IT Systems Administrator

We are seeking an experienced IT Systems Administrator to be the backbone of a corporate IT infrastructure and platforms. The IT Systems Administrator will manage on-prem and cloud-based Windows systems, AWS/Linux servers, office network, wireless, VOIP and all IT assets for multiple locations. The ideal candidate will bring in-depth knowledge of Windows, Microsoft 365/Exchange Online, Entra ID administration, AWS, and a proven track record in IT support and IT security. This is a hands-on role ensuring reliable smooth operations, drive IT process automation, comply with SLA commitments in resolving critical issues and maintain robust security systems.

Location: Sacramento, CA (Onsite)

Employment Type: Direct Hire

Salary: $75,000

Key Responsibilities

• Provide IT helpdesk support to employees (remote and on-site) in line with established SLAs.
• Partner with HR to onboard new hires and manage terminations.
• Administer Windows and Linux servers, plus in-office systems (e.g., conference room setups).
• Manage domain controllers, Active Directory, Group Policy, and replication services.
• Administer Microsoft 365 and Entra ID (including Entra ID Connect and Cloud Sync).
• Maintain and troubleshoot DNS, routers, WAPs, VoIP, VPN, LAN, and WAN networks.
• Lead IT security efforts, including administering tools such as CrowdStrike and Proofpoint, and participate in audits.
• Provide basic administration of additional SaaS and on-premises applications (e.g., Salesforce, Oracle NetSuite).
• Participate in on-call rotations; lead triage and troubleshooting during urgent incidents.
• Manage IT licensing, renewals, and documentation of IT support processes.

Qualifications

• 5–7 years of hands-on experience in IT support engineering or systems administration.
• Strong knowledge of both on-premises and cloud environments.
• Proficiency with Windows/Linux servers, Active Directory, and Microsoft 365/Exchange.
• Experience with ticketing and collaboration tools (e.g., JIRA, Confluence, SharePoint, MS Teams).
• Experience with IT security tools (CrowdStrike, Proofpoint) and security audits.
• Strong scripting skills (PowerShell, Bash).
• Solid understanding of networking concepts (Firewalls, Routers, TCP/IP, DNS, FTP, SSH, HTTP/HTTPS).
• Excellent troubleshooting skills across applications, operating systems, networks, and systems.
• Strong crisis management and problem-solving abilities.
• Excellent written and verbal communication skills.
• Preferred certifications: AWS, MCSA, MCSE, CCNA, CCNP .