Senior Specialist, Cyber Infrastructure Systems Engineer; Systems Administrator

Senior Specialist, Cyber Infrastructure Systems Engineer (Systems Administrator)

L3

Harris 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. L3

Harris 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.

L3

Harris 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.

We are seeking a Systems Administrator to support the administration, automation, and sustainment of enterprise Linux-based infrastructure and platform environments. This role is intended for a mid-to-senior level professional who can work with limited oversight, support complex system environments, and contribute to modernization efforts across virtualized and containerized platforms.

The ideal candidate will bring strong experience in Red Hat Enterprise Linux
, automation, container orchestration, cybersecurity compliance, and Agile execution in a SAFe environment
. This individual will play a key role in maintaining secure, reliable, and scalable infrastructure supporting mission-critical operations.

• Experience administering, maintaining, and troubleshooting Red Hat Enterprise Linux systems in a production enterprise environment, including system configuration, patching, performance tuning, and issue resolution.
• Hands-on experience supporting virtualized infrastructure using VMware and/or container platform environments using Open Shift, including deployment, configuration, and ongoing system sustainment.
• Experience using Ansible for automation of system administration tasks, configuration management, application deployment, patching, and repeatable infrastructure support activities.
• Working knowledge of Kubernetes architecture and experience supporting containerized applications, cluster operations, workload deployments, and platform troubleshooting.
• Experience operating within a SAFe Agile framework, including participation in team ceremonies, sprint planning, backlog refinement, and delivery of work in an iterative development environment.

• Bachelor’s Degree with a minimum of 6 years of relevant experience, or Graduate Degree with a minimum of 4 years of relevant experience, or in lieu of a degree, a minimum of 10 years of prior related experience.
• Clearance:
  Top Secret SCI preferred. SCI eligible at minimum.
• DoD 8570.01-M IAT Level 2 Required Professional
  
  Certifications:
  
  Security+ CE, or higher certification

• Red Hat Certified System Administrator certification demonstrating foundational expertise in Red Hat system administration and enterprise Linux support.
• Experience using Red Hat Satellite for system provisioning, patch management, software lifecycle management, content management, and host administration across enterprise environments.
• CKA certification or equivalent demonstrated experience supporting Kubernetes-based environments and container orchestration best practices.
• Experience using Splunk for log aggregation, system monitoring, operational visibility, troubleshooting, and identification of system or security-related events.
• Familiarity with JIRA for work tracking, Git Hub for version control and…