Information System Security Manager (ISSM)

Date Posted: 2026-08-11
Location: Anaheim, CA (Onsite)
U.S. citizenship and an active, transferable Top Secret/SCI security clearance are required prior to start date.

About the Role

As the site Information Systems Security Manager (ISSM) at Applied Signal Technology’s (AST) Security organization, you will own the end-to-end Cybersecurity Program for all classified and controlled information systems at our Anaheim Hills, CA facility. You will partner with Program Management, Engineering, and the Cognizant Security Agency (DCSA/SAPCO) to obtain and sustain ATO on schedule and maintain an audit-ready environment. This role involves up to 5% domestic travel.

Responsibilities

• Lead RMF/JSIG/DAAPM execution: architect secure solutions, prepare authorization packages, brief Security Control Assessments, and drive POA&M closure.
• Own continuous monitoring: vulnerability & patch management (ACAS/Nessus, SCAP, STIGs), log analysis (Splunk), account management, media control, incident response, and annual self-inspection.
• Shape early program decisions: embed with PMO to define security requirements, provide secure-by-design input, and influence contract CDRLs.
• Develop people & process: coach ISSOs/ISSEs, refine SOPs, track metrics, and present status to senior leadership and customers.
• Interface with external stakeholders: act as the single voice to DCSA, SAPCO, and other Cognizant Security Agencies for all cybersecurity matters.

Requirements

• Degree in Science, Technology, Engineering, or Mathematics (STEM) or information technology.
• Minimum of 5 years of prior relevant experience in DoD/IC Cybersecurity as ISSM or IAM-III equivalent (CISSP, CISM, GSLC).
• Proven delivery of ATO for SAP or SCI systems; prior Enterprise ISSM experience.
• Hands-on experience with SCAP, STIG Viewer, DISA SRGs, and SIEM/Vulnerability Tools (e.g., Splunk, Nessus).
• Experience executing DISA STIG/SRG hardening across Linux and Windows.
• Active and transferable Top Secret/SCI U.S. government-issued security clearance required prior to start date, with the ability to obtain a polygraph after start.

Preferred Qualifications

• Master’s degree in Cybersecurity, Computer Science, or related engineering field.
• CISSP-ISSEP, ISSMP, or PMP certification.
• Expert knowledge of NISPOM (32 CFR 117), JSIG, RMF (NIST 800-37/-53), ICD-503, and DAAPM, including oversight/execution of A&A processes.
• Experience with DevSecOps pipelines, Zero Trust architecture, and Identity Access Management.

Benefits

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan with employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option.
• Tuition reimbursement and Student Loan Repayment Program.
• Life insurance and disability coverage.
• Optional coverages: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection.
• Birth, adoption, and parental leave benefits.
• Ovia Health (fertility and family planning), Adoption Assistance, Autism Benefit.
• Employee Assistance Plan (up to 10 free counseling sessions).
• Wellness programs: Healthy You Incentives, wellness rewards, Doctor on Demand (virtual doctor visits), Bright Horizons (child and elder care), Teladoc Medical Experts (second opinion).
• Eligible for relocation assistance.

Pay

The salary range for this role is $95,500 – $181,700 USD. The range is representative of all experience levels, and RTX considers factors such as role, function, responsibilities, work experience, location, education/training, and key skills when extending an offer.