Senior Associate, Systems Administrator (Carlsbad) (TS/SCI with FS Poly)

Harris Geospatial Solutions; Carlsbad (CA); Hybrid; USD 71,000 - 118,000; Full time

Benefits offered by this job

Health insurance

401(k) match

Paid time off

Job summary

L3Harris Technologies (L3Harris) in Carlsbad, CA seeks a Sr. Associate Systems Administrator to support classified Windows desktop systems and essential applications.

You will blend system administration, network management, and desktop support to ensure secure day-to-day operations. The role requires a TS/SCI clearance with a full-scope polygraph, plus experience with Windows/PowerShell and collaboration with engineering teams.

Qualifications

• Bachelor’s Degree plus 2+ years of related experience; or graduate degree with 0–2 years experience; or 6+ years as substitute.
• Experience with Microsoft Windows and Microsoft Office applications.
• Working knowledge of Windows and Linux operating systems, networking, PowerShell, and security best practices.
• Active TS/SCI clearance with full-scope polygraph.

Responsibilities

• Provide end-user desktop support for systems and applications both locally and across the classified WAN.
• Perform routine system updates, patching, and hardening to reduce vulnerabilities and maintain compliance with applicable standards.
• Partner with program engineering teams to understand requirements and deliver IT solutions aligned with program needs and schedules.
• Communicate technical issues, risks, and recommendations effectively to management and non-technical stakeholders.

Skills

Windows OS

PowerShell

Networking

Security best practices

Security clearance TS/SCI

Education

Bachelor’s Degree

Graduate Degree or equivalent

6+ years experience in lieu of degree

Tools

VMware

Commvault

Job description

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: Sr. Associate Systems Administrator
Job Code: 44350
Job Location: Carlsbad, CA
Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off

Job Description:

We are seeking a dedicated System/Network desktop support administrator to join our IT team. The ideal candidate will be responsible for supporting classified Windows desktop systems and essential applications. This role combines system administration, network management, project coordination, and desktop/software support to ensure reliable and secure day-to-day operations.

Essential Functions:

• Provide end-user desktop support for systems and applications both locally and across the classified WAN.
• Perform routine system updates, patching, and hardening to reduce vulnerabilities and maintain compliance with applicable standards.
• Partner with program engineering teams to understand requirements and deliver IT solutions aligned with program needs and schedules.
• Communicate technical issues, risks, and recommendations effectively to management and non-technical stakeholders.

Qualifications:

• Bachelor’s Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 6 years of prior related experience.
• Experience with Microsoft Windows and Microsoft Office applications.
• Working knowledge of Windows and/or Linux operating systems, networking protocols, PowerShell, and security best practices.
• Current active TS/SCI clearance with a full-scope polygraph.

Preferred Additional Skills:

• Hands-on experience supporting Linux systems, including Red Hat Enterprise Linux (RHEL) 8/9, CentOS, and Ubuntu.
• Experience administering VMware or comparable virtualization platforms.
• Experience working with Commvault or similar backup and recovery solutions.

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C. area, Denver, or NYC areas is [$83,000 MIN - $118,000 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.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.