Senior Server Administrator

Job Description

Job Description

(SRSA)-Senior Server AdministratorPROFESSIONAL | (SRSA)-Senior Server Administrator

Job Information

Job Title : Senior Server Administrator Department : Information Technology

Reporting Relationship : Manger - IT FLSA Status : Exempt

 

Grade : N

General Responsibilities:

Senior Server Administrator to support and maintain a hybrid of physical, virtual, and cloud-based enterprise server infrastructure serving approximately 450 users across 14 sites. This is a hands-on technical role focused primarily on server administration, Active Directory, Microsoft 365, and enterprise application support, with limited networking responsibilities.

Essential Job Functions:

Key Responsibilities Server Infrastructure Administration
• Manage and maintain physical, virtual, and cloud-based server environments across enterprise IT and Operational Technology systems.
• Administer Windows Server, VMware/Hyper-V virtualization platforms, and hybrid cloud environments.
• Optimize server performance, capacity planning, and resource allocation.
• Support hybrid identity synchronization and perform server patching and lifecycle management (install, configure, patch, upgrade, and monitor).
• Monitor server health, system alerts, storage thresholds, and fault conditions.
• Lead incident response and root-cause analysis for outages and performance issues.
• Plan future upgrade/replacement needs to meet business objectives and modernize capabilities.
Virtualization & On-Prem Infrastructure
• Administer VMware, vCenter, and Hyper-V environments, manage VM lifecycle, and support backup and disaster recovery operations.

Essential Job Functions Con't

Cybersecurity & Compliance
• Implement server hardening standards aligned with NIST Cybersecurity Framework and water-sector best practices.
• Maintain endpoint protection, vulnerability remediation, patch management, and privileged access controls.
• Support cybersecurity audits, penetration testing, and regulatory compliance initiatives.
• Coordinate with cybersecurity teams on ransomware prevention and recovery preparedness.
Backup, Disaster Recovery & Business Continuity
• Manage enterprise backup systems and replication technologies.
• Maintain disaster recovery plans for server infrastructure and critical utility applications.
• Conduct recovery testing and failover exercises regularly.
• Ensure redundancy for mission-critical infrastructure supporting water operations continuity.
Storage & Data Center Management
• Administer SAN/NAS storage systems and data center infrastructure.
• Maintain server room environmental controls, UPS integrations, rack systems, and hardware lifecycle replacements.
• Coordinate hardware warranty renewals and vendor support escalations.

Active Directory & Identity Services
• Administer Active Directory, Group Policy, DNS, DHCP, LDAP, and authentication services.
• Manage user access controls and server role-based permissions.
• Support identity federation and secure authentication integrations.
Networking (Limited Scope)
• DHCP, DNS, GPO, ADFS, IIS, and RDP roles and services.
• Perform occasional VLAN changes, switch configuration, and troubleshooting on Cisco Meraki and Juniper access-layer switches for routing, switching, wireless, and security.
• Experience with Network Management in setting up and configuring routers, switches, and wireless technologies. This includes experience with LAN/WAN management and routing protocols such as BGP, EIGRP and OSPF and network protocols TCP/IP, UDP, FTP, SFTP, and

 

Essential Job Functions Con't

Projects & Continuous Improvement
• Participate in infrastructure projects, maintain documentation, and automate tasks using PowerShell where appropriate.

Required Qualifications
• 5+ years of progressive server administration experience, strong Active Directory and Microsoft 365 skills, virtualization experience, and working knowledge of networking concepts.
• 3+ years in senior-level infrastructure administration preferred
Preferred Qualifications
• PowerShell automation and scripting, regulated-environment experience, and familiarity with Microsoft security tools.

Education:

Bachelor’s degree in Information Technology, Computer Science, Information Systems, or related field (or equivalent experience).

Certifications

• Valid Driver’s License required

• One or more of the following:

• • Microsoft Certified: Windows Server and/or Azure Administrator

• • MCSA, MCSE, MCSD

• • VMware VCP [6.0]

• • CompTIA Server+

• • Security+ or CISSP desirable

• • Cisco CCNA (preferred)

• • CCNP Routing & Switching ∙ CCNP Collaboration

• • Juniper Enterprise Routing & Switching

Experience:

Five (5) years of experience in an enterprise environment: 
• Administering network systems design, setting up, and troubleshooting•Experience in configuring Storage Area Networks and Disaster Recovery 

Server Platforms
• Windows Server (2016/2019/2022) and Active Directory•Microsoft 365 and Azure

Virtualization
• VMware vSphere / ESXi•Microsoft Hyper-V

Cloud
• Microsoft Azure•AWS (preferred)

Infrastructure Services
• Active Directory•DNS/DHCP•Group Policy

Backup & Recovery
• Veeam / Zerto or similar platforms (e.g. Commvault / Rubrik)

Storage
• SAN/NAS systems•RAID/storage replication•disk array management and creating and maintaining LUNs.

Additional Qualifications
• Understanding of VoIP and PSTN phone systems•Working knowledge of SQL databases•Understanding IT security concepts with a strong understanding of NTFS file security and Share permissions.

Supervision:

None

Physical Demands:

• Ability to stand, walk or sit for extended periods
• Reaching by excreting hand(s) or arms(s) in any direction
• Finger dexterity is required to manipulate objects with fingers rather than with whole hand(s) or arm(s), for example, using a keyboard
• Communication skills using the spoken word
• Ability to see within normal parameters
• Ability to hear within normal parameters
• Ability to move about
• Ability to lift 25 pounds

Working Environment:

• Moderate noise (business office)
• Night and weekend hours as needed
• Exposed to cold temperatures in the data center
• Occasionally visit job sites, in plants and outdoors, exposed to extreme hot/cold/wet weather conditions