OpNET PKI Engineer

Quast Ltd is a technology contractor providing specialized security services to the UK Ministry of Defence.
$143,000
Security
Senior Software Engineer
Hybrid
5+ years of experience
Cybersecurity · Enterprise SaaS

Description For OpNET PKI Engineer

Quast Ltd is seeking a PKI Engineer to support the OpNET PKI infrastructure for the MOD's New Style of IT (Deployed) programme. This senior-level position focuses on ensuring secure and reliable certificate lifecycle management across multiple security domains. The role requires expertise in PKI technologies, cryptographic concepts, and MOD security policies. Working in a hybrid model at MOD Corsham, the successful candidate will be responsible for implementing and maintaining PKI solutions, managing digital certificates, and ensuring compliance with strict security standards. This is a unique opportunity for a security specialist with DV clearance to contribute to critical defence infrastructure. The position offers competitive daily rates and a stable long-term contract until 2026, making it ideal for experienced professionals in defence technology.

Last updated 2 hours ago

Responsibilities For OpNET PKI Engineer

  • Implement and maintain PKI solutions including Microsoft Certificate Services and Defence PKI (DPKI)
  • Manage certificate lifecycle including creation, distribution, storage, and revocation
  • Oversee PKI security compliance with MOD security policies
  • Monitor and manage OpNET certification authorities
  • Provide technical assurance and risk mitigation for PKI implementation
  • Participate in Service Management Meetings and Security Working Groups
  • Develop and maintain documentation for PKI operations and automation strategies

Requirements For OpNET PKI Engineer

  • DV Clearance and UK Nationality required
  • Strong knowledge of PKI technologies including certificate services, CEPCES, and NDES
  • Hands-on experience managing Microsoft PKI solutions in MOD/Defence environments
  • Understanding of cryptographic concepts
  • Experience with certificate-enabled applications (SSL/TLS, authentication, IDAM, Code Signing)
  • Knowledge of MOD classified CIS
  • Excellent written and verbal communication skills

Benefits For OpNET PKI Engineer

  • Contract position until March 31, 2026
  • Hybrid work arrangement (2 days per week in office)

Interested in this job?

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