Specialist, Cyber Infrastructure Systems Engineer (Systems Administrator) 1

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.

We are seeking a skilled and experienced Cyber Infrastructure Systems Engineer (CISE) to join our Colorado Springs, CO team. This role requires an experienced system administrator to support mission-critical systems and infrastructure in a secure environment. The ideal candidate will have deep experience administering complex enterprise systems, maintaining secure AWS infrastructure, supporting cybersecurity compliance, and enabling modern development and CI/CD platform operations. This role requires strong technical expertise in Red Hat Enterprise Linux (RHEL), AWS technologies, platform engineering, and secure systems administration practices.

Responsibilities

• Deploy, manage, and optimize AWS cloud infrastructure supporting mission and business applications.
• Utilize cloud technologies such as Amazon Web Service (AWS) Amazon Machine Images (AMI)
• Support and maintain CI/CD pipeline platforms to enable secure and efficient software delivery.
• Collaborate with software development, DevSecOps, and cybersecurity teams to integrate infrastructure and platform services.
• Automate system administration tasks using scripting and infrastructure-as-code approaches where applicable.
• Utilize virtualization technologies such as KVM, VMware, vSphere/vCenter, and microservices/containers (e.g., OpenShift, Docker) to enhance system functionality and efficiency.
• Implement and maintain security controls in compliance with DoD security frameworks and RMF requirements, integrating RMF principles into ground-up builds and ongoing security administration.

Qualifications

Bachelor’s Degree with a minimum of 4 years of relevant experience