Lorien
Cyber Security Infrastructure Engineer

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PKI & HSM Engineer
π Hybrid (Manchester / Farnborough / Corsham)
π° Inside IR35
π
Initial 7-Month Contract
Our client is looking for an experienced PKI & HSM Engineer to join a specialist cryptography team supporting a major security infrastructure migration programme.
This is a hands-on role focused on the management, maintenance, and migration of Hardware Security Modules (HSMs), alongside PKI and certificate management activities across both on-premise and cloud environments.
Key Responsibilities
- Manage and maintain HSM infrastructure.
- Support HSM migration activities across multiple sites.
- Execute and support cryptographic key ceremonies.
- Administer PKI environments and certificate lifecycle management.
- Manage large-scale certificate estates across AWS and on-prem platforms.
- Work closely with senior cryptography specialists on critical security initiatives.
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Iβm in my final year doing Economics and I donβt know whether to apply for grad schemes now or do a masters first. What do you think?
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Required Experience
- Strong hands-on experience with HSMs (ideally Thales Luna).
- Solid understanding of Public Key Infrastructure (PKI).
- Experience managing and supporting digital certificates at scale.
- Previous involvement in HSM migration projects.
- Experience supporting cryptographic key management processes and ceremonies.


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Desirable Skills
- CipherTrust Manager
- CyberArk Certificate Manager
- Zero Touch PKI
- Knowledge of NIST or CIS security frameworks
This is an excellent opportunity for a cryptography specialist to play a key role in a large-scale migration programme within a highly secure and technically challenging environment.
βIt took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what Iβve been looking for.β
Jessica, London
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