Senior Information Security Engineer

The Hanover Insurance Group

Senior Information Security Engineer managing on-premise SIEM and IDS/IPS technologies for enterprise security. Overseeing organization’s security governance and ensuring threat detection capabilities remain robust.

Posted 7/30/2026full-timeRemote • Massachusetts • 🇺🇸 United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing and optimizing on-premise SIEM and IDS/IPS platforms, ensuring high availability and compliance with security governance frameworks. Proficient in log ingestion, correlation logic, and threat detection methodologies to enhance security monitoring capabilities.

Highest-signal resume keywords

On-Premise SIEM AdministrationOn-Premise IDS/IPS AdministrationLog Ingestion and Correlation LogicThreat Detection MethodologiesSecurity Governance Alignment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SIEM ArchitectureLog Ingestion PipelinesSignature TuningNetwork Traffic AnalysisSecurity Log FormatsLinux Server AdministrationWindows Server AdministrationEvent NormalizationIncident Response AnalysisCapacity Planning

Soft Skills

Analytical AbilitiesProblem-Solving SkillsExcellent CommunicationDetail-Oriented MindsetIndependent Work Capability

Industry Keywords

Security Monitoring TechnologiesGovernance FrameworksCompliance RequirementsOperational EffectivenessCross-Team Collaboration

Tech Stack

Tools & technologies

Linux

About the role

Key responsibilities & impact

Manage, maintain, and optimize the on-premise SIEM platform, including log ingestion, parsing, correlation rules, dashboards, and alerting.
Ensure SIEM availability, performance, and scalability to support enterprise security monitoring needs.
Develop and tune detection rules, correlation logic, and use cases aligned with threat intelligence and organizational risk.
Oversee log source onboarding, configuration, and validation across servers, applications, network devices, and security tools.
Conduct regular SIEM health checks, capacity planning, and lifecycle management.
Administer and maintain on-premise IDS/IPS platforms, ensuring accurate detection and prevention of malicious activity.
Tune signatures, policies, and rulesets to reduce false positives while maintaining strong detection coverage.
Monitor IDS/IPS performance, availability, and event trends to identify anomalies or operational issues.
Coordinate with network and security teams to implement policy updates, rule changes, and architectural improvements.
Ensure both SIEM and IDS/IPS solutions are aligned with security governance frameworks, compliance requirements, and organizational policies.
Maintain documentation for system configurations, processes, runbooks, and governance controls.
Support audit activities by providing evidence, reports, and system configuration details.
Participate in incident response activities by providing SIEM/IDS/IPS insights, event analysis, and technical expertise.
Evaluate emerging threats and recommend enhancements to detection logic and monitoring capabilities.
Collaborate with architecture and leadership teams to align SIEM and IDS/IPS strategies with long-term security objectives.
Identify opportunities to automate processes, improve detection fidelity, and enhance operational efficiency.

Requirements

What you’ll need

Minimum 5 years of hands-on experience administering, managing, and maintaining:
An on-premise SIEM security solution, and
An on-premise IDS/IPS security solution
Demonstrated experience ensuring high availability, governance alignment, and operational effectiveness of security monitoring technologies.
Strong understanding of SIEM architecture, log ingestion pipelines, correlation logic, and event normalization.
Expertise with IDS/IPS technologies, signature tuning, network traffic analysis, and threat detection methodologies.
Proficiency with security log formats (syslog, JSON, CEF, LEEF, etc.).
Familiarity with network protocols, firewall rules, and enterprise network architecture.
Experience with Linux/Windows server administration as it relates to security tooling.
Ability to analyze security events, identify patterns, and support incident response.
Strong analytical and problem-solving abilities.
Excellent communication skills for cross-team collaboration.
Ability to work independently in a remote environment while managing multiple priorities.
Detail-oriented mindset with a commitment to governance, documentation, and operational discipline.

Benefits

Comp & perks

Remote work arrangement