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Information System Security Officer; ISSO

Job in San Diego, San Diego County, California, 92189, USA
Listing for: G2 Ops, Inc.
Full Time position
Listed on 2026-10-16
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection
Salary/Wage Range or Industry Benchmark: 110000 - 135000 USD Yearly USD 110000.00 135000.00 YEAR
Job Description & How to Apply Below
Position: Information System Security Officer (ISSO)
  • Location:
    San Diego, CA
    at our G2 Ops office.
  • Work Setting: In Office with Flexible Schedule Available Based on Program Requirements
  • Salary Range: $110,000-$135,000 plus comprehensive benefits package.
  • Years of Industry

    Experience:

    3+ years of relevant experience.
  • Security Clearance Requirement: Must have and maintain an Active DoD Secret Clearance at start and be able to obtain and maintain a TS/SCI Clearance.
About the Role

G2 Ops supports mission-critical defense and technology initiatives by solving complex operational and engineering challenges. We are seeking a motivated, collaborative Information Systems Security Officer (ISSO) to support the PMW 770 program and cybersecurity activities for cloud-based and classified information systems.

In this role, you’ll contribute to information assurance, cybersecurity, Risk Management Framework (RMF), and Assessment & Authorization (A&A) efforts while working alongside a team that values innovation, technical excellence, and continuous growth.

What You’ll Do
  • Support all aspects of program Information Assurance (IA) and cybersecurity processes for cloud-based and classified information systems.
  • Support Risk Management Framework (RMF) and Assessment & Authorization (A&A) activities required to achieve and maintain Authority to Operate (ATO) approvals.
  • Prepare, review, and maintain cybersecurity process artifacts and traceability documentation supporting security compliance requirements.
  • Evaluate security solutions and system configurations to verify compliance with security requirements for processing classified information.
  • Support the implementation, assessment, and maintenance of applicable security controls.
  • Monitor and help maintain the operational security posture of assigned information systems and programs.
  • Apply applicable DoD cybersecurity policies, standards, and guidance throughout system authorization and operational activities.
  • Collaborate with engineering, cybersecurity, test and evaluation, Security Control Assessor, program, and customer stakeholders to resolve security issues and maintain authorization requirements.
What You’ll Bring

Required Qualifications

  • Bachelor’s degree in a technical or managerial-related discipline and 2+ years of experience in a security-related field; a high school diploma or equivalent may be accepted with four additional years of relevant experience.
  • 3+ years of relevant industry experience.
  • Working knowledge of the Risk Management Framework (RMF).
  • Experience supporting cybersecurity, Information Assurance, engineering, Test & Evaluation (T&E), Security Control Assessor (SCA), Certification & Accreditation (C&A), and/or Assessment & Authorization (A&A) activities.
  • Familiarity with security policies and guidance used to prepare and maintain documentation supporting Authority to Operate (ATO) requirements.
  • Ability to evaluate security solutions and maintain the operational security posture of an information system or program.
  • Strong communication and collaboration skills.
  • Ability to work effectively in a team-oriented environment.
  • IAT/IAM Level I certification, such as Security+.
  • Active DoD Secret Clearance at start and ability to obtain and maintain a TS/SCI Clearance.
Preferred Qualifications
  • Experience supporting DoD or government programs.
  • Experience supporting cloud-based systems in classified or mission-critical environments.
  • Familiarity with DoD cybersecurity requirements and authorization processes.
  • Experience working in cross-functional or customer-facing environments.
Additional Considerations
  • This is a full-time position supporting mission-focused customer environments
  • Outside employment or activities must not create conflicts of interest with company or customer responsibilities
Why G2 Ops?

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