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Test Engineer

Nexthop San Francisco, California, United States

onsitefull-time
Posted Nov 5, 2025Apply by Dec 5, 2025

Role & seniority: Senior QA / Test Engineer (5+ years in test/QA; startup environment)

Stack/tools

  • Networking tech: IOS, IOS-XR, EOS, Junos; traffic generators; network test hardware/software

  • OS/solutions: SONiC or other Open Source OS (desirable)

  • Automation: Python; C/C++; Ansible

  • Container/DB: Docker; SQL/NoSQL (nice-to-have)

  • AI/dev tools: Gemini, Copilot, Augment (nice-to-have)

Top 3 responsibilities

  • Execute and extend testing across platform, functional, feature, solution, and regression scopes; manual and automated testing

  • Design and maintain testbeds; qualify software releases and track quality metrics

  • Collaborate with POC engineers for customer-specific testing; assist Eng teams to reproduce faults and maintain/upd ate test scripts to prevent recurrence

Must-have skills

  • Bachelor’s degree in CS, SE, EE, or related field

  • 5+ years in test/QA/solutions testing; hands-on testing essential

  • Proficiency with networking technologies, protocols, designs; hands-on experience across NOS (IOS, IOS-XR, EOS, Junos)

  • Experience with traffic generators and network test hardware/software

  • Ability to write test plans and debug/troubleshoot complex networking issues (hardware/software)

  • Strong written and verbal communication

  • Proficiency in scripting (Python); programming (C/C++); automation tools (Ansible) is a plus

Nice-to-haves

  • Experience with SONiC or Open Source OS

  • AI development tooling (e.g., Gemini,

Full Description

Company Description

  • Nexthop AI is a team of industry-leading professionals with deep hardware and software expertise spanning silicon, systems, network operations and cloud development, dedicated to building innovative, bleeding-edge solutions for large-scale AI deployments. The team culture thrives on collaboration, creativity and fun while delivering foundational technologies for next-generation AI infrastructure.

Job Responsibilities

  • Testing of products and solutions - the testing can span platform testing, functional testing, feature testing, solution testing and regression testing.
  • Manual testing as well as building and enhancing test automation with scripting
  • Design and maintain testbeds, qualify software releases and deliver on quality metrics
  • Collaborate with POC eng for any customer specific testing efforts during POCs as needed
  • Collaborate with and help Eng teams (SW, HW, Support) in reproducing faults, as needed and regularly update test scripts to prevent recurrence of bugs

Qualifications: We're seeking individuals who thrive in a fast-paced, collaborative startup and possess exceptional problem-solving skills and a strong aptitude for taking initiative and learning. Additionally we value individuals who practice and instill customer empathy. The following skills are essential for this role

  • Bachelor’s degree in Computer Science, Software Engineering, Electrical Engineering or a related field
  • Minimum 5 years of relevant industry experience in test, QA, solutions testing roles. Hands-on testing experience is a MUST.
  • Proficient in networking technologies software, network protocols, network designs and deployments with hands-on experience across diverse Network Operating Systems (NOS) such as IOS, IOS-XR, EOS, and Junos
  • Proficient in working with well-known Traffic Generators and network test hardware and software solutions
  • Experience with SONiC (Software for Open Networking in the Cloud) or any Open source OS is highly desirable
  • Proven ability to write good test plans and effectively debug and troubleshoot complex networking issues (hardware and software)
  • Strong written and verbal communication skills is a must
  • Proficiency in scripting languages (e.g. Python), programming languages (C, C+), automation tools (e.g. Ansible), AI development tools (e.g. Gemini, Co-pilot, Augment; etc) is a plus
  • Familiarity with container technologies (e.g., Docker) and databases (e.g., SQL, NoSQL) is a plus

Why Us

  • Our company bolsters all the advantages of working at a startup with the expertise of a seasoned team who have successfully built startups into thriving companies. Here you’ll have the unique opportunity to collaborate and learn from top-tier engineers, while still working on mission critical projects. If you are excited to learn, solve hard problems at the forefront of computer systems, and be a part of shaping a burgeoning company, this is the place for you.
Test EngineeringQuality AssuranceNetworking TechnologiesNetwork ProtocolsNetwork DesignsNetwork DeploymentsTraffic GeneratorsTest AutomationScripting LanguagesProgramming LanguagesAI Development ToolsContainer TechnologiesDatabasesDebuggingTroubleshootingCollaborationCustomer Empathymulti-locationreview:company

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