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Unity Game Developer Jobs in Fairfax, VA (NOW HIRING)

MANTECH

Simulation Developer

Quantico, VA · On-site

Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related ... Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine ...

Apex Systems

AFSIM Backend Developer

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

The engineer will implement new simulation behaviors, integrate external models, and enhance ... gaming frameworks such as MACE, Unreal Engine, or Unity may be considered. Candidates must have ...

New

Improbable LLC

Applied Scientist

Arlington, VA

Experience using game engines such as Unity and Unreal. * Pragmatic coding ability - with fluency in at least one relevant programming language and the openness to learn and adapt to a variety of ...

Improbable LLC

Applied Scientist

Arlington, VA · On-site

Experience using game engines such as Unity and Unreal. * Pragmatic coding ability - with fluency in at least one relevant programming language and the openness to learn and adapt to a variety of ...

Improbable LLC

Applied Scientist

Arlington, VA · On-site

Experience using game engines such as Unity and Unreal. * Pragmatic coding ability - with fluency in at least one relevant programming language and the openness to learn and adapt to a variety of ...

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Unity Game Developer information

See Fairfax, VA salary details

$33.2K

$110.9K

$184K

How much do unity game developer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for unity game developer in Fairfax, VA is $110,875.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,300.00 and $126,700.00 per year, depending on experience, location, and employer.

What are the typical daily responsibilities of a Unity game developer?

Unity Game Developers typically spend their days designing, coding, and testing gameplay features, integrating art and audio assets, and identifying as well as fixing bugs within the Unity engine. They often collaborate with designers, artists, and other programmers to ensure that all game elements function harmoniously and meet design specifications. Daily work may also include optimizing game performance, attending team meetings to discuss project updates, and reviewing feedback to continuously improve the game's quality. This collaborative and iterative workflow helps bring creative visions to life while maintaining technical excellence and schedule alignment.

What are the key skills and qualifications needed to thrive as a Unity game developer, and why are they important?

To thrive as a Unity Game Developer, you need strong skills in C# programming, 3D/2D game development concepts, and a solid understanding of computer graphics and physics, often supported by a degree in computer science, game development, or a related field. Familiarity with the Unity engine, version control systems like Git, and experience with debugging and optimization tools are typically required, and Unity certifications can be an asset. Creativity, teamwork, and problem-solving abilities are crucial soft skills, as is the capacity to communicate ideas clearly within multidisciplinary teams. These skills ensure efficient and innovative game development, timely project delivery, and smooth collaboration in dynamic, iterative environments.

What is a Unity game developer?

A Unity Game Developer is responsible for designing, developing, and optimizing games using the Unity engine. They write code in C#, implement game mechanics, work with assets like animations and physics, and collaborate with designers and artists. Their role also includes debugging, performance optimization, and ensuring a smooth player experience across different platforms, such as PC, mobile, and consoles.

What are the most commonly searched types of Unity Game Developer jobs in Fairfax, VA?

The most popular types of Unity Game Developer jobs in Fairfax, VA are:

What are popular job titles related to Unity Game Developer jobs in Fairfax, VA?

For Unity Game Developer jobs in Fairfax, VA, the most frequently searched job titles are:

What job categories do people searching Unity Game Developer jobs in Fairfax, VA look for?

The top searched job categories for Unity Game Developer jobs in Fairfax, VA are:

What cities near Fairfax, VA are hiring for Unity Game Developer jobs?

Cities near Fairfax, VA with the most Unity Game Developer job openings:

Unity Game Developer jobs near you
Infographic showing various Unity Game Developer job openings in Fairfax, VA as of August 2026, with employment types broken down into 26% Internship, and 74% Full Time. Highlights an 100% In-person job distribution, with an average salary of $110,875 per year, or $53.3 per hour.

Simulation Developer

MANTECH

Quantico, VA • On-site

Full-time

This job post has expired today. Applications are no longer accepted.

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 244 rated software companies

Job description

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role.

MANTECH seeks a motivated, career and customer-oriented SIMULATION DEVELOPER to join our team in QUANTICO, VA.

Join a high-impact team supporting the Marine Corps Warfighting Lab's transition to digital wargaming. As a Simulation Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight.

Responsibilities include but are not limited to:

  • Designs, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sources

  • Integrates models and simulations into larger system architectures and supports Marine Corps Warfighting Laboratory (MCWL) Wargaming Division efforts for interoperability testing and model orchestration

  • Collaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracy

  • Implements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platforms

  • Leads and supports planning, coordination, and documentation activities for simulation projects, including data collection, stakeholder alignment, and capability tracking

Minimum Qualifications:

  • Bachelor’s degree in Computer Science, Software Engineering, Game Development, or a related technical field

  • Minimum of 2 years of software development experience focused on simulation or game-based environments.  A total of 12 years’ experience without a degree.

  • Experience in programming languages such as C++, C#, Python, or Java

  • Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena

  • Familiarity with version control systems and collaborative software development workflows

Preferred Qualifications:

  • Understanding of modeling and simulation principles in military or operational contexts

  • Familiarity with mission engineering, wargaming, campaign analysis, or Naval Capabilities Integration Process (NCIP), and associated military systems/processes

  • Knowledge of 3D graphics, physics engines, and database management systems (e.g., SQL)

  • Experience applying Agile or Scrum development methodologies in simulation projects

  • Strong communication, analytical, and cross-functional collaboration skills

Clearance Requirements:

  • Must possess a current/active TS/SCI security clearance.

Physical Requirements:

  • Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time.

  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

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