26 to 50 of 365 Network Security Engineer Jobs in the UK

Job Overview: As a Network Security Engineering team member, the Senior Network Security Engineer will specialise in firewalls and routing. The ideal candidate is a flexible, self-motivated individual who excels at multitasking and thrives in a fast-paced, challenging environment. This self-starter will … bring ingenuity and expertise to design, implement, and maintain secure, scalable, high-performing network solutions that connect on-premises and public cloud environments. The role emphasizes driving automation through Infrastructure-as-Code (IaC) and GitOps methodologies, ensuring optimal network performance, and integrating robust security measures. Responsibilities: Network Design and Implementation: Design and implement secure, scalable, and high-performing network solutions bridging on-premises and public cloud environments. Leverage routing and switching expertise (e.g., BGP, OSPF, MPLS) to ensure network performance and reliability across diverse environments. Analyze operational needs and proactively develop creative network More ❯

Network/Security Engineer/Crowdstrike Falcon Join to apply for the Network/Security Engineer/Crowdstrike Falcon role at Staging It Network/Security Engineer/Crowdstrike Falcon 2 days ago Be among the first 25 applicants Join to … apply for the Network/Security Engineer/Crowdstrike Falcon role at Staging It Get AI-powered advice on this job and more exclusive features. Network/Security Engineer - Contract - Cardiff, South Wales Initial 3 month contract available to assist with the deployment of … days per week. Experience required; Knowing the CrowdStrike Falcon Complete platform well is critical Hands-on experience deploying CrowdStrike Previous experience as a Network/Security/Support Analyst/Engineer Interviews can be arranged immediately with a view of starting early June. Please apply via the More ❯

Job Title: Network and Security Engineer Location: London (UK) On site Job Type: Full Time We are seeking a talented and experienced Network and Security Engineer to join our team. The ideal candidate will have a strong background in networking and security, excellent … problem-solving skills, and a passion for learning and developing new skills. You will be responsible for designing, implementing, and managing networks and security measures to safeguard our networks and systems against current and emerging cyber threats, with a particular focus on Datacentre, 3GPP mobile network CORE and … Responsibilities: Networking, Segmentation, Optimization and Maintenance Design, configure and implement highly scalable L2/L3 networks using varieties of protocols and vendor equipment. Monitor network traffic and analyse security incidents to detect and respond to threats within mobile network environments. Diagnose and troubleshoot network related issues More ❯

Network Security Engineer Exeter - Hybrid £40,000 - £45,000 + Holiday + Flexitime + Discounts This is an excellent opportunity for Network Security Engineer to join a market leader within its industry where you will play a key role within wider IT Team. This … supplying high quality products and giving the best service to their customers. In this varied role you will be responsible for reviewing and managing network services by monitoring internal and external communications and ensuring the security of the organisation's IP. The role will also heavily focus on … cyber security through delivering penetration testing and assisting with failover planning to minimise future risks. Lastly, you will collaborate with the Group IT team to support Active Directory, web connectivity, and endpoint security. The ideal candidate will possess expert knowledge of LAN/WAN/VLAN communications, VPN configuration More ❯

Direct message the job poster from Premier Group Senior Contract Consultant | Empowering Clients with the Best Support & Infrastructure Talent in the Market URGENT HIRE: Network Security Engineer – Start 2 June – Hybrid – Surrey We’re seeking a proactive Network Security Engineer to join our team … hybrid basis (3 days in our Surrey office, 2 days remote) starting Monday, 2 June . If you thrive on designing and maintaining robust security architectures and want to make a real impact, we’d love to hear from you! Rate: Up to £300 per day Key Responsibilities: Design … implement, and manage network security solutions (firewalls, VPNs, IDS/IPS) Monitor and respond to security incidents, perform root‐cause analysis Conduct vulnerability assessments and penetration tests Develop and maintain security policies, standards, and best practices Collaborate with infrastructure and application teams to integrate security More ❯

be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from NineTech Network & Security Engineer – Financial Services – £80k + Hybrid (Central London) Permanent | Hybrid (2-3 days in Central London) Our client, a leading player … in the financial services sector, is seeking a skilled Network & Security Engineer to join their growing team. This is a permanent opportunity offering up to £80,000 , with hybrid working arrangements based in Central London . Key Responsibilities Design, implement, and support robust network infrastructure across … switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security platforms (ZIA/ZPA). Support VMware SD-WAN (VeloCloud) deployments across branch and remote trading locations. Monitor and optimise network performance (latency More ❯

