376 to 400 of 550 Security Engineer Jobs in London

Test Automation Engineer – Security & Intelligence

Location
Greater London, England, United Kingdom
Role As an Automation Test Engineer, you will design, develop, integrate and maintain secure software services and mission applications within classified government environments. Working as part of Agile/DevSecOps delivery teams, you will play a key role in ensuring the quality, reliability and security of complex digital … planning, refinement, reviews and retrospectives Promote a proactive, quality-first approach, embedding testing best practices across teams Skills Required Experience working within the UK Security & Intelligence, defence or other secure government environments Strong background in software testing, test automation and quality engineering within Agile/DevSecOps delivery environments Experience ...

Onsite Security Integration Engineer

Location
Wembley, England, United Kingdom
Resident Security Integration Engineer at Securitas Technology will provide on-site technical support and maintenance for our security infrastructure across London sites. You will troubleshoot CCTV, access control, and related hardware, performing configuration and commissioning in Genetec Security Centre, CURE 9000, Lennell and similar systems. Working ...

Offensive Security Engineer

Location
Greater London, England, United Kingdom
innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers. ROLE SUMMARY: This opportunity within the Offensive Security Operations team is a crucial role for the management of vulnerability discovery, offensive testing and remediation activities across the group which protects the business … scope for the role include: Regulatory Threat Intelligence Led Pen Testing (TLTP) and Red teaming Bug Bounty Continuous External Attack Surface Management Active Directory security posture management Any programme launched in the future aimed at driving down cyber risk at scale The applicant will be a domain authority ...

Zero-Trust Security Engineer | ISO/27001 & Incident Response

Location
Greater London, England, United Kingdom
Church International is seeking a Cybersecurity Engineer to implement and maintain robust security measures across its infrastructure in a regulated industry. You will work on transitioning to a zero-trust operating model, support ISO27001 certification efforts, and align with CIS controls. You will maintain CrowdStrike, coordinate with … network team on posture management, and contribute to incident response and vulnerability management programs to elevate the firm’s security posture. #J-18808-Ljbffr ...

Security Information Engineer

Location
Greater London, England, United Kingdom
Requirements Experience with deploying and using a Security Information and Event Management (SIEM) Knowledge of current operating systems i.e., Windows Server 2016-2019, Windows 10, Mac OS and Linux Microsoft Policy & Security – GPO’s, Patching (WSUS), Defender Antivirus & Firewall Penetration Testing exposure/awareness Experience performing technical analysis … involving security event data and evaluating malicious activity Knowledge of TCP/IP and related network protocols: knowledge of standard network protocols like TCP, ARP, ICMP, DHCP, DNS, HTTP, SNMP, VPN etc., and accompanying protocol/packet analysis/manipulation tools Strong analytical and problem-solving skills Knowledge ...

Identity & Data Security Engineer

Location
Greater London, England, United Kingdom
About The Role We are recruiting for anIdentity & Data Security Engineerto join our Information Security Team . If you are passionate about identity and data governance , committed to achieving positive outcomes, and bringhands onexperience in this important area, we would love to hear from you. In this role … roadmap for the product and make recommendations on its future development and use. Monitoring and reporting on data governance effectiveness, policy compliance, and data security health. Supporting the organisational rollout of Purview features in structured phases and ensuring remediation of existing configurations. About You We are looking for someone ...

Cloud Security Engineer for Scalable Embedded Platform

Location
Greater London, England, United Kingdom
leading technology startup in Greater London is seeking a Software Engineer to develop security-focused cloud services and infrastructure. The ideal candidate will have 3+ years of specific industry experience and a strong grasp of distributed systems and cloud computing. Together with an innovative team, you will design … implement scalable systems that contribute to the deployment of cutting-edge security solutions. This role offers significant opportunities for professional growth and a chance to impact critical systems across industries. #J-18808-Ljbffr ...

AI Security Solutions Engineer — Demos & Integrations

Location
Greater London, England, United Kingdom
Refractal, a UK-based AI security company, seeks a customer-facing Security Solutions Engineer to bridge product capabilities with client needs in London. You’ll guide technical discovery, deliver tailored demonstrations, and help customers evaluate the value of Refractal’s security platform. You’ll collaborate with … sales, security and engineering teams to ensure smooth handovers into deployment, document requirements, and contribute to reusable demo materials. #J-18808-Ljbffr ...

