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Lead It Systems Administrator

Job in Torrance, Los Angeles County, California, 90504, USA
Listing for: TEKsystems
Full Time position
Listed on 2026-05-26
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity, Cloud Computing, IT Support
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: LEAD IT SYSTEMS ADMINISTRATOR

Description

Key responsibilities and skills for the role of Cloud & Infrastructure Lead.

Key Responsibilities
  • Own end-to-end IT infrastructure across cloud, endpoint, and networking environments.
  • Architect, deploy, and manage Microsoft 365 GCCH and AWS Gov Cloud environments aligned to defense requirements.
  • Serve as primary technical owner for implementation of NIST SP 800-171 and CMMC controls across all systems.
  • Manage and secure a multi-OS fleet (Windows, macOS, Linux) using MDM and identity-driven access controls.
  • Own and scale the engineering toolchain infrastructure, including PLM systems, version control, collaboration platforms, and internal AI/LLM environments.
  • Design and maintain secure networking architecture (firewalls, VLANs, VPNs, identity-based access) with scalability in mind.
  • Establish and maintain backup, disaster recovery, and patching strategies for all systems.
  • Automate system administration, user lifecycle management, and infrastructure deployment through scripting and tooling.
  • Provide high-level technical support to engineering and operations teams, resolving complex issues and eliminating blockers.
  • Plan and scale IT infrastructure to support rapid headcount growth and increasing mission complexity.
Skills
  • Windows, System Administrator, Microsoft, AWS Gov Cloud, Microsoft 365 GCCH
  • Windows Server, Linux, Cloud, Windows Administration, Configuration Management, Office 365
Additional

Skills & Qualifications
  • 5+ years of experience in IT systems administration within defense, aerospace, or high-performance engineering environments.
  • Deep hands‑on experience with Microsoft 365 GCCH and secure cloud environments (AWS Gov Cloud preferred).
  • Strong experience managing Windows, macOS, and Linux systems at scale.
  • Proven ability to design and implement secure networking architectures.
  • Experience implementing and maintaining NIST SP 800-171 and/or CMMC compliance frameworks.
  • Strong experience in identity and access management, MDM, and endpoint security.
  • Experience supporting and maintaining engineering tool chains (PLM, version control, Jira, etc.).
  • Proficiency in scripting (Python, Bash, Power Shell) for automation and system management.
  • Ability to operate independently in a high‑ownership, low‑structure environment.
Experience Level

Expert Level

Job Type & Location

Permanent position based out of Torrance, CA.

Pay and Benefits

Pay range: $ - $ per year. Full benefits include 7 paid holidays, medical, dental, vision, equity, and bonuses.

Workplace Type

Fully onsite position in Torrance, CA.

Final date to receive applications

Anticipated to close on May 31, 2026.

Equal Opportunity Statement

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information, or any characteristic protected by law.

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