CI Engineer

Vertex Sigma Software

Foster City, California, United States Hybrid contract

Posted: November 21, 2025

Job Description

We are developing state of the art autonomous vehicle software for our purpose built vehicle. We believe that developing the end to end product will not only get us to market faster but will also result in a superior customer experience.

We are seeking a skilled CI Engineer to specialize in our Continuous Integration (CI) systems. In this role, you will be a key contributor to our engineering velocity, designing, building, and optimizing the automated pipelines and infrastructure that ensure our codebase is built, tested, and validated efficiently. You will be a hands-on expert in CI infrastructure, helping to provide a fast and reliable feedback loop for all developers.

Key Responsibilities:

• CI Infrastructure: Administer and maintain the infrastructure (e.g., build agents, runners, CI images, and worker pools) that powers the CI system.
• CI Pipeline Management: Design, implement, and maintain scalable and reliable CI pipelines for a diverse set of software use cases.
• Troubleshooting: Diagnose and resolve complex CI failures, dependency issues, and performance bottlenecks within the CI environment.
• Collaborate with CI Platform Engineers: Work alongside CI platform engineers to enhance the reliability, efficiency, and continuous improvement of our CI platform.

Requirements:
Required Qualifications:

• 2-4 years of experience in a SRE or DevOps role
• Bachelor’s degree in Computer Science
• Expertise with at least one major CI platform (BuildKite, Jenkins, GHA and etc).
• Familiarity with cloud platforms (AWS, GCP, Azure), in resource provision, autoscaling configuration, and block storage management.".
• Solid understanding of containerization and Docker.
• Proficiency in scripting languages (e.g., Python, Bash) for build automation.

Preferred Qualifications:

• Hands-on experience with Buildkite.
• Experience with modern build tools (e.g., Bazel, Gradle).
• Experience with source control systems, particularly Git.
• Experience working in a monorepo environment.
• Strong communication and collaboration skills in a cross-functional environment.

Benefits:
• Health Care Plan (Medical, Dental & Vision)

• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation, Sick & Public Holidays)
• Training & Development
• Retirement Plan (401k, IRA)
• Free breakfast and lunch

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