Sr Network Administrator

Heritage
Sioux Falls, SD, United States
3 months ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
7 years minimum
Compensation
$63,400.0 - $95,100.0
Working hours
Regular working hours
Job source

Tech stack

Access Network Amazon Web Services Microsoft Azure Cisco PIX Cloud Computing Cyber Security Computer Networks Disaster Recovery Information Technology Operations Intrusion Detection and Prevention Intrusion Detection Systems Virtual Private Networks (VPN)
+23 more
Multi-protocol Systems Network Security Network Architecture Network Diagrams Network Monitoring Routing Network Segmentation Network Administration Paessler Router Traffic Grapher Remote Access Technology Virtual Local Area Networks Wide Area Networks Wireless Networks Network Routers Computer Networking Systems System Availability Firewalls (Computer Science) Information Technology SolarWinds (Software) Palo Alto Networks Fortinet Cisco Vulnerability Analysis

Job description

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., * 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

Security & Compliance

  • 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

Monitoring & Incident Response

  • 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

Project Leadership

  • 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

Documentation & Standards

  • Maintain accurate network diagrams, configurations, and procedures
  • Establish and enforce network standards and best practices
  • Provide technical guidance to junior IT staff

Bank Standards

At Heritage Bank, we are committed to a customer-centric, service-driven culture. We operate under the following core standards

Requirements

Do you have experience in Vendor relationship building?, Do you have a Bachelor’s degree?, * 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

Technical Skills

  • 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

Key Competencies

  • 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

Work Environment & Expectations

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

Benefits & conditions

Pulled from the full job description

  • 401(k)
  • Health insurance
  • Paid time off
  • Vision insurance
  • Dental insurance
  • Employee stock ownership plan
  • Paid holidays, Get ready to be rewarded! This position provides an annual salary range of $63,400 to $95,100. Full-time team members enjoy a comprehensive benefits package including paid time off, paid holidays, and even paid volunteer days. Your health is covered with medical, dental, and vision insurance, plus plan for your future with our 401(k) and ESOP retirement plans. Enjoy additional benefits and incentives consistent with our company policy. Join us and discover how rewarding your career can be!

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