Sr Network Administrator at Heritage Bank NA

Sioux Falls, South Dakota, United States -

Full Time

Start Date

Immediate

Expiry Date

18 Aug, 26

Salary

95100.0

Posted On

20 May, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Network Design, LAN/WAN Management, Firewall Administration, VPN Configuration, Network Security, Vulnerability Assessment, Incident Response, Disaster Recovery, Vendor Management, Routing and Switching, Cloud Networking, Regulatory Compliance

Industry

Banking

Description

Description Ready to Take Your Career to the Next Level? Join Heritage Bank NA! Position Summary 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. Core Responsibilities Network Infrastructure Management 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: Mission: Help people succeed financially. Ethics: Always do the right thing. Solutions: Bring innovative solutions to challenges. Ownership: Take accountability and learn from our mistakes. Positivity: Bring energy and enthusiasm to everything we do. Compensation & Benefits 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! Disclaimer This job description outlines the general nature of the role and is not intended to be all-inclusive. Duties, responsibilities, and benefits may change as business needs evolve. Employment is at will, meaning either the employee or the Company may end the employment relationship at any time, consistent with applicable law. We are an Equal Opportunity Employer and value diversity at all levels of the organization. Requirements Education & Experience 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

Responsibilities

Responsible for the design, implementation, and day-to-day management of the bank's network infrastructure to ensure high availability and security. Acts as the primary contact for third-party IT vendors and leads infrastructure projects and cybersecurity initiatives.