---
title: 'Enterprise PKI Specialist (Contractor) at Qube Research & Technologies'
canonical: 'https://feeny.ai/job/enterprise-pki-specialist-contractor-qube-research-technologies-london-bdhm0rah9c36'
type: 'job'
last_seen: '2026-10-17'
---

# Enterprise PKI Specialist (Contractor) at Qube Research & Technologies

- **Company:** Qube Research & Technologies
- **Location:** London, United Kingdom
- **Posted:** 2026-10-13
- **Last confirmed live:** 2026-10-17
- **Apply:** https://job-boards.greenhouse.io/quberesearchandtechnologies/jobs/8588252002

## Job description

Enterprise PKI Specialist (Fixed Term Contract)

The Enterprise PKI Specialist is a senior technical specialist responsible for the design, implementation, governance, and evolution of Public Key Infrastructure (PKI) services across Qube Research & Technologies (QRT).

The successful candidate will serve as the organisation's primary PKI subject matter expert, providing strategic guidance, architectural leadership, hands-on engineering expertise, and technical governance across all PKI-related initiatives.

This is a highly specialised role requiring extensive experience designing, building, and modernising PKI environments within large enterprises. The successful candidate will have a proven track record of delivering PKI programmes from initial requirements gathering and architecture design through to implementation, operationalisation, and long-term governance.

PKI Architecture & Delivery

- Design and deliver enterprise grade PKI architecture and supporting operational model.
- Design and implement root and issuing Certificate Authority (CA) hierarchies.
- Define certificate policies, certificate profiles, naming standards, trust models, and operational controls.
- Design resilient, highly available PKI infrastructure and supporting services.
- Lead the implementation and migration of PKI platforms, tooling, and supporting infrastructure.
- Define disaster recovery, backup, recovery, and key protection requirements for PKI services.
- Design and oversee Hardware Security Module (HSM) integration and key management processes.
- Establish operational procedures for certificate issuance, renewal, revocation, recovery, and lifecycle management.
- Ensure solutions are scalable, supportable, and aligned with security and regulatory requirements.

PKI Subject Matter Expertise

- Act as the organisation's recognised PKI authority and trusted advisor.
- Provide expert guidance on certificate authority design, trust models, certificate lifecycle management, revocation strategies, and key protection.
- Advise engineering and platform teams on PKI integration requirements and best practices.
- Review proposed solutions and ensure alignment with established PKI standards and architectural principles.
- Provide technical leadership for complex PKI-related initiatives and problem resolution.

Machine Identity & Certificate Lifecycle Management

- Develop enterprise approaches for managing machine identities at scale.
- Design and implement automated certificate issuance, renewal, rotation, and revocation processes.
- Support certificate management across infrastructure, cloud, container, networking, and application environments.
- Reduce operational risk associated with certificate expiry and trust failures.
- Define standards for certificate discovery, inventory, monitoring, and reporting.

Stakeholder Engagement & Governance

- Work closely with infrastructure, engineering, cloud, security, risk, and operational teams.
- Translate complex PKI and cryptographic concepts into clear business and technical recommendations.
- Develop PKI standards, policies, procedures, and governance documentation.
- Support audits and regulatory reviews relating to cryptographic and PKI controls.
- Influence technical direction and ensure PKI considerations are embedded within strategic initiatives.

Essential Skills & Experience

- Proven experience designing and delivering enterprise PKI environments from inception through production operation.
- Extensive experience designing Root CA, Intermediate CA, and Issuing CA architectures.
- 10+ years of experience working with enterprise PKI, trust services, or cryptographic infrastructure.
- Strong understanding of offline Root CA designs, trust hierarchy models, certificate policy development, and PKI governance.
- Experience implementing and operating HSM-backed PKI environments.
- Deep knowledge of X.509 certificates, PKCS standards, CRLs, OCSP, certificate validation, and trust chains.
- Proven experience leading PKI programmes or transformations across multiple organisations.
- Ability to engage effectively with senior stakeholders, architects, engineers, auditors, and operational teams.

Desirable Skills & Experience

- Experience with Venafi, Keyfactor, DigiCert Trust Lifecycle Manager, Sectigo, EJBCA, HashiCorp Vault, or equivalent platforms.
- Experience with Microsoft Active Directory Certificate Services (AD CS) design and migration programmes.
- Experience implementing PKI within AWS, Azure, Kubernetes, and hybrid cloud environments.
- Experience supporting financial services, regulated industries, or large-scale enterprise environments.
- Relevant industry certifications in security, architecture, cloud, or cryptography.