Direct message the job poster from OpticoreIT 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 Network Security Engineer to join our client on medium to large-scale projects varying in design, implementation and support on Prisma SDWAN and Prisma Access projects with various clients. This opportunity is a hybrid positio n with the need to visit the client … is highly likely to be extended. What you'll be doing: An advocate of Opticore, working with our client, who is a leader in security, delivering multiple projects focused on their SDWAN solution. Working directly with clients, helping them not only achieve their goals but also helping them understand More ❯

What You'll Be Working On: ️ Designing, implementing, and managing network security architectures to protect against cyber threats ️ Monitoring network traffic, identifying potential vulnerabilities, and mitigating security risks ️ Configuring and maintaining firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), and other security devices … Conducting regular security audits and vulnerability assessments on network infrastructure ️ Collaborating with IT and security teams to develop and enforce security policies and procedures ️ Responding to and investigating network security incidents, including identifying root causes and implementing corrective actions ️ Staying up to date with … the latest network security trends, threats, and technologies ️ Providing guidance and training to teams on best practices for network security ️ Ensuring compliance with industry standards and regulations (e.g., GDPR, ISO 27001, NIST) What We're Looking For: ️ Proven experience as a Network Security Engineer More ❯

What You’ll Be Working On: ️ Designing, implementing, and managing network security architectures to protect against cyber threats ️ Monitoring network traffic, identifying potential vulnerabilities, and mitigating security risks ️ Configuring and maintaining firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), and other security devices … Conducting regular security audits and vulnerability assessments on network infrastructure ️ Collaborating with IT and security teams to develop and enforce security policies and procedures ️ Responding to and investigating network security incidents, including identifying root causes and implementing corrective actions ️ Staying up to date with … the latest network security trends, threats, and technologies ️ Providing guidance and training to teams on best practices for network security ️ Ensuring compliance with industry standards and regulations (e.g., GDPR, ISO 27001, NIST) What We’re Looking For: ️ Proven experience as a Network Security Engineer More ❯

Social network you want to login/join with: Network Security Engineer – Checkpoint SME, london col-narrow-left Client: CACI Ltd Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide … Job Description: A Senior Network Security Engineer is required to join our Managed Service, responsible for Firewall Solution Design on our client's network infrastructure in the UK. Job Description As a Senior Network Security Engineer within the team you will be responsible … for designing and documenting security solutions across multiple networks to ensure end to end traffic flows as per client requirements. The Senior Network Security Engineer will be heavily focussed on client needs and on delivering tailored solutions across the client's estate. The Engineer should More ❯

A leading logistics organisation is seeking a project-focussed Network Security Engineer to join their growing team. If you're passionate about networking and cybersecurity and thrive in fast-paced environments, this is a fantastic opportunity to work with modern technologies and make a real impact. We … re looking for a Network Security Engineer who has proven experience in implementing, deploying, administering, and maintaining network infrastructure, including routers, switches, wireless solutions, and firewalls. In addition to this, you will be managing Cisco-based network security (firewalls, VPNs, NAC) for peak reliability … and performance, in addition to the other responsibilities below! This is a project-focused role, so someone who has hands-on experience with Network Security projects like SGT's, Azure Networking, and ICE Posturing is highly desirable. Key Responsibilities: Manage and maintain Cisco Firepower, Cisco ISE and Cisco More ❯

your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Spectrum IT Recruitment Senior Network Engineer – AWS Cloud and On-Prem London offices + Hybrid working options Salary up to £80k+ Benefits Our client’s software products include … AI and Automation software used globally by a range of external customers. The Senior Network Engineer will play a key role in the implementation and support of their on-prem and cloud-based network infrastructure with a focus on security, reliability, and scalability. The Senior Network Engineer will support these global customers at a senior level so previous experience in a similar role is essential, but the company offer excellent training and career path opportunities. The role would support their AWS infrastructure, but those without cloud experience with established On-prem/Data Centre More ❯

team builds and maintains robust infrastructure that safeguards OpenAI's data and systems while ensuring employees are well-equipped and seamlessly connected. By prioritizing security, reliability, and user-centric solutions, we empower OpenAI employees to drive impactful AI research, corporate operations, and product innovation. About the Role As a … Network Security Engineer at OpenAI, you will play a critical role in architecting and maintaining both campus and cloud network infrastructure. You will design and implement secure, scalable, and high-performing network solutions that bridge on-premises environments with public cloud environments. Your expertise in … routing and switching will ensure optimal network performance and reliability across diverse environments. You will drive automation initiatives through Infrastructure-as-Code (IaC) and GitOps methodologies, streamlining network provisioning, enforcing configuration consistency, and optimizing IT workflows. Your responsibilities will also include developing CI/CD pipelines tailored for More ❯

