[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All L3Harris Technologies jobs](https://jobs.opennash.com/companies/l3harris-technologies/) · [Search jobs](/search/) L3Harris Technologies · Palm Bay, Brevard, FL # Senior Associate, Systems Administrator (Palm Bay) (TS/SCI with FS Poly) Palm Bay, Brevard, FL Senior individual contributor IT & Infrastructure Listed on L3Harris Technologies’s official careers site. Listed as of October 19, 2026. Check that it is still open and apply there. [Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/palm-bay/senior-associate-systems-administrator-palm-bay-ts-sci-with-fs-poly/4832/100667892384) [OpenNash Jobs](https://jobs.opennash.com/) / [L3Harris Technologies](https://jobs.opennash.com/companies/l3harris-technologies/) / Senior Associate, Systems Administrator (Palm Bay) (TS/SCI with FS Poly) ## 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 44349 Job Location: Palm Bay, FL 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. 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. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 7 days - Location: Palm Bay, Brevard, FL[Apply on L3Harris Technologies’s careers site →](https://careers.l3harris.com/en/job/palm-bay/senior-associate-systems-administrator-palm-bay-ts-sci-with-fs-poly/4832/100667892384) ## More jobs at L3Harris Technologies ### [Lead, IT Architecture](https://jobs.opennash.com/companies/l3harris-technologies/jobs/aec6375e4090d2062678/) Palm Bay, Brevard, FL ### [Lead, Systems Administrator (Palm Bay) (TS/SCI with FS Poly)](https://jobs.opennash.com/companies/l3harris-technologies/jobs/38ba5fda15d9a23470aa/) Palm Bay, Brevard, FL ### [Senior Specialist, Systems Administrator](https://jobs.opennash.com/companies/l3harris-technologies/jobs/fa2ccd4dedffc88d5c81/) Palm Bay, Brevard, FL ### [(DoW SkillBridge), Inventory Management Support D (Transportation)](https://jobs.opennash.com/companies/l3harris-technologies/jobs/d67652b3ea58baf9bf6e/) Palm Bay, Brevard, FL ### [Associate Manager, Quality Management](https://jobs.opennash.com/companies/l3harris-technologies/jobs/8186e4378ffc85268415/) Palm Bay, Brevard, FL ## Similar jobs at other companies ### [Relationship Banker - West Palm Bay - Palm Bay, FL (New Build)](https://jobs.opennash.com/companies/jpmorganchase/jobs/40971a40e287b4b60bab/) JPMorganChase · Palm Bay, FL, United States ### [Private Client Banker - West Palm Bay - Palm Bay, FL(New Build)](https://jobs.opennash.com/companies/jpmorganchase/jobs/ba03b1a23debe742cbd5/) JPMorganChase · Palm Bay, FL, United States ### [Store Manager - Palm BAY, FL Store #15487](https://jobs.opennash.com/companies/dollar-general/jobs/a6cc4869b00ced7de9c8/) Dollar General · Palm Bay, FL, United States ### [Technical Sales Engineer - Greater Miami, Fort Lauderdale, West Palm Beach, and Tampa Bay Areas](https://jobs.opennash.com/companies/sandvik/jobs/e44d201a60c59381275c/) Sandvik · USA, FL, West Palm Beach ### [Systems Administrator](https://jobs.opennash.com/companies/general-dynamics/jobs/3e11e975afddf4ce4424/) General Dynamics · Dayton, OH, US OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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