Senior Cyber Defense Infrastructure Engineer (Security Tooling Operations)

IDEXX•Westbrook, ME

2d•$120,000 - $150,000

About The Position

We are seeking a Senior Cyber Defense Infrastructure Engineer to ensure the reliable operation, performance, and lifecycle management of enterprise information security tooling. This role is critical to maintaining the availability and effectiveness of the platforms that protect the organization’s systems, data, and users. Security tooling is only effective when it is operationally sound. In this role, you will directly enable the organization’s cyber defense capabilities by ensuring critical security platforms are resilient, scalable, and reliable—supporting everything from threat detection to incident response. You will serve as the operational owner for core security platforms, working closely with Security Architecture, Security Operations, Cloud Engineering, and IT teams to ensure tools are properly deployed, integrated, maintained, and ready to support detection and response activities at scale.

Requirements

5+ years of experience supporting or engineering enterprise security platforms
Hands-on experience with one or more of the following: Endpoint protection / EDR tools, SIEM or security analytics platforms, Vulnerability management solutions, Cloud or infrastructure security tooling
Strong understanding of: Linux and/or Windows systems, Cloud environments (AWS, Azure, or hybrid), System integrations, logging, and telemetry pipelines
Experience working within change, incident, and problem management processes

Nice To Haves

Experience in large-scale or regulated enterprise environments
Familiarity with security frameworks such as NIST CSF, CIS Controls
Experience supporting SOC or incident response teams
Relevant certifications (preferred but not required), such as cloud or security certifications

Responsibilities

Lead the post-selection deployment, configuration, and operationalization of enterprise security tools in alignment with approved architectures and standards
Implement baseline configurations, integrations, and scaling required to bring new security platforms into production-ready operational state
Partner with Security Architecture and platform teams to operationalize approved tool designs, ensuring reliability, availability, and supportability
Develop monitoring, runbooks, and operational processes to support secure and reliable ongoing operations following rollout
Configure, maintain, patch, and upgrade security tools in alignment with architectural standards
Manage security tool lifecycles, including scaling, optimization, and decommissioning
Implement and maintain integrations with cloud platforms, identity systems, logging pipelines, and operational tools
Develop and maintain operational documentation, runbooks, and support procedures
Partner with incident response teams to ensure tools are fully operational during security events
Support audits and assessments by demonstrating tooling configuration, availability, and operational controls
Work closely with Security Architecture to operationalize new tooling and designs
Collaborate with Security Operations teams to support detection and response capabilities
Identify opportunities to improve tooling reliability, automation, and operational efficiency