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Senior Software Test Automation Engineer

Lumilens· Engineering
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Bengaluru, IndiaFull-timePosted 2mo ago

About the role

Senior Software Test Engineer focused on software automation for optical product testing, working on Layer 1/Layer 2 validation, network protocols, and hardware/software integration using Python-based frameworks and IXIA traffic generators.

Responsibilities

  • Develop, maintain, and execute automated test cases in Python.
  • Perform functional, regression, and performance testing on Layer 1 and Layer 2 network systems.
  • Validate hardware and software integration with optical interfaces and network switches.
  • Configure and use traffic generators (e.g., IXIA) to simulate network environments and evaluate performance.
  • Collaborate with developers and hardware engineers to identify, reproduce, and resolve defects.
  • Document test cases, results, and defects in test management tools.
  • Maintain code and test assets in version control systems (GitHub or Bitbucket). Continuously improve test frameworks and methodologies.
  • Collaborate with design engineer and manufacturing teams to define and develop the test software for high-volume manufacturing of optical components.
  • Closely collaborate with engineering teams to improve manufacturing yield, efficiency and cost.
  • Owner of Manufacturing test scripts creating, maintaining, changing control.
  • Manage manufacturing software change control processes, system, through the execution.
  • Collaborate with software engineers, IT and database to define better solutions of manufacturing test data in reliability, reasonable cost, high efficiency and scalability.

Qualifications

  • Bachelor's or Master’s degree in Computer Science, Electronics, Telecommunications, or related field.
  • 4–8 years of hands-on experience in software testing and test automation of products used in optical networking.
  • Strong proficiency in Python for test automation.
  • Good understanding of Layer 1 and Layer 2 networking protocols.
  • Experience with optical testing, network switches, and traffic generators like IXIA.
  • Ability to debug issues in complex networking environments.
  • Experience with Jenkins or ArgoCD and other CI/CD tools.
  • Familiarity with Shell scripting for automation and environment setup.
  • Exposure to C# for UI validation or tool development is a plus.
  • Education & Background: Bachelor’s degree in Electrical Engineering, Computer Engineering, Physics, or related field; automated test system development for electronics and optics manufacturing; experience with optical testing equipment and coding; knowledge of optical transceiver manufacturing is a plus.

Skills

Required:Python for test automationLayer 1/Layer 2 networking protocolsIXIA traffic generatorsCI/CD tools (Jenkins, ArgoCD)Shell scripting
Nice to have:C# (UI validation or tooling)

Benefits

  • Competitive salary commensurate with experience.
  • Comprehensive benefits package including health insurance.
  • Professional development opportunities and certification support.
  • Access to cutting-edge technology and cloud platforms.
  • Collaborative work environment with cross-functional teams.
  • Lumilens is an equal opportunity employer.
Last updated Aug 8, 2026. Interested? Apply on the company site.

About Lumilens

Connectivity Platform for AI

Lumilens provides next-gen photonic interconnects for massively scaling out – and scaling up – AI compute infrastructure.

Photonic InterconnectsNext-Gen ManufacturingSystem-level knowledgeLumicore platformCPO/SiPh manufacturing
Company profileWebsite

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