AI-Driven Security Engineer (Applied AI)

Location
City of Westminster, England, United Kingdom
Meta is seeking Security Engineers to join the Applied AI Intelligence (AAI) organization. The role blends deep security expertise with frontier AI, building novel security capabilities and AI-powered defenses at Meta scale. Responsibilities include designing adversary research, threat analysis, detection engineering, and translating security expertise ...

Software Engineer - Platform Security

Location
Greater London, England, United Kingdom
Role Overview We’re hiring experienced engineers with a security mindset to expand our tooling, add new guardrails, and partner with Aura teams on secure design. Responsibilities Develop cloud-native controls in Azure, AWS and/or GCP to enforce the security baseline at scale, integrating with open … source and vendor tools as needed. Enhance product security along the software development lifecycle by creating paved roads and defining additional security and software excellence requirements for containerised services running on multiple managed Kubernetes clusters. Act as a subject matter expert for the Platform and Engineering teams ...

DevOps Engineer – Security & Intelligence

Location
Greater London, England, United Kingdom
recognition that highlights our commitment to creating an outstanding workplace where innovation, collaboration, and personal growth thrive. The Role As a DevOps/Platform Engineer, you will design, build and operate secure cloud and platform capabilities within classified government environments. Working across AWS and cloud-native technologies, you will … native infrastructure using AWS and Infrastructure as Code (e.g. Terraform, CloudFormation, Ansible) Support containerised platforms and environments, including Kubernetes, OpenShift, EKS and ECS Embed security controls, quality gates and compliance checks into DevSecOps workflows Implement observability, monitoring, logging and alerting to support reliable live services Contribute to SRE practices ...

Senior Security Engineer – Cloud, AI & FinTech Risk

Location
Greater London, England, United Kingdom
Intropic, a London-based financial information and software company, is seeking a security leader to own the entire security stack across cloud, endpoints, detection and response, compliance and IT. You set priorities, implement controls, and report on outcomes for a FinTech-scale operation. You will lead security ...

Senior Cyber Security Engineer (6‐Month Contract)

Location
Greater London, England, United Kingdom
Civic Recruitment Limited is seeking a senior cybersecurity engineer for a 6-month contract with a local authority in London. You will lead CrowdStrike Falcon deployment and ongoing management, design and tune Splunk dashboards, and act as a technical escalation point for security incidents. You will mentor … internal team, help mature security capabilities during a period of transition, and drive threat detection, incident response and automation enhancements within the SOC. #J-18808-Ljbffr ...

Staff Software Engineer - Corporate Actions & Security Master

Location
Greater London, England, United Kingdom
Staff Software Engineer - Corporate Actions & Security Master Remote - North America and Europe Who We Are: Alpaca is a US-headquartered, global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Amongst our subsidiaries, Alpaca is a licensed financial … Accountable—and are ready to make a significant impact, we encourage you to apply. Your Role Alpaca is looking for a hands-on engineer with deep knowledge of Corporate Actions and Security Master systems. You understand dividends, reorganizations, splits, mergers, tenders, redemptions, elections, and security lifecycle events. ...

SC Cleared Azure Infrastructure and Security Engineer

Hiring Organisation
Focus Cloud Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 700 Daily
partnering with a government sector client delivering a Microsoft cloud security modernisation programme, and are seeking an experienced Tenant Assessment Engineer to join on a contract basis. You will assess Azure environments to establish the infrastructure, identity, networking and connectivity foundations needed to support the programme. Working through … across Azure tenants and environments. Assess hosting, networking, identity, connectivity, Servers, endpoints and agents. Validate the infrastructure prerequisites required for Microsoft Sentinel and associated security services. Identify technical gaps, dependencies, blockers and remediation requirements. Gather and maintain evidence to support assessment findings. Assess and document tenant readiness. Recommend remediation ...

