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.
The Lead Architect – Cyber Defense is responsible for strengthening Lennox’s enterprise cybersecurity defense posture by designing, governing, and continuously modernizing security architecture across EDR, SIEM, Cloud Security, Data Loss Prevention (DLP), and Email Security, with an Automation- and AI-first approach. The role ensures detection and response at machine speed to counter automated and AI-driven attacks.
Own enterprise defensive cybersecurity architecture; Lead EDR, SIEM, Cloud, DLP, and Email Security strategy; Drive automation and AI-first defense; Enable machine-speed detection and response; Lead periodic technology upgrades to stay ahead of evolving threats.
Automation & AI Focus
Champion continuous technology modernization, automation, and AI-driven security controls to counter high-velocity and machine-driven attacks, reducing dependency on manual human response.
Required Experience
10–14+ years in cybersecurity engineering or architecture; strong expertise in EDR, SIEM, Cloud Security, DLP, Email Security, automation, and AI-driven detection; deep understanding of MITRE ATT&CK and NIST frameworks.
Success Indicators
Improved detection accuracy; reduced response time; effective automation against machine-speed attacks; resilient and audit-ready security architecture.
Lennox (NYSE: LII) is a leading provider of innovative climate control solutions for heating, ventilation, air conditioning, and refrigeration (HVACR) markets.
Beginning over a century ago, Lennox has built a strong heritage of Innovation and Responsibility. Our position as an innovation leader continually inspires us to promote more efficient energy use and a healthier environment through our product operations. Our engaged and diverse workforce is committed to providing climate control solutions that provide the most value and comfort for our customers.
We are proud to have instilled a shared sense of responsibility and commitment among our approximately 10,000 employees located throughout North America and Asia. Lennox is publicly traded on the NYSE and has paid steady dividends on profits. (LII)
The Corporation's brands include Lennox, Allied Air, Armstrong Air, Heatcraft, Ducane, Magic-Pak, and Friga-Bohn.
Lennox is an Equal Opportunity Employer and supports a diverse, inclusive work environment.
