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.

The Lead Architect owns the end-to-end technical design of enterprise applications built on Java and the Spring ecosystem. The role combines hands-on architecture of cloud-ready, event-driven microservices with technical leadership across the software development lifecycle - setting standards, mentoring engineers, driving engineering excellence and ensuring solutions are scalable, secure, resilient, and aligned with business goals. You will collaborate closely with cross-functional teams, including developers, product managers, and business stakeholders, to deliver innovative and future-proof solutions.

Key Responsibilities Own the end-to-end architecture for assigned systems, from solution design through detailed component, integration, and deployment architecture. Translate business and product requirements into scalable, secure, and maintainable technical solutions while collaborating closely with business, product, and delivery teams. Define and maintain architectural standards, best practices, governance frameworks, and technical roadmaps.

Ensure non-functional requirements including performance, scalability, security, availability, resilience, and fault tolerance are incorporated into all solutions.



Design and oversee the development of Java-based, cloud-ready microservices using Spring Boot, REST APIs, and event-driven architectures. Provide architectural guidance to development teams and ensure implementation aligns with the approved architecture.

Partners with product and delivery leads to estimate effort, sequence work, and manage architectural dependencies and technical risks. Lead the development of new features, enhancements, and modernization initiatives across the application landscape. Participate in and provide technical leadership throughout the Software Development Lifecycle (requirements, design, development, testing, deployment, and support).

Conduct architecture and code reviews to ensure compliance with coding standards, security guidelines, and quality best practices. Drive engineering excellence through Agile architecture, DevSecOps practices, CI/CD automation, and cloud adoption. Optimize application performance, troubleshooting complex technical issues, and continuously improving system reliability.

Mentor architects and senior developers while fostering collaboration, innovation, and technical excellence. Promote knowledge sharing through technical documentation, architecture artifacts, workshops, and training sessions.



Stay current with emerging technologies and evaluate their applicability to improve business outcomes and engineering capabilities Qualifications 10–12 years of experience in enterprise application development, with at least 3+ years in a Solution Architect or Technical Lead role.

Proven experience designing and delivering enterprise-scale, distributed applications and microservices. Solid expertise in Java SE/EE and Spring ecosystem (Spring Boot, Spring MVC, Spring Security). Proficiency in Java as the primary language, with working knowledge of Python or JavaScript as an advantage.

Experience designing RESTful APIs, microservices, event-driven architectures, and integration using SOAP where required.

Experience with messaging platforms such as Kafka or RabbitMQ and API Gateway technologies. Strong knowledge of relational databases (PostgreSQL, MySQL, SQL Server) and database design principles. Familiarity with front-end technologies such as HTML, CSS, JavaScript, and frameworks like React.

Experience with Git and modern software development workflows.

Experience implementing DevOps practices, CI/CD pipelines, automated testing, and cloud-native deployment patterns. Hands-on experience with a major cloud platform (AWS, Azure, or GCP) and experience with containerization and orchestration (Docker, Kubernetes). Familiarity with observability and monitoring tooling (e.g., Prometheus, Grafana, ELK) and SLO/SLA definition.

Strong analytical and problem-solving skills with the ability to troubleshoot complex technical issues. Ability to translate business requirements into scalable technical solutions aligned with enterprise architecture. Excellent stakeholder management and communication skills, with experience collaborating across engineering teams, business stakeholders, and senior leadership.

Ability to influence technical decisions and drive architectural governance across multiple teams.

📌 Business Solutions Lead Architect (Chennai)
🏢 Lennox India Technology Centre
📍 Chennai