Senior Server Administrator

About the role

For more than 130 years, The Salvation Army has served people in need in communities across Canada and Bermuda. Building on our roots as a world-wide Christian church, each year we help more than 2 million people, providing necessities such as food, clothing and shelter. In addition, we support people experiencing unemployment, addiction and family challenges. We continually adapt and innovate to meet emerging needs and live out our mission, vision and values of hope, service, dignity and stewardship. As a faith- and values-based organization, we hire and serve people of all backgrounds and walks of life - there is a place for everyone to belong here. Mission Statement The Salvation Army exists to share the love of Jesus Christ, meet human needs and be a transforming influence in the communities of our world. Job Description: We are 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. Key Duties & 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. Key Experience & Skills 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.