Software Engineer; Engineer Software - JLVC Mod-JECS Modernization

Software Engineer (Engineer Software
1) – JLVC Mod-JECS Modernization – 26049

Join to apply for the Software Engineer (Engineer Software
1) – JLVC Mod-JECS Modernization – 26049 role at HII.

• 4 days ago – Be among the first 25 applicants

• This range is provided by HII. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

$56,566.00/yr – $80,000.00/yr

Mission Technologies, a division of HII, is seeking an entry‑level Software Engineer to support our team in Suffolk, VA. The Software Engineer 1 will support the modernization and integration of the Joint Live Virtual Constructive (JLVC) Exercise Control System (JECS). This role focuses on integrating existing JECS functionality into a modern, web‑enabled interface via the Joint Training Tool (JTT) UI and enhancing distributed access and operational capability across JLVC exercises.

The engineer will contribute to UI integration, backend interface development, and hybrid system architecture in support of distributed simulation and event control across DoD and Joint environments.

This position is ideal for an early‑career developer eager to contribute to mission‑critical training systems and gain experience with defense simulation technologies to support the Joint Training Synthetic Environment (JTSE) Joint Staff J7 (JS J‑7) contract onsite at our Suffolk, VA Joint Staff Complex.

• Participate in software development and integration efforts supporting JECS modernization, particularly UI and backend interfaces between JECS and JTT.
• Support integration of JAWS (JLVC Analysis Work Station) functionality into the JTT Execution Map UI.
• Assist in the transition from multiple standalone JECS applications to a unified, distributed‑access platform.
• Collaborate with multi‑disciplinary teams including Technical Control, White Cells, Adjudication Cells, and Response Cells.
• Conduct code development, debugging, unit testing, and version control under Agile or hybrid development methodologies.
• Perform software documentation and contribute to design reviews, sprint planning, and technical reporting.
• Support troubleshooting and event control activities during live JLVC exercises.
• Participate in the development and enhancement of hybrid architectures interfacing with JMECS for C4I System stimulation.
• Learn and apply federation technologies including HLA (High Level Architecture) and support M&S integration.

• 0 years experience with Bachelors in related field; or High School Diploma or equivalent and 4 years relevant experience.
• An active Secret security clearance is required.
• Strong written and verbal communication skills.
• Willingness to learn and operate in a dynamic, mission‑driven environment.
• Ability to work independently and as part of a geographically distributed team.

• Experience with Java, C++, or C# development in Linux and/or Windows environments.
• Exposure to web development frameworks.
• Understanding of RESTful APIs and integration with front‑end interfaces.
• Familiarity with simulation systems, military training systems, or distributed computing is a strong plus.
• Knowledge of High‑Level Architecture (HLA) or DIS (Distributed Interactive Simulation) standards is desirable.
• Experience working in Agile/Scrum development teams.

HII offers competitive benefits such as best‑in‑class medical, dental and vision plan choices; wellness resources; employee assistance programs;
Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post‑secondary education scholarships. Bonus/other non‑recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.

Entry level

Full Time/Salaried/Exempt

Information Technology

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.

If you need a reasonable accommodation for any part of the employment process, please send an e‑mail to  and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case‑by‑case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this e‑mail address. Additionally, you may also call 1‑844‑849‑8463 for assistance.

Press #3 for HII Mission Technologies.