Freelance DevOps Engineer (ZZP)

Randstad Freelance; Amsterdam; Sur place; EUR 17 000 - 25 000; Temps partiel

Résumé du poste

Randstad Freelance is seeking a DevOps Engineer in Development Services to roll out standardized GitLab CI/CD pipelines across multiple product teams and regions. You will drive the transition from Jenkins to GitLab and enable secure, scalable deployments on OpenShift and AWS, while embedding DevSecOps governance in a regulated enterprise.

You will collaborate with cross‑regional teams, provide training, and help establish best practices for pipeline design, security tooling, and trunk-based

Qualifications

• Strong hands-on experience with GitLab CI/CD
• Experience migrating from Jenkins pipelines to GitLab
• Strong Git knowledge and modern branching strategies
• Scripting skills (Python, Bash)
• Experience in complex, distributed enterprise environments

Responsabilités

• Migrate from Jenkins/Bitbucket to GitLab CI/CD pipelines
• Contribute to GitLab usage standards, templates, and best practices
• Integrate GitLab with enterprise tooling (artifact repos, security scanners, observability)
• Apply trunk-based development with feature toggles
• Deploy and operate apps on Red Hat OpenShift (private cloud)
• Support deployments on AWS platforms (ECS/Fargate)
• 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
• Deliver training on pipelines, GitLab, and DevOps practices
• Share knowledge across regions and product teams

Connaissances

GitLab CI/CD

Jenkins-to-GitLab Migration

Git & Trunk-Based Development

Python

Bash

OpenShift/Kubernetes

AWS Deployments

DevSecOps

Formation

Bachelor's or Master's in Computer Science or Engineering

Outils

GitLab

Jenkins

OpenShift

Kubernetes

AWS

Python

Bash

Description du poste

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

Dienstverband: parttime

Type vacature: Intern

Vaardigheden

• Er is geen minimale opleiding vereist
• Je beheerst Engels

Wat wij bieden

Contract: parttime