Lead, Systems Administrator
- Location
- Patrick Air Force Base, FL, US
- Work mode
- On-site
- Employment type
- Full-time
About the job
Job Title: Lead, Systems Administrator Job Code: 45372 Job Location: Melbourne, FL or Patrick SFB Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked (Every Other Friday Off)
Job Description:
We are seeking a skilled and experienced Cyber Infrastructure Systems Engineer (Systems Administrator) to join our Melbourne, Florida team. The role requires a highly skilled technical professional with a TS/SCI clearance and a strong foundation in cybersecurity, cloud engineering, and systems administration. The individual serves as a key contributor in the design, deployment, and sustainment of complex mission systems running in AWS GovCloud and C2S environments. With hands-on experience configuring, monitoring, maintaining, and troubleshooting Red Hat and CentOS Linux systems, this engineer brings both operational expertise and a developer’s mindset to automation, optimization, and problem-solving.
Essential Functions:
- Administer, configure, monitor, and troubleshoot Red Hat/CentOS Linux systems in secure, mission-focused environments
- Deploy and manage AWS GovCloud/C2S cloud infrastructure with automation tools and virtualization technologies.
- Operate as an AWS Cloud Systems Administrator with experience supporting and maintaining JBoss-based services.
- Implement and sustain system hardening measures using applicable DoD security standards, STIGs, and organizational cybersecurity policies.
- Perform vulnerability identification and remediation activities to support compliance with RMF controls, POA&M tracking, and audit readiness efforts.
- Monitor system performance, availability, and operational health to ensure reliability and continuity of mission systems.
- Troubleshoot and resolve software, operating system, and access-related issues while adhering to established security procedures.
- Maintain accurate system configurations, change records, and technical documentation to support configuration management and compliance inspections.
- Coordinate with cybersecurity, network, and program teams to support accreditation activities, incident response, and secure system operations in classified or controlled environments.
- Local travel from L3Harris to Patrick SFB (AFTAC) as needed.
Qualifications:
- Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
- Top Secret/SCI Clearance
- DoD 8570.01-M IAT Level 2 Required Professional Certifications: CCNA- Security, Security+ CE, or higher certification
Preferred Additional Skills:
- Experience with PKI and/or OAuth authentication models.
- Experience Integrating, securing, and administering cross-domain systems.
- Experience Integrating, securing, and administering microservices, containers (i.e., docker)
#LI-ZB2
From L3harris Technologies, Inc.'s careers page (Company careers page), checked 30 Oct 2026.
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Posted 29 Oct 2026 · checked 30 Oct 2026 · Report this job