L3Harris Technologies · 10 hours ago
Specialist, Information System Security (ISSO)
L3Harris Technologies is a leader in the defense industry, focused on providing end-to-end technology solutions for national security. The Information System Security Officer (ISSO) will support the Space Superiority & Imaging division by performing security assessments, monitoring information systems, and ensuring compliance with information assurance standards.
CommercialInformation TechnologyNational Security
Responsibilities
Perform Continuous Monitoring of assigned information systems to include user activity monitoring (auditing) using SIEM tools or the native audit reduction capability of the operating system
Conduct security control assessments
Initiate, review, and remediate vulnerability and compliance scans using industry approved scanning tools (Nessus, ACAS)
Review and assess the configuration settings of assigned information systems against the DISA STIG configuration standards
Developing and updating documentation in support of obtaining or maintaining an Authority to Operate (ATO) for assigned information systems
Attend Change Control Boards (CCB) to review and approved information system change requests
Conduct and monitor security awareness training for information system users
Respond to, and investigate, security incidents and violations
Qualification
Required
Active Secret security clearance
Bachelor's Degree and minimum 4 years of prior relevant experience, or 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
Preferred
DoD 8570 IAM III certification
Experience as an ISSO/ISSM supporting classified systems under the JSIG, ICD 503, and/or 32 CFR Part 117 Section 18
Experience as an ISSO/ISSM supporting NIPRNet and/or SIPRNet systems
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
Experience scanning information systems using Nessus and/or ACAS
Experience with A&A databases like eMASS and/or Xacta
Experience performing RMF A&A activities and system accreditation
Experience developing policies and procedures to implement security controls and customer requirements
Experience developing Plans of Action & Milestones (POA&M) to document and mitigate security control deficiencies
Benefits
Health and disability insurance
401(k) match
Flexible spending accounts
EAP
Education assistance
Parental leave
Paid time off
Company-paid holidays
Company
L3Harris Technologies
L3Harris Technologies provides platform management system solutions for armed forces.
Funding
Current Stage
Public CompanyTotal Funding
$2.25B2024-03-27Post Ipo Debt· $2.25B
1978-01-13IPO
Leadership Team
Recent News
2026-01-14
2026-01-11
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