AI Security Engineer - Detection & Response Lead

Location
Greater London, England, United Kingdom
WRITER is seeking a Staff Detection and Response Engineer to protect our AI infrastructure. You will design AI-specific threat detections, automate responses, and coordinate incident handling across multiple teams. This role combines hands-on security engineering with strategic threat intelligence to stay ahead of evolving threats. … work with AI Security, Cloud Infrastructure, and Software Security teams to defend a leading AI platform, maintaining a 24/7 on-call rotation and driving #J-18808-Ljbffr ...

Senior Cloud Engineer - Security & Scale (AWS, Python)

Location
Greater London, England, United Kingdom
LexisNexis Risk Solutions seeks a software engineer to design, build, deploy and support production-ready AWS-based services with secure, observable operations. You will work in a cross-functional Agile team, mentor colleagues, and help shape engineering standards while delivering reliable releases. Candidates should have strong Python/JavaScript ...

Security Engineer — Fintech Platform, Hybrid

Location
Greater London, England, United Kingdom
seeking a security leader to build and scale its security function within a fintech environment. You will design and implement detection rules, incident response playbooks, and data protection controls across major SaaS platforms and cloud services. Responsibilities include driving cloud security, threat modelling, secure code review inputs ...

Onsite Security Integration Engineer – London

Location
Greater London, England, United Kingdom
Securitas Technology in London is seeking a Resident Security Integration Engineer to manage on-site security systems, including CCTV, access control, and integration tasks. You will troubleshoot, maintain, and optimize Genetec Security Centre and CCURE 9000 platforms while coordinating with internal teams and clients. The role ...

Hybrid Application Security Engineer: Secure Code & PenTesting

Location
Greater London, England, United Kingdom
Barclay Simpson is partnering with a leading UK financial services organisation to hire an Application Security Engineer. You will focus on secure code reviews, SAST/DAST, vulnerability assessments and embedding security throughout the CI/CD lifecycle. The role requires experience with OWASP Top 10, Veracode, DevSecOps … cloud security across Azure/AWS, plus Kali Linux for manual testing. Hybrid work in London, Manchester or Glasgow with in-office presence ~1 day per week. #J-18808-Ljbffr ...

Founding Cloud Infra & Security Engineer

Location
Greater London, England, United Kingdom
Seisa in London is seeking a security-focused platform owner to own the GCP stack, IAM, and evidence for SOC 2 and ISO 27001. You will implement IaC, manage Terraform, backups, and access controls, and coordinate audits with external firms. You will work with Python and CI pipelines, maintain ...

Software Engineer, Security Rules

Location
Greater London, England, United Kingdom
improve availability, performance, uptime, and response times, and make systems failure-resistant and ready-to-scale. We are looking for a talented Systems Engineer to join the Security Rules team. You will work on a range of microservices written mainly in Rust. Technologies we use include Docker … working hours to address technical issues as needed. What you’ll do Design, implement, and maintain the software systems that comprise Cloudflare’s Application Security Product Offering such as Rate Limiting, Web Application Firewall and more. Participate in all stages of the software development lifecycle, from designing and documenting ...

Remote Advanced Services Engineer — Security Outcomes

Location
Greater London, England, United Kingdom
Varonis invites an Advanced Services Engineer to guide customers from intent to measurable outcomes by implementing and maturing the Varonis data security platform. You will translate business goals into an execution plan, prioritizing adoption, operationalization, and risk reduction with clear targets. In this remote-friendly role, you will ...

Customer Security Engineer Customer Success View role →

Location
Greater London, England, United Kingdom
rely on after the deal closes: helping them scope engagements correctly, interpret findings, and get fixes shipped. This role sits at the intersection of security expertise and customer empathy. What you'll do Onboard new customers — configuring scope, policy flags, and integrations (Jira, Slack, GitHub, etc). Walk customers … high renewal and expansion rate through genuine technical trust, not just relationship management. What we're looking for 3+ years in a customer-facing security role — customer success, professional services, or security consulting. Able to read and explain security findings (web, API, cloud) to both engineers ...

Remote Security Operations Engineer - Incident Response

Location
Greater London, England, United Kingdom
Samsara is a publicly traded IoT platform company enabling digital transformation of physical operations. This Security Operations Engineer role focuses on protecting the company's people, systems, and information through alert triage, incident investigation, and security operations improvements. You will monitor security alerts across identity, endpoint ...