PKI Security Engineer / CLM Implementation Engineer

PKI Security Engineer / CLM Implementation Engineer

Temporary 63000 - 77000 £ / year (est.) Hybrid
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At a Glance

  • Tasks: Lead the deployment of cutting-edge CLM and PQC platforms in a dynamic investment banking environment.
  • Company: Join a leading investment bank in London with a focus on innovation and security.
  • Benefits: Earn £700 per day, enjoy hybrid working, and gain valuable experience in a high-stakes industry.
  • Other info: Exciting opportunity for career growth in a fast-paced financial services sector.
  • Why this job: Make a real impact by enhancing security through advanced cryptographic solutions.
  • Qualifications: Proven experience in PKI and CLM implementation across complex environments.

The predicted salary is between 63000 - 77000 £ per year.

We are working with a leading investment banking client based in London to secure for them a PKI Security Engineer / CLM Implementation Engineer.

We are looking for a hands‑on CLM (Certificate Lifecycle Management) Implementation Engineer to lead the deployment and operationalisation of a selected CLM and Post‑Quantum Cryptography (PQC) platform.

This is an initial 6 month contract.

Paying £700 per day (Inside IR35), hybrid working (2/3 days a week in the London office).

  • Senior PKI / CLM Engineer with proven hands‑on experience implementing enterprise CLM (Certificate Lifecycle Management) platforms across complex, multi‑entity environments.
  • Strong PKI expertise, including Microsoft AD CS, Certificate Authorities, certificate templates, trust chains, OCSP, CRL and HSM integration.
  • Experience automating certificate lifecycle management across Windows, Linux, cloud, Kubernetes, network and Dev Ops environments, using ACME, SCEP, EST and APIs.
  • Knowledge of Post‑Quantum Cryptography (PQC), cryptographic discovery and migration planning, ideally within regulated financial services environments.
  • Proven hands‑on experience implementing and managing enterprise CLM platforms.
  • Strong PKI (Public Key Infrastructure) knowledge and certificate lifecycle management expertise.
  • Experience with platforms such as Venafi, Keyfactor or Digi Cert.
  • Experience deploying and operationalising CLM solutions rather than solely administering Microsoft AD CS / Windows PKI.

Responsibilities

  • Lead the end‑to‑end implementation, configuration and deployment of the selected CLM and PQC tooling.
  • Establish and operationalise certificate lifecycle management processes, replacing legacy encrypted certificates.
  • Troubleshoot technical issues and act as the operational subject‑matter expert for the platform.
  • Support the transition towards post‑quantum cryptographic resilience
  • Integrate CLM with enterprise infrastructure, applications, cloud platforms and PKI systems, automating certificate issuance, renewal, deployment and revocation.
  • Establish certificate discovery, inventory, monitoring and governance processes, identifying and remediating expired, weak, vulnerable or manually managed certificates.
  • Support Post‑Quantum Cryptography (PQC) readiness, assessing cryptographic risks, developing migration plans and providing technical SME guidance across infrastructure, security and application teams.

Keywords: CLM, Certificate Lifecycle Management, PKI, Public Key Infrastructure, Post‑Quantum Cryptography (PQC), Cryptography, Crypto‑Agility, Microsoft AD CS, Venafi, Keyfactor, Digi Cert, X.509 Certificates, Certificate Authorities (CA), HSM, ACME, SCEP, EST, Certificate Automation, Certificate Management, Certificate Discovery, Certificate Renewal, Certificate Revocation, TLS/SSL, Cryptographic Inventory, CBOM, Cyber Security, Infrastructure Security, Banking, Investment bank.

PKI Security Engineer / CLM Implementation Engineer employer: Scot Lewis Associates

As a leading UK Defence contractor, we pride ourselves on fostering a collaborative and high-performing work culture that empowers our employees to excel in their roles. Located in the vibrant areas of Malvern and Cheltenham, we offer competitive salaries, bonuses, and excellent benefits, alongside ample opportunities for professional growth and development within the National Security sector. Join us to be part of a team that values integrity, innovation, and strong customer relationships while contributing to critical projects that make a difference.

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Contact Details:

Scot Lewis Associates Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land PKI Security Engineer / CLM Implementation Engineer

✨Join Financial Networking Events

Jump into local finance meetups and conferences — they’re a goldmine for temporary roles in banking and financial services. You can chat with industry professionals and even get leads on upcoming opportunities that might not be posted online yet.

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Reach out to temp agencies that focus on the banking sector. They often have strong ties with various firms and can help you secure short-term gigs that can help beef up your CV and get your foot in the door at firms like Scot Lewis Associates.

✨Connect with Alumni from Your Uni

Don't underestimate the power of your university’s alumni network. Many former students are working in banking and can help you find temporary roles or even offer mentorship. Reach out directly or attend alumni events to broaden your circle.

✨Stay Active on Job Boards and Company Websites

Keep your eyes peeled on job boards specifically for finance roles. Companies like Scot Lewis Associates might post temporary positions directly on their sites, so make sure to apply there too. Set alerts to catch those roles the moment they go live!

We think you need these skills to ace PKI Security Engineer / CLM Implementation Engineer

PKI Expertise
Certificate Lifecycle Management (CLM)
Post-Quantum Cryptography (PQC)
Microsoft AD CS
Certificate Authorities
HSM Integration
Automation of Certificate Management

Some tips for your application 🫡

Show Off Your Academic Achievements:In banking and financial services, your academic record can really make you stand out. List relevant grades, certifications, or coursework on your CV, especially if you've taken finance-related modules. This is particularly important for a temporary role where qualifications can help you shine even brighter!

Highlight Relevant Experience:If you’ve done any internships, part-time roles, or even coursework that aligns with banking or finance, make sure you include those! Showcase specific tasks where you used quantitative skills or analytical thinking, as this is what the hiring managers at Scot Lewis Associates will be keen to see in your application.

Tailor Your Cover Letter Purposefully:When writing your cover letter, focus on why you’re interested in a temporary position at Scot Lewis Associates. Let them know how you can quickly adapt to the team's needs and how eager you are to learn the ropes of the banking sector during this short stint. Your motivation and enthusiasm could really set you apart!

Be Prepared with References:For temporary roles, references can play a crucial role in your application. Make sure you’ve got a couple of references lined up who can vouch for your skills and work ethic. This helps to give Scot Lewis Associates confidence in your short-term commitment to the role.

How to prepare for a job interview at Scot Lewis Associates

✨Brush Up on Financial Regulations

Since this is a role in banking and financial services, be ready to discuss key regulations like MiFID, Basel III, or GDPR. These are hot topics, and your awareness of how they impact daily operations can give you a significant edge during your interview with Scot Lewis Associates.

✨Showcase Your Analytical Skills

Prepare for interview questions that assess your analytical abilities. You might need to tackle hypothetical scenarios involving risk assessment or financial forecasting. Bringing examples of relevant projects or coursework can emphasise your practical understanding of these concepts.

✨Highlight Flexibility and Adaptability

For a temporary role, showing that you can quickly pick up new processes and tools is crucial. Be ready to discuss previous experiences where you had to adapt to changing requirements or tight deadlines, as this will reassure Scot Lewis Associates that you’re a reliable team player.

✨Demonstrate a Willingness to Learn

In a temporary position, leaning into your eagerness to learn can really set you apart. Be prepared to share how you’re staying updated on industry trends or any additional training you've pursued. Employers appreciate candidates who are proactive about their development—even for short-term roles.