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Specialist, Cyber Intelligence

L3Harris

San Diego, CAJob$93–172K/yrSeen 5 days agoSeen in employer's feed 5 days ago

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At a glance

Compensation
$93–172K/yr
Location
San Diego, CA
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

DoD 8140 Baseline Certification Or Security+TS/SCI clearance

Job overview

L3Harris seeks an experienced Information System Security Officer to support cybersecurity, compliance, and operational oversight of classified information systems across programs and facilities. The role works with the ISSM on authorization, continuous monitoring, regulatory compliance, and customer engagement. It supports classified systems operating under the Risk Management Framework and requires an active TS/SCI-eligible clearance on day one.

Skills & qualifications

RequiredNice to have

Skills

Cybersecurity ComplianceRisk Management FrameworkSystem AuthorizationContinuous MonitoringSecurity DocumentationCybersecurity GuidanceNIST RequirementsDoD RequirementsDCSA RequirementsSecurity InspectionsSecurity AuditsSecurity AssessmentsCompTIA Security+CISSPCISMJSIGeMASSInterconnected SystemsNIST SP 800-53STIGsSCAPVulnerability ManagementMicrosoft WindowsRed Hat Enterprise LinuxActive DirectoryVirtualizationEnterprise LoggingEndpoint SecurityPrioritizationAttention to Detail

Qualifications

Bachelor's Degree or 8 Years ExperienceGraduate Degree or 2 Years ExperienceActive TS/SCI Clearance4+ Years Cybersecurity Experience4+ Years RMF Experience4+ Years Authorization Experience4+ Years ISSO Experience4+ Years Cybersecurity Guidance Experience4+ Years Regulatory Requirements Experience4+ Years Security Assessment ExperienceDoD 8140 Baseline Certification or Security+U.S. Citizenship

Benefits

Medical Insurance
401(k) Match
Tuition Assistance
Parental Leave
Paid Time Off

Full job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Specialist, Cyber Intelligence

Job Code: 45759

Job Location : San Diego, CA

Job Schedule: 9/80- Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off

Job Description:

L3Harris is seeking an experienced Information System Security Officer (ISSO) to support cybersecurity, compliance, and operational oversight of classified information systems across multiple programs and facilities. This position works closely with the Information System Security Manager (ISSM) to support Assessment and Authorization (A&A) activities, continuous monitoring, regulatory compliance, and customer engagement efforts. The ideal candidate is organized, self-motivated, and capable of managing multiple priorities in a fast-paced classified environment.

Essential Functions:

  • Administer and maintain cybersecurity compliance for classified information systems operating under the Risk Management Framework (RMF).

  • Support Assessment and Authorization (A&A) activities including development and maintenance of System Security Plans (SSPs), authorization packages, security assessments, continuous monitoring activities, and Plan of Action and Milestones (POA&M) management.

  • Perform security control implementation reviews, vulnerability assessments, risk evaluations, and compliance validation activities in accordance with applicable government requirements.

  • Develop, review, and maintain cybersecurity documentation including hardware and software inventories, network diagrams, security procedures, configuration management documentation, and system accreditation artifacts.

  • Manage assigned programs and information systems while ensuring compliance with contractual, customer, and regulatory requirements.

  • Coordinate with government customers, Defense Counterintelligence and Security Agency (DCSA) representatives, Security Control Assessors (SCAs), Authorizing Officials (AOs), program management, engineering teams, and facility security personnel.

  • Support security inspections, customer assessments, accreditation reviews, vulnerability remediation efforts, and compliance audits.

  • Evaluate proposed system changes, architecture modifications, software installations, and engineering activities for security impact and compliance implications.

  • Conduct account management reviews, audit log reviews, media accountability activities, and continuous monitoring activities.

  • Provide guidance to program teams regarding cybersecurity requirements, authorization processes, and regulatory compliance obligations.

  • Support the Information System Security Manager (ISSM) in execution of cybersecurity program objectives and serve as a backup representative when required.

  • Travel up to 10% in support of customer meetings, inspections, audits, and program activities.

  • Ability to obtain and maintain a Top Secret security clearance with Sensitive Compartmented Information (SCI) eligibility as required by assigned programs.

Qualifications:

  • Bachelor’s Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.

