1 to 25 of 30 Permanent Network Security Engineer Jobs in England

Social network you want to login/join with: Assistant Vice President, Network and Security Engineer, London col-narrow-left Client: MUFG Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 1fda1df83bf8 Job Views: 5 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Do you want your … This means investing in talent, technologies, and tools that empower you to own your career. Join MUFG, where being inspired is expected and making a meaningful impact is rewarded. Network Systems Support Engineer is responsible for supporting the MUFG EMEA data network and all other aspects of networking including firewall and Network infrastructure. KEY RESPONSIBILITIES Take … ownership of network related incidents and troubleshoot from first alert to resolution, to have good customer facing skills when liaising with users, to co-operate with other team members and other internal teams, to liaise and take charge of vendors for incident resolution. Administration Maintaining and where necessary creating a full set of comprehensive network data diagrams and More ❯

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 solutions to address security challenges. Security and Firewall Management: Manage firewall configurations for the CyberEnergianetwork based on operational requirements. Develop and implement network security tools, produce More ❯

Job Title: Senior Network Engineer Delivery & Migrations Location: England (Home based with client visits across England). Salary: Up to £55,000 basic salary plus great benefits package Sector: Consultancy/Solution Provider The Company Our client is a professional services consultancy who specialise in providing businesses with software defined solutions, network assurance, network automation and … interesting projects in both the public and private sectors. Technology Partners Cisco/Meraki VM Ware Palo Alto Fortinet Juniper Aruba/HPE Microsoft AWS Role Snapshot As Senior Network Security Engineer you be an integral member of the delivery and migrations team. The role will entail assisting with migrations, day-to-day delivery tasks and providing … looking to take a step up from a BAU role, with the ambition to widen their remit in projects and delivery. Key Responsibilities Assisting with delivery and migration of network, data centre and security solutions. Provide exceptional customer services. Contribute to knowledge centre and keep documentation up to date. Be willing to work in a vendor agnostic environment More ❯

In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise. You will also provide technical leadership to team/vendor …/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment. Responsibilities: Independently perform highly complex assignments. Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks. Lead proper execution of network changes & updates in accordance with corporate security policies to meet … business requirements. Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs. Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management. Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth. Where possible, introduce automation for daily routine administrative More ❯

and resilient technology solutions. Our 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 IT infrastructure, enhancing deployment efficiency, and integrating robust network security measures. You will establish comprehensive observability and proactive issue resolution strategies. We are More ❯

A leading independent logistics provider is seeking a Network Security Engineer with expertise in Cisco DNA and Cisco Firepower to join its team. This role is 80% focused on network security, encompassing both project work and business-as-usual (BAU) operations to maintain a secure and efficient network infrastructure. Hybrid work model - work from … home with 2 days per month in Dartford. Ready to take on a key role in securing a dynamic network environment? Apply now and be part of a team driving innovation in logistics technology! Responsibilities Deploy, maintain, and optimize network and security platforms, including routers, switches, firewalls, IDS/IPS, and cloud technologies. Manage Cisco-based network security, including firewalls, VPNs, and NAC. Monitor network traffic, troubleshoot issues, and improve efficiency. Implement and manage secure remote access and VPN solutions. Oversee PKI management, certificate issuance, and revocation. Recommend and deploy network/security enhancements. Develop technical specifications, rollout plans, and provide BAU support. Collaborate with IT and cybersecurity teams and work with More ❯

Job Title: Firewall Engineer - Network Security Specialist Location: Leeds Type: Full-Time | Reports To: Network Operations Manager/Head of Managed Services Salary: £45,000 Shift Pattern: Rotating shifts or business hours (based on operational needs) About Us We are a leading cybersecurity reseller and MSP delivering end-to-end security solutions. Our expert team … powers proactive monitoring, management, and incident response to safeguard clients' networks, apps, and infrastructure. As our managed firewall and NOC services expand, we need a skilled NOC/Firewall Engineer with hands-on expertise in Check Point, Fortinet, or Palo Alto Networks to ensure secure, seamless network connectivity. The Role You will be the frontline technical expert in … our 24/7 Network Operations Center, owning the daily monitoring, configuration, troubleshooting, and incident resolution of client firewalls and network security infrastructure. This hands-on position demands sharp technical skills and the ability to thrive in a fast-paced, client-focused environment. What You'll Do Manage & Monitor: Operate client firewalls, VPNs, and network devices More ❯

