Senior CI/CD Engineer (DevOps)

Job description
ABOUT SIOUX
Sioux Group was founded in 1996 in the Netherlands. With over 1,400 engineers, Sioux supports or acts as the R&D partner of leading high-tech companies. We aim to add value to our clients by developing innovative and high-tech solutions that contribute to a smarter, safer, healthier, more enjoyable, and more sustainable society.
Sioux has been recognized as an employer of choice, including awards such as Best ICT Company to Work For and Great Place to Work. In addition to our strong presence in Europe, Sioux is rapidly expanding in Asia, with offices in Vietnam, China, Singapore, and India.
With a strong heritage and a diverse international team, Sioux is proud of our core values: Own it and make it happen, Grow and innovate together, and Surprise customers. If these values resonate with you, we would love to welcome you to our team.
We are seeking a highly skilled Senior CI/CD DevOps Engineer to help improve the reliability, performance, and automation of our continuous integration and delivery pipelines. This role is crucial for optimizing developer productivity, minimizing build downtime, and ensuring seamless integration testing across hybrid software/hardware environments.
Key Responsibilities
Pipeline Design & Optimization: Architect, standardize, and maintain reusable GitLab CI/CD pipeline definitions and workflows across multiple repositories and languages (C#/.NET, C++, Python).
Build System Performance: Deeply profile, tune, and optimize compilation, dependency caching, and build execution times for our C#/.NET and C++ software stacks.
Pipeline Reliability & Monitoring: Proactively investigate pipeline failures, eliminate intermittent/flaky build issues, and establish automated health checks and metrics dashboards to maximize pipeline uptime.
Test & Verification Workflow Integration: Collaborate closely with development and QA leads to embed automated unit testing, static code analysis (Coverity, SonarQube), and automated test bench verification triggers directly into CI workflows.
Artifact & Release Automation: Automate release packaging, versioning, artifact staging, and package registry management to streamline deployment handoffs.
Developer Workflow Enablement: Support development teams with best practices for branch merging strategies, MR verification gates, and fast-feedback developer loops.
Job requirements
Master's or Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or a related discipline.
At least 5 years of dedicated experience in CI/CD pipeline development, build engineering, and release automation supporting multi-repo, multi-technology codebases.
CI/CD Platform: Deep, hands-on expertise in GitLab CI/CD (crafting [protected info], DAGs, multi-project pipelines, artifact management, and caching strategies).
Containerization & Orchestration: Strong proficiency in Docker containerization (deploying/managing runners and building workloads).
Operating Systems & Scripting: High proficiency in scripting using PowerShell and Python for complex pipeline logic, build orchestration, and log extraction.
Hands-on experience with Linux, Docker, Kubernetes, and cloud-native deployment practices.
Solid understanding of microservice architecture and experience deploying and managing distributed systems.
Experience with monitoring and observability tools, especially OpenTelemetry, and managing alerts and incident response processes.
Proficiency in automation and scripting (e.g., Bash, Go, Python, or similar) for deployment and infrastructure tasks.
Experience with Infrastructure as Code (IaC) tools such as Terraform or Open Tofu.
Experience supporting software development for industrial, embedded, or hardware-integrated systems is highly preferred.
Problem-Solving & Communication: Proven ability to troubleshoot complex build/link failures and test automation integration issues, with strong English communication skills for cross-regional collaboration.
Preferred / Good to Have
Experience in high-tech machine automation, semiconductor equipment, or complex hardware/software integration environments.
Hands-on knowledge of static code analysis (Coverity, SonarQube) and test management integrations (XRay, Jira).
WHAT DO WE OFFER FOR YOU?
Compensation & Benefits
Attractive salary
13th-month salary depending on the employee's length of service
Project Bonus (twice per year)
Social Insurance is based on government regulations
Full salary during probation
Salary reviews: 1 time/year & Promotion opportunities: 2 times /year
Working hours & Leave
Flexible working hours working Monday - Friday, no OT
Hybrid working policy
19 leave days per year, for every 3 work years, +1 day to annual leave
Well-being
Sioux Care Package: Each employee is eligible for an assigned package (based on grade and length of service) up to VND 30,000,000/ employee/ year for well-being benefits, including Premium insurance for employee and family, Annual Health Check, Personal Development, Children's Education, Support subscription & WFH Equipment
Training & Development
Company-sponsored training: soft skills/ technical skills/ hot-trend technologies/ best practices/English etc
Onsite opportunities: long-term or short-term at other Sioux offices and client's destination overseas (where applicable)
Work anniversary bonus
1st anniversary = 1 million
3rd anniversary = 3 million
5th anniversary = 10 million
10th anniversary = 20 million
Social activities
Diverse company culture activities: Company trip, Annual Year End Party, Quarterly party, Company outings, Team building, Lunch & Learn Company anniversary, Family day, X-Mas party, Mid-Autumn, Snack Friday, Food and Snack in the fridge, etc
Sports activities: Football & Badminton club
Charity social responsibility activities
HOW TO APPLY? You can apply by sending your CV to [protected info]
Our notes for your job application:
We love to receive your CV in English
We will contact you (for the ones matching our criteria) within 2 weeks of your application date
If you don't find a job matching you, do not hesitate to send your CV to our email: [protected info] We are interested in thinking together with you about other job options
If you know someone who fits this position, please feel free to share this!
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