Sr. Systems Integration Engineer

Position: Sr. Systems Integration Engineer - 28034
Requisition Number: 28034 Required Travel: 0 - 10%

Employment Type:

Full Time/Salaried/Exempt Anticipated Salary Range: $ - $ Security Clearance:
Secret Level of

Experience:

Senior 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 C5

ISR, 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,  for a short video:  Leadership Mindset at HII – Mission Technologies Leadership at HII is a mindset, not a title.

Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture:
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’ System Integration group is seeking a Senior Systems Integration Engineer to support the integration, testing, and deployment of the Advanced Training Domain (ATD) System—a shipboard combat system trainer that enhances U.S. Navy operational readiness. This full‑time, on‑site role is part of a highly skilled engineering team delivering reliable, high‑fidelity mission training capabilities.

In this role, you will ensure software components, data interfaces, system services, and third‑party integrations operate cohesively as part of a fully integrated combat system training environment. Impact, Growth & Development In this role, you will directly support:
• Integration of high‑fidelity combat system training capabilities used across the U.S. Navy
• Collaboration with developers, testers, and systems engineers to solve real‑world integration challenges
• Mission‑critical systems that enhance national defense and strengthen warfighter readiness

Key Job Responsibilities Define and execute cross‑platform (Windows/Linux) integration approaches, sequencing, and risk‑mitigation strategies for multi‑component systems Develop and maintain system architecture views, interface definitions (ICDs), data flows, and configuration baselines to ensure subsystem compatibility and interoperability Author integration plans, deployment runbooks, verification procedures, and acceptance criteria; ensure environment parity and version alignment across development, test, and shipboard environments Diagnose complex software, OS, storage, and network interactions;

lead root‑cause analysis and corrective/preventive actions Direct integration and end‑to‑end testing (functional, performance, resilience/failover); ensure test coverage, traceability, and readiness evidence Implement and maintain automation using Ansible/Power Shell/Python and CI/CD pipelines (Git Lab/Jenkins) to streamline builds, deployments, and configuration enforcement Monitor system telemetry, tune performance, and ensure alignment with DoD cybersecurity requirements (certificates, secure configurations, vulnerability remediation, and auditability) Collaborate with software, systems, network, and cybersecurity teams;

work with vendors and stakeholders to evaluate components, resolve issues, and support upgrades Lead installation, configuration, and optimization tasks in lab and shipboard environments; support acceptance testing and system verification (up to 10% travel) Mentor…