SC Cleared PKI Consultant (Contract)

  • Curo Resourcing Ltd.
  • Stevenage, Hertfordshire
  • 03/08/2026
Full time Information Technology Telecommunications Testing

Job Description

We recruiting for a SC Cleared PKI Consultant to support the design and deployment of a Microsoft Active Directory Certificate Services (AD CS) environment within a highly secure enterprise estate. This is an excellent opportunity for an experienced PKI specialist with strong AD CS, NDES and certificate management expertise, ideally within security-conscious and complex enterprise environments.

Clearance: Security Clearance is highly desirable

The Role:

The requirement is to enable Microsoft AD CS to issue digital certificates within one Management Forest and one Resource Forest currently in scope, whilst producing a reusable build guide for future Forest deployments.

  • Two Single Domain Active Directory forests (one Management Forest and one Resource Forest).
  • Windows Server 2016 Forest Functional Level.
  • Windows Server 2022 Operating System.
  • Established trust relationships between forests and sites.
  • Mixed Windows and Linux estate, with the majority of servers running Linux.

The successful consultant will support the project through discovery, design, implementation, documentation and handover.

  • Discovery and Design Workshop.
  • Design Document for AD CS, NDES and five certificate templates.
  • Build of agreed PKI Environment including NDES and certificate templates.
  • Creation of build documentation and deployment guide for future Forest implementations.
  • Support the AD CS deployment whilst certificate templates are validated across Linux environments.
  • Review of PKI deployment in an additional Resource Forest.
Technical Skills Required:
  • Active Directory Certificate Services (AD CS).
  • Public Key Infrastructure (PKI).
  • Active Directory.
  • Windows Server 2016 / 2022.
  • Certificate template design and deployment.
  • Enterprise PKI architecture and implementation.
  • Build and deployment documentation.
  • Security-focused infrastructure design.
Scope Includes:
  • High-level design document for AD CS environment including Linux coexistence features such as NDES.
Design and configuration of certificate templates for:
  • Web Server certificates.
  • Domain Controllers for secure LDAP/GC.
  • iGEL certificates.
Deployment of:
  • 1 x Offline Root CA.
  • 4 x Issuing Cas.
  • Up to 4 x NDES Servers.
  • Certificate template configuration and testing.
  • PKI deployment review and assurance.
Soft Skills:
  • Ability to lead discovery and design workshops.
  • Excellent documentation and communication skills.
  • Experience working in secure and highly regulated environments.
  • Strong troubleshooting and problem-solving capability.
  • Ability to work independently and lead technical delivery workstreams.
  • Experience delivering structured handovers and operational documentation.