System Administrator (Linux & Windows) with Security Clearance

L3Harris Technologies is a global aerospace and defense technology company known for its innovative solutions and commitment to excellence. Headquartered in Melbourne, Florida, L3Harris serves customers in more than 100 countries and operates in multiple domains, including aviation, defense, space, and telecommunications. The company is a leader in delivering mission-critical technologies and services that help government and commercial customers address their most complex challenges. With a strong emphasis on research and development, L3Harris fosters a collaborative environment where technology and innovation drive performance and growth.

The position of System Administrator at L3Harris is based in Waco, TX and requires a 100% onsite presence, reflecting the company’s commitment to a hands-on and collaborative IT environment. This role is offered as a 12+ months contract with the opportunity to transition to a permanent position, providing stability and career growth potential. The work schedule is a 9/80 setup with an 8:00 AM start, allowing for an extended weekend every other week. Compensation is competitive, with pay rates up to $70 per hour on a W2 basis, reflecting the specialized skills and experience required.

The System Administrator will be a critical member of the IT team, responsible for the deployment, securing, maintenance, and support of Linux and Windows workstations utilized by engineering and technical teams. The role demands expertise in workstation administration, virtualization, endpoint security, software deployment, automation, and troubleshooting within enterprise environments. Specific responsibilities include supporting Red Hat Enterprise Linux (RHEL), CentOS, Rocky Linux, Windows 10, and Windows 11 platforms, as well as managing Proxmox virtualization environments. Additionally, the role involves supporting key development and collaboration platforms such as Atlassian Jira, Bitbucket, and Jenkins.

A significant aspect of the position includes managing user accounts, authentication, permissions, and integrating these with Active Directory, LDAP, and Single Sign-On (SSO) systems. The System Administrator will also troubleshoot hardware, operating system, network, application, and performance issues to ensure seamless IT operations. Endpoint security is a major focus, encompassing encryption, antivirus solutions, logging, compliance monitoring, and vulnerability remediation to protect the organization’s digital assets.

Automation and efficiency are emphasized through scripting using Bash, PowerShell, Python, or similar languages to handle repetitive system administration tasks. Furthermore, the System Administrator will deploy software packages and developer tools necessary for the engineering teams. Maintaining comprehensive technical documentation and workstation standards is essential for consistency and compliance.

Collaboration is key in this role, as the System Administrator will work closely with Engineering, DevOps, Cybersecurity, and IT teams to address system challenges and enhance overall reliability. The position is ideal for candidates who thrive in dynamic, mission-focused environments and possess strong problem-solving skills and technical proficiency in diverse operating systems and enterprise platforms.