Cyber Intelligence Manager (ISSM)
L3HARRIS Technologies
San Diego, CA · Posted November 12, 2026
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About the job
Title: Cyber Intelligence Manager (ISSM)
Job Code: 47632
Job Location: San Diego, CA
Job Schedule: 9/80: Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off
Job Description:
L3Harris is seeking a Level 5 Manager, Cyber Intelligence - Information System Security Manager (ISSM) to lead cybersecurity governance, risk management, and compliance for classified information systems supporting cyber intelligence programs in San Diego, CA.
The ISSM will serve as a senior cybersecurity subject matter expert, coordinating with program leadership, system owners, security personnel, and government stakeholders to maintain system authorizations and manage cybersecurity risk throughout the system lifecycle.
Essential Functions
Lead the information system security program for assigned classified systems, ensuring compliance with applicable government requirements, contractual obligations, and organizational policies.
Manage Risk Management Framework (RMF) activities, including system categorization, security control implementation, assessment support, authorization, and continuous monitoring.
Develop, maintain, and review authorization documentation, including System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), and supporting security procedures.
Coordinate with government authorizing officials, security control assessors, customers, and internal stakeholders to obtain and sustain system authorizations.
Oversee vulnerability management, configuration compliance, audit logging, access controls, and remediation of security findings.
Assess security impacts associated with system changes and participate in configuration management and change-control processes.
Lead cybersecurity incident coordination, reporting, and corrective actions in partnership with appropriate security and operational teams.
Provide technical direction and mentorship to Information System Security Officers (ISSOs) and other cybersecurity personnel.
Translate cybersecurity requirements and risks into actionable recommendations for program and business leadership.
Support inspections, assessments, and audits, including preparation of evidence and tracking of corrective actions.
Collaborate with engineering and operations teams to integrate security requirements throughout the system lifecycle.
Required Qualifications
Bachelor's Degree with 9 years prior experience, Graduate Degree with 7 years prior experience. In lieu of a degree, minimum of 13 years of prior related experience.
Active DoD Top Secret security clearance is required; adjudicated and current Continuous Evaluation date.
Preferred Qualifications
Significant progressively responsible experience in cybersecurity, information assurance, or information system security, including leadership of classified system security activities.
Demonstrated experience performing ISSM duties or comparable cybersecurity governance and authorization responsibilities.
Strong working knowledge of RMF, NIST SP 800-53 security controls, and classified information system authorization processes.
Experience applying relevant classified-system requirements, such as the NISPOM Rule, DCSA assessment and authorization guidance, ICD 503, or the Joint Special Access Program Implementation Guide (JSIG), as applicable to the supported environment.
Experience developing authorization packages, managing POA&Ms, and supporting continuous monitoring.
Ability to assess technical security findings and communicate risk, mitigation options, and operational impacts to technical and nontechnical audiences.
Strong leadership, written communication, stakeholder coordination, and organizational skills.
Prior ISSM experience supporting Department of Defense or Intelligence Community programs.
CISSP, CISM, or another relevant cybersecurity certification.
Experience with security assessment and vulnerability management tools, such as eMASS, Xacta, ACAS, or comparable platforms.
Experience securing Windows and Linux environments, virtualized infrastructure, and network devices.
Experience implementing Security Technical Implementation Guides (STIGs) and managing security baselines.
Demonstrated success leading complex authorization efforts and mentoring cybersecurity teams.
In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $127,000 - $236,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
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