Edge Information Systems Security Engineer (ISSE)

Huntington Ingalls Industries, Inc. • Springfield, MO

2d • Hybrid

About The Position

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. HII’s Mission Technologies division is dedicated to delivering cutting-edge solutions that advance national security and defense objectives. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations. The selected candidate will contribute to a high-impact government program focused on enhancing and securing mission-critical systems and environments. The program is scheduled to launch in early 2026 and due to the classified nature of the mission and the sensitivity of the operational environment, an active TS/SCI security clearance will be required. Candidate must be willing to obtain and maintain a CI poly.

Requirements

• 7+ years of progressively responsible hands-on experience as an information systems security professional
• Demonstrated proficiency and expertise in Implementing and facilitating the NIST Risk Management Framework (RMF) within the DoD/IC
• Demonstrated proficiency and expertise in Applying secure configuration concepts, protocols, and security methodologies to local and Enterprise systems
• Demonstrated proficiency and expertise in Developing and implementing organizational-level cybersecurity programs, such as continuous monitoring, vulnerability managements, or incident response
• Demonstrated proficiency and expertise in Capturing, analyzing, and decomposing cybersecurity requirements applicable to information systems and developing solutions to address those requirements
• Demonstrated proficiency and expertise in Securing and evaluating information systems for compliance with DISA STIGs
• Excellent initiative, motivation, problem-solving, and analytical skills with the ability to work independently and as part of a team
• Active TS/SCI w/ ability and willingness to obtain and maintain a CI poly.
• 2-9+ years relevant experience with Bachelors in related field OR 0-7+ years experience with Masters in related field OR High School Diploma or equivalent and 6-13+ years relevant experience.

Nice To Haves

• Demonstrated hands-on proficiency and expertise in Configuring or operating industry-standard cybersecurity toolsets such as ACAS, Trellix, Splunk, ePO, Rapid7, and similar solutions
• Demonstrated hands-on proficiency and expertise in Operating ServiceNow's Continuous Authorization and Monitoring (CAM) module to maintain an Information System's body of evidence
• Demonstrated hands-on proficiency and expertise in Employing cyber resiliency engineering practices to include the methods, processes, modeling, and analytical techniques to identify and analyze proposed cybersecurity solutions
• Demonstrated hands-on proficiency and expertise in Working with a wide-range of vendors and technologies including Microsoft, Linux, Cisco, VMWare, NetApp, ServiceNow, etc.

Responsibilities

• Provide expert cybersecurity engineering support to edge system stakeholders—including system owners, information security professionals, system engineers, and administrators—to ensure systems remain in full technical alignment with organizational security requirements.
• Translate cybersecurity policies, controls, and risk management guidance into actionable engineering recommendations that strengthen the security posture of distributed and mission critical edge environments.
• Evaluate system architectures, identify security gaps, and advise teams on secure design principles, hardening strategies, and compliance obligations.
• Review technical implementations, validate control effectiveness, and guide stakeholders through security engineering activities related to system upgrades, deployments, and operational changes.
• Support security assessments, documentation development, boundary protection planning, and risk remediation recommendations.
• Travel up to 25% annually to engage with field sites, perform on site technical reviews, collaborate with local stakeholders, and ensure edge systems are designed, configured, and maintained in accordance with organizational and mission focused security expectations.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED