Job Information
Insight Global Information System Security Manager in Santa Ana, California
Job Description
Insight Global is seeking an Information System Security Manager (ISSM) to own and manage the security posture of classified environments supporting operational deployments. This role serves as the primary security spokesperson, partnering with program teams, engineers, and information system owners to define, document, and implement security controls in alignment with NIST 800‑53, JSIG, and related standards.
The ISSM will lead Authorization & Accreditation (A&A) efforts, maintain Authority to Operate (ATO), oversee continuous monitoring, and coordinate required security artifacts. This position also mentors and manages ISSOs and ISSEs, drives process efficiency, and applies commercial security technologies within classified, air‑gapped environments.
We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.
Skills and Requirements
Active U.S. Top Secret security clearance
Experience implementing and managing security controls under NIST 800‑53 and JSIG
Proven experience supporting A&A processes and maintaining ATO
Hands‑on experience with SSPs, POA&Ms, risk assessments, audits, and continuous monitoring
Strong understanding of access controls, encryption, secure communications, and IDS/IPS
Experience integrating security into SDLC and infrastructure design
Prior experience managing or mentoring ISSO(s) and ISSE(s)
Strong communication and stakeholder collaboration skills Experience with application security (SAST, DAST, SCA)
Experience securing microservices, containers, and Kubernetes
Familiarity with cloud security and CSP compliance tools
Experience with COTS, GOTS, and open‑source security tools
Background supporting classified or air‑gapped environments