IT Systems Administration

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.

To demonstrate success, you will:

• 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. Essential Functions:

• 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).
• Ability to obtain and maintain a Top-Secret clearance., L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

• 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. Preferred Additional Skills:

• 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.
• Basic network administration of layer 2/3 switches.
• Supporting multi-OS environments of Linux, Windows and embedded OS’s.

In compliance with pay transparency requirements, the salary range for this role is $91,500 - $170,500. 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.

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.