Crypto Architect: PKI, Post-Quantum, HSMs (Hybrid Dublin)

Oliver James Group; Dublin; Hybrid; EUR 90,000 - 120,000; Part time

Job summary

Oliver James Group is seeking a Senior Security Architect in Dublin for a 6-month hybrid contract. You will lead the development of migration plans to integrate Certificate Authorities into an Enterprise PKI and shape post-quantum strategies to protect systems against future quantum threats.

You will oversee key management lifecycles, evaluate cryptographic implementations, and drive governance with reference to FIPS, Common Criteria, and NIST standards.

Qualifications

• 5+ years in security engineering or cryptographic research.
• Experience with PKI, TLS, and cryptographic algorithms.
• FIPS/NIST or similar standards knowledge.
• CISSP/CISM desirable.

Responsibilities

• Develop strategies and migration plans for integrating CAs into an Enterprise PKI.
• Drive post-quantum strategy and crypto-agility frameworks.
• Oversee lifecycle of encryption keys and integration with HSMs and KMS.
• Assess cryptographic implementations, APIs, PKI, and TLS for weaknesses.
• Conduct threat modelling across cloud-native apps, microservices, and hybrid infra.
• Establish enterprise cryptographic standards and document designs per standards (FIPS, Common Criteria, NIST).

Skills

Cryptography

Zero Trust

Threat Modelling

PKI Design

Security Architecture

Education

Bachelor's or Master's in CS/Math/Engineering

Tools

HSM

KMS

Job description

Oliver James Group is seeking a Senior Security Architect in Dublin for a 6-month hybrid contract. You will lead the development of migration plans to integrate Certificate Authorities into an Enterprise PKI and shape post-quantum strategies to protect systems against future quantum threats.

You will oversee key management lifecycles, evaluate cryptographic implementations, and drive governance with reference to FIPS, Common Criteria, and NIST standards.