About the role
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 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 compl…
