IT Systems Administrator

Higgs Fletcher & Mack LLP, one of San Diego’s oldest and most prestigious law firms, seeks an experienced Systems Administrator to join the Firm’s Information Technology group. Our ideal candidate will possess at least 5 years’ experience as a Systems Administrator, ideally working within the legal or Law Firm space.

The IT Systems Administrator is responsible for the administration, support, and ongoing optimization of the firm’s core IT infrastructure and enterprise systems. This role supports on-premises and cloud environments, Active Directory services, virtual desktop infrastructure, Microsoft 365 services, and law-firm-specific applications while providing support across all tiers and participating in infrastructure projects.

This position works closely with the IT Director and IT staff to ensure system reliability, security, and performance across the firm.

• Administer, support, and maintain the firm’s infrastructure, including:
• Active Directory services, including Group Policy, DNS, and DHCP
• VMware vSphere and virtual servers
• Azure Entra  Microsoft 365 services
• Microsoft Intune device and policy management
• Teams Phone and related telephony services
• Storage platforms including Nimble SAN and NAS
• Security solutions including Crowd Strike, DUO, Cisco Umbrella, and Mimecast
• Firewalls, switches, and core networking services
• Manage and maintain Active Directory objects, Group Policies, authentication workflows, and directory integrations with Microsoft 365 and Azure Entra , including SSO and DUO integrations
• Support and maintain core law firm applications
• Provide support across all tiers for system and application issues, including assisting with end user issues when needed, handling complex escalations from the service desk, and providing after-hours or emergency support as required
• Perform advanced end user troubleshooting and assist with basic end user issues as needed, including diagnosing and resolving operating system, virtual desktop, application, and profile issues, and installing, configuring, or troubleshooting end user hardware and peripheral devices when required
• Coordinate with software and hardware vendors and managed service providers (MSPs) as needed for escalated system, infrastructure, or application-related issues, including opening and tracking support cases, providing technical details, and supporting troubleshooting and resolution efforts
• Monitor system performance, availability, and capacity and proactively identify and resolve issues before they impact users
• Perform installation, configuration, upgrades, and maintenance of servers, applications, and infrastructure components following documented procedures and best practices
• Assist with infrastructure projects including planning, implementation, testing, and documentation
• Maintain accurate technical documentation including system configurations, procedures, and recovery processes
• Support security initiatives including system hardening, patching, access controls, and compliance with firm policies and client confidentiality requirements
• Collaborate with the IT Director on backup, disaster recovery, and business continuity planning and testing
• Provide technical guidance and limited training to IT staff and end users when appropriate
• Participate in continuous improvement efforts to optimize performance, reliability, and user experience

• 5+ years of progressive experience in systems administration, infrastructure support, or senior Tier 3 desktop support with direct responsibility for enterprise systems
• Hands-on experience administering Microsoft Windows server and desktop environments, including installation, configuration, troubleshooting, and ongoing maintenance
• Demonstrated experience managing Active Directory services, including user and computer objects, Group Policy, authentication workflows, and integrations with Microsoft 365 and Azure Entra
• Practical experience supporting virtualization platforms, such as VMware vSphere and virtual server environments
• Experience supporting Microsoft 365 services, including Exchange Online, Intune, Teams, One Drive, SharePoint, and identity integrations
• Working knowledge…