51 network security engineer jobs found

Job Summary We are seeking a highly skilled Senior Network Security Engineer to support a strategic Network Security Transformation Program for a leading Insurance customer. The successful candidate will be responsible for designing, implementing, and supporting enterprise network security solutions with a strong focus on Zscaler, Fortinet, and Lumio technologies. This is a hands-on engineering role requiring deep technical expertise in network security operations, security architecture, Firewall management, Zero Trust access, cloud-delivered security, and network visibility platforms. Experience with AI is essential. The ideal candidate will have experience working in large enterprise environments and be comfortable driving security improvements across both traditional and modern network infrastructures. Key Responsibilities Design, implement, and maintain enterprise network security solutions. Engineer and support Zscaler Internet Access (ZIA) and Zscaler...

Job Title: Network Security Engineer – Vulnerability Management (Tufin & RSA). Canary Wharf, UK Long Term Contract (Inside IR35) Hybrid (2 days a week)   Job Overview We are hiring a Network Security Engineer with strong expertise in Vulnerability Management, network security, and remediation practices . The ideal candidate should have hands-on experience with Tufin for firewall policy management and RSA Authentication Manager for secure access/authentication controls. The role involves identifying vulnerabilities, assessing risks, and driving effective remediation across enterprise environments. Key Responsibilities Identify, analyze, and manage network and system vulnerabilities across the environment Understand vulnerability impact and recommend appropriate fixes, remediation, and mitigation strategies Work closely with infrastructure and security teams to ensure timely closure of vulnerabilities...

Job Title: Network Security Engineer – Vulnerability Management (Tufin & RSA). Canary Wharf, UK Long Term Contract (Inside IR35) Hybrid (2 days a week)   Job Overview We are hiring a Network Security Engineer with strong expertise in Vulnerability Management, network security, and remediation practices . The ideal candidate should have hands-on experience with Tufin for firewall policy management and RSA Authentication Manager for secure access/authentication controls. The role involves identifying vulnerabilities, assessing risks, and driving effective remediation across enterprise environments. Key Responsibilities Identify, analyze, and manage network and system vulnerabilities across the environment Understand vulnerability impact and recommend appropriate fixes, remediation, and mitigation strategies Work closely with infrastructure and security teams to ensure timely closure of vulnerabilities...

Job Title: Network Security Engineer – Vulnerability Management (Tufin & RSA). Canary Wharf, UK Long Term Contract (Inside IR35) Hybrid (2 days a week)   Job Overview We are hiring a Network Security Engineer with strong expertise in Vulnerability Management, network security, and remediation practices . The ideal candidate should have hands-on experience with Tufin for firewall policy management and RSA Authentication Manager for secure access/authentication controls. The role involves identifying vulnerabilities, assessing risks, and driving effective remediation across enterprise environments. Key Responsibilities Identify, analyze, and manage network and system vulnerabilities across the environment Understand vulnerability impact and recommend appropriate fixes, remediation, and mitigation strategies Work closely with infrastructure and security teams to ensure timely closure of vulnerabilities...

Job Summary We are seeking a highly skilled Senior Network Security Engineer to support a strategic Network Security Transformation Program for a leading Insurance customer. The successful candidate will be responsible for designing, implementing, and supporting enterprise network security solutions with a strong focus on Zscaler, Fortinet, and Lumio technologies. This is a hands-on engineering role requiring deep technical expertise in network security operations, security architecture, Firewall management, Zero Trust access, cloud-delivered security, and network visibility platforms. The ideal candidate will have experience working in large enterprise environments and be comfortable driving security improvements across both traditional and modern network infrastructures. Key Responsibilities Design, implement, and maintain enterprise network security solutions. Engineer and support Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) environments....

Job Title: Senior Firewall & Network Security Engineer Location: London Position Type: Contract Overview We are seeking an experienced Senior Firewall & Network Security Engineer with deep expertise in the Fortinet ecosystem to join our infrastructure security team. In this role, you will design, manage, and continuously improve enterprise-grade firewall infrastructure, lead firmware upgrade cycles, drive automation initiatives, and serve as the subject-matter expert on FortiGate platforms — including the 1500D and 1800F series. You will work cross-functionally with network, cloud, and compliance teams, operating within ITIL-aligned change management processes. Key responsibilities: Own end-to-end management of enterprise FortiGate firewalls (1000-series and above) across production and non-production environments, including VDOM configuration, HA setup, and policy routing. Plan and execute FortiOS major-version upgrade paths (e.g., 6.x → 7.x) in production,...

