Principal Network Security Administrator

IDEXX

. Define the overall security architecture and roadmap for Zero Trust, DNS Security/IPAM, and Secure Vendor Remote Access .

Posted 10/6/2026full-timeWestbrook • Maine • United StatesLead💰 $120,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in enterprise network security engineering, with a focus on Zero Trust architecture, DNS Security, and IP address management. Proven ability to lead complex security projects, mentor teams, and implement robust security controls and strategies.

Highest-signal resume keywords

Enterprise Network Security EngineeringZero Trust ImplementationIPAM and DNS/DHCP ManagementDNS Security AdministrationSecurity Automation Strategy

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Enterprise Network SecurityIP Address ManagementDNS SecurityTCP/IPRoutingFirewall ConceptsAuthentication/AuthorizationSecurity Logging/MonitoringCASBDLP

Soft Skills

Excellent CommunicationProblem SolvingMentoring

Tools & Technologies

Secure Vendor Remote AccessGenerative AI ControlSecurity Controls

Industry Keywords

Zero Trust ArchitectureOperational ExcellenceSecurity AuditingTechnical RecommendationsGlobal Environment

Tech Stack

Tools & technologies

DNSTCP/IP

About the role

Key responsibilities & impact

Define the overall security architecture and roadmap for Zero Trust, DNS Security/IPAM, and Secure Vendor Remote Access
Own enterprise DNS security and IP address management platforms, including IPAM, DNS/DHCP, and DNS Security
Set standards for reliability, security controls, and operational excellence
Architect and expand Zero Trust access in partnership with network, endpoint, and security leadership
Set strategy and governance for secure third-party access through the SVRA platform
Enforce least-privilege access, strong auditing, and vendor lifecycle controls
Support and mature CASB, Generative AI Control, and DLP capabilities
Research and evaluate emerging security technologies
Produce gap analyses and technical recommendations for enterprise architecture decisions
Drive segmentation, policy, logging, and security automation strategy
Create runbooks, reference architectures, and design patterns
Serve as the highest level of internal escalation for complex network security issues
Mentor engineers through design reviews, troubleshooting, and best-practice adoption
Assess and report on the impact and ramifications of proposed security changes
Provide input into broader infrastructure strategy

Requirements

What you’ll need

7+ years of hands-on experience in enterprise network security engineering
Expert-level knowledge of enterprise network security
Strong experience in IPAM and DNS/DHCP
Experience in DNS Security administration and operational troubleshooting
Experience implementing Zero Trust in production enterprise environments
Experience managing Secure Vendor Remote Access or closely equivalent systems, with security controls and auditability
Strong foundational skills in TCP/IP, DNS, routing, firewall concepts, authentication/authorization, and security logging/monitoring
Foundational knowledge of CASB, Generative AI Control, and DLP concepts and controls
Ability to work independently, requiring guidance only in the most complex situations
Recognized as an expert resource within and outside own discipline
Proven track record as technical lead on complex infrastructure/security projects
Ability to solve complex problems and take a broad perspective to identify solutions
Experience working in a global environment with 24/7 system availability requirements
Bachelor’s degree or equivalent combination of education and experience
Excellent communication skills for translating complex technical systems into actionable decisions for technical and non-technical partners
Ability to align a line of business around shared security outcomes

Benefits

Comp & perks

Opportunity for annual cash bonus
Health / Dental / Vision Benefits Day-One
5% matching 401k
Financial support
Pet insurance
Mental health resources
Volunteer paid days off
Employee stock program
Foundation donation matching
Competitive compensation and incentives
Positive and respectful work culture
Learning and discovery opportunities