Network Security Administrator at IDEXX

**Who this is for** This role is for a mid-level network security engineer dedicated to strengthening enterprise connectivity through robust DNS, IPAM, and Zero

Work type: onsite

Location: Westbrook, ME

Type: Full-time

Summary

**Who this is for** This role is for a mid-level network security engineer dedicated to strengthening enterprise connectivity through robust DNS, IPAM, and Zero Trust security architectures. **Key highlights** You will manage secure vendor access and DNS security, partner with cross-functional teams to implement Zero Trust policies, and serve as an escalation point for complex technical challenges. **You might be a good fit if you...** - Have 3-5+ years of hands-on experience in enterprise network security and IPAM/DNS management. - Demonstrate strong foundational knowledge of TCP/IP, routing, firewalls, and authentication protocols. - Can translate technical risks into clear, actionable engineering outcomes and documentation. - Are open to a hybrid work arrangement with regular on-site presence in Westbrook, ME.

Job Description

At IDEXX, our work helps create clarity in a complex and evolving world through diagnostic and software products and services. That clarity depends on secure, resilient connectivity and trusted access, especially across global teams, cloud services, and third-party vendor ecosystems.

We’re looking for a Network Security Engineerto provide hands-on engineering across our IPAM and DNS Security, Zero Trust Platform, and Secure Vendor Remote Access, strengthening IDEXX’s security posture while enabling the business at global scale.

Location:  We are looking for someone within driving distance to Westbrook, Maine, with the flexibility of working on a hybrid basis, a minimum of 8 days per month on-site. Alternatively, we are open to someone in Massachusettsor New Hampshire that could potentially also come on-site, but open to less times per month.

In this role, you will…

• Manage DNS security and IP address management platforms across the enterprise using our (IPAM, DNS/DHCP, DNS Security), ensuring reliability, security controls, and operational excellence.


• Optimize & Expand Zero Trust access by partnering with network, endpoint, and security teams to deliver secure user/app connectivity.


• Run secure third-party  access through our SVRA platform, enforcing least privilege  access, strong auditing, and vendor lifecycle controls.


• Translate risk into engineering outcomes: improve segmentation, policy, logging, and security automation that reduce exposure without slowing the business.


• Build clarity through standards and documentation: create runbooks, patterns, and reference architectures that make secure operations repeatable and scalable.


• Serve as an escalation point for complex issues and mentor other engineers through design reviews, troubleshooting, and best practice  adoption.

What You Will Need To Succeed…

• 3-5+ years of hands-on experience in enterprise network security engineering.


• 3-5+ years of strong experience in IPAM and DNS/DHCP, plus DNS Security administration and operational troubleshooting.


• 3-5+ years implementing Zero Trust  in production enterprise environments.


• 3-5+ years managing Secure Vendor Remote Access (or closely equivalent) with security controls and auditability.


• Strong foundational skills in TCP/IP, DNS, routing, firewall concepts, authentication/authorization, and security logging/monitoring.


• Ability to communicate clearly with both technical and nontechnical partners—turning complex systems into actionable decisions (and keeping the message customer focused ).

It would be a plus if you any of this experience…

• Automation or infrastructure as  code experience (APIs, scripting, policy automation, CI/CD integration).


• Experience integrating DNS and Zero Trust telemetry into SIEM/SOC workflows.


• Cloud networking/security exposure (Azure/AWS/GCP), plus enterprise identity integrations.


• Relevant certifications (e.g., Zscaler certs, CCNP Security, CISSP, GIAC).

We’re proud of the work we do, because our work matters. An innovation leader in every industry we serve, we follow our Purpose and Guiding Principles to help pet owners worldwide keep their companion animals healthy and happy, to ensure safe drinking water for billions, and to help farmers protect livestock and poultry from diseases. We have customers in over 175 countries and a global workforce of over 10,000 talented people.

So, what does that mean for you? We enrich the livelihoods of our employees with a positive and respectful work culture that embraces challenges and encourages learning and discovery.   At IDEXX, you will be supported by competitive compensation, incentives, and benefits while enjoying purposeful work that drives improvement. 

Let’s pursue what matters together. 

IDEXX values a diverse workforce and workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

View this job on nocollar jobs