Entry Level Full Stack Software Developer Jobs in Portsmouth, VA

Job Number: R0245326
Model and Simulation Software Engineer
The Opportunity:
You will play a critical role in advancing our Modeling and Simulation (M&S) capabilities by designing, developing, and integrating AI-enabled models that support complex wargaming and operational decision-making for the DoW. Using core software engineering principles, you'll build scalable simulation components, create realistic behavioral and environmental models, and integrate diverse data sources to drive high-fidelity outcomes. You'll collaborate closely with analysts, domain experts, and other engineers to ensure that models accurately represent real-world conditions and evolving mission needs.
As part of this effort, you'll apply full-stack engineering skills to shape the technical vision for next-generation M&S systems by evaluating new frameworks, enhancing simulation performance, and implementing architectures that support future extensibility. Your contributions will directly influence how clients explore scenarios, assess alternatives, and derive insights from complex simulation environments.
Join us. The world can't wait.
You Have:

• Experience with developing software in Java, C++, C, and or C#
• Experience with version control, documentation practices, and GitLab workflows
• Experience working in Linux environments
• Knowledge of the Distributed Interactive Simulation (DIS) networking protocol
• Knowledge of COTS and GOTS Modeling & Simulation (M&S) and data tools, such as Modern Air Combat Environment (MACE), Mission Object Configuration Tool (MOCT), Virtual Reality Scene Generator (VRSG), and various Image Generators (IG) for data transformation, configuration, and standardization
• Knowledge of combat weapons systems including aircraft, ground-based radars, and surface-to-air systems
• Ability to write clean, efficient source code for new applications and enhance existing codebases
• Ability to support the evaluation, selection, and integration of M&S tools
• TS/SCI clearance
• HS diploma or GED

Nice If You Have:

• Experience developing AFSIM scripts to tailor model behaviors and scenario configurations
• Experience with TAK products
• Experience working within the SOF communities
• Experience building and managing containers
• Experience building DevSecOps environments or pipelines
• Knowledge of scenario development and analytical assessments of combat weapon systems using Live, Virtual, and Constructive (LVC) simulation tools
• Ability to distill, summarize, and communicate complex technical insights related to model library management and dissemination

Clearance:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required.
Compensation
At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.
Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $86,800.00 to $198,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date.
Identity Statement
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.
Candidate AI Usage Policy
AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.
Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

• Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.
• Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.
• Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.