Senior Server Administrator

The Salvation Army

16h

About The Position

The Salvation Army is seeking an experienced Senior Server Administrator to lead the design, administration, and optimization of enterprise server and infrastructure environments. This role is critical to ensuring high availability, security, and performance across on‑premises, hosted, and cloud (Azure) platforms, while acting as a senior technical resource and escalation point within the infrastructure team.

Requirements

• 5+ years’ experience in a senior server or infrastructure administration role.
• Advanced hands‑on experience with Windows Server (2012/2016/2019) and enterprise virtualization (VMware, Hyper‑V, Nutanix).
• Strong expertise in Microsoft 365, Exchange, and Azure infrastructure operations.
• Proven experience managing Active Directory, group policy, authentication, and access control.
• Deep understanding of networking fundamentals (TCP/IP, VLANs, routing, firewalls, BGP/OSPF).
• Experience with server performance tuning, load balancing, clustering, and high‑availability architectures.
• Proficiency with PowerShell scripting and infrastructure automation.
• Strong troubleshooting skills, documentation discipline, and ability to operate in a complex, enterprise environment.
• Experience with Cisco/Meraki networking, storage systems, RAID, and server hardware lifecycle management.
• Ability to communicate technical concepts clearly and collaborate across IT and business teams.

Responsibilities

• Lead the design, deployment, and lifecycle management of enterprise server infrastructure (on‑prem, hosted, and Azure).
• Administer and optimize Windows Server environments, virtualization platforms (VMware, Hyper‑V, Nutanix), and HCI solutions.
• Ensure high availability, performance, and security of servers, networks, and directory services.
• Manage Active Directory, identity, access controls, permissions, and enterprise directory services.
• Oversee network and security infrastructure, including firewalls, intrusion detection, and antivirus systems.
• Perform system monitoring, patching, backups, disaster recovery, and regular server/security audits.
• Act as a technical escalation point, resolving complex infrastructure issues before service impact occurs.
• Mentor junior team members, contribute to documentation, and support infrastructure strategy and capacity planning.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 251-500 employees