Navy Training Baseline Developer (Engineer Software 3) - 29994

Requisition Number: 29994

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $96,951.00 - $125,000.00

Security Clearance: Ability to Obtain

Level of Experience: Senior

This opportunity resides with Global Security (GS). Mission Technologies’ Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business.

As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination—not readiness in piece-parts.

For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and aircraft carriers—HII ensures a high state of readiness.

HII supports the Department of Energy’s national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country. HII meets clients’ toughest nuclear and environmental challenges.

Leadership Mindset at HII – Mission Technologies

Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every employee grows, leads, and contributes—regardless of role. It sets the standard for how you can develop yourself and what you can expect from leaders across our organization. We look for candidates who want to grow in alignment with these capabilities:

• Know & Grow Your People – Commit to learning and supporting team success.
• Build Relationships – Communicate openly, collaborate well, and build trust.
• Take Ownership – Deliver on commitments and take pride in your work.
• Customer First – Focus on the mission and those we serve.
• Shape the Future – Bring ideas, curiosity, and continuous improvement.
• Act with Urgency – Take initiative and follow through with purpose.

These capabilities guide how all employees contribute to our shared success across Mission Technologies.

Job Description

Mission Technologies, a division of HII, is seeking a Software Engineer 3 support software development across the Navy Training Baseline (NTB) product line, including JSAF, JBUS, RAVE, ERM, MDS, NEXUS, JMAC, CS3, and ATD. As part of the Navy Continuous Training Environment (NCTE) Software Engineering team, this engineer contributes to the design, implementation, testing, and sustainment of modeling and simulation systems that enable Live, Virtual, and Constructive (LVC) Fleet training. This position is eligible for hybrid work.

This role involves developing and maintaining robust, scalable software; integrating simulation systems across distributed architectures; and collaborating with developers, systems engineers, and subject matter experts to meet Navy training objectives. The Software Engineer 3 works under general direction, independently determining and developing approaches to solutions that contribute to successful project and program execution.

Essential Job Responsibilities

• Design, develop, document, test, and debug applications software and distribute simulation systems containing logical and mathematical solutions.
• Contribute to the enhancement, integration, and sustainment of NTB products including JSAF, JBUS, RAVE, ERM, MDS, NEXUS, JMAC, CS3, and ATD.
• Perform development on Red Hat Linux platforms using Java, JavaScript (ExtJS/Vue), shell scripting, and modern IDEs such as IntelliJ or Eclipse.
• Work with technical leads and end users to implement maintainable, effective, and secure software capabilities aligned with Fleet training requirements.
• Apply modeling and simulation techniques and domain protocols, including TENA, HLA, and DIS, to support distributed training systems.
• Conduct multidisciplinary research and collaborate with hardware/system designers to support the planning and development of electronic data processing systems.
• Analyze user needs and system capabilities to resolve issues related to program intent, input/output requirements, and programming techniques.
• Prepare operating instructions, assist in writing technical documentation, and support the creation of proposals, briefings, and user manuals.
• Ensure software standards, cybersecurity guidelines, and NCTE architecture requirements are met.
• Work is performed in an office environment typical for software engineering roles. May require on-site support at NCTE facilities.

Minimum Qualifications

• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
• Complete understanding and wide application of software engineering principles, concepts, and best practices.
• Proficiency in Java programming, OO design, debugging tools, and development within Linux environments.
• Experience with multithreaded development and Java-focused IDEs such as IntelliJ or Eclipse.
• Familiarity with Git for software configuration management.
• Strong communication skills and ability to work in collaborative team environments.
• Ability to obtain and maintain a Secret security clearance.

Preferred Requirements

• Experience with JUnit, Agile development methods, and CI/CD tools (e.g., Jenkins, SonarQube).
• Experience with JavaScript development, including ExtJS, Vue.js, and web technologies.
• Familiarity with TENA, HLA, DIS protocols or other M&S interoperability frameworks.
• Experience with scripting languages, databases, cryptographic log-on, and secure coding standards (DISA ASD STIG).
• Exposure to C/C++ or C4I systems.

The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.

Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.

To learn more about Mission Technologies, click here for a short video:

HII is more than a job - it’s an opportunity to build a new future. We offer 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.

Why HII
We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.

Together we are working to ensure a future where everyone can be free and thrive.
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.

Do You Need Assistance?
If you need a reasonable accommodation for any part of the employment process, please send an e-mail to View email address on aiapply.co 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 email address. Additionally, you may also call View phone number on aiapply.co for assistance. Press #3 for HII Mission Technologies.