Security Architect

iO Associates - UK/EU; Greater London; Hybrid; GBP 40,000 - 50,000; Full time

Job summary

An innovative technology firm is seeking a Senior PKI Architect to design and implement cutting-edge Public Key Infrastructure solutions. This role involves leading technical discussions, engaging with clients, and mentoring junior team members. If you have a passion for cryptography and a strong background in PKI technologies, this is a fantastic opportunity to advance your career while working on high-profile projects that make a significant impact. Join a forward-thinking company that values technical excellence and client satisfaction in a flexible working environment.

Qualifications

• Expertise in designing and implementing PKI solutions.
• Strong understanding of cryptographic algorithms and key management.

Responsibilities

• Lead technical discussions and develop proposals for PKI.
• Design and implement PKI solutions while ensuring compliance.

Skills

PKI technologies and standards

Cryptographic algorithms

Stakeholder engagement

Technical documentation

Education

CISSP

CISM

CompTIA Security+

Tools

Keyfactor Command

Venafi TLS Protect

AppViewX CERT+

EJBCA

Microsoft AD CS

HSMs (Thales Luna)

AWS

Azure

Job description

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iO Associates - UK/EU provided pay range

This range is provided by iO Associates - UK/EU. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

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Lead Principal Consultant - Government, Defence & Security

Security Architect

Flexible / Hybrid Working with occasional travel for client meetings

About the Role:

iO Associates are partnering with a leading technology firm in their search for an experienced Senior PKI Architect.

Due to the exciting nature of the role and the projects you will be involved in, active SC or DV Clearance is required for eligibility.

In this role, you will be at the forefront of designing, implementing, and supporting cutting-edge Public Key Infrastructure (PKI) solutions for high-profile clients.

You will be involved in the entire solution lifecycle-from pre-sales architecture to implementation and ongoing internal improvements-driving strategic initiatives while ensuring technical excellence and a strong focus on client satisfaction.

Key Responsibilities:

• Pre-Sales & Client Engagement: Lead technical discussions, develop proposals, and educate stakeholders on PKI.
• Solution Architecture & Delivery: Design and implement PKI solutions, oversee CA/RA setups, and ensure compliance.
• Innovation & Improvement: Create design patterns, conduct reviews, and improve solution delivery.
• Team Development: Mentor junior team members and support hiring through your network.

Requirements:

• Expertise in PKI technologies and standards (X.509, SSL/TLS, S/MIME).
• Strong understanding of cryptographic algorithms, key management, and code signing.
• Hands-on experience with tools such as Keyfactor Command, Venafi TLS Protect, AppViewX CERT+, EJBCA, Microsoft AD CS, and HSMs (Thales Luna, EnTrust nCipher, Fortanix DSM).
• Cloud infrastructure experience (AWS, Azure).
• Familiarity with regulatory frameworks: NIST, GDPR, etc.
• Proficiency in technical documentation (MS Word, Visio, PowerPoint, Excel).
• Strong stakeholder engagement and communication skills.
• Desirable: CISSP, CISM, CompTIA Security+, or a recognised Vendor Certification.

If you are passionate about cryptography and PKI, and you're ready to take the next step in your career, we would love to hear from you.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology, Strategy/Planning, and Project Management

• Industries

  Technology, Information and Internet and Architecture and Planning

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