ISSE; Engineer Info Assurance

ISSE (Engineer Info Assurance
3) - 26256

Join to apply for the ISSE (Engineer Info Assurance
3) - 26256 role at Mission Technologies, a division of HII
.

Requisition Number: 26256

Required Travel: 11 - 25%

Employment Type:

Full Time/Salaried/Exempt

Anticipated Salary Range: $91,072.00 - $

Security Clearance:
Secret

Level of

Experience:

Mid HI

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.

HII – Mission Technologies is seeking a skilled Information Systems Security Engineer (ISSE) to support the U.S. Navy's Authority to Operate (ATO) process. Your role will ensure naval information systems meet rigorous security requirements through assessment, documentation, and implementation of security controls, and navigating DoD cybersecurity frameworks including RMF and NIST standards.

This role requires on-site work in Huntsville, AL and cannot be done remotely.

• Oversee and manage information security program implementation across the organization, including strategy, personnel, infrastructure, policy enforcement, emergency planning, and security awareness.
• Develop and maintain comprehensive RMF technical artifacts such as security assessment reports, system security plans, network diagrams, and security control implementation details using authorized A&A tools to support Navy ATO processes.
• Serve as a liaison between technical teams, security personnel, and Navy stakeholders to coordinate all aspects of RMF Assessment & Authorization activities.
• Support critical testing activities (T&E, DT&E, OT&E) by providing security control validation, vulnerability assessment expertise, and documentation of test results.
• Apply cybersecurity expertise across the full system lifecycle, implementing RMF processes, managing change requests, conducting annual security control reviews, addressing IAVMs, supporting FISMA reporting, and performing contingency testing.
• Implement risk-balanced security controls that protect the confidentiality, integrity, and availability of Navy information systems while meeting mission objectives.
• Provide support for PTT systems' authorization and continuous monitoring processes, ensuring ongoing compliance and timely remediation.
• Respond to security incidents, identify, report, and resolve violations; develop secure isolation solutions; and ensure systems recover securely.
• Develop and review critical documentation (requirements proposals, CONOPS, ECPs, systems engineering plans, architectural design papers, risk analyses) to support secure system implementation and authorization.
• Deliver expert security recommendations to U.S. Navy representatives based on technical analysis and emerging threats.
• Support the ISSM and facility director in implementing and managing comprehensive cybersecurity policies aligned with Navy and DoD requirements.
• Create and maintain documentation for system security operations, maintenance procedures, and problem resolution.

• 5 years of relevant experience with a Bachelor's in a related field; 3 years with a Master's; 0 years with a Ph.D. or J.D.; or High School Diploma with 9 years of experience.
• Bachelor’s Degree from an accredited university.
• CompTIA Security+ (CE).
• Current USG issued “SECRET” security clearance.
• Strong understanding and experience with the Risk Management Framework, JSIG, and RMF Bodies of Evidence.
• Excellent oral and written communication skills, collaboration skills, and experience presenting cybersecurity issues to all levels of management.
• Strong work ethic, self‑starter, capable of working in a fast‑paced, team‑oriented environment.

• CNSSI 4012 certificate or ADQ GA7.
• Succes…