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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.

Lennox HCS IoT platform is a cloud-based IoT solution that powers Lennox Smart Thermostats and connected products. The Cloud Solutions Lead Developer is responsible for improving and extending the Lennox HCS IoT platform, focusing on solution design, implementation, testing, and guiding software safely and efficiently to production.

• Lead and mentor developers while actively participating in the design, development, testing, and deployment of cloud-based applications using Azure, .NET, and Angular technologies.
• Collaborate with architects and cross-functional teams to define and implement scalable, secure, and maintainable cloud solution architectures aligned with enterprise and IoT platform standards.
• Use AI-assisted developer tools (such as GitHub Copilot or similar) throughout the entire SDLC-including requirements understanding, coding, unit testing, code reviews, refactoring, documentation, and production troubleshooting-to improve development velocity and quality.
• Ensure high code quality standards through best practices such as clean architecture, automated testing, peer reviews, and observability.
• Design and implement secure application and system integrations, including internal enterprise systems, cloud services, and external/third-party APIs using RESTful, event-driven, or messaging-based patterns.
• Address and remediate SAST and DAST findings, working closely with security and DevSecOps teams to reduce vulnerabilities, improve secure coding practices, and prevent recurrence.
• Implement and manage identity, authentication, and authorization using Azure Entra ID, including application registrations, managed identities, OAuth/OIDC flows, RBAC, and secure secrets management.
• Identify, analyze, and resolve performance, scalability, reliability, and cost-optimization issues in collaboration with DevOps and infrastructure teams.
• Create and maintain technical documentation such as architecture diagrams, API contracts, security flows, and operational documentation.
• Stay current on emerging technologies, cloud and security best practices, and AI-enabled software engineering trends, recommending improvements to enhance platform maturity and developer productivity.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• 8+ years of professional experience in full-stack software development with a strong emphasis on .NET / C#.
• 3+ years of hands-on experience designing, developing, and operating Azure-based cloud solutions.
• Strong proficiency in C#, ASP.NET / .NET, JavaScript, HTML, CSS, and modern front-end frameworks (Angular preferred; React or Vue acceptable).
• Solid experience with Azure services such as Azure App Service, Azure Functions, Azure SQL, Azure Storage, Azure DevOps, and Azure Kubernetes Service (AKS).
• Strong understanding of REST APIs, microservices architecture, containers, Kubernetes, and cloud-native design patterns.
• Experience with application security, including secure coding practices, vulnerability management, and remediation of SAST/DAST findings.
• Hands-on experience with Azure Entra ID (Azure AD) for identity, access management, and secure service-to-service communication.
• Experience integrating applications with internal systems, external partners, and third-party platforms.
•  Familiarity with DevOps and CI/CD pipelines, Git-based source control, and Agile/Scrum methodologies.
• Experience using AI-powered developer tools to improve engineering efficiency, code quality, and documentation
• Strong problem-solving and analytical skills with the ability to troubleshoot complex, distributed systems.
• Excellent written and verbal communication skills and the ability to collaborate effectively with cross-functional teams.
• Azure or .NET certifications are a plus but not required; Azure IoT experience is a plus.

Compensation: This is a salaried exempt role. The starting salary range for this role and market is between $132,000-$173,000 annually. Factors that may affect starting salary include geography/market and the skills, education, experience, and other qualifications of the successful candidate. Employees in this role are also eligible for an annual bonus in accordance with the terms of the Company's applicable plan. Employees in this role are not eligible for overtime.

Benefits: Subject to applicable eligibility requirements, the following benefits are offered for this role: tuition reimbursement; medical, dental, and vision insurance; prescription drug coverage; 401(k) retirement plan; short-term disability insurance; 8 weeks paid birthing leave; 2 weeks paid bonding leave; life and long-term disability insurance.

Depending on date of hire, and subject to applicable eligibility requirements, new employees in this role also receive up to: 12 days paid time off, 2 paid well-being days, 1 paid volunteer day, 12 paid holidays, and 3 floating holidays per year.

Our Culture: At Lennox, our Core Values of Integrity, Respect & Excellence are ingrained in the fabric of the organization. They define our culture - which is about how we do business and how we treat others. Lennox is not just a workplace; we are a global community that values each team member's contributions. As an equal opportunity employer, we are committed to recruit, develop, and retain talented individuals from a wide range of backgrounds, ensuring that everyone has the opportunity to succeed and contribute to our continued growth and success. At Lennox, you'll take pride in our brands, knowing you are part of something special. Come, stay, and grow with us! 

Disclaimers: The compensation and benefits information is accurate as of the date of this posting. Lennox reserves the right to modify this information at any time, with or without notice, subject to applicable law.