Hays Specialist Recruitment Limited
Infrastructure Engineer (PKI) – Paying up to £450 Per Day, Inside IR35, Based in South Wales, 4 to 6 Month Contract, To Start ASAP
Your new company
You will be working with a leading organisation that is based in South Wales.
Your new role
We're seeking an Infrastructure Engineer with strong PKI expertise to support a critical upgrade of an enterprise Public Key Infrastructure (PKI) environment, moving from Windows Server 2016 to Server 2025.
This is a hands-on delivery role for someone who has personally led or contributed to PKI upgrades or migrations and can step in quickly to help drive the programme forward.
The Role:
– Support the upgrade and modernisation of an existing PKI estate – Work across Microsoft Certificate Services (AD CS) – Ensure a secure and stable migration to Server 2025
Review and optimise:
– CA hierarchy (Root & Subordinate) – Certificate lifecycle & auto-enrolment – CRL / AIA configuration
– Troubleshoot and resolve PKI-related issues during transition – Work closely with internal teams to ensure smooth delivery
What you'll need to succeed
– Proven experience delivering PKI upgrades or migrations end-to-end
– Strong expertise in:
Microsoft PKI / AD CS Windows Server (2016 newer versions)
– Solid understanding of:
Certificate lifecycle management Secure enterprise infrastructure environments
– Ability to operate as a hands-on engineer, not purely advisory
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
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