Lennox
From Lennox's careers page
Status: listed on the employer's own careers page when we last checked (daily). Confirm on their site before applying.
At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services.
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.
Design and develop cloud-connected IoT software and embedded/edge components, with C++ as the primary language.
Build services for device onboarding, telemetry ingestion, device management, and command/control workflows.
Develop distributed, real-time communication components integrating Edge, HTTPS, and REST APIs.
Own successful implementation and delivery of software products and components throughout the product lifecycle, on time and with high quality.
Assure proper technical requirement definition with internal and external customers, marketing, manufacturing, and other support groups.
Lead technical design and architecture reviews, and participate in prototyping activities.
Collaborate with Architecture, Embedded, Mobile Apps, IT, Hardware, QA, Manufacturing, Technical Support, and Operations teams.
Actively participate in the definition and implementation of new processes and improvements.
Identify and create new technologies and ideas to increase the organization's intellectual property and to better address customer needs.
Mentor and train other engineers.
Having Open mindset to work with legacy network libraries in IoT domain
More curious to learn any Open Source libraries
10+ years of professional software development experience, with a focus on IoT and embedded systems.
Proficiency in C++ developing distributed, real-time applications.
5+ years of experience with multithreaded application development and debugging.
5+ years of experience with socket-level TCP and UDP development in C/C++, using modern debugging tools.
Strong understanding of software design principles and best practices; ability to develop unit-test-driven software components.
Cloud & IoT
Strong understanding of IoT architectures, protocols, and standards: MQTT, WebSockets, HTTPS, REST APIs, JSON/XML.
Experience with cloud IoT services such as Azure IoT Hub and AWS IoT Core.
Strong understanding of device-to-cloud integration.
Linux & Debugging
Strong Linux Ubuntu skills, including creating and maintaining system services and navigating the system using Bash.
Strong skills monitoring and managing Linux services and troubleshooting service failures using gdb, coredumps, trace files, and log files.
Strong networking skills (TCP, UDP, ARP, IGMP) with the ability to monitor and debug on a live system.
Strong experience using SSH to access and manage systems in the cloud.
Strong Bash shell script authoring and maintenance.
Network & Home Router
Strong understanding of Network Address Translation (NAT), network handshakes, and Round-Trip Time (RTT) analysis and debugging.
Strong understanding of Publisher-Subscriber (Pub-Sub) frameworks in the IoT domain, including MQTT brokers, DDS (Data Distribution Service) standards, message queuing systems, and streaming platforms.
Strong understanding of distributed systems architecture, clustering, and middleware concepts.
Strong understanding of client-server and Pub-Sub application development, packaging, deployment, and execution, including Debian packages (.deb) and standalone executable binaries.
Tools
Strong skills with Git and GitLab.
Experience with Visual Studio Code and Visual Studio with WSL.
Experience with Configuration Management tools (version control, bug tracking, change management, automated builds, and coding standards).
Experience with JetBrains CLion is a plus.
Remote debugging skills using gdb and gdbserver are a plus.
Experience with Artitellery or any load test framework is a puls
Experience with OpenDDS or another Data Distribution Service (DDS) middleware.
Experience with at least one other high-level language, such as C#, Java, Python, or Node.js.
Microservices architecture, Docker, and Kubernetes.
CI/CD experience (Azure DevOps, Jenkins, GitHub Actions, or similar).
Experience developing and deploying cloud applications on Microsoft Azure, with emphasis on: Virtual Machine Scale Sets; load balancing; Syslog and Azure Metrics reporting and monitoring reports; network VM maintenance planning and monitoring. Multi-region and availability-zone VMSS experience is a plus.
Azure DevOps Boards, Backlogs, Sprints, and Plans; ability to understand an Azure DevOps pipeline and the concepts it holds.
Experience working in Agile and globally distributed teams.
Teaming / Soft Skills
Excellent verbal and written communication skills, with technical and non-technical staff.
Strong technical leadership and architectural decision-making skills.
Ability to collaborate across multiple functional teams and external partners to deliver sound technical solutions to our customers.
Demonstrated ability to drive product and process improvements throughout the software organization.
Ability to work with third parties and offshore development teams as needed.
Self-driven, results oriented, with strong organizational skills and ability to train and mentor others.
BS in Computer Science, Computer Engineering, or equivalent is required.
MS in Computer Science/Computer Engineering or equivalent is preferred.
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