Senior DevOps Migration Consultant (6 month contract)

Working at The Adaptavist Group

The Adaptavist Group is a global family of companies with a common goal. We combine the best of teamwork, technology, and processes, helping all kinds of businesses be better today and tomorrow.

We are experts at delivering enterprise software, tailored solutions, and quality services across some of the world’s most trusted technology ecosystems, including Atlassian, AWS, Slack, GitLab, monday.com and Aha!

We make change happen. From anywhere.

About the role

• Our customer is exiting GitLab and migrating thousands of repositories to GitHub (SCM) while adopting Harness for CI/CD & STO, with security hardened via Snyk, SonarQube, OPA policies, and IDP via Entra ID (LDAP/SSO).
• As the Senior DevOps Migration Consultant, you’ll act as both technical lead and day-to-day client interface from discovery through cut-over.
  You’ll partner closely with GitHub and Harness teams to design a streamlined, automated end-to-end migration golden path. This engagement offers the opportunity to set enterprise DevSecOps standards within a senior, low-bureaucracy team

What you'll be doing

• Lead discovery workshops and inventory existing tooling (GitLab, Jenkins) to produce a migration plan.
• Design RBAC structure and implement repository migration automation (including full history, issues, and MRs).
• Define and implement Harness CI/CD reference pipelines, templates, and OPA guardrails.
• Integrate Harness with Snyk, SonarQube, and Artifactory for a secure supply chain.
• Coach ~350–400 developers on Harness workflows and inner-sourcing practices (template contribution).
• Act as trusted consultant to stakeholders, balancing technical leadership with hands-on delivery

What we're looking for

• Proven experience automating repository migrations GitLab → GitHub (including history/issues/MRs).

• Production expertise with Harness CI/CD and STO.

• Deep knowledge of CI/CD, Terraform IaC, OPA, and secure supply chain tooling (Artifactory, Snyk, SonarQube).

• Strong background in identity & access management (LDAP/Entra ID, SCIM, RBAC, audit).

• Solid AWS & Azure skills (EKS/AKS, IAM, landing zones).

• Polished consulting and stakeholder management skills with the ability to lead enterprise-scale transformation

Not ticking every box? That’s totally okay! Studies show that women and people of colour might hesitate to apply unless they meet every single requirement. At TAG, we’re dedicated to creating a diverse and welcoming team. If you’re passionate about this role and keen to learn and grow with us, we encourage you to apply, even if you don’t have everything that's listed just yet.

Drop us your application, we’d love to hear from you!

What to expect

We have published some support on Interviewing with us to try to alleviate any pre-interview anxieties, here you’ll find information to help you prepare and ace an interview at TAG.

You can read them here

Equal opportunities for everyone

At The Adaptavist Group, we are committed to promoting a diverse and inclusive community and believe this positively impacts both the creation of our innovative products and our delivery of bespoke solutions to our global customers and our own unique culture. We encourage all qualified applicants, regardless of age, disability, race, sexual orientation, religion or belief, sex, gender identity, pregnancy and maternity, marriage, and civil partnership status. From our family-friendly policies to our flexible work environment we offer a range of benefits and policies in order to support staff from all different backgrounds. If you have any questions, please do ask us.

Check out our WORK180 page

Check out our Flexa page

We look forward to your application!