Senior Specialist, Cyber Intelligence (ISSO)

L3Harris is seeking an Information System Security Officer (ISSO) to support the Space Superiority & Imaging division’s customers and programs. The ISSO will perform information system security activities on assigned information systems. The ISSO will be knowledgeable in information technology and information assurance standards and regulations. Essential Functions: Perform security control assessments and continuous monitoring Conduct configuration and vulnerability scanning and remediation Author and maintain documentation and artifacts (body of evidence) in support of the Assessment and Authorization (A&A) of information systems following the National Institute of Standards and Technology (NIST) Risk Management Framework (RMF). Remediate security control deficiencies Assess and approve change requests for assigned information systems Perform user training and user account management oversight Investigate and respond to security incidents and violations. Qualifications: Bachelor’s Degree and minimum 6 years of prior relevant experience, or Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Active Top Secret/SCI security clearance. Preferred Additional Skills: DoD 8570 IATII/IAM I certification. Experience as an ISSO supporting classified systems under the JSIG, ICD 503, and/or 32 CFR Part 117 Section 18. Experience with automate security scanners such as ACAS, NESSUS, SCAP, and Evaluate STIG. Experience supporting virtual environments and/or cloud-based environments. Experience performing RMF A&A activities and system accreditation. Experience conducting information system inspections and vulnerability assessments. Experience developing Plans of Action & Milestones (POA&M) to document and mitigated security control deficiencies. Experience hardening information systems and/or performing configuration/vulnerability assessments against the DISA STIG standards. Experience auditing information system and user activity using SIEM tools like Splunk, and/or Log Insight. Experience utilizing command line interfaces (CLI) and Linux/Unix commands to operate/support systems. In compliance with pay transparency requirements, the salary range for this role in Colorado state 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. The application window for this requisition is anticipated to close August 31, 2026. LI-KB1 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 or Spanish . For information regarding your Right To Work, please click here for English or Spanish .aa415a4b-8b21-40fc-a65c-70d2b25ca29a