We are searching for an experienced IT Network Engineer to be responsible for ensuring IT networks and communications are well designed, secure, optimal and function consistently across all internal and external operations. The role is offered on a hybrid basis, 3-days in the office and 2-days from home, once probation has been successfully passed. You will … and efficient IT networks and application systems to promote the use of technology throughout the business. In this role you will be responsible for the following: Designing and deploying network services in line with design and security policies. Monitoring and administering the installation and integration of corporate network communications, including routers, switches, firewalls, DMZ, servers, telephony and … the IP space across the organisation ensuring VLANs, IP Subnet, DNS, DHCP, VPNs, and VoIP traffic is well designed, secure and optimised. Ensuring best practices are used for protecting network security. Planning lifecycle renewals, 'hotswap' procedures and emergency hardware failure protocols. Providing regular service status updates to line management and agree and monitor service availability targets. Ensuring the active More ❯

Senior Network Engineer with Security and Cisco - City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. … solutions from perimeter to DMZ roles -Support IPS deployment for Europeanbranches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need … multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS/RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. More ❯

Would you like to work in asupportive,collaborativeand innovative company? Do you enjoy working as part of an enthusiastic, passionate,and collaborative team? Join our Network and Security team Consisting entirely of 3 rd line engineers, the Network support team are committed to providing excellent customer service and aim to be a gold standard in technical resolution … Softcat Way. Softcat is a £1billion+ technology solutions business and trusted partner to names like Apple, Microsoft, and Adobe. Offering a growing portfolio of services including software licensing, cyber security, and IT infrastructure, we give our technical teams the tools and support to make exciting things happen. This is where to achieve more for your career. PLEASE NOTE This … transition to a 4-day shift pattern at the end of the contract period, rotating between dayshifts and nightshifts, with each shift consisting of 12 hours. As 3rd Line Network and Security Engineer, you'll beresponsible for: Troubleshooting and resolve technical issues for our customers, both managed and support Designing and implement config changes requested by managed More ❯

We are seeking a highly skilled Network Engineer to join our clients team, working on projects for a prestigious multinational client. The successful candidate will have significant experience in Palo Alto Firewall Migration and Palo Alto Firewalling within a Microsoft Azure environment. The ideal candidate will be SC Clearable, with SC Clearance being highly preferred. Contract Details: Location … Responsibilities: Execute and manage Palo Alto Firewall Migration projects. Design, implement, and manage Palo Alto Firewall solutions in a Microsoft Azure environment. Collaborate with cross-functional teams to ensure network security and efficiency. Troubleshoot and resolve network issues to maintain high levels of network performance and security. Document network configurations, changes, and processes to ensure … comprehensive network management. Stay updated on industry best practices and emerging technologies to continuously improve network infrastructure. Qualifications: Proven experience in Palo Alto Firewall Migration. Extensive experience with Palo Alto Firewalling in a Microsoft Azure environment. SC Clearance is massively preferred; however, candidates who are SC Clearable will also be considered. Strong background in Routing and Switching (R More ❯

SEP2 Limited Per Hour Primary Function: The Project Delivery Engineer role will be responsible for service implementation of hardware installation and network/security configurations in a hands - on capacity . This role has a strong focus on being a customer facing technical engineer primarily focused on UK customers, with international service delivery as required . … are not spent on-site. Main Tasks: Delivering technical service excellence to customers over a variety of technology stacks, with a primary focusing on Check Point as a field engineer Is responsible for delivering implementation tasks, assigned by the project lead including but not limited to physical installation of equipment, power and network cabling, management configuration and licensing … call through to technical delivery and completion Can write effective statement of work documentation using SEP2 template tools with customisation as required per project The ability to troubleshoot complex network/security scenarios , resulting in either a resolution of the configuration on the to-be-installed device, or recommendations to the customer surrounding their wider network topology More ❯

