Senior Cyber Intelligence Specialist, ISSO/CPSO

L3Harris Technologies

. Provide on-site ISSO support for classified systems, including account management, compliance activities, auditing, and secure system operations .

Posted 10/20/2026full-timePalm Bay • Florida • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing and securing classified information systems, including compliance with government security requirements and performing vulnerability assessments. Proficient in Windows and Redhat Linux administration, as well as implementing security measures such as BitLocker encryption and STIG hardening.

Highest-signal resume keywords

Windows Operating System AdministrationSIPR Connectivity ManagementNessus Vulnerability ScanningSplunk SIEM Log AnalysisRMF Documentation Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Windows Operating System AdministrationRedhat LinuxSIPR ConnectivityNessus Vulnerability ScanningSplunk SIEMMicrosoft BitLocker EncryptionSTIG HardeningRMF DocumentationGroup Policy Objects ManagementEvaluateSTIG Compliance Scanning

Soft Skills

CommunicationCollaborationProblem-SolvingAttention to DetailLeadership

Tools & Technologies

SplunkNessusMicrosoft BitLockerEvaluateSTIGDISSJADE

Certifications & Qualifications

Security CertificationIndustrial Security CertificationCybersecurity Certification

Industry Keywords

Information Systems SecurityClassified SystemsCompliance ActivitiesAudit SupportPersonnel Security ClearancesGovernment Security RequirementsClassified Document AccountabilitySecure Material DestructionInsider ThreatsFacility Accreditation

Tech Stack

Tools & technologies

Cyber SecurityLinuxPugSplunk

About the role

Key responsibilities & impact

Provide on-site ISSO support for classified systems, including account management, compliance activities, auditing, and secure system operations
Establish and maintain SIPR connectivity
Troubleshoot Windows operating system and application issues to minimize downtime and maintain secure operations
Perform RMF continuous monitoring tasks
Support audits, inspections, and assessments
Manage and configure Group Policy Objects (GPOs) for security and compliance
Implement and support Microsoft BitLocker encryption
Perform system log analysis using Splunk for diagnostics, audit support, and security reviews
Manage user accounts and access controls according to approved security policies and least privilege principles
Support Nessus vulnerability scanning and analysis, including identifying, assessing, and assisting with remediation of security risks
Develop and maintain system documentation, user guides, and standard operating procedures
Manage software license inventories, track expiration dates, and coordinate renewals
Process personnel security clearances
Ensure secure facilities meet government standards
Implement government, customer, and company security requirements
Verify clearance eligibility, coordinate program access and indoctrinations, conduct debriefings, and maintain access records
Oversee secure facilities, access controls, inspections, and facility accreditation documentation
Manage the receipt, storage, transmission, reproduction, accountability, and destruction of classified material
Provide initial and recurring security briefings on classification, reporting obligations, insider threats, and program-specific requirements
Receive and document security concerns, coordinate investigations, and report incidents through required channels
Conduct self-inspections, maintain security procedures and records, and track corrective actions
Serve as a security liaison with government representatives, program leadership, subcontractors, and internal security teams
Coordinate visit authorizations and security arrangements for classified meetings
Work with the ISSM/ISSO to support program cybersecurity and classified-system requirements

Requirements

What you’ll need

Bachelor’s degree with 6+ years of experience in security, information systems security, industrial security, or a related field; or a graduate degree with 4+ years of related experience; or 8+ years of related experience in lieu of a degree
Strong experience administering Windows operating systems in secure or regulated environments, including virtualized systems
Experience establishing and maintaining SIPR connectivity
Experience with Redhat Linux
Experience with DISS & JADE
Experience applying STIG hardening measures
Experience implementing and supporting Microsoft BitLocker encryption
Experience developing and maintaining RMF documentation, including SSPs, POA&Ms, user guides, and SOPs
Experience using EvaluateSTIG for compliance scanning and remediation
Experience performing Nessus vulnerability scanning, analysis, and remediation support
Experience using Splunk SIEM for log analysis, audits, and security reviews
Ability to process personnel security clearances and support classified information systems and operations
Ability to meet U.S. Government/customer security requirements
Relevant security, industrial security, or cybersecurity certifications are highly desirable
Familiarity with SAP administration, classified area management, and customer inspections is preferred
Experience with classified document accountability, media control, and secure material destruction procedures is preferred

Benefits

Comp & perks

9/80 work schedule with every other Friday off
Reasonable accommodation for individuals with disabilities