STINGRAI Network Security Engineer (Cyber Architect 3) - 29310

HII's Mission Technologies division•Tampa, FL

8d•$98,280 - $130,000•Onsite

About The Position

This opportunity resides with All-Domain Operations (ADO), a business group within HII’s Mission Technologies division. All-Domain Operations comprises multi-domain operations, platforms and logistics, and intelligence operations. HII designs, develops, integrates and manages the sensors, systems and other assets necessary to support integrated ISR operations and accelerated decision-making. With data fusion and mission management capabilities for the Department of Defense, the combatant commands and the intelligence community, HII advances the mission around the globe. 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. HII – Mission Technologies is seeking a Network Security Engineer. The Network Security Engineer provides cybersecurity and network defense support to U.S. Special Operations Command (SOCOM) by designing, implementing, and maintaining secure network architectures across mission‑critical environments. This role executes network security maintenance activities, configures physical and virtual firewalls, and ensures secure network operations in accordance with DoD and SOCOM security policies. The engineer supports the customer’s Security Officer, develops compliant security configurations, and enhances the resilience, performance, and protection of networked systems supporting SOCOM missions. This requisition supports hiring at multiple experience levels. Final placement will be determined based on the selected applicant’s qualifications, experience, and skill sets. STINGRAI: Advancing Mission Success Through Intelligence, Innovation, and Operational Excellence Every day, HII helps U.S. Southern Command (SOUTHCOM) and its mission partners stay ahead of evolving threats by delivering the intelligence, technology, and operational expertise needed to protect U.S. interests across the Western Hemisphere. Join our team on STINGRAI and support mission-critical operations through advanced intelligence, surveillance, cyber, engineering, and all-domain capabilities that strengthen regional security, enable informed decision-making, and help defend our nation today while preparing for tomorrow's challenges.

Requirements

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; or High School Diploma or equivalent and 9 years relevant experience.
Experience providing network security engineering or cybersecurity support to SOCOM, DoD agencies, or other government defense programs.
Knowledge of DoD network security policies, firewall administration, and secure network architecture best practices.
Experience configuring and maintaining firewalls, network switches, wireless infrastructure, and virtual/cloud security appliances.
Ability to translate security requirements into compliant network configurations aligned with DoD cybersecurity standards.
Experience conducting root cause analysis of security incidents and implementing risk mitigation strategies.
Knowledge of network performance monitoring, troubleshooting techniques, and optimization practices.
Ability to develop and maintain network diagrams, configuration baselines, and technical documentation in accordance with DoD guidelines.
Strong understanding of secure network protocols, segmentation, access control, and defensive cybersecurity measures.
Ability to collaborate with Security Officers, engineers, system administrators, and government stakeholders to resolve technical issues.
Strong written and verbal communication skills, with the ability to prepare documentation and brief technical concepts.
Must possess and maintain a Top-Secret clearance.

Nice To Haves

Prior experience supporting special operations networks, tactical communications, or DoD enterprise network environments.
Familiarity with DISA STIGs, DoD RMF requirements, and associated compliance standards.
Experience performing network security audits, vulnerability assessments, and remediation planning.
Knowledge of SIEM platforms, intrusion detection/prevention systems, and enterprise cyber defense tools.
Professional certifications such as Security+, Network+, CCNA/CCNP, GSEC, or other DoD 8570‑compliant certifications.
Experience with project planning, structured implementation methodologies, or large‑scale network upgrades.

Responsibilities

Design, implement, and execute network security maintenance regimens to support secure and resilient operations.
Configure and maintain physical and virtual firewalls, including cloud‑based security appliances, in accordance with DoD and SOCOM requirements.
Work closely with the customer’s Security Officer to support and enhance the organization's security program.
Implement the technical aspects of the customer’s cybersecurity program, ensuring compliance with applicable DoD policies.
Facilitate internal and external security audits, assessments, and inspections.
Translate cybersecurity and operational requirements into compliant and secure network configurations.
Provide full lifecycle support for firewalls, switches, wireless networks, and associated network security components.
Monitor network performance and implement improvements to enhance reliability, efficiency, and security.
Perform root cause analysis of security incidents and network‑related events; develop and implement corrective actions.
Develop, document, and maintain complex network configurations and architecture documentation.
Analyze existing network schemas and configurations to identify vulnerabilities and recommend security enhancements.
Apply structured engineering methodologies to plan, coordinate, and implement network security projects.