  • Active Top Secret security clearance with Sensitive Compartmented Information (TS/SCI) eligibility on Day One.

  • Minimum of 4 years of experience supporting cybersecurity, information assurance, or information system security activities within Department of Defense (DoD), Intelligence Community (IC), or other classified computing environments.

  • Minimum of 4 years of experience implementing and maintaining information systems operating under the Risk Management Framework (RMF).

  • Minimum of 4 years of experience supporting system authorization activities, including development and maintenance of authorization packages, security documentation, continuous monitoring activities, and Plan of Action and Milestones (POA&M) management.

  • Minimum of 4 years of experience serving as a cybersecurity representative or ISSO supporting one or more classified information systems, programs, or facilities.

  • Minimum of 4 years of experience providing cybersecurity guidance and compliance support to program management, engineering, and technical teams.

  • Minimum of 4 years of experience interpreting and applying National Institute of Standards and Technology (NIST), Department of Defense (DoD), Defense Counterintelligence and Security Agency (DCSA), and customer cybersecurity requirements within operational environments.

  • Minimum of 4 years of experience supporting security inspections, audits, assessments, and accreditation activities involving government customers and regulatory organizations.

  • Current CompTIA Security+ certification, or equivalent Department of Defense (DoD) 8140 compliant baseline certification, at the time of hire.

Preferred Additional Skills:

  • Certified Information Systems Security Professional (CISSP) or Certified Information Security Manager (CISM) certification.

  • Working knowledge of the Joint Special Access Program (SAP) Implementation Guide (JSIG).

  • Experience utilizing Enterprise Mission Assurance Support Service (eMASS) to develop, manage, and maintain Assessment and Authorization (A&A) packages and continuous monitoring activities.

  • Experience interacting with Defense Counterintelligence and Security Agency (DCSA) Information System Security Professionals (ISSPs), Security Control Assessors (SCAs), Authorizing Officials (AOs), government cybersecurity representatives, and customer security organizations.

  • Experience supporting authorization efforts involving interconnected systems, enclaves, or classified networks.

  • Experience supporting multiple classified systems, facilities, or contracts.

  • Knowledge of National Institute of Standards and Technology (NIST) Special Publication 800-53 Revision 5 security controls, Security Technical Implementation Guides (STIGs), Security Content Automation Protocol (SCAP) compliance validation, and vulnerability management processes.

  • Experience with Microsoft Windows, Red Hat Enterprise Linux (RHEL), Active Directory, virtualization technologies, enterprise logging solutions, and endpoint security platforms

  • Demonstrated ability to manage multiple classified systems, priorities, and regulatory requirements with limited supervision.

  • Demonstrated ability to organize, prioritize, and execute cybersecurity compliance efforts while maintaining strong attention to detail.

In compliance with pay transparency requirements, the salary range for this role in California, Connecticut,

Massachusetts, New Jersey, Washington, and the Greater D.C. area, Denver, or NYC areas is $92,500-

$171,500. This is not a guarantee

of compensation or salary, as final offer amount may vary based on factors including but not limited to

experience and geographic location. L3Harris also offers a variety of benefits, including health and disability

insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off,

and company-paid holidays. The specific programs and options available to an employee may vary depending

on date of hire, schedule type, and the applicability of collective bargaining agreements.

#LI-EB1

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) or Spanish (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) . For information regarding your Right To Work, please click here for English (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRights\_10\_20.pdf) or Spanish (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRightsSp\_10\_20.pdf) .

How this job compares

Set against the 2,986 open Cybersecurity jobs on Olive Jobs, counted October 27, 2026.

Pay
  • This posting$93–172K/yr
  • California median$135–246K/yr220 salary ranges
  • US median$133–210K/yr2,362 salary ranges

This range's midpoint, $132K, is 33% below the California median midpoint ($197K) — in the lowest quarter of Cybersecurity salary ranges in California.

Openings
Olive Jobs lists 244 open Cybersecurity jobs in California and 2,986 across the US. 4% of them nationwide are listed as remote or flexible.
Hiring the most in California
Experience
This posting asks for at least 4 years of experience; Cybersecurity postings that state a minimum ask for 6 years at the median (2,606 postings).
Education
1,573 of the 2,986 open Cybersecurity jobs (53%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 27, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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