IT Systems Administration

About the role

The Senior IT Administrator serves as a technical expert responsible for the provisioning, installation, configuration, operation, and maintenance of Linux and Windows servers, system hardware, software, and related infrastructure within a classified/high-security environment. This role is responsible for maintaining the security, uptime, and performance of enterprise systems and networks.

Responsibilities

• Integrate with a team of multidiscipline, multileveled System Administrators supporting Linux, Windows, and Network operations.
• Assist Software Engineers by providing Linux/Windows Infrastructure services in support of development efforts.
• Partner with Information Security team to provide secure, auditable Linux/Windows systems.
• Security and Compliance Management.
• System Administration and Maintenance.
• Network & Optimization.
• Administration and Documentation.
• Incident Response.
• Backup and Recovery.
• Linux Server and Workstation systems administration on Red Hat based distributions (RHEL9, RHEL8, RHEL7).

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or a related field and minimum 6 years of prior relevant experience. Graduate Degree in computer science, Information Technology, or a related field and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• 5+ years of progressively responsible experience in network or systems administration.
• System hardening and auditing to RMF, CMMC, DFARS, NIST 800-171, NIST 800-53
• Technical Expertise: Advanced understanding of Windows/Linux administration, Active Directory, virtualization, and network protocol
• Active Secret clearance.

Qualifications

• Experience with Linux Server and Workstation systems administration on Red Hat based distributions (RHEL9, RHEL8, RHEL7).
• Experience with network switches.
• Top Secret clearance.
• Certifications RHCSA, RHCE, RHCSS, RHCDS, Security+, CISSP, CISM preferred.
• Configuration management with Ansible/Ansible Automation Platform, AWX, puppet, or chef.
• Basic network administration of layer 2/3 switches.
• Scripting: Proficient in PowerShell, Bash, or Python.
• Supporting multi-OS environments of Linux, Windows and embedded OS’s.

Benefits

In compliance with pay transparency requirements, the salary range for this role is $91,500 - $160,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.