Network Security Administrator

IDEXX•Westbrook, ME

22h•Hybrid

About The Position

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 Engineer to 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. 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. 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. IDEXX is an equal opportunity employer. Applicants will not be discriminated against because of race, color, creed, sex, sexual orientation, gender identity or expression, age, religion, national origin, citizenship status, disability, ancestry, marital status, veteran status, medical condition, or any protected category prohibited by local, state, or federal laws.

Requirements

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).

Nice To Haves

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).

Responsibilities

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.