Contract Details

- Fixed Term Contract
- Hybrid working model
- London-based role
- Competitive package dependent on experience

## About Qube Research & Technologies

## Company Overview
- **One-liner**: Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager that deploys data, research, and technology to execute multi-strategy trading across all asset classes.
- **Entity Type**: Private (Privately Held)
- **Headquarters**: London, United Kingdom
- **Founded**: 2018 (spun off from a systematic trading team at Credit Suisse, with roots tracing to 2016)
- **Founders**: Not publicly disclosed (spun out of Credit Suisse's systematic trading team)

## Core Business
- **Primary industry**: Financial Services / Quantitative Hedge Fund / Systematic Investment Management
- **Target customers**: Institutional investors (pension funds, sovereign wealth funds, endowments, and other large allocators)
- **Mission/purpose**: To combine data, research, technology, and trading expertise to solve complex challenges and deliver high-quality returns for investors.

## Products & Services
- **Multi-Strategy Investment Management**: QRT deploys a diverse range of investment strategies across geographies, asset classes (equities, fixed income, FX, commodities, crypto), and time frames (high-frequency to long-term). They operate as a systematic, data-driven hedge fund.
- **Quantitative Research & Technology Platform**: The firm's core offering is its proprietary technology and research platform, which enables quantitative researchers, data scientists, and software engineers to develop and execute trading models at scale.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (privately held)
- **Key Metric**: Total Funding: Not applicable (privately held, profitable firm). **Assets Under Management (AUM)**: Added $4bn in AUM between the start of 2024 and May 2024, returning 22% from January to April 2024 according to reports.
- **Notable Investors/Partners**: Institutional investors (pension funds, sovereign wealth funds, endowments). Spun off from Credit Suisse's systematic trading team.
- **Growth Signals**: Headcount grew **+56.4% YoY** to 1,787 employees. Expanded to 16 offices across 24 countries (including new offices in Dubai, Chicago, and New York). Over 100 active job openings. AUM grew significantly in 2024.

## Competitive Advantages
- **Data & Technology Moat**: Combines proprietary research, massive datasets, and advanced technology (including machine learning, low-latency C++/FPGA systems, and cloud infrastructure) to generate alpha across all asset classes and timeframes.
- **Multi-Strategy, Multi-Asset Diversification**: Operates across geographies, asset classes, and time horizons, reducing single-strategy risk and allowing capital to flow to the best opportunities.
- **Talent Density & Culture**: Rapidly hires top talent from competitors (Goldman Sachs, Citadel, Millennium, Credit Suisse) and top universities. A young, high-performance culture with 74% of staff aged 40 or under.
- **Compensation Model**: Over 40% of staff are part of a deferred compensation plan with exposure to fund performance, aligning employee incentives directly with investor returns.

## Strategic Focus
- **Aggressive Global Expansion**: Rapidly scaling headcount (+56% YoY) and opening new offices in key financial hubs (Dubai, Chicago, New York, Singapore, Hong Kong).
- **Technology & Infrastructure Investment**: Heavy investment in low-latency trading systems, FPGA engineering, cloud infrastructure, and data platforms (Snowflake, Python, C++, C#).
- **Talent Acquisition**: Prioritizing hiring top quantitative researchers, software engineers, data scientists, and traders from competitors and top universities. Over 100 open roles globally.
- **Crypto & New Asset Classes**: Actively building a crypto trading team and expanding into new asset classes and geographies.

## Why Work Here
- **Compensation & Career Growth**: Highly competitive pay. Interns can earn around $12k per month. Over 40% of staff are in a deferred compensation plan with exposure to fund performance. Glassdoor rating of 4.1/5.0, with compensation (4.0) and career opportunities (4.1) as top highlights.
- **Culture & Demographics**: Young, high-performance culture (74% of staff aged 40 or under, 38% aged 30 or under). 90% of staff reported good team morale in an internal survey. Described as a "fertile ground for experimental research."
- **Work Environment**: Hybrid/office-based depending on role and location. Offices in London (HQ), Paris, Hong Kong, Singapore, New York, Chicago, Dubai, Mumbai, Geneva, and more. New London office in Victoria.
- **Notable Perks**: Deferred compensation plan with fund performance exposure. Interns can earn around $12k per month. Strong focus on work-life balance initiatives.
- **Engineering Culture**: Heavy emphasis on technology (Python, C++, C#, Snowflake, FPGA, low-latency systems, MLflow, Kubernetes). 22% of staff are in Research roles, 6% in Technical roles. Strong support for coding initiatives and academic projects in maths and science.

## Sources
1. [qube-rt.com](https://www.qube-rt.com/)
2. [LinkedIn](https://www.linkedin.com/company/qube-rt)
3. [efinancialcareers-canada.com](https://www.efinancialcareers-canada.com/news/qube-research-and-technologies-hiring-and-culture)
4. [Greenhouse Job Board](http://job-boards.greenhouse.io/quberesearchandtechnologies?page=2)
5. [Careers Page](https://www.qube-rt.com/careers)

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