Net Administrator

Greenfield Savings•Greenfield, MA

11h

About The Position

Greenfield Savings Bank is seeking a full-time Network Administrator to support and enhance the Bank’s on‑premises and cloud-based infrastructure. This role places a strong emphasis on security, reliability, and regulatory compliance. Core duties include managing WAN/LAN environments, firewalls, cloud networking, monitoring tools, and collaborating with Systems Administrators on cross-functional infrastructure initiatives.

Requirements

Bachelor’s degree in an IT-related field, or 3–5 years of equivalent experience
Strong understanding of networking protocols and LAN/WAN technologies
2+ years of experience with Microsoft Windows, Microsoft 365, and Azure
2+ years of experience with Sophos, and/or Ubiquiti technologies
Experience with virtualization platforms (Hyper-V, VDI)
Familiarity with SIEM, network monitoring, or observability tools
Strong troubleshooting, analytical, and problem-solving skills
Ability to work independently and collaboratively across teams
Ability to stay current with IT and cybersecurity trends
Ability to occasionally move or lift equipment up to 40 lbs.

Nice To Haves

Industry certifications in networking or security (e.g., CCNA, CCNP, Security+).
Experience working in a financial institution or other regulated environment.
Experience implementing or supporting banking applications and systems.
Experience with scripting and automation (e.g., PowerShell)
Familiarity with endpoint management (e.g., Intune, Azure Virtual Desktop)

Responsibilities

Maintain, configure, and operate network infrastructure including routers, switches, firewalls, VPNs, and wireless systems
Manage on‑premises and cloud networking components (e.g., Azure VNets, NSGs, VPN gateways, hybrid connectivity)
Ensure proper configuration, patching, and lifecycle management of network devices and systems in alignment with Bank standards
Implement and manage security technologies such as IPS/IDS, endpoint protection, anti-malware/anti-spam, and secure Wi-Fi
Support Zero Trust principles, network segmentation, MFA, and identity-based access controls
Monitor and respond to alerts from SIEM, network monitoring, and security tools
Assist in maintaining compliance with FFIEC, GLBA, and other regulatory requirements
Support virtualization platforms (Hyper-V, VDI solutions) and cloud services (Microsoft 365, Azure)
Coordinate with Systems Administrators on storage, server, and vulnerability-related tasks, providing network-level insight and troubleshooting
Troubleshoot network and system issues; document findings and resolutions using the Bank’s ticketing and knowledgebase systems
Provide Tier 2 support to Helpdesk staff for escalated hardware and software configuration issues
Participate in data protection, disaster recovery, and business continuity planning and testing
Create and maintain documentation including procedures, network diagrams, change control records, and project plans
Contribute to the development and enforcement of policies related to LAN/WAN operations, security, and acceptable use
Participate in vendor evaluations, technology assessments, and solution design discussions
Work collaboratively with internal teams and external partners to support infrastructure initiatives
Travel to branch locations as needed
Participate in an on-call rotation for after-hours support
Perform other duties as assigned