Freelance DevOps Engineer

Our client is a global leader in the domain of clearing, offering access to a wide range of listed instruments on markets across the globe. We are a full subsidiary of a Dutch Bank, with offices in Amsterdam, Chicago, Sydney, Singapore, Tokyo Hong Kong, London, Sao Paulo and Frankfurt. IT is in the heart of our organization, where over 300 developers from more than 30 different product teams and 10 different platform teams try to build the best products & services for our clients.

Development Services Team

Development Services is an international/global team. Our vision is to enable development teams to adopt Standardized Platforms, Pipelines and DevX across all teams. As a member of Development Services team, you will be interacting very closely with product development teams, in different regions across the globe.

Your Job:

As a DevOps Engineer – Development Services, roll out GitLab standardized CI/CD pipelines across multiple product teams and regions. You will play a key role in the platform transition from Jenkins to GitLab CI/CD, and in enabling secure, scalable deployments on Red Hat OpenShift Private Cloud and AWS-based Public cloud platforms.

This role combines hands-on engineering, platform enablement, and DevSecOps governance in a regulated enterprise environment

With the following results:

Responsibilities:

CI/CD & Pipeline Engineering

Migrate from bitbucket & Jenkins, AWS CodeCommit & Code Pipeline to GitLab

Contribute to GitLab usage standards, pipeline templates, and best practices

Integrate GitLab with enterprise tooling (e.g. artifact repositories, security scanners, observability)

Apply Git workflows, branching strategies, and merge request standards (trunk based development with feature toggles)

Deploy and operate applications on Red Hat OpenShift (private cloud platform)

Support deployments on AWS based platforms (e.g. ECS/Fargate)

Security & Compliance (DevSecOps)

Embed security controls into CI/CD pipelines (SAST, DAST, dependency scanning)

Ensure pipelines comply with internal standards and regulatory requirements

Support audit ready pipeline designs and evidence generation

Collaboration & Enablement

Actively support development teams during migrations and onboarding

Deliver training sessions and workshops on pipelines, GitLab, and DevOps practices

Share knowledge and best practices across product teams and regions

Relevant knowledge skills & competences:

Required Experience & Skills

Strong hands on experience with GitLab CI/CD

Experience migrating from Jenkins pipelines to GitLab

Strong Git knowledge and modern branching strategies

Scripting skills (e.g. Python, Bash)

Experience working in complex, distributed enterprise environments

Technical Skills:

GitLab CI/CD Expert

Jenkins-to-GitLab Migration Experience

Git & Trunk-Based Development

Python/Bash Automation

DevSecOps Security Controls

OpenShift/Kubernetes

AWS Deployments

Profile & Competencies:

Strong engineering mindset and problem solving skills

Ownership mentality and ability to work independently

Excellent communication and stakeholder collaboration skills

Flexible, adaptive, and eager to continuously learn

Comfortable working across regions and cultures

Proven track record in large scale technical or migration initiatives

Education

Relevant Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field