Systems Administrator

Company: Client First Technologies
Location: San Diego
Posted on: February 17, 2026

Job Description:

Job Description Job Description Description: Overview Client First Technologies is currently seeking a Systems Administrator to support an upcoming contract. The Systems Administrator provides technical expertise supporting the operation, maintenance, and security of enterprise IT systems. This role ensures system reliability, availability, and performance across on-premises and cloud environments. This is a full-time, on-site position in San Diego, CA. CFT offers a competitive benefit package and collaborative work environment with a strong company culture. Veterans and military spouses are encouraged to apply. Employment is contingent upon award. Requirements: Responsibilities Install, configure, and maintain servers, operating systems, and network components Monitor system performance, availability, and security posture Implement system hardening, patching, and configuration management Troubleshoot system and network issues using diagnostic tools Support virtualization platforms and cloud-based environments Assist with cybersecurity compliance, monitoring, and remediation activities Maintain system documentation, SOPs, and configuration baselines Qualifications Minimum of four (4) years of experience in systems administration Strong understanding of LAN/WAN technologies, TCP/IP, DNS and DHCP Experience with virtualization technologies and server management Knowledge of cybersecurity principles, system hardening, and access controls Familiarity with cloud service models (SaaS, IaaS, PaaS) and security practices Meets DoD 8570 IAT II requirements (for example, certifications such as: Security CE, CySA) Physical Demands Must be able to sit and stand for long periods of time Occasional travel and overtime may be required Required Clearances and Screenings This position is subject to a government background investigation (BI) and must meet eligibility for access to classified information. Candidates must have a current, in-scope Tier 3 (T3) BI; Tier 5 (T5) preferred. CFT is a proud equal opportunity employer. All qualified applicants will be considered for employment without attention to age, race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status. Discrimination and harassment are not tolerated.

Keywords: Client First Technologies, Yorba Linda , Systems Administrator, IT / Software / Systems , San Diego, California