Junior Software Developer - Modeling & Simulation - SimIS Inc.
Confirmed on the employer's own hiring board on Oct 6, 2026. First seen by Alion on Oct 5, 2026.
100% ONSITE
Who We Are: Founded in 2007, SimIS Inc. is an innovative information technology solution Veteran Owned Small Business (VOSB) that models future environments, requirements, and capabilities, and then secures the enterprise from internal and external threats compliant with Federal, State, and industry standard governance to ensure client mission success. Our performance standard is "excellence," with an outcomes-based, quality focus in our services and products, guided by our core values of honesty (in word and deed), relationships (confidence and trust with clients and partners), teamwork (shared goals, mission, and purpose), loyalty (allegiance to our client and team), and importance of others (work and win as a team).
SimIS is currently recruiting for the listed position and is contingent upon award.
Job Description:
The ideal candidate will support U.S. military Modeling & Simulation (M&S) efforts under the guidance of senior developers at our Suffolk, Virginia headquarters. This entry-level role involves assisting in the design, development, integration, and maintenance of simulation systems used for training, analysis, and decision support in defense environments. The candidate will work closely with experienced team members to develop foundational skills in software engineering while gaining exposure to military systems, simulation standards, and real-time/constructive simulations.
The candidate performs the following specific assignments:
- Assists in developing simulation software for military training and analysis under senior supervision
- Supports software development efforts using established coding standards and best practices
- Learns and applies simulation frameworks such as HLA (High-Level Architecture) and DIS (Distributed Interactive Simulation)
- Contributes to the development of simulation scenarios, models, and system behaviors
- Participates in software testing and quality assurance activities
- Assists with integrating models and simulations with C4ISR systems and external interfaces
- Supports technical documentation efforts including design specifications and test plans
- Collaborates with team members to translate basic military requirements into software components
- Participates in code reviews and learns from senior developers
- Maintains version control practices and follows configuration management procedures
- Assists with compliance with software development standards and security guidelines
- Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related field
- 1-3 years of software development experience (internships and academic projects count)
- Basic proficiency in one or more programming languages: C++, C#, Java, or Python
- Understanding of fundamental software engineering principles
- Academic coursework or projects related to modeling and simulation
- Understanding of software engineering best practices including Agile/Scrum methodologies
- Exposure to simulation frameworks such as HLA, DIS or similar M&S tools
- Basic understanding of version control systems (Git)
- Interest in military systems and defense applications
- Academic experience with databases and data structures
- Familiarity with software testing principles
- Strong analytical and problem-solving skills
- Excellent communication and teamwork abilities
- Eagerness to learn and adapt to new technologies
- Detail-oriented with strong debugging skills
- Ability to work in a fast-paced, collaborative environment
- Medical, Dental, and Vision
- Short-Term Disability (at no cost to you) & Long-Term Disability
- Life Insurance
- 401(k) Savings Plan
- Flex Spending Accounts
- Tuition Assistance Program
- Professional Development
- Paid Time Off (PTO)
- 11 Federal Holidays each year
SimIS, Inc. is an EOE / M / F / Disability / VET / Drug Free Employer