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. Opticore IT are currently searching for a Palo Alto Cortex Consultant  to join a leading security client within the EMEA Technical Services to come and join the team. You'll join our excellent team for an initial 12 month contract with scope to extend, based in Central Europe You'll be acting as the Subject Matter Expert for Palo Alto Cortex XSIAM. Leading the full delivery lifecycle of Cortex from deployment through to support. What you'll be doing: Lead end to end Palo Alto Cortex XSIAM deployments and migrations Build and optimise correlation rules, detection content and analytics Troubleshoot complex platform and integration issues...

Job Title: Cyber Security Specialist Location: Leeds / Manchester / Bristol / Halifax / Edinburgh, UK (Onsite) Experience: 6+ Years Employment Type: Contract   Job Summary We are seeking an experienced Cyber Security Architect to join our team in the UK. The ideal candidate will be responsible for designing, implementing, and governing secure enterprise architectures while ensuring compliance with security standards, regulatory requirements, and business objectives. The candidate should possess strong expertise across security domains, cloud technologies, network security, and risk management. Key Responsibilities Design and develop secure enterprise and solution architectures aligned with business objectives. Conduct security assessments, threat modeling, and risk analysis for new and existing systems. Define security standards, frameworks, and best practices across enterprise platforms. Collaborate with infrastructure, application,...

JOB DETAILS Minimum years of experience: 5+ years Job Description: The ideal candidate will have extensive experience with Windows Administration, SCCM (System Center Configuration Manager) for Windows deployments and a strong understanding of Active Directory, including Group Policy Objects (GPOs). Key Responsibilities: 1. Manage and maintain Windows server environments. 2. Perform deployments using SCCM, ensuring smooth and efficient updates and installations. 3. Administer Active Directory, including the creation and management of GPOs. 4. Troubleshoot and resolve issues related to Windows servers, SCCM, and Active Directory. 5.Monitor system performance and ensure the security and integrity of the network. 6.Collaborate with other IT team members to support overall IT infrastructure. Requirements: - Proven experience as a Windows Administrator. - Proficiency in SCCM for Windows deployments. - Strong knowledge of Active Directory and GPOs. - Excellent troubleshooting...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable microservices that handle real-world traffic at scale. This is a fully remote, flexible contract role open to engineers across the UK. Whether you're a seasoned engineer looking for meaningful project work or a strong developer ready to apply your skills to AI-adjacent infrastructure, this is your chance to build things that matter. Organization: Alignerr Type: Hourly Contract Location: Remote Commitment: 10–40 hours/week What You'll Do Design, develop, and maintain robust back end services, APIs, and data pipelines Build scalable, high-performance server-side architecture to support AI training...

Overview We are seeking a skilled IT Network Technician to join our dynamic technology team. The successful candidate will be responsible for maintaining, supporting, and enhancing our network infrastructure across multiple platforms and environments. The ideal applicant will possess a strong background in computer networking, system administration, and network security, with experience in various protocols and hardware. Scope of Work: Installation/ Troubleshooting. Training Requirements: Accenture Nutanix training will be required by the FE which will be provided online. Engineer onsite requirements (Toolkit): Personal ID (e.g. passport, driving license) * Customer Badge (if supplied) * PPE - where required - Covid PPE is essential * Mobile phone and charger - International calling and hotspot capabilities * Laptop (with charger) - With Putty for Smart hands activities * Yubikey (If supplied) * 1 x 16 GB Dual USB Flash Drive USB 3.0...

400-500 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting Scrumconnect Consulting is a leading UK digital and technology consultancy specialising in delivering impactful, user-centred services for the public sector. We work with central government departments, agencies, and local authorities to build digital products and services that improve outcomes for citizens. With a team of engineers, architects, delivery professionals, and designers, we bring deep expertise in digital transformation, cloud technologies, and agile delivery. We are committed to engineering excellence, innovation, and creating an inclusive environment where everyone can thrive. Role Overview We are seeking an experienced Azure Solution Architect to design, architect, and deliver scalable, secure, and high-performance cloud data solutions...