We are looking for an experienced Network Engineer to join our Network Security team to help us to run, scale and continuously improve our network security infrastructure through hands-on operations, design, and implementation. The ideal candidate would have strong networking fundamentals and experience … with security appliances such as firewalls and proxy to join our Network Security team. Jane Street’s numerous distributed systems are built on an agile, reliable, multi-vendor network infrastructure that supports all traffic profiles, from trading to internet connectivity. Supporting such a large multi-function … network requires advanced tooling for monitoring and automation. Strong communication and interpersonal skills will be needed to collaborate with colleagues across the firm globally. You will find and resolve issues, plan and execute deployments, and improve systems where possible. In this role, we’ll look to leverage your advanced More ❯

Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, network Backbone, Optical Infrastructure, and Edge PoPs. We do this by working extensively across the Meta family of products, including Instagram, WhatsApp, and AI where we identify and solve … security problems across network infrastructure. You will be responsible for building, implementing, and operationally supporting the organization to develop security controls and services that will protect network infrastructure which helps serve traffic for over 3 billion users worldwide. We are looking for engineers with experience in … managing complex issues that require problem-solving to drive security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach. The team thrives in finding security issues and eradicating them and makes life hard for More ❯

Meta's Network Security team is seeking an experienced engineer to help secure our global Data Centers, network Backbone, Optical Infrastructure, and Edge PoPs. We do this by working extensively across the Meta family of products, including Instagram, WhatsApp, and AI where we identify and solve … security problems across network infrastructure. You will be responsible for building, implementing, and operationally supporting the organization to develop security controls and services that will protect network infrastructure which helps serve traffic for over 3 billion users worldwide. We are looking for engineers with experience in … managing complex issues that require problem-solving to drive security and innovation, who will research and develop new solutions to help protect our infrastructure and our users through a defense in-depth approach. The team thrives in finding security issues and eradicating them and makes life hard for More ❯

Exalto Consulting are currently recruiting for a contract network security engineer, this is initially 6 months paying £450 a day depending on experience. This is hybrid working in Cheshire need to be on site 2/3 days a week with some occasional travel to other sites … in Europe. Essential skills for the roles: Proven experience in network security, with a strong understanding of network security fundamentals, encryption technologies, and secure network design principles. Zscaler Private Access & Internet Access knowledge of zerotrust Proficiency in configuring, managing, and troubleshooting firewalls. Cisco, Palo Alto … etc,. Experience with intrusion detection/prevention systems, as well as with SIEM tools and security incident response. Conduct regular security assessments, including penetration testing and vulnerability assessments, to identify and remediate potential security risks. Design and implement secure network architectures, including firewalls, intrusion detection More ❯

Exalto Consulting are currently recruiting for a contract network security engineer, this is initially 6 months paying £450 a day depending on experience. This is hybrid working in Cheshire need to be on site 2/3 days a week with some occasional travel to other sites … in Europe. Essential skills for the roles: Proven experience in network security, with a strong understanding of network security fundamentals, encryption technologies, and secure network design principles. Zscaler Private Access & Internet Access knowledge of zerotrust Proficiency in configuring, managing, and troubleshooting firewalls. Cisco, Palo Alto … etc,. Experience with intrusion detection/prevention systems, as well as with SIEM tools and security incident response. Conduct regular security assessments, including penetration testing and vulnerability assessments, to identify and remediate potential security risks. Design and implement secure network architectures, including firewalls, intrusion detection More ❯

Exalto Consulting are currently recruiting for a contract network security engineer, this is initially 6 months paying £450 a day depending on experience. This is hybrid working in Cheshire need to be on site 2/3 days a week with some occasional travel to other sites … in Europe. Essential skills for the roles: Proven experience in network security, with a strong understanding of network security fundamentals, encryption technologies, and secure network design principles. Zscaler Private Access & Internet Access knowledge of zerotrust Proficiency in configuring, managing, and troubleshooting firewalls. Cisco, Palo Alto … etc,. Experience with intrusion detection/prevention systems, as well as with SIEM tools and security incident response. Conduct regular security assessments, including penetration testing and vulnerability assessments, to identify and remediate potential security risks. Design and implement secure network architectures, including firewalls, intrusion detection More ❯

