Job Details

Join to apply for the Security Network Administrator role at Jensen Infrastructure.

What You'll Be Doing

Join a team that keeps critical infrastructure running strong. As a Security & Network Administrator at Jensen Infrastructure, you'll take ownership of the systems that power our operations—balancing hands-on network administration with cybersecurity expertise. You'll manage firewalls, VPNs, and connectivity across multiple sites, safeguard company data, and help strengthen our overall security posture. This role is ideal for a proactive IT professional who loves solving complex problems, thrives in a fast-moving environment, and wants to make an immediate impact while continuing to grow technically.

A Highlight Of Your Day-to-day Will Include

• Maintaining and securing network infrastructure, including firewalls, switches, routers, and VPNs.
• Monitoring system health, applying patches, and implementing security controls across servers and endpoints.
• Investigating, documenting, and resolving security incidents with a focus on continuous improvement.
• Managing user access, MFA, and conditional access policies within Microsoft Entra ID (Azure AD).
• Supporting and optimizing LAN/WAN/Wi-Fi performance across multiple locations.
• Participating in disaster recovery testing, backup validation, and infrastructure upgrades.
• Leading the company's IT Security Awareness Program.

Who We Are Looking For

• Bachelor's degree in IT, Computer Science, or equivalent experience.
• 3–5 years in network and/or security administration, ideally in a multi-site environment.
• Strong knowledge of LAN/WAN, VPN, VLANs, DNS, DHCP, and wireless networking.
• Experience configuring and securing Microsoft Entra ID, Azure AD, and Microsoft 365.
• Proven troubleshooting, analytical, and communication skills.
• Preferred: familiarity with OT/ICS networks, SIEM platforms (Sentinel, Splunk), and certifications such as Security+, Network+, or CCNA.

All About Jensen Infrastructure

Like you, our founder, Don Jensen was looking for a way to support his family, so he started his Company in 1968. Since its founding, we've supported communities across Nevada, California, Arizona, Washington, and Hawaii. Jensen Infrastructure builds essential infrastructure and related services that support communities and everyday life. When you work at Jensen, you will enjoy the close relationships and camaraderie of a small company while being part of a larger, well-established, growing organization.

We are committed to ensuring employment practices that promote equal opportunities. Please let us know if you require any reasonable accommodations during your interview.

Additional Compensation and Benefits

Jensen Infrastructure offers various competitive benefits, including medical, dental, vision, life insurance, disability insurance, PTO, and 401k. The successful candidate may also be eligible to participate in Jensen's annual incentive program, subject to the rules governing such programs.

Seniority level

• Mid-Senior level

Employment type

• Other

Job function

• Information Technology
• Industries
• Construction

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