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# Systems Administrator

- **Company:** Infracore LLC
- **Location:** San Diego, CA, United States
- **Experience:** Expert
- **Salary:** $83,200.0 - $113,500.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Microsoft Azure, Backup Devices, Cloud Computing, Dynamic Host Configuration Protocol, Distributed File Systems, Domain Name System (DNS), Hyper-V, IT Management, Virtual Private Networks (VPN), Network Troubleshooting, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Windows Servers, Routing, Nmap, Windows PowerShell, Microsoft SharePoint, TCP/IP, Virtualization Technology, Enterprise Software Applications, Microsoft InTune, Information Technology, Nessus, Veeam, Vmware
- **Published:** May 23, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=766667f1fc47aaab

## About the Role

Do you have experience in Windows support?, 5+ years of experience in systems administration or enterprise IT

Strong expertise in:

 * Microsoft 365 (Exchange Online, Teams, SharePoint, Intune, Entra ID)
 * Active Directory (GPOs, OU design, LDAP)
 * Windows Server (DNS, DHCP, DFS, NPS)
 * Networking (TCP/IP, DNS, VPNs, routing)
 * Virtualization (VMware or Hyper-V)
 * Cloud platforms (Azure)
 * Backup solutions (e.g., Veeam, Azure Backup)
 * PowerShell scripting

Preferred:

 * Experience with security tools (Nessus, nmap, etc.)
 * Knowledge of cybersecurity frameworks (CIS, NIST)
 * Familiarity with compliance standards (SOX, HIPAA, CCPA, ISO)
 * Exposure to Linux environments

## Description

We're looking for a Systems Administrator who thrives in complex, fast-paced environments and is ready to take ownership of enterprise IT infrastructure across multiple client environments.

This is a highly impactful role where you'll act as a technical leader supporting critical systems, driving projects, mentoring team members, and partnering closely with IT leadership.
WHAT YOU'LL DO:

Infrastructure & Systems Management

 * Manage and optimize Microsoft 365, Windows Server, Active Directory, and cloud platforms (Azure/AWS)
 * Maintain enterprise systems (SAN, firewalls, virtualization, networking)
 * Perform ongoing maintenance (patching, backups, upgrades, monitoring)
 * Implement high-availability and redundancy solutions

Project Leadership

 * Lead 1-2 concurrent IT infrastructure projects (migrations, deployments, office moves)
 * Support IT Managers/Directors with planning, execution, and resource coordination
 * Contribute to system standardization and improvement initiatives

Advanced Support & Escalation

 * Serve as the highest level of technical escalation
 * Troubleshoot complex system and network issues
 * Work directly with vendors and stakeholders during critical incidents

Security & Compliance

 * Champion cybersecurity best practices (MFA, least privilege, monitoring)
 * Conduct risk assessments and support compliance initiatives (CIS, NIST, etc.)
 * Provide input into IT strategy, budgeting, and optimization

Client & Team Collaboration

 * Build strong relationships with clients and internal teams
 * Mentor junior IT staff and support training efforts
 * Participate in a collaborative, high-accountability culture


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