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This senior leadership role is responsible for embedding security by default across every layer of technology, ensuring that security controls are not only documented but consistently applied and operationally effective. The role owns information security operations and modern workplace services, sp

O Associates is recruiting an experienced Enterprise Security Architect with strong expertise in RAN security and 4G/5G networks to support a high-profile telecom programme in a secure, regulated environment. You will lead security architecture across Open RAN, 4G/5G, and Mobile Core, shaping secure

Harmonic Security is seeking a Senior Software Security Engineer to own our platform security architecture and write the code that embodies secure design. You will collaborate with the platform team, manage your security backlog, and run threat modeling to ensure security is built in from the start.

Bending Spoons is seeking a talented security-focused professional to assess and strengthen security across systems and infrastructure. You will conduct internal evaluations, implement countermeasures, and automate security practices embedded in engineering workflows to protect data.

GitLab is seeking a Director of Engineering, Security Factory, to lead the engineering organization responsible for GitLab’s customer-facing security capabilities across our AI-powered DevSecOps platform. You’ll guide teams that build proprietary scanners, AI-driven detection engines, agentic re

Are you a Security Architect looking for the opportunity to shape a security function rather than simply maintain one?. Help build and mature the Security Engineering capability as the team grows. Enterprise Security Architecture.

Strong understanding of cyber-security fundamentals, including vulnerability management, configuration compliance, attack-surface reduction, secure administration and least privilege. Strong understanding of endpoint management, endpoint security and enterprise IT operations.

Proven experience in information security, cyber security, risk management, or security operations. Strong knowledge of security governance, compliance, and control frameworks including ISO 27001 and NIST Cyber Security Framework. Work across diverse security disciplines - Engage with governance, ri

We’re working with a high-growth cybersecurity product business looking to hire a Head of DevSecOps to own and evolve their product security function. Embed security into engineering teams and delivery pipelines. Explore and scale AI-driven / agentic security tooling.

Cyber Security training courses is seeking an experienced Senior Storage Consultant with hands-on Dell PowerMax and SRDF Metro expertise to deliver enterprise storage solutions for high-profile, regulated environments.

CLS Group is seeking an IT Security Third Party Monitor & Compliance lead in London to establish and run a new Third‑Party Security Monitoring team. You will drive optimization of security obligations, ensure regulatory alignment, and oversee remediation with critical suppliers. The role requires

Cynergy Bank, the UK’s human digital bank, seeks a Head of Information Security to shape strategy, drive cloud adoption, and lead security operations within a fast-evolving financial services landscape.

You will thrive in leading offensive security testing, building relationships with Engineering teams and teaching offensive security best practice. You have proven hands-on experience in pentesting and offensive security across APIs, Cloud, Network and production infrastructure. Offensive Security E

BT Group in London seeks a Networks Cyber Security Principal to lead information security strategy, governance, risk and incident response across the BT Networks. You will drive cyber maturity and metrics, partnering with senior stakeholders to shape security requirements and roadmaps. The role invo

Applicants should have a strong background in various security domains, such as application and cloud security, with regular use of AI coding tools. Obsidian is seeking experienced security engineers to evaluate frontier AI coding models.

TfL is seeking a Head of Profession – Telecoms & OT Cyber Security to provide enterprise-wide leadership for telecoms, connected systems and OT cyber security.

The Product Security team at NielsenIQ is dedicated to enhancing business application security and making product teams accountable throughout the software development lifecycle. NielsenIQ is recruiting a Senior Director of Product Security to further bolster and mature its product security programs

You will partner with Security Architecture, Engineering, and business stakeholders to embed threat modeling in the SDLC and drive risk‑based security decisions.

Sr Director Product Security – Cybersecurity. The Product Security team at NielsenIQ is dedicated to enhancing business application security and making product teams accountable throughout the software development lifecycle. Work closely with Cybersecurity and Engineering leaders, business units,

Define security requirements for cryptographic key management, wallet security, node security, consensus mechanisms, and cross-chain integrations. Knowledge of application security, cloud security, threat modeling, and secure software development practices. Professional certifications such as CISSP,

Principal Security Architect (Product Security). As the most senior technical individual contributor in the security architecture practice, you set the technical bar the practice codifies into standards. The hardest security design problems land here, with real room to set the patterns.

The role requires a degree in CS or Cybersecurity, 5+ years in information security, and hands-on experience with firewalls, IDS, encryption, and cloud security in AWS/Azure. Helsing in London is seeking a Security Engineer to advance defense AI initiatives and safeguard our systems. You will design

As the demand for robust cybersecurity and trust solutions grows, we are seeking a Vice President (VP) to drive forward the sales, strategy, and delivery of our Digital Trust and Cyber security consulting offerings in the UK market. This executive will be responsible for driving the sales and busine

The role requires hands-on expertise, security-focused coding, and delivery within a hybrid setup (Canary Wharf) with a day rate of 700–850 GBP.

