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Sr. Network and Computer Systems Administrator

T3W Business Solutions · San Diego, CA

Secret clearance required

Posted 2025-11-19 · Verified live 2026-11-08

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About this role

Description T3W Business Solutions, Inc. is a Woman-Owned Small Business with Headquarters located in San Diego, CA. It is our mission to help our clients develop strategies to optimize their use of space and resources resulting in maximum benefits; we also deliver quality data and analysis to support our client’s daily facility operations, planning, and compliance programs. We are looking for a Sr. Network and Computer Systems Administrator in San Diego, California . **Contingent Upon Contract Award** Summary Leads system administration for servers, networks, virtual infrastructure, and security baselines. Designs architectures, oversees patching, backup strategies, monitoring, and enterprise configuration. Resolves complex system outages, manages domain environments, and implements compliance with STIG, RMF, and cybersecurity requirements. Provides leadership across IT operations and mentors junior administrators. Responsibilities Install, configure, and maintain LAN/WAN systems and servers. Manage user access, data backups, and patching. Monitor network health and implement cybersecurity standards. Support disaster recovery and system continuity initiatives. Requirements Bachelor’s degree in IT or related field. 10+ years of network/system administration experience. DoD 8570 IAT Level II certification (e.g., Security+ CE) preferred. Must possess an active Secret Clearance - Required This contractor and subcontractor shall abide by the requirements of 41 CFR §§ 60-1.4(a), 60-300.5(a) and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity or national origin. Moreover, these regulations require that covered prime contractors and subcontractors take affirmative action to employ and advance in employment individuals without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status or disability.

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