Senior Systems Administrator at L3Harris

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.

Job Title: Senior Systems Administrator Job Number: 34871Job Location:Yorba Linda, CAJob Schedule:4/10 or 9/80Clearance: Must Have an Active Secret Clearance to Be Considered Job Description:

During its 120-year history, L3Harris has transformed communications and information technology. L3Harris is a proven leader in tactical communications, geospatial systems and services, air traffic management, environmental solutions, avionics and electronic warfare, and space and intelligence. From ocean to orbit and everywhere in between, we provide mission-critical solutions to connect, inform and protect the world.

On the L3Harris team, your job is to secure the world. We don't work here just for the advanced technology and equipment: we work here because we know what - and who - we're protecting! From families to the intelligence community, and from our climate to our men and women in uniform - we're making the world a safer place!

Perform system administration and helpdesk type tasks under the supervision of a manager. The work includes installation, upgrades, repair and maintenance of servers, desktops, laptops, disconnected Local Area Networks (LANs) and networked resources attached to a Wide Area Network (WAN). Support for network backup systems, configuration support for user applications, troubleshooting and/or debugging network-related problems, inventory management and maintenance of the network's authorization infrastructure.

Essential Functions:

• Perform system administration and helpdesk type tasks under the supervision of a manager.
• Supporting servers, desktop and laptop PCs
• Installation, upgrades, repair and maintenance of disconnected Local Area Networks (LANs) and networked resources attached to a Wide Area Network (WAN)
• Support for network backup systems (Veeam/Backup Exec)
• Configuration support for user applications
• IT asset management
• Rotational after-hours Patch Management (SCCM/MECM)
• Ability to work well with technical and non-technical staff is required.

Qualifications:

• Bachelor’s Degree and a minimum of 6 years of prior related experience.
• Graduate Degree and a minimum of 4 years of prior related experience.
• In lieu of a degree, minimum of 10 years of prior related experience.
• Active Secret Clearance is required.
• 6-8 years of expert experience with operating systems such as Windows Server 2019/2022/2025, Windows 10/11, Red Hat Enterprise Linux 8/9
• Advanced understanding and implementation of DISA System Technical Implementation Guides (STIGs)
• 6 -8 years of experience with GPO management and implementation
• Knowledgable experience with RHEL LDAP/AD authentication protocols and methodologies
• Minimum DoD8140 Work Role 451-Intermediate certification (Cloud+, GICSP, GSEC, Security+, SSCP)

Preferred Additional Skills:

• Advanced knowledge of Veritas/Arctera Backup Exec or other backup technologies and methodologies
• Experience with TrueNAS storage technologies
• Experience with Red Hat Satellite
• Experience with Ansible Tower
• Experience with Share Point Administration/Development
• Web Application Management (Apache/Java)
• Very good written and verbal communication skills required.

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is Min $102,000.00 - $189,000.00 Max. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, Cleveland Ohio, and Vermont is $88,500.00 Min - $164,500.00 Max. 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 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.

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