9 of 9 Contract Security Engineer Jobs in London

Network Security Engineer – Contract Location: Fully Remote Rate: Up to £550 per day (Inside IR35) Duration: 6 Months About the Role We are seeking an experienced Network Security Engineer to join on a 6-month contract . This is a fully remote role, offering an opportunity to work on high-impact security projects and infrastructure … initiatives. You’ll be responsible for strengthening the security posture, managing critical systems, and mitigating risks across cloud and network environments. Key Responsibilities Manage, configure, and troubleshoot Palo Alto firewalls to ensure optimal security. Implement and maintain Azure security controls , including identity, networking, and monitoring solutions. Configure and manage Web Application Firewalls (WAFs) to protect against application-layer … attacks. Conduct security audits , review findings, and produce comprehensive reports. Proactively mitigate vulnerabilities identified in security reports and assessments. Collaborate with cross-functional teams to ensure security best practices are followed. Stay up to date with emerging threats, vulnerabilities, and industry trends. Skills & Experience Required Proven experience as a Network Security Engineer or similar role. More ❯

Security Engineer 6 months Remote Inside IR35 - Umbrella only Key Responsibilities Build and implement Technical Solutions: Assist Solution Architects with initial testing and POC of Cyber Security solutions. Implement infrastructure, networking and integration components as per the approved design. Collaborate with the Solution Architects to ensure all build related work is complete, documented and ready for testing. … to forge strong relationship with change management, project management team members. Work with end users to fix any bugs post deployment of solutions. Essential Experience Proven experience working as security engineer on large scale programmes in the Cyber Security Portfolio largely on Identity based security, Data classification and Cyber Security Resilience. Implementation knowledge of Microsoft … Entra ID features like application integration, provisioning, MFA, SSPR and Conditional Access policies. Prior experience deploying Data classification using Microsoft Purview for a large enterprise. Experience collaborating with the Security Operations Centre (SOC) to optimise security monitoring, response planning and execution. Understanding of vulnerability management and threat landscape detection and remediation. Proven experience in being part of Disaster More ❯

Security Engineer - SC Cleared (or Eligible) - £550 per day - Inside IR35 - Remote - 12 Months initial contract We are currently working with a leading client in the zero carbon energy sector who are looking to bring on board an experienced Security Engineer to join their security implementation and engineering delivery team. This is a fantastic opportunity … to work on large-scale, business-critical projects in a highly regulated environment. The Role - As part of the security engineering team, you'll be: Delivering on the security portfolio, with a focus on SASE and firewall estates. Working within a SAFe Agile framework, participating in sprints and stand-ups. Managing and tracking workloads via Jira. Triaging customer … requirements into actionable deliverables. Acting as an escalation engineer for the Security Support Team. Supporting and mentoring junior engineers. Producing documentation and knowledge base material, as well as delivering knowledge transfer sessions. Occasionally supporting out-of-hours work. Technical Skills We're Looking For - My client is looking for demonstrable experience in as many of the following as More ❯

Infrastructure Security Engineer - Application/Network experience- Spanish speaking We are currently recruiting for a Infrastructure Security Engineer on a 6 month initial contract. Hybrid basis (2-3 days), office location being London. They are looking for a candidate to take responsibility for leading, guiding, supporting and delivering secure architectural design for the group cyber security maturity programme. They are also looking for a candidate who is able to provide advice and recommendations for the programme. Key Skills Support the integration of new cyber security technologies that meets the next generation threats and can be adopted by the group globally You will be required to travel to the local sites, data centre or multiple … offices location in order to complete your tasks for off the network countries. Support global cyber security team to ensure open Continuous Security Improvement Programme (CSIP's) are managed effectively up to closure Information Security Management System (Infrastructure Security Operations). Azure cloud infrastructure and configuration. System Centre Configuration Manager, Operations Manager and Virtual Machine Manager. More ❯