Exalto Consulting are currently recruiting for a contract network security engineer, this is initially 6 months paying £450 a day depending on experience. This is hybrid working in Cheshire need to be on site 2/3 days a week with some occasional travel to other sites … in Europe. Essential skills for the roles: Proven experience in network security, with a strong understanding of network security fundamentals, encryption technologies, and secure network design principles. Zscaler Private Access & Internet Access knowledge of zerotrust Proficiency in configuring, managing, and troubleshooting firewalls. Cisco, Palo Alto … etc,. Experience with intrusion detection/prevention systems, as well as with SIEM tools and security incident response. Conduct regular security assessments, including penetration testing and vulnerability assessments, to identify and remediate potential security risks. Design and implement secure network architectures, including firewalls, intrusion detection More ❯

Job Description Senior Network Security Engineer Leading global manufacturing company is looking for a Senior Network Security Engineer to join their growing Network Security Engineering team. The successful candidate will design and implement network security solutions connecting on-premises and … focus on Infrastructure-as-Code (IaC) and GitOps methodologies. This is a very technical role and will play a key part in securing the network infrastructure. London 5 DAYS A WEEK. Responsibilities: Design and deploy network security solutions across cloud and on-premises environments. Manage routing and … switching protocols to optimize network performance. Analyze operational needs and develop innovative solutions to strengthen network security. Required: Hands-on experience with enterprise network security solutions. Advanced knowledge of routing and switching protocols. Deep understanding of firewalls. #J-18808-Ljbffr More ❯

Design, implement, and manage complex network architecture to meet requirements from various business units Support network and security infrastructure and controls, including, but not limited to Routers, Switches, SD-WAN, Firewalls, VPN, TACACS, netflow based tools, etc. Develop and implement disaster recovery plans for the network; assist in conducting periodic internal and external audits to assess security/risk in the network Ensure network systems comply with relevant regulatory and compliance standards Participate in incident triage, analysis, response, and remediation for network outages, intrusions, attacks, and other incidents Assist in developing … network-specific security policies, guidelines, standards, and procedures Implement automation scripts and tools to streamline repetitive network tasks Manage network services and configurations, recommending and implementing changes that will improve overall company network security Assist in evaluating and developing solutions for complex network More ❯

The job description has a good structure but requires minor revisions for clarity and consistency. Here's an improved version: Senior Network Security Engineer, London Leading global manufacturing company is seeking a Senior Network Security Engineer to join their expanding Network Security Engineering team. The successful candidate will be responsible for designing and implementing network security solutions that connect on-premises and public cloud environments, with a strong emphasis on Infrastructure-as-Code (IaC) and GitOps methodologies. This is a highly technical role that plays a crucial part in … securing the network infrastructure. The position is based in London, requiring presence 5 days a week. Responsibilities: Design and deploy network security solutions across cloud and on-premises environments. Manage routing and switching protocols to optimize network performance. Analyze operational needs and develop innovative solutions to More ❯

Social network you want to login/join with: We are looking for a highly skilled and dynamic Security Engineer to join our IT Security team.My client works across multiple sectors to include, Fintech, Health & energy. The ideal candidate will have a strong background in networking … cloud security, and hands-on experience with leading security technologies. You will be responsible for ensuring the security and integrity of our systems, providing proactive threat detection and response, and supporting the implementation of security controls and policies across cloud, on-premise, and hybrid environments. This … role also involves working with SIEM solutions, automating security workflows, and contributing to the company's compliance with Cyber Essentials Plus and ISO 27001 standards. Key Responsibilities: Design, implement, and manage network security architectures, including firewalls, VPNs, and other perimeter security technologies. Configure, deploy, and manage More ❯

Direct message the job poster from Adroit People Limited (UK). Global Talent Acquisition - UK, EU & APAC Greetings! Adroit People is currently hiring. Title: Network Security Engineer Location: Newport, Wales, UK Employment Type: Contract (1 year) Work Type: Onsite Minimum Qualifications 5+ years of experience working in … a security team. Extensive experience with network security design, firewall management, and intrusion detection. Deep experience in deploying application-based firewalls (Palo Alto, Fortinet or similar) on premise or in cloud-based services (Prisma, Zscaler or similar), and SSL inspection techniques. Proficiency in multiple security technologies … including network security, NGFW, NAC, network segmentation, and security architecture. Solid knowledge and working experience with Layer 2-7 protocols and technologies. Strong troubleshooting experience with routing, security protocols, ACLs, firewalls, WAF, and Intrusion Prevention Systems. Experience with open-source network scanning tools. Excellent More ❯