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Isso In Jobs in California (NOW HIRING)

Arete Associates

Cyber Security Analyst/ISSO

Northridge, CA · On-site

$80K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Perform duties as ISSO in accordance with JSIG, RMF, and NIST 800-53. * Develop, maintain, and update security authorization documentation including System Security Plans (SSPs), Plan of Actions and ...

L3HHCM20

Specialist, Cyber Intelligence

Rancho Cordova, CA · On-site

$92K - $171K/yr

  • Medical

  • Retirement

  • PTO

The ISSO plays an active role in monitoring the system(s) and environment of operation, managing, and controlling changes to the system, and assessing the security impact of those changes to further ...

Piper Companies

ISSO

Edwards, CA · On-site

$100K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As an ISSO, you will play a critical role in ensuring the security and compliance of the customer's critical systems. If you have a strong background in information security, compliance, and ...

L3HHCM20

$92K - $171K/yr

  • Medical

  • Retirement

  • PTO

The ISSO plays an active role in monitoring the system(s) and environment of operation, managing, and controlling changes to the system, and assessing the security impact of those changes to further ...

L3Harris

Specialist, Cyber Intelligence

Sacramento, CA · On-site

$92K - $171K/yr

  • Medical

  • Retirement

  • PTO

The ISSO plays an active role in monitoring the system(s) and environment of operation, managing, and controlling changes to the system, and assessing the security impact of those changes to further ...

Harris Corporation

Specialist, Cyber Intelligence

Los Angeles, CA · On-site

$92K - $171K/yr

  • Medical

  • Retirement

  • PTO

The ISSO plays an active role in monitoring the system(s) and environment of operation, managing, and controlling changes to the system, and assessing the security impact of those changes to further ...

New

L3Harris

Specialist, Cyber Intelligence

Canoga Park, CA · On-site

$92K - $171K/yr

  • Medical

  • Retirement

  • PTO

The ISSO plays an active role in monitoring the system(s) and environment of operation, managing, and controlling changes to the system, and assessing the security impact of those changes to further ...

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Infographic showing various Isso In job openings in California as of August 2026, with employment types broken down into 89% Full Time, and 11% Contract. Highlights an 100% In-person job distribution.

Journeyman Information Systems Security Officer (ISSO)

Saalex

Camarillo, CA

$120K - $145K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

Job description

Saalex is seeking a Journeyman Information Systems Security Officer (ISSO) in Camarillo/Naval Air Station Point Mugu, CA to support cybersecurity, Risk Management Framework (RMF), and Certification & Accreditation (C&A) activities. The selected candidate will support system authorization efforts, maintain cybersecurity documentation, implement information assurance requirements, and help ensure systems maintain Authority to Operate (ATO) status in compliance with DoD requirements.

Position Type: Full-Time

Salary: $120k - $145k annually (depending on experience)

Work Location: Onsite - NAS Point Mugu, CA

Essential Functions:

  • Support Certification & Accreditation (C&A) and RMF activities for assigned systems.
  • Prepare, update, and maintain RMF documentation and security artifacts.
  • Support Authority to Operate (ATO) efforts and continuous monitoring requirements.
  • Assist with implementation and maintenance of security controls.
  • Ensure compliance with cybersecurity policies, procedures, and RMF requirements.
  • Support security assessments, remediation activities, and documentation updates.
  • Assist with security reviews of technical documentation and system changes.
  • Provide cybersecurity and security awareness training to system users.
  • Coordinate cybersecurity activities with system owners, administrators, engineers, and stakeholders.
  • Maintain current knowledge of emerging cybersecurity requirements and technologies.
  • Support configuration management and documentation control efforts.
  • Conduct technical research and information gathering activities as required.
  • Other duties as assigned or required.

Requirements

Required:

  • Minimum of 5 years of experience supporting Information Assurance (IA), RMF, cybersecurity, Certification & Accreditation (C&A), or related cybersecurity activities.
  • Must hold one of the following certifications:
    • CISSP
    • CASP+
    • CompTIA Security+
    • CEH
    • Equivalent DoD 8140/8570-compliant Information Assurance certification
  • Working knowledge of NIST Risk Management Framework (RMF) and system authorization concepts.
  • Experience supporting security documentation, security controls, continuous monitoring, or accreditation activities.
  • Familiarity with Windows, UNIX/Linux, networking, and enterprise computing environments.
  • Ability to interpret and apply cybersecurity policies, procedures, and compliance requirements.

Desired:

  • Experience developing RMF authorization packages.
  • Experience supporting Navy, NAVAIR, or other DoD programs.
  • Experience serving as an ISSO, IAO, or cybersecurity compliance specialist.\
  • Familiarity with eMASS and DoD cybersecurity tools.

Education:

High School Diploma or GED required. Additional technical education or cybersecurity-related coursework preferred.

Security Clearance:

Active Top Secret clearance required with the ability to obtain Special Access Program (SAP) access. Requirements to obtain a clearance include US Citizenship, security investigation, etc.

Benefits

  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k, IRA)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off (Vacation, Sick & Public Holidays)
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Resources
  • Stock Option Plan

Apply