Post-Quantum Cryptography (PQC) Consultant

Protiviti Middle East Member Firm; Riyadh; On-site; SAR 180,000 - 240,000; Full time

Job summary

Protiviti Middle East Member Firm in Riyadh seeks a cybersecurity professional with strong fundamentals in cryptography, PKI, security architecture and enterprise security technologies to support PQC readiness and migration planning.

The role focuses on cryptographic discovery, CBOM development, quantum-risk assessments and crypto-agility, with opportunities to lead client workshops and deliver executive-ready materials.

Qualifications

• Bachelor’s degree or higher in a related field.
• Senior Consultant: 4–5+ years cybersecurity experience; Assistant Manager: 7+ years with workstream/client leadership.

Responsibilities

• Lead PQC readiness assessments and cryptographic maturity assessments.
• Support cryptographic discovery and CBOM development.
• Identify RSA, ECC, Diffie-Hellman and other cryptographic dependencies across apps, infra, cloud and networks.
• Assess PKI, certificates, HSM, KMS, TLS, VPN and key-management environments.
• Support quantum-risk assessments, crypto-agility strategies, target architectures and PQC migration roadmaps.
• Prepare client deliverables, executive presentations, proposals and reusable PQC methodologies/templates.
• Mentor junior resources and contribute to business development.

Skills

Cybersecurity experience

Cryptography fundamentals

RSA

ECC

Diffie-Hellman

AES

Digital signatures

Key exchange

PKI/IAM

TLS

HSM/KMS

Security architecture

Cloud security

DevSecOps

Communication skills

Leadership (workstreams)

Education

Bachelor’s degree in Computer Science, Cybersecurity, IT, Engineering or related field

Job description

Role Summary

We are looking for a cybersecurity professional with strong fundamentals in cryptography, PKI, security architecture and enterprise security technologies to support Protiviti’s growing Post-Quantum Cryptography (PQC) capability. The role will support PQC readiness, cryptographic discovery, CBOM development, quantum-risk assessment, crypto-agility and migration planning.

Key Responsibilities

• Conduct PQC readiness and cryptographic maturity assessments.
• Support cryptographic discovery and development of a Cryptographic Bill of Materials (CBOM).
• Identify RSA, ECC, Diffie-Hellman and other cryptographic dependencies across applications, infrastructure, cloud and networks.
• Assess PKI, certificates, HSM, KMS, TLS, VPN and key-management environments.
• Support quantum-risk assessments, crypto-agility strategies, target architectures and PQC migration roadmaps.
• Support PQC pilots, vendor/product evaluations and technology assessments across discovery, PKI/CLM, HSM/KMS and PQC enablement.
• Prepare client deliverables, executive presentations, proposals and reusable PQC methodologies/templates.
• Bachelor’s degree in Computer Science, Cybersecurity, IT, Engineering or a related field.
• Senior Consultant: 4–5+ years of cybersecurity experience; Assistant Manager: 7+ years with workstream/client leadership experience.
• Strong understanding of symmetric/asymmetric cryptography, RSA, ECC, Diffie-Hellman, AES, hashing, digital signatures and key exchange.
• Working knowledge of PKI, certificate lifecycle management, HSM/KMS, TLS and secure communication protocols.
• Experience in one or more of: Security Architecture, PKI/IAM, Cloud Security, Network Security, AppSec/DevSecOps or Infrastructure Security.
• Basic knowledge of PQC, NIST PQC standards, ML-KEM, ML-DSA and crypto-agility is preferred.
• Strong consulting, client communication, documentation and presentation skills.

Additional Expectations

• Lead PQC/cryptography assessment workstreams and client workshops.
• Review technical deliverables, manage stakeholders and mentor junior resources.
• Support proposals, effort estimation, vendor discussions and business development.
• Contribute to development of Protiviti’s PQC capability and go-to-market.

Preferred Training / Certifications

• CISSP / CCSP / Security Architecture certifications.
• SANS SEC530 / GIAC GDSA
• IBM Quantum-Safe Cryptography, NIST/NCCoE PQC learning, Linux Foundation/PQCA or other credible PQC training.