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Windows Systems Administrator III - TS​/SCI

Job in Malibu, Los Angeles County, California, 90263, USA
Listing for: HRL Laboratories, LLC
Full Time position
Listed on 2026-06-18
Job specializations:
  • IT/Tech
    Systems Administrator, Cybersecurity, IT Support
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Windows Systems Administrator III - TS/SCIWindows Systems Administrator III - TS/SCI

2 weeks ago Be among the first 25 applicants



Job Description :

HRL is seeking an experienced Windows Systems Administrator to join the Special Programs IT team in Malibu, CA. The successful candidate will collaborate with other systems administrators located in Malibu and at various locations throughout the United States. A willingness to continue learning new technologies is a must. An active Top Secret/SCI clearance and experience in classified programs is required.

Essential Duties:

Work with multi-disciplined team members under general supervision



Job Description :

HRL is seeking an experienced Windows Systems Administrator to join the Special Programs IT team in Malibu, CA. The successful candidate will collaborate with other systems administrators located in Malibu and at various locations throughout the United States. A willingness to continue learning new technologies is a must. An active Top Secret/SCI clearance and experience in classified programs is required.

Essential Duties:

Work with multi-disciplined team members under general supervision

Provide a friendly and professional point of contact for customers

Perform independent troubleshooting of complex incidents

Perform a multi-disciplined range of technical system and application activities

Install, configure, and maintain multiplatform systems hardware, software, and components

Administer and manage Windows and Linux systems in the operations, engineering, analysis, and test environments

Administer installation of software, hardware, file system management, backups, process control, user administration, and device management

Resolve a wide variety of complex system failures, troubleshooting software, hardware, and network problems

Perform system and user account maintenance

Test and assess security configuration of Windows servers

Monitor, evaluate, and optimize system performance

Analyze, test, and implement security patches and hardening

Document maintenance & ticketing actions

Develop and promote standard operating procedures and conduct routine hardware and software audits of servers to ensure compliance with established standards, policies, and configuration guidelines

If required, assist in IT security incident response and documentation

Required Skills:

Experience in Windows systems administration

Understanding of multiplatform system hardening (e.g., DISA STIG, SCAP)

Strong understanding of VMware vSphere virtual environments

Experience with scripting for task automation (e.g., Power Shell, Batch, BASH)

Proficient knowledge of cyber security technology and trends (e.g., Tenable, McAfee, Splunk)

Strong understanding of networking fundamentals (e.g., switching, routing, firewalls, load balancing)

Experience with system monitoring & alerting tools (e.g., Nagios)

Experience working within an accredited system

Ability to work independently

A current Top Secret/SCI security clearance with Full Scope Polygraph is required

Minimum 7 year of experience in a related role is preferred

Experience in multiplatform systems administration (Windows and Linux) is desired

Windows Server 2016/2019/2022 configuration, management, and troubleshooting is preferred

Understanding of Group Policy management is preferred

Experience with Red Hat Enterprise Linux (8,
9) is preferred

Some experience with SAN management (e.g., Net App, Dell Unity, HPE Green Lake) is preferred

Experience with Virtual Desktop Infrastructure (i.e., Citrix Virtual Apps & Desktops) is preferred

Exchange Server 2019 configuration, management, and troubleshooting is preferred

Experience with systems management and automation software e.g., (Endpoint Configuration Manager, Satellite, Ansible, Systems Center Orchestrator) is preferred

Experience In Multiplatform Environments (Windows And Linux) Is Preferred


Experience with High Performance Computing is preferred

Required

Education:

High School diploma/GED with 7+ years of experience in a System Administration role or an equivalent combination of technical education and experience

DoD 8570.01-M IAT Level II (or higher) certification (e.g., CompTIA Security+, CySA+, GICSP, GSEC, CISSP) within 6 months of hire



Physical Requirements :

While performing the duties of this job, the employee is occasionally required to stand, climb, stoop, kneel, crouch, or crawl. The employee must regularly lift and/or move up to 50 pounds.



Special Requirements :

This position is 100% on-site. Responsibilities sometimes require working evenings and weekends, and in some cases, with little to no advance notice. This job will also require up to 10% travel.

This position requires that the applicant selected be a U.S. citizen and possess an active Top Secret/SCI security clearance. The applicant must also successfully complete a polygraph.

This position requires that the applicant obtain a DoD 8570.01-M IAT Level II (or higher) certification (e.g., CompTIA Security+, CySA+, GICSP, GSEC, CISSP) within 6 months of hire.

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