Maya, or similar) is a plus.

• Normal office and lab environment.

• N/A

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 and 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…