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Jobs · Information Technology · California

Systems Engineer - Expeditionary Unmanned Systems (ExUS) (Hybrid) - 29763

Mission Technologies, a division of HII · San Diego, CA · 2 wk ago
Information Technology$145k/yrFull-time

HII’s Mission Technologies Division delivers all-domain expertise and advanced technologies to mission partners worldwide. With over 7,000 professionals, we accelerate national security solutions in C5ISR, AI and Big Data, cyber operations, synthetic training, fleet sustainment, environmental remediation, and unmanned underwater vehicles.

About the role

HII Mission Technologies is seeking an experienced Senior Software Developer to support the Expeditionary Unmanned Systems (ExUS) portfolio under NIWC Pacific. This role includes a hybrid schedule (averaging 1–2 days onsite per week), with fully remote considered based on experience and location. The Senior Software Developer will design, implement, test, and integrate advanced software components for COIN/Nexus, Common Control System (CCS) modules, and other UUV command-and-control capabilities used across the Navy’s ExUS programs. This role supports mission-critical unmanned underwater vehicle operations and requires strong C#, Angular, and UI development skills, along with experience in Navy maritime software environments.

Anticipated salary range: $99,960.00 - $145,000.00. Security clearance requirement: Secret.

Responsibilities

  • Develop, maintain, and enhance software components supporting COIN/Nexus and ExUS command-and-control systems.
  • Design, build, and optimize C# applications and Angular 10+ front-end interfaces.
  • Develop software modules, plug-ins, and integration components supporting MK18 Mod 1/2, R&D platforms, CCS, and ExUS tools.
  • Support software verification, validation, debugging, and test readiness for release cycles.
  • Participate in Government and Fleet test events to demonstrate new capabilities.
  • Develop test plans, test reports, and contribute to CONOPS development for ExUS systems.
  • Create, edit, and maintain SOPs, system documentation, and training materials.
  • Support technical exchanges, community-of-interest forums, and program reviews.
  • Produce briefs, analysis reports, presentations, engineering change proposals (ECPs), and technical documentation.
  • Review engineering, technical, and acquisition documents and provide feedback.
  • Assist with coordination of engineering, logistics, and program documentation for both CONUS and OCONUS outfitting, integration, and POR activities.
  • Collaborate with NIWC PAC, ISEA, and fleet operators to transition new software capabilities.
  • Deliver “brief-ready” products requiring no government rework.

Requirements

  • 5 years of relevant experience with a Bachelor’s 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 Master’s degree; 0 years with a PhD or Juris Doctorate; or 9 years of relevant experience with a High School Diploma or equivalent.
  • Hands-on C# software development experience.
  • Strong software engineering fundamentals, including design principles, debugging, and code quality best practices.
  • Experience developing software within distributed, modular, or service-oriented architectures.
  • Experience developing front-end applications using Angular 10 or higher.
  • Current or active DoD SECRET clearance.

Preferred Qualifications

  • Experience developing software for the COIN/Nexus program.
  • Experience supporting Navy UUV systems such as MK18 Mod 1/Mod 2, Lionfish, Viperfish, or Mobile Gateway Buoy systems.
  • Experience developing CCS plug-ins or components for COIN/Nexus and ExUS architectures.
  • Familiarity with distributed systems, SOA, or SAE UCS architecture.
  • Understanding of secure coding practices and DoD configuration-management standards.
  • Experience supporting test events, field demos, or multi-agency technical exchanges.
  • Ability to produce polished, brief-ready deliverables for senior government audiences.
  • Experience supporting CONUS/OCONUS deployments or system integration.

Benefits

  • Competitive medical, dental, and vision plans.
  • Wellness resources and employee assistance programs.
  • Savings Plan Options (401(k)) with financial planning tools.
  • Life insurance and employee discounts.
  • Paid holidays and paid time off.
  • Tuition reimbursement and early childhood/post-secondary education scholarships.
  • Occasional bonus or non-recurrent compensation for qualified positions.

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. We look for candidates who align 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.

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