PKI Infrastructure Specialist

4 weeks ago


Corsham, Wiltshire, United Kingdom Experis UK Full time

The role of PKI Engineer at Experis UK involves the administration, maintenance, and support of all project domains' PKI, based around UK Defence and Microsoft Certificate Services.

The PKI Engineer is responsible for:

  • Implementation of the Defence / Microsoft PKI certificate lifecycle management solution.
  • Proposing and implementing improvements to the project PKI solution in accordance with standard procedures and change control policies and procedures.
  • Managing the deployment of any new or uplifted PKI solutions and services.
  • Implementing changes to the PKI infrastructure in accordance with change control policies and procedures.
  • Providing subject matter expertise, advice and guidance on matters relating to deployment and management of PKI services on deployed systems.
  • Managing the authorisation, creation, distribution, use, secure storage and revocation of digital certificates within the deployed DPKI solution.
  • Managing the project certification authorities to ensure the timely creation and distribution of Certificate Revocation Lists (CRLs).
  • Attending Service Management meetings and Security Working Groups, providing service performance data and promoting an understanding of PKI and its implementation and use in deployed environments.
  • Managing relationships with key stakeholder groups and end users to identify PKI requirements and develop requirements documentation.
  • Supporting and authoring documentation that supports the continuing maintenance and upkeep of the PKI solutions delivered.
  • Alerting the project Security Assurance Coordinator and IT Security Manager of unscheduled or rogue changes in the PKI, which may affect accreditation.
  • Supporting technical discussions and meetings with suppliers and other stakeholders.
  • Ensuring technical assurance of DPKI to ensure secure delivery in compliance with Defence policy requirements.

The ideal candidate will have:

  • Current experience of operating within an information security domain, particularly Defence.
  • A working knowledge of current PKI technologies, concepts, and their future direction.
  • Recent experience of integrating PKI software and hardware components into customer systems.
  • A general understanding of cryptographic concepts, including symmetric/asymmetric cryptography, secure hash, digital signatures.
  • Knowledge of Microsoft and Defence PKI management and Administration (Certificate Services, CEPCES, NDES).
  • Experience with certificate-enabled applications, such as SSL/TLS, authentication, IDAM, EFS, 802.1X, Code Signing, etc.
  • Practical knowledge and in-depth working experience of MoD classified CIS, and a knowledge and understanding of its technical designs, procedures/processes, and security documentation, accreditation and security design aspects.
  • Excellent written and verbal communication skills, with an ability to assimilate, digest and present information from multiple sources.
  • Ability and willingness to undergo a DV Clearance.

Applicants should submit their CV at their earliest convenience.

If you have not been contacted within 2 weeks, please accept that you have not been successful on this occasion.



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