Senior Information Systems Security Officer, ISSO

Mission Technologies, a division of HII

. Design and implement information assurance and security engineering systems .

Posted 9/30/2026full-timePort Hueneme • California • United StatesSenior💰 $102,831 - $154,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in information assurance and security engineering, with a strong focus on the Risk Management Framework (RMF) and regulatory compliance. Proficient in system security design, implementation, and validation, ensuring the protection of mission-critical systems.

Highest-signal resume keywords

Information Security ExperienceRisk Management Framework (RMF)System Security DesignDoD 8140/CSWF ComplianceActive TS/SCI Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Information AssuranceSystem Security AssessmentThreat MitigationSecurity Requirements ValidationCertification and Accreditation PlanningBody-of-Evidence DocumentationIncident ResponseVulnerability Management

Tools & Technologies

GRC ToolsXActaEMASSArcherServiceNow GRCACAS

Certifications & Qualifications

DoD 8140/CSWFTS/SCI Security Clearance

Industry Keywords

Business ContinuityOperations SecurityCryptographyForensicsInsider Threat DetectionPhysical Security Analysis

Tech Stack

Tools & technologies

Cyber SecurityServiceNowTypeScript

About the role

Key responsibilities & impact

Design and implement information assurance and security engineering systems
Address business continuity, operations security, cryptography, forensics, regulatory compliance, insider threat detection and mitigation, and physical security analysis
Assess and mitigate system security threats and risks throughout the program life cycle
Validate system security requirements definition and analysis
Establish system security designs
Implement security designs in hardware, software, data, and procedures
Verify security requirements
Perform system certification and accreditation planning and testing and liaison activities
Support secure systems operations and maintenance
Contribute to a government program focused on enhancing and securing mission-critical systems and environments
Support enterprise-level security and modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations

Requirements

What you’ll need

6+ years of information security experience, including at least 2 years as an ISSO
Demonstrated mastery of the Risk Management Framework (RMF)
Experience leading information systems through the RMF lifecycle
Experience authoring, reviewing, and maintaining body-of-evidence documentation, including SSP, SAR, RAR, CP, and POA&Ms
Must meet DoD 8140/CSWF for 451-Intermediate or be willing to obtain the appropriate credential within 6 months
Active TS/SCI government security clearance required to start
Engineer Info Assurance 2: High School Diploma or equivalent and 6 years relevant experience
Engineer Info Assurance 3: 6 years relevant experience with Bachelors in related field; or High School Diploma or equivalent and 9 years relevant experience
Engineer Info Assurance 4: 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; or High School Diploma or equivalent and 13 years relevant experience
Preferred: experience with GRC tools such as xActa, eMASS, Archer, and ServiceNow GRC
Preferred: experience with discovery tools such as ACAS and vulnerability management
Preferred: incident response/responder experience

Benefits

Comp & perks

Required travel: 0–10%
Reasonable accommodations during the employment process
Equal employment opportunity consideration