https://jobs.co.uk/job/infrastructure-engineer-pki-hays-specialist-recruitment--3cf8924e-dc6f-4cec-9437-7b3df9f1438b RSS feed for Infrastructure Engineer (PKI) at Hays Specialist Recruitment. en-gb Sat, 27 Jun 2026 21:33:18 GMT https://jobs.co.uk/job/infrastructure-engineer-pki-hays-specialist-recruitment--3cf8924e-dc6f-4cec-9437-7b3df9f1438b https://jobs.co.uk/job/infrastructure-engineer-pki-hays-specialist-recruitment--3cf8924e-dc6f-4cec-9437-7b3df9f1438b Sat, 27 Jun 2026 11:52:17 GMT Location: Cardiff | Salary: 400.00-400.00 Daily | Type: Contract | Infrastructure Engineer (PKI) - Paying up to £450 Per Day, Inside IR35, Based in South Wales, 4 to 6 Month Contract, To Start ASAPYour 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 2025Review and optimise:- CA hierarchy (Root andamp; Subordinate)- Certificate life cycle andamp; auto-enrolment- CRL/AIA configuration- Troubleshoot and resolve PKI-related issues during transition- Work closely with internal teams to ensure smooth deliveryWhat you''ll need to succeed - Proven experience delivering PKI upgrades or migrations end-to-end- Strong expertise in:Microsoft PKI/AD CSWindows Se... Contract