Network and Security Administrator

  • Nesnah Ventures
  • La Crosse, Wisconsin
  • Full Time

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Description

Description

Do you enjoy supporting a variety of businesses by keeping systems secure, connected, and running at peak performance? If so, we're looking for a talented and experienced Network and Security Administrator to join our team.

Who We Are:

Nesnah Ventures is a family-owned private equity firm with a long-term investment focus. We invest in our businesses and people through faith, family, and financial stewardship. We have a strong, midwestern work ethic and reward ourselves with some fun after getting the job done. Join our team and be part of something bigger than yourself!

What A Day In The Life Looks Like:

  • Manage Nesnah Ventures' and portfolio companies' networks, ensuring LAN, WAN, VPN, DNS, and ICS systems run smoothly.
  • Oversee Active Directory and Entra ID, handling user accounts, permissions, policies, and secure access controls.
  • Co-maintain cloud infrastructure, virtual machines, storage, and network security measures.
  • Administer VOIP and phone systems, including call recording, user setup, and vendor coordination.
  • Monitor and enhance cybersecurity, implementing MFA, SSO, incident response plans, and training users on security best practices.
  • Lead technology projects, upgrades, and automation initiatives to improve system efficiency and business continuity.
  • Manage and troubleshoot Exchange Online mailboxes, distribution groups, mail flow rules, spam filters, and email security policies

Qualifications and Experience:

  • Associate's degree in a technology-related field
  • Minimum 4 years in technology with server & network management
  • Microsoft Azure Platform
  • Microsoft Active Directory and Entra ID
  • Microsoft Windows Server 2016/2019/2022
  • Microsoft Windows Remote Desktop Service
  • Exchange Online
  • Cisco & Meraki Switches
  • Palo Alto Firewalls
  • SonicWall Firewalls
  • Vulnerability scanning
  • Microsoft Windows Operating Systems
  • Linux
  • Avaya Phone System
  • Camera Systems
  • TCP/IP, VLAN, DNS, SSL
  • Proven ability to troubleshoot software and hardware-related issues
  • Excellent strategic and business mindset
  • Passion for helping and supporting customers and employees

Hours: Monday - Friday with a rotating on-call schedule

What We Offer:

  • Health, Dental, Life, and Vision Insurance
  • PTO
  • 401(k) w/ match
  • Profit Sharing Incentive Bonus
  • Fun Committee
  • Paid Training/Educational Assistance

Nesnah Ventures is an Equal Opportunity Employer

Salary Description

$80,000 to $100,000 annually

Job ID: 522848317
Originally Posted on: 5/29/2026

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