12 of 12 Contract Security Engineer Jobs in London

Security Engineer & Analyst Contracts - London A major security transformation programme is underway within a complex, large-scale hybrid cloud environment. We are building a specialist security rebuild team and are seeking both a Security Engineer and a Security Analyst to play critical roles … stabilisation, hardening, and long-term resilience. This is not a BAU support engagement. The environment is in active recovery and security uplift, requiring strong technical depth, analytical thinking, and the confidence to challenge assumptions. There is potential for additional hires as the team expands. This is a Hybrid Azure ...

Network Security Engineer | BTCC Location: [To Be Confirmed] Contract Type: Full-Time, Permanent Working Model: On-site/Hybrid (as applicable) Industry: Cryptocurrency/Blockchain/Fintech About BTCC Founded in 2011, BTCC is one of the world’s longest-running cryptocurrency exchanges, delivering secure, transparent, and high … asset trading infrastructure. With over a decade of operational excellence in global crypto markets, BTCC continues to invest heavily in strengthening its infrastructure and security architecture to support a rapidly expanding global user base. As part of our ongoing commitment to enterprise-grade security and resilience ...

Responsibilities: Security Onboarding & Product Integration: Collaborate closely with Product Team to integrate and onboard product to security controls. Work with CSO to agree compliance and onboarding requirements to CSO controls. Interpret security policies and standards to define appropriate control compliance for new and existing products. Facilitate … implementation of security controls, including but not limited to: certificate management, (automation) access management and Authorisation, data encryption, and secure configuration. Work with engineering teams to implement and test security controls. Develop and maintain documentation for security onboarding processes and control implementation. Security Control Evidencing & Audit ...

Security Engineer - SIEM, KQL- sought by investment bank based in London. *Inside IR35 - 3 days a week on-site** Key Responsibilities SIEM Management & Optimization: Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooks Develop advanced KQL queries for threat hunting and reporting Optimize SIEM performance … Detection & Use Case Development: Develop and refine detection rules based on threat intelligence and attack patterns Continuously improve detection efficacy and reduce false positives Security Monitoring & Incident Response: Monitor systems for anomalies and malicious activity Contribute to threat hunting and incident response playbooks Provide expert guidance on securing applications ...

Senior Network & Security Engineer (VCF/NSX-T/Automation) - Inside IR35 - London - Central (Hybrid) We're looking for an experienced Senior Network & Security Engineer to support the design, delivery, automation, and security hardening of a complex VMware Cloud Foundation (VCF)/NSX-T estate … within a high-security environment. Role Details: Contract length: 6 months (rolling) Daily rate: £500-£600 per day (Inside IR35) IR35 status: Inside IR35 Location: Hybrid - on-site in London Start date: ASAP Clearance: SC Cleared required (DV preferred) - DV Eligible Key Responsibilities: Lead ...

Senior Network & Security Engineer (VCF/NSX-T/Automation) - Inside IR35 - London - Central (Hybrid) We're looking for an experienced Senior Network & Security Engineer to support the design, delivery, automation, and security hardening of a complex VMware Cloud Foundation (VCF)/NSX-T estate … within a high-security environment click apply for full job details ...

Security Automation Engineer - 6-Month Contract - London - Inside IR35 My client, a leading global investment bank is looking for a Security Automation Engineer to modernise and automate security controls across the organisation. You'll develop custom tooling, integrate automation into pipelines, and replace manual security … with controls-as-code and policy-as-code solutions This is an engineering role (not SOC operations) focused on building scalable automation for multiple security controls and supporting wider security teams through improved efficiency. Key Responsibilities Develop automation for security controls and configuration Integrate automation into ...

Contract Cloud Security Operations Engineer - Quant Trading (Inside IR35, Hybrid): This is a unique opportunity for an experienced AWS-focused Cloud Security OPerations Engineer to join a leading Quant Trading firm on a contract/interim basis. The Cloud Security function, supports the secure … operation of the AWS cloud environments.This role is operationally focused, managing BAU cloud security activities, responding to business and infrastructure requests, monitoring alerts, and ensuring continuous compliance across the AWS estate. The role is effectively a DevSecOps role, the incoming Cloud Security Operations Engineer will be responsible ...

Title: Hardware Security Engineer Location: London (Remote) Duration: 9 Months Mode: Remote Role Overview The team within Information Security Engineering (based primarily in Zurich, with members in Poland) evaluates CPU vendor-reported vulnerabilities, assesses their impact, and provides mitigation recommendations. The work is highly specialized and focused … microarchitectural security (including RAM and GPUs). Candidate Profile - Key Signals Non-negotiable/Strong Signals: Deep understanding of speculative execution and microarchitectural security. Hands-on research experience (PhD-level research counts as relevant experience). Experience discovering new microarchitectural attacks. Acknowledgement from CPU vendors for responsibly disclosing hardware ...

Contract Cloud Security Operations Engineer - Quant Trading (Inside IR35, Hybrid): This is a unique opportunity for an experienced AWS-focused Cloud Security OPerations Engineer to join a leading Quant Trading firm on a contract/interim basis. The Cloud Security function, supports the secure ...

Application Diagnostics Engineer - Secure Browser Solutions (Endpoint Security) Location: London (London Wall) - Hybrid Rate: Circa £500 per day (Inside IR35) Duration: 12 Months Start: ASAP Overview We are seeking an experienced Web Application Diagnostics Engineer to join the Endpoint Security team, supporting a Secure Browser/… browsing technology. You will play a key role in diagnosing web application breakage, analysing network traffic flows, and working cross-functionally with network and security teams to resolve compatibility and performance issues. Key Responsibilities Provision and support components required for a Secure Browser/Browser Isolation solution Troubleshoot ...

Security Systems Field Service Engineer - CCTV Access Control Sub-contract, rolling relationship. Looking for an experienced Field Service Engineer able to fault find and service a variety of CCTV, Access Control, Door Entry Security Systems installed in blocks of flats. This role it to work ...