Senior Embedded Software Engineer

Legrand; Blumenau; On-site; BRL 180,000 - 240,000; Full time

Job summary

Legrand in Blumenau, Brazil, is seeking a Senior Embedded Software Engineer to join the Data Center Power and Control ZPE Systems Team. You will develop and maintain a world-class family of products deployed across network infrastructures globally, collaborating with teams in the USA and India.

The role emphasizes ownership of software areas, with responsibilities spanning network protocols, feature design, open-source maintenance, automated testing, and close collaboration with QA, Customer

Qualifications

• Bachelor’s degree in computer science, engineering, or related field.
• At least 3 years of professional software development experience; 5+ years preferred.
• Strong Linux command line experience and networking knowledge.

Responsibilities

• Support the development and debugging of network protocols and services.
• Design technical solutions for new features, with specs in Confluence.
• Maintain open-source packages, upgrades, security scanning.
• Write and run automated tests (Jest, ptest, bats, Robot/Jenkins).
• Collaborate with QA, improve tooling and workflows, document processes.
• Mentor interns and junior engineers; communicate task status in Jira.
• Provide expert-level support to Customer Support and Sales Engineering teams.
• Coordinate with Scrum team and Project Manager.

Skills

Linux CLI

Networking concepts

English proficiency

Ownership mindset

Communication skills

On-site in Blumenau

Education

Bachelor’s degree in Computer Science or Engineering

Tools

Yocto/Buildroot

Job description

• Brand Legrand
• Employment type Regular
• Travel Required No
• Job Category Product Development & Engineering

Job Description

Legrandhas an exciting opportunity for a Senior Embedded Software Engineer to join the Data Center Power and Control ZPE Systems Team. The engineer will work with the Nodegrid OS team in Blumenau, SC, Brazil, interacting with colleagues from all over the world (mainly USA and India) in a highly collaborative environment. They will develop and maintain a world-class family of products deployed across network infrastructures from hundreds of companies globally, including some of the world’s top tech giants. We’re interested in seeing them, with time, take full ownership of one or more areas of responsibility of the software development team, helping improve the fundamental efficiency and quality of ZPE’s product lines and internal processes.

Responsibilities

The engineer will be responsible for some of the following activities, according to their interests, skills, and company demands:

• Support the development and debugging of network protocols and services,
• Research, design, and propose appropriate technical solutions to implement new features requested by the product team, producing Feature Specification documents in Confluence,
• Maintain open-source third-party software packages, including upgrading and security scanning,
• Properly test implementations -- including writing and executing automated software tests with test frameworks such as Jest, Yocto’s ptest, bats, and Robot/Jenkins -- before handing over to the Quality Assurance team,
• Work together with the Quality Assurance team to ensure implementations are validated correctly,
• Contribute to improving the internal tooling and workflows of the development team, such as tweaking internal scripts and pipelines, researching code quality tools, improving internal documentation, and experimenting with AI tooling,
• Provide expert-level support to the Customer Support and Sales Engineering teams,
• Mentor other interns, juniors, and mid-level engineers,
• Communicate regularly with the Scrum team and Project Manager, as well as accurately registering task status in Jira.
  

Qualifications

Education:

• Bachelor’s degree in computer science, engineering, or related field. Differentials: Linux or network-related certifications; Pursuing or completed master’s or Ph.D. degree; Other higher education courses.

Experience:

• At least 3 years of professional software development experience. 5+ years and a previous role as senior or midlevel developer is desired.

Skills/Knowledge/Abilities:

These are the minimum skills we’re looking for in a good candidate. Outstanding candidates will have excellent knowledge/experience in one or more of these topics or adjacent skills:

• Proficient with Linux command line as a user or server administrator.
• Experience with Yocto or Buildroot is a differential.
• College-level understanding of computer networking concepts.
• Good communication skills and ability to work collaboratively in a team environment.
• English language: full proficiency for technical contexts (reading, writing, speaking, listening).
• A strong sense of ownership about their work.
• We prefer candidates who can work in-person in our office in Blumenau.
• Proficiency with AI tools can be a differential but is not a substitute for these skills.
  

About Us

About Legrand

Legrand is the global specialist in electrical and digital building infrastructures. Our comprehensive offering of solutions for residential, commercial, and data center markets makes us a benchmark for customers worldwide. We harness technological and societal trends with lasting impacts on buildings with the purpose of improving life by transforming the spaces where people live, work, and meet with electrical and digital infrastructures and connected solutions that are simple, innovative, and sustainable. Legrand is a global, publicly traded company listed on the Euronext (Legrand SA EPA: LR). For more information, visit www.legrandgroup.com/en

About Legrand North and Central America

Legrand, North & Central America (LNCA) is a leader in the AV, Lighting & Controls, Electrical, and Data Center markets. LNCA offers comprehensive medical, dental, and vision coverage, as well as distinctive benefits like a high employer 401K match, paid time off (PTO) and holiday pay, short-term and long-term disability benefit plans, above-benchmark paid maternity and parental leave, bonus opportunities in accordance with the Company’s incentive plans, paid time off to volunteer, and an active/growing Employee Resource Group network. For more information, visit legrand.us

About Legrand’s Data Center Power and Control Division

The industry-leading brands of Approved Networks,Ortronics, Raritan, Server Technology, and Starline empower Legrand’s Data, Power & Control to produce innovative solutions for data centers, building networks, and facility infrastructures. Our division designs, manufactures, and markets world-class products for a more productive and sustainable future. The exceptional reliability of our technologies results from decades of proven performance and a dedication to research and development.