Manager - Cyber Security

Company Profile

Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member's contributions and offers a supportive environment for career development. Come, stay, and grow with us.

Job Description

Key Responsibilities

SOC Leadership

• Lead enterprise Security Operations Center (SOC) and continuous security monitoring programs.
• Manage analysts and ensure effective detection, triage, investigation, escalation, and response.
• Drive operational excellence through process improvements, metrics, governance, and maturity initiatives.
• Oversee monitoring across cloud, identity, endpoint, network, applications, OT, and SaaS environments.
  
  

Incident Response & Crisis Management

• Lead cyber incident response activities including investigation, containment, eradication, recovery, and lessons learned.
• Coordinate with IT, Legal, Compliance, Privacy, and Business teams during major incidents.
• Maintain incident response plans, playbooks, escalation procedures, and conduct tabletop exercises.
  
  

SIEM & Detection Engineering

• Own SIEM operations, administration, governance, and platform optimization.
• Manage detection use case lifecycle, tuning, validation, and MITRE ATT&CK aligned coverage.
• Improve visibility through log onboarding, threat intelligence integration, and detection effectiveness programs.
  
  

EDR/XDR Operations

• Oversee enterprise EDR/XDR monitoring, investigations, and response activities.
• Lead containment actions including endpoint isolation, account suspension, credential resets, malware remediation, and IOC blocking.
• Ensure endpoint telemetry coverage and continuous enhancement of threat detection capabilities.
  
  

Data Loss Prevention (DLP)

• Manage enterprise DLP operations across endpoints, email, collaboration platforms, cloud applications, and data repositories.
• Investigate data protection incidents and drive policy tuning, classification, and governance initiatives.
• Ensure compliance with regulatory, privacy, and data protection requirements.
  
  

Threat Intelligence & Threat Hunting

• Operationalize threat intelligence into actionable detections and response strategies.
• Lead proactive threat hunting focused on ransomware, insider threats, identity compromise, cloud attacks, and advanced adversary activity.
• Convert hunting findings into detections, playbooks, and preventive controls.
  
  

AI / Automation & Operational Excellence

• Drive automation and AI-assisted workflows to improve analyst productivity and response efficiency.
• Partner with engineering teams to implement SOAR capabilities and reduce MTTD/MTTR.
• Standardize SOPs, runbooks, quality processes, and operational reporting.
  
  

Leadership & Governance

• Lead, mentor, and develop SOC analysts, incident responders, SIEM engineers, and DLP specialists.
• Manage cybersecurity vendors, service providers, budgets, and operational performance metrics.
• Support audits, compliance assessments, executive reporting, and act as the primary escalation point for cyber defense operations.
  
  

Qualifications

• 15+ years of cybersecurity experience.
• 5+ years managing SOC, Incident Response, or Cyber Defense teams.
• Experience operating enterprise-scale security monitoring programs.
• Proven experience handling major cybersecurity incidents.
• Experience leading security transformation and operational maturity initiatives.