Intellias is seeking a hands‑on Senior Security Architect to define and ship IaC-driven identity patterns across a large, regulated financial estate. The role combines enterprise IAM, platform engineering, and cutting-edge agentic‑AI security work, offering high technical ownership and exposure

Technology & Cloud Security: Broad knowledge of Microsoft security platforms, Azure security, endpoint protection, network security, email security, secure configuration, logging, monitoring and hybrid infrastructure environments. Cyber Security Leadership: Strong knowledge of cyber governance, secu

Experience implementing cloud security, governance, resilience and compliance controls for public sector and regulated environments. Please note: Due to the nature of this role and specific client engagement, any offer of employment will be subject to satisfactory BPSS and SC security clearance.

Twilio is hiring a Staff Enterprise Security Engineer (AI Security) to lead the security strategy for AI ecosystems across the enterprise. This remote role is based in Ireland/UK, offering a chance to influence security posture at scale while working in a global, inclusive environment.

Whether your background is in security engineering with AI experience or as an AI engineer eager to deepen your security expertise, you will collaborate across teams, applying and expanding your skills to deliver robust, production‑ready protections and innovative security solutions at scale, with

Mastercard is seeking a Director of Security Solutions Sales for the United Kingdom & Ireland. You will drive growth, build strategic customer relationships, and lead cross-functional teams to close complex, consultative security solutions opportunities.

Lloyds Banking Group is seeking a Head of Cyber Defence Centre to lead an engineering‑first Cyber Defence Lab responsible for designing, building and operating resilient security capabilities across the UK’s largest digital bank. You will provide strategic direction for cyber defence, detection

Reporting to the Head of Security, this role involves managing infrastructure and networks within the London network security team, while working in a collaborative engineering environment where you can contribute expertise, take ownership of complex challenges, and work alongside passionate technol

You will bridge Security, Product, Engineering, Legal, and Sales to address security requirements and articulate capabilities across the customer lifecycle. The role influences product investments, leads security discussions, and drives scalable assurance processes while advancing AI governance and

This role exists to ensure security incidents are rare, contained, and unsurprising. Leading the end-to-end technical response to high‑severity security incidents. Raising the overall maturity of the Cyber Security function by pushing advanced response and exposure management practices into BAU op

G-Research in London seeks a Security Data and Platform Engineer to own the onboarding, tuning and evolution of security telemetry across cloud, hybrid and corporate environments. You will collaborate with SOC, CSIRT, Detection Engineering, Platform Engineering and Cloud teams to ensure high‑quali

London is seeking an experienced Data Architect to lead the strategy, design and evolution of a large-scale cloud data and integration ecosystem.This is an opportunity to shape architecture at enterprise level, influence senior stakeholders and drive the adoption of cutting-edge technologies across

Hunter Bond is seeking a Network Engineer (Security Focused) to join their elite tech firm based in London with a hybrid working model. Ideal candidates have 5+ years of experience and a strong interest in security technology.

Establishing governance, security and resilience frameworks. Data governance, security and operating models.

Foster cross‑functional cyber security collaboration between the IT Security function and business units/stakeholders, for example,. Provide expert contribution to the strategic alignment and effectiveness of the Business Management function within CLS’s IT Security Function, ensuring its contri

You’ll partner with Engineering, Product and Security to set standards for building and deploying transactional infrastructure on AWS.

The role involves delivering 1st Line Security Architecture, threat modelling, risk assessments, and engagement with senior stakeholders, with two days per week in the London office. Marcus Donald People Limited seeks a Principal Cyber Security Architect with SC Clearance for a strategic hybrid role

As our first dedicated security hire, you’ll shape and own the foundation of Wexler’s security program — spanning infrastructure, product, and compliance. Have worked within AWS’s security ecosystem and can comfortably navigate enterprise security tools across vendors. Take ownership of exis

Demonstrated expertise in multiple security domains, including network security, malware analysis, threat hunting, threat intelligence production, and security architecture and design, with proficiency in using Security Information and Event Management (SIEM) tools and advanced analytics techniques.

You will lead end-to-end security initiatives, drive detection and response, and partner with SRE, Data, Engineering, and GRC to improve security postures. Preply is seeking a Senior II Security Engineer to secure our hybrid cloud platform (AWS/Kubernetes, expanding to GCP). The role offers ownershi

You will work in a fast-moving environment that values independence, acceleration of learning, and impact across security initiatives.

The CyberSecurity Architect will deliver 1st Line Security Architecture and be involved in activities such as threat model, security impact assessments, risk assessments, security architecture (Within HLD, LLD), DPIA, CHECK ITHC scoping. Expertise in security architecture and applied security capabi

About your role As a Lead Enterprise Security Architect, you will be accountable for defining and governing Fidelity's enterprise security architecture strategy, ensuring Security by Design, Resilience by Design, and Identity by Design principles are embedded across all technology, business, data, c

State Street is seeking a Blockchain Security Architect to design, assess, and govern security architectures for blockchain ecosystems, digital assets, and tokenization platforms. You will collaborate with engineering, cloud, cybersecurity, and business teams to ensure secure adoption of distributed