Mid​/Senior Network Test Automation Engineer (SD-WAN

Get to know us better

Codi Lime is a software and network engineering industry expert and the first-choice service partner for top global networking hardware providers, software providers and telecoms. We create proofs-of-concept, help our clients build new products, nurture existing ones and provide services in production environments. Our clients include both tech startups and big players in various industries and geographic locations (US, Japan, Israel, Europe).

While no longer a startup - we have 250+ people on board and have been operating since 2011 we have kept our people-oriented culture. Our values are simple:

• Act
  to deliver.

• Disrupt
  to grow.

• Team up
  to win.

You will join a newly formed team working for a globally recognized networking leader on their flagship SD-WAN product. The team’s mission is to keep the Routing SD-WAN area healthy through pre-commit testing: every pull request automatically triggers test suites on a large-scale CI/CD test orchestration platform, so bugs are caught before they ever reach the codebase.

Your work will revolve around developing and maintaining automated test suites for the Routing area, owning weekly regression runs, and triaging failures - from reading device and test logs, through distinguishing genuine product bugs from test-suite or environment issues, to raising well-documented defects. You will work hand in hand with the development teams to understand upcoming features and translate their use cases into test coverage.

The scale is significant: the platform executes hundreds of test suites and roughly a thousand test runs a day across pre-commit, nightly, and weekly pipelines. To keep triage fast at this scale, the workflow is supported by modern AI tooling - an AI-powered root cause analysis agent that turns hours of log digging into minutes, and collaboration bots that automatically pull the right people into dedicated spaces when a suite fails.

Technology stack:

• Python as the main automation language (pyATS and the client’s internal test framework)

• pytest

• Networking: routing protocols (BGP, OSPF), routing tables, VRFs, SD-WAN overlay (policies, IPsec tunnels)

• CI/CD:
  Jenkins, Git Hub pull request workflows

• AI tooling: AI-assisted root cause analysis, LLM coding assistants (Codex/Copilot-class tools)

• FastAPI (REST), async, subprocessing, JSON streams, caching

• Docker, Kubernetes

• Linux

What else you should know:

• The team is being formed right now - you will help shape how it works from day one

• Support is also available from the Dev Ops team, as Codi Lime engineers are responsible for developing and maintaining the CI/CD test orchestration platform

• You will cooperate directly with the development and test engineers in a distributed, international environment (Europe, India, US)

• AI tools are part of the daily workflow, not an afterthought

We work on multiple interesting projects at a time, so it may happen that we'll invite you to an interview for another project if we see that your competencies and profile are well suited for it.

As a part of the project team, you will be responsible for:

• Developing and maintaining automated test suites for the Routing SD-WAN area, executed on the CI/CD test orchestration platform (pre-commit PR testing and weekly runs)

• Owning weekly regression runs: monitoring results, triaging failures, and driving them to resolution

• Debugging failed runs - analyzing device, system, and test logs, distinguishing product bugs from test-suite or environment issues, and raising well-documented defects

• Collaborating closely with development teams to understand the features they deliver and designing test coverage for those use cases

• Extending test automation as new features are delivered in the Routing area

• Leveraging AI tools (AI-assisted RCA, LLM coding assistants) to speed up scripting, log analysis, and root cause identification

• Coordinating issue resolution with suite owners and dev/test engineers through dedicated collaboration channels

For success in this role, expertise in test automation, networking, and debugging is essential:

• Strong hands-on experience with Python-based test automation using pytest…