Network Security Engineer Zscaler (ZPA/ZIA) Location: London, UK (Hybrid 1 day onsite per week) Type: Contract (6 months) | Day Rate: £550 Inside IR35 (Negotiable) Start Date: ASAP About the Role Our client, a leading global organization, is seeking an experienced Network Security Engineer with deep hands-on expertise in Zscaler ZPA and ZIA to … join a global enterprise security transformation programme. The role will focus on designing, deploying, and managing secure cloud and on-premises access solutions, ensuring robust security posture and compliance across a large-scale hybrid environment. This is a high-impact technical role where you will work across infrastructure, cloud, and security teams to implement Zero Trust principles … optimise Zscaler integrations, and enhance resilience of enterprise networks. Key Responsibilities Design, deploy, and manage Zscaler ZPA & ZIA solutions across enterprise networks. Integrate Zscaler with IdPs, SIEM, and endpoint security platforms . Monitor and optimise policies, application segments, and access control rules . Troubleshoot issues across secure access, DNS filtering, SSL inspection, VPNs, and firewalls . Collaborate with IT More ❯

IT Security Operations Engineer - London Up to £550 p/d (outside IR35) 3 month initial term A leading construction engineering business is seeking an SecOps Engineer to their team. They are a well-established business about to enter considerable operational change making it an exciting time to join and be a part of their journey. This … role carries responsibility for ensuring collaboration between Information Security and the IT Ops team, you'll ensure the implementation of technical security controls supporting risk mitigation and contributing to the continual improvement of the business's security composure. Responsibilities: * Provide expertise on application, network and infrastructure security * Monitor security solutions including SIEM, threat detection and … data security, endpoint protection, network analytics for alerts * Provide documentation for technical standards to meet corporate security policies/industry best practice * Perform security reviews, identify gaps in security architecture and apply appropriate remediation * Ensure appropriate technical measures are in place to comply with regulations/legislations * Conduct vulnerability scanning, analysis and remediation * Patch management * Identify More ❯

Azure Cloud Ops Engineer - Cloud Automation, Security & Migration - Remote Day rate: £300 - £500 (inside IR35) Duration: 12 months Start: ASAP My new client is looking for a highly skilled Azure Cloud Operations Engineer with a strong background in infrastructure automation, cloud migration, and security enforcement. This role focuses on building and maintaining secure, automated, and scalable … Python, PowerShell). Lead and support cloud migration projects, ensuring scalability, performance, and compliance. Implement and maintain CI/CD pipelines using GitHub Actions for automated deployments. Enforce cloud security policies including RBAC, policy-as-code, and Zero Trust architecture. Collaborate with cross-functional teams to deliver solutions in an agile environment, writing user stories, tasks, and acceptance criteria. … Monitor, optimize, and troubleshoot Azure environments to ensure reliability, cost efficiency, and security. Partner with security teams to drive cloud security automation and compliance enforcement. Required Skills Proven expertise with Azure services (compute, networking, storage, identity, monitoring). Strong proficiency in Terraform (Infrastructure as Code). Hands-on experience with Python and PowerShell scripting. Solid understanding of Zero More ❯

Role: Android Security EngineerSalary/Rate: £500-630 per day Location: hybrid London, mainly remoteContract Duration: until December 2025 A unique opportunity has arisen for a skilled professional with a strong background in mobile application security to join a specialist team tackling complex technical challenges. The successful candidate will be responsible for conducting in-depth analysis of Android … applications, providing clear and actionable insights into potential security and privacy risks. You would be operating at the top tier, handling the most complex and technically demanding cases that require advanced expertise and critical thinking. The role is based mainly remotely, however candidates must be willing to work in central London as required. This will run until the end … experience required: Demonstrable experience in analysing and deconstructing Android applications ( Java essential; native code experience advantageous) Proficiency in vulnerability identification and penetration testing techniques Strong understanding of Android OS security features and architecture Ability to work independently, with excellent attention to detail and analytical skills Comfortable navigating large, unfamiliar codebases Excellent communication skills and a collaborative approach to problem More ❯

Key Responsibilities Design, develop and deploy detection logic across SIEM, EDR and cloud security platforms. Build detections aligned with frameworks such as MITRE ATT&CK and continuously tune for accuracy and performance. Conduct threat modelling and participate in purple team exercises to assess and improve detection effectiveness. Use Detection-as-Code principles to manage detection rules via version control … CI/CD pipelines and automated testing frameworks. Reduce false positives through tuning, enrichment and contextual awareness. Skills Expertise in detection engineering, threat hunting, or a related Cyber Security field. Proficiency in Sentinel, KQL, XDR and Splunk is required. Experience with SIEM platforms (e.g. Splunk, Sentinel, Elastic), EDR tools (e.g. CrowdStrike, SentinelOne), and/or cloud-native security More ❯