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Information System Security Manager; Clearance Required

Job in Irvine, Orange County, California, 92713, USA
Listing for: Turion Space
Full Time position
Listed on 2026-01-11
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 170000 - 220000 USD Yearly USD 170000.00 220000.00 YEAR
Job Description & How to Apply Below
Position: Information System Security Manager (Active Clearance Required)

Summary

You will stand at the very center of our next-generation security and compliance program. As the ISSM, you own the cybersecurity posture of our classified cloud enterprise, drive RMF/CSRM excellence, and aggressively automate accreditation and monitoring to deliver continuous ATO at scale, setting the gold standard for how we protect national security missions.

Key Responsibilities
  • Integrate security best practices into Turion’s Software Development Lifecycle (SDLC) and infrastructure design, collaborating with internal IT and engineering teams
  • Conduct security risk assessments, vulnerability assessments, and audits to identify and mitigate threats
  • Maintain and update System Security Plans (SSPs), POA&Ms, and other accreditation documentation
  • Oversee Authorization and Accreditation (A&A) processes to obtain/maintain system Authority to Operate (ATO)
  • Lead incident response efforts, including investigation, root cause analysis, containment, and reporting
  • Conduct regular audits, continuous monitoring, and risk assessments to ensure ongoing compliance and system resilience
  • Collaborate with government security officials, stakeholders, and teams to address security gaps and improve controls
  • Provide leadership and mentorship to security team members, fostering a culture of cybersecurity excellence
  • Tailor NIST 800-53 controls to determine applicability to the network environment and oversee the implementation of Continuous Monitoring for respective programs
Minimum Qualifications
  • Active Top Secret/SCI clearance;
    Polygraph eligibility required
  • 5+ years of experience in information systems security management
  • Bachelor’s degree in Cybersecurity, IT, or related field
  • DoD 8140 compliant at IAM Level III (e.g. CISSP, CISM, GSLC)
  • Prior service as alternate/acting ISSM on IC or DoW programs
  • Expertise in full lifecycle RMF execution
  • Experience developing ATO packages
  • Experience developing, maintaining, and updating SSPs, POA&Ms, and other accreditation documentation
  • Expertise in eMASS
  • Experience implementing policy-as-code (OPA, Sentinel, Conftest) and automated compliance validation
  • Experience with continuous monitoring and automated evidence generation
Preferred Qualifications
  • Masters degree is Cybersecurity, IT, or related field
  • 3+ years experience with DoD classified cloud environments (AWS Gov Cloud, Azure Government, C2S, etc)
  • Experience automating full ATO packages via custom tools or Xacta 360
  • Familiarity with RSA Archer or Service Now GRC automation
  • Experience in CSRMC execution
  • Experience with tools like Tenable/Nessus and Splunk/Elastic for automated scanning and CSRMC feeds

Compensation: $170,000-$220,000

ITAR Requirements

This position may include access to technology and/or software source code that is subject to U.S. export controls. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

Benefits
  • Equity:
    Receive equity in Turion Space, letting you benefit from the company's success
  • Health Insurance:
    Comprehensive medical, dental, and vision coverage for employees and their dependents.
  • Retirement Plans:
    Access to a 401(k) plan to help you plan for your future.
  • Paid Time Off:
    Generous vacation days, personal days, sick days, and holidays to ensure you have time to recharge.
  • Professional Development:
    Opportunities for ongoing training, workshops, and courses to advance your skills and career growth.
  • Team Building

    Activities:

    Regular social events, team outings, and company-sponsored activities to foster a positive work environment.

We are dedicated to providing a supportive and enriching environment for our team members, recognizing that our collective success is built upon the well-being and satisfaction of each individual.

Equal Opportunity Employer

Turion Space is an Equal Opportunity Employer; employment with Turion Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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