Role: End User Devices & L1 Network Engineer Location: Basildon, UK Duration: 6 Months (Possible Extension)   Work Schedule 📌 Scheduled onsite support every Wednesday, subject to monthly confirmation from the Point of Contact (POC).   Scope of Work:   The onsite engineer will provide End User Computing (EUC) and Level 1 Network Hands & Feet Support services for Vontier locations. The engineer will be responsible for delivering timely onsite technical assistance, troubleshooting, device support, and infrastructure-related activities in accordance with established procedures and service standards.   End User Device Support Install, configure, and support desktops, laptops, and workstation devices. Unpack, set up, and deploy new end-user equipment. Perform workstation enrollment and device provisioning activities. Troubleshoot workstation installation, boot-up, and compliance-related issues....

Job Type : Contractor Location : Remote Role Description As an Angular Engineer, you will work remotely on an hourly paid basis to review AI-generated Angular code, frontend architectures, and technical explanations, as well as produce high-quality reference implementations and step-by-step reasoning for complex engineering problems. You will assess solutions for correctness, clarity, accessibility, security, performance, and adherence to the prompt; identify issues in Angular change detection, RxJS streams, state management, routing, forms, SSR (Angular Universal), hydration, and bundle performance; fact-check technical information; write high-quality explanations and model solutions that demonstrate best practices; and rate and compare multiple AI responses based on correctness and reasoning quality. This fully remote, hourly paid contractor role is a fast-growing AI data services company that provides AI training data to many of the world’s largest AI companies and...

Job Title: Cyber Security Specialist Location: Leeds / Manchester / Bristol / Halifax / Edinburgh, UK (Onsite) Experience: 6–10 Years Employment Type: Contract Job Summary We are seeking an experienced Cyber Security Architect to join our team in the UK. The ideal candidate will be responsible for designing, implementing, and governing secure enterprise architectures while ensuring compliance with security standards, regulatory requirements, and business objectives. The candidate should possess strong expertise across security domains, cloud technologies, network security, and risk management. Key Responsibilities Design and develop secure enterprise and solution architectures aligned with business objectives. Conduct security assessments, threat modeling, and risk analysis for new and existing systems. Define security standards, frameworks, and best practices across enterprise platforms. Collaborate with infrastructure, application,...

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity.   From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we're building a world-class platform to amplify our teams' most powerful ideas.   As part of our engineering team, you'll shape the platforms and tools that drive high-impact research - designing systems that scale, accelerate discovery and support innovation across the firm.   Take the next step in your career.   The role We are seeking an experienced Kubernetes Security Engineer on a 12-month contract to strengthen the security of our Kubernetes platforms.   This is a specialist role focused on Kubernetes networking, identity and runtime security. You will design, implement and operationalise advanced...

Job Title: DevOps Engineer Location: Remote Duration: 6 months Contract Start Date: ASAP IR35: Inside Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   Role Purpose Part of your role will be supporting the availability of the platform and working to help deploy new features, supporting engagements across our client portfolio, both in the UK and globally. This is not a client-facing role, but a key element is a desire to improve the process and the solution by identifying and recommending any opportunities to extend, improve or add new...

Era4 develops, owns and operates AI infrastructure across the UK, powered by renewable energy. Converting legacy industrial and energy sites into modern data-centre facilities, Era4 is combining brownfield regeneration opportunities with cleaner, efficient, scalable compute capacity for healthcare, research, finance, enterprise, and public-sector organisations   Initial 6 month contract. June start date. Competitive day rate.   Role Summary: The Identity & Platform Engineer is responsible for designing, implementing and operating the core platform services that provide: Kubernetes platform services Sovereign identity management Federation and authentication services Privileged access management Secrets management Customer identity integration Platform security and governance   The successful candidate will play a key role in delivering a Zero Trust, sovereign cloud platform built around: FreeIPA, Teleport,...

Vue.js/Nuxt Developer Job Type : Contractor Location : Remote Role Description As a Vue.js / Nuxt Engineer, you will work remotely on an hourly paid basis to review AI-generated Vue/Nuxt code, frontend architectures, and technical explanations, as well as produce high-quality reference implementations and step-by-step reasoning for complex engineering problems. You will assess solutions for correctness, clarity, accessibility, security, performance, and adherence to the prompt; identify issues in Vue reactivity, component composition, state management, SSR/SSG, routing/data fetching, hydration, caching, and bundle performance; fact-check technical information; write high-quality explanations and model solutions that demonstrate best practices; and rate and compare multiple AI responses based on correctness and reasoning quality. This fully remote, hourly paid contractor role is a fast-growing AI data services company that provides AI training data to many of the...