Senior Network Administrator

Heritage Bank NA • Willmar, MN

7d • Onsite

About The Position

The Senior Network Administrator is responsible for the design, implementation, security, and day-to-day management of the bank’s network infrastructure. This role ensures high availability, performance, and regulatory compliance of all network systems supporting core banking operations, digital banking platforms, and branch connectivity. The position requires a hands-on technical leader who can also contribute to strategic planning, vendor management, and cybersecurity initiatives. This position is the primary contact for all 3rd party vendors that contribute to bank IT operations.

Requirements

• Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent experience)
• 7+ years of network administration experience, preferably in financial services or a regulated industry
• Experience supporting multi-site environments
• Strong knowledge of routing and switching (Cisco, Aruba, or similar)
• Experience with firewalls (e.g., Fortinet, Palo Alto, Cisco ASA)
• Familiarity with VPNs, VLANs, QoS, and network segmentation
• Experience with network monitoring tools (e.g., SolarWinds, PRTG)
• Understanding of cloud networking (Azure/AWS)
• Knowledge of cybersecurity principles and frameworks
• Strong problem-solving and analytical skills
• Ability to work independently and manage multiple priorities
• Excellent communication skills for both technical and non-technical stakeholders
• High attention to detail and commitment to security and compliance
• Proactive mindset with a focus on continuous improvement

Nice To Haves

• On-call availability for critical incidents and maintenance windows
• Occasional travel to branch locations
• Ability to work in a fast-paced, highly regulated environment

Responsibilities

• Design, implement, and maintain LAN/WAN infrastructure across headquarters, branches, and remote locations
• Manage routers, switches, firewalls, VPNs, and wireless networks
• Monitor network performance and proactively address capacity, reliability, and latency issues
• Manage MPLS, SD-WAN, and secure remote access solutions
• Support connectivity for core banking systems, online/mobile banking platforms, and third-party vendors
• Implement and maintain secure network architectures aligned with banking regulatory requirements (e.g., FFIEC guidance)
• Manage firewalls, intrusion detection/prevention systems (IDS/IPS), and network access controls
• Conduct regular vulnerability assessments and remediation efforts
• Support audits and examinations by internal auditors and regulatory agencies
• Maintain documentation for compliance and security standards
• Utilize network monitoring tools to ensure uptime and performance
• Lead troubleshooting efforts for network outages and service disruptions
• Participate in incident response, root cause analysis, and post-incident reporting
• Maintain and test disaster recovery and business continuity network components
• Lead or contribute to IT infrastructure projects, including upgrades, migrations, and new branch deployments
• Evaluate and recommend new technologies to improve performance, security, and scalability
• Coordinate with vendors and service providers
• Maintain accurate network diagrams, configurations, and procedures
• Establish and enforce network standards and best practices
• Provide technical guidance to junior IT staff

Benefits

• paid time off
• paid holidays
• paid volunteer days
• medical insurance
• dental insurance
• vision insurance
• 401(k)
• ESOP retirement plans

What This Job Offers

• Job Type: Full-time
• Career Level: Senior