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Software Engineer Unmanned Maritime Systems (Hybrid) 29762

HII


Job Location:

San Diego, CA - USA

Monthly Salary: $ 106646 - 151000
Posted: 12 August 2026 (22 days ago)
Application Deadline: 9 November 2026
Vacancies: 1 Vacancy

Job Summary

Requisition Number:29762

Required Travel: 11 - 25%

Employment Type:Full Time/Hourly/Non-Exempt

Anticipated Salary Range:$106646.00-$151000.00

Security Clearance:Secret

Level of Experience:Mid

Meet HIIs Mission Technologies Division
Our team of more than 7000 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 thats right for you. Apply today. We look forward to meeting you.

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

Summary

HII Mission Technologies is seeking a skilled Software Engineer to support the Unmanned Maritime Systems Support (UMSS) program. This role includes a Hybrid schedule (averaging 12 days onsite per week). Hybrid participation is ideal for team collaboration and program integration; however fully remote may be considered depending on experience and location outside the local area.

UMSS focuses on developing and integrating advanced software for unmanned underwater vehicles distributed maritime communications and tactical situational awareness this role youll contribute to missioncritical technologies used by Navy operators helping connect unmanned platforms with commandandcontrol tools through modern C# TAKbased and distributed software architectures.

This position is ideal for cleared engineers with strong C# fundamentals and experience in the Tactical Assault Kit (TAK) ecosystem who want to work on meaningful missiondriven technology. Youll collaborate closely with crossfunctional engineering teams support both lab and fleet testing activities and help advance nextgeneration unmanned maritime capabilities. #LI-MJ1

Key Job Responsibilities
  • Design develop test and maintain software applications using C#.
  • Build and integrate plugins for WinTAK ATAK and TAK Server environments.
  • Support software development for MK18 family systems including Hydroid VIP Neptune and Coin Nexus.
  • Work with engineering teams to translate requirements into technical solutions.
  • Troubleshoot and optimize software performance in distributed and tactical environments.
  • Participate in code reviews and follow secure coding practices.
  • Support integration testing validation and verification of software components.
  • Participate in Government and Fleet test events to demonstrate and validate capabilities.
  • Prepare test plans reports and contribute to CONOPS and SOP development.
  • Develop and update engineering documentation briefs analyses and program reviews.
  • Assist with technical coordination program documentation and support for CONUS/OCONUS outfitting and deployment activities.
What you must have
  • 5 years of relevant experience with a Bachelors degree in Computer Science Engineering Information Technology or a closely related technical field (e.g. Software Engineering Computer Engineering Systems Engineering); 3 years with a Masters degree; 0 years with a PhD or Juris Doctorate; or 9 years of relevant experience with a High School Diploma or equivalent.
  • Handson C# software development experience.
  • Strong software engineering fundamentals including design principles debugging and code quality best practices.
  • Experience developing software within distributed modular or serviceoriented architectures.
  • Must have a current or active DoD SECRET clearance.
Preferred Qualifications

Experience developing WinTAK ATAK or TAK Server plugins.
Experience with MK18 software products such as Hydroid VIP Neptune or Coin Nexus.
Experience developing TAK I2I functionality enabling STANAG 4817 messaging using COT.
Experience supporting unmanned systems or Navy tactical software platforms.
Familiarity with TAK interoperability standards or additional STANAG specifications.
Additional programming experience (Python Java or other languages used within TAK environments).
Understanding of DoD software development practices including security and configuration management.
Knowledge of network protocols data formats or realtime communication systems.
Experience supporting field tests demonstrations or operational deployments of TAKenabled systems.
Strong analytical and troubleshooting skills.
Ability to work independently and collaboratively in dynamic project environments.

Physical Requirements
Ability to work in an office environment for onsite days including prolonged periods of sitting using a computer and participating in team collaboration activities.
Ability to lift and carry equipment or devices up to 25 pounds as needed for testing integration or demonstrations.
Capability to participate in lab field or fleet test events which may involve walking standing or working in outdoor or shipboard environments for extended periods.
Ability to safely handle and transport governmentissued equipment laptops or testing hardware during integration or evaluation activities.
Must be able to meet any physical requirements associated with accessing Navy facilities shipboard spaces or test ranges if needed.


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

HII is more than a job - its 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 worlds 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 Americas top large company employers we are a values and ethics driven organization that puts peoples safety and well-being first. Regardless of your role or where you serve at HII youll 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 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 1- for assistance. Press #3 for HII Mission Technologies.


Required Experience:

IC