IT Network Security Engineer Location: Exeter Work Arrangement: In office during probation, 3 days per week in office thereafter Salary: £36.5k I am working with a manufacturing and commerce client based in Exeter. They are looking for a network security engineer to join their IT team. Ideally, you will have some or all of … and systems. You will be responsible for ensuring that networks and communications are optimized and that they function consistently, both internally and externally. Responsibilities: Design and deploy company's network services securely. Monitoring and administration of installations, integration of network communications including routers, switches, firewalls, DMZ, servers, telephony, LAN/WAN. Manage IP subnet, VLANs, DNS, DHCP, VPNs … VoIP traffic. Protect network security. Ensure failure protocols are in place. Stakeholder communication. Ensure connectivity is balanced and sufficient with a failover plan in place. General activities such as administration, asset management, documentation, hardware builds and deployment, technical support of hardware infrastructure. Train end users in safe use of IT infrastructure, and update relevant technical documentation. Skills and Experience More ❯

IT Network Security Engineer Location: Exeter Work Arrangement: In office during probation, 3 days per week in office thereafter Salary: £36.5k I am working with a manufacturing and commerce client based in Exeter. They are looking for a network security engineer to join their IT team. Ideally, you will have some or all of … and systems. You will be responsible for ensuring that networks and communications are optimized and that they function consistently, both internally and externally. Responsibilities: Design and deploy company's network services securely. Monitoring and administration of installations, integration of network communications including routers, switches, firewalls, DMZ, servers, telephony, LAN/WAN. Manage IP subnet, VLANs, DNS, DHCP, VPNs … VoIP traffic. Protect network security. Ensure failure protocols are in place. Stakeholder communication. Ensure connectivity is balanced and sufficient with a failover plan in place. General activities such as administration, asset management, documentation, hardware builds and deployment, technical support of hardware infrastructure. Train end users in safe use of IT infrastructure, and update relevant technical documentation. Skills and Experience More ❯

IT Network Security Engineer Location: Exeter Work Arrangement: In office during probation, 3 days per week in office thereafter Salary: £36.5k I am working with a manufacturing and commerce client based in Exeter. They are looking for a network security engineer to join their IT team. Ideally, you will have some or all of … and systems. You will be responsible for ensuring that networks and communications are optimized and that they function consistently, both internally and externally. Responsibilities: Design and deploy company's network services securely. Monitoring and administration of installations, integration of network communications including routers, switches, firewalls, DMZ, servers, telephony, LAN/WAN. Manage IP subnet, VLANs, DNS, DHCP, VPNs … VoIP traffic. Protect network security. Ensure failure protocols are in place. Stakeholder communication. Ensure connectivity is balanced and sufficient with a failover plan in place. General activities such as administration, asset management, documentation, hardware builds and deployment, technical support of hardware infrastructure. Train end users in safe use of IT infrastructure, and update relevant technical documentation. Skills and Experience More ❯

Network and Security Engineer Job Description When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical … infrastructure connected and protected 24/7. As a Network and Security Engineer reporting to the Head of Infrastructure Operations, you'll play a pivotal role in our ongoing digital transformation. You'll help design, implement, and support the systems that power Telent's ICT estate - working on cutting-edge technologies in a role that blends strategy … working role, with a requirement to be in our Warwick HQ 1-2 days per week, as well as ad-hoc travel on occasion. What You'll Do: Lead network design and architecture for Telent's Corporate Enterprise network - producing, reviewing, and maintaining technical documentation and network schematics. Implement and support advanced network and security More ❯

makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7. As a Network and Security Engineer reporting to the Head of Infrastructure Operations, you'll play a pivotal role in our ongoing digital transformation. You'll help design, implement, and … working role, with a requirement to be in our Warwick HQ 1-2 days per week, as well as ad-hoc travel on occasion. What You'll Do: Lead network design and architecture for Telent's Corporate Enterprise network - producing, reviewing, and maintaining technical documentation and network schematics. Implement and support advanced network and security solutions using Cisco technologies including Software-Defined Access (SDA) and SD-WAN. Strengthen our security posture through centralized authentication (ISE), Cisco Umbrella, and next-gen firewalls (FTD/ASA). Monitor infrastructure health using Cisco tools like ThousandEyes and Catalyst Centre. Manage third-party vendors and licensing contracts to keep infrastructure robust and compliant. Collaborate in the delivery More ❯

population, they continue to set the standard as the UK's best mobile network. Ready to take the next step in your career? Apply today! Responsibilities: Provide 3rd line network security support, troubleshooting and resolving complex issues Work with Fortinet, Palo Alto, Cisco, or Checkpoint (strong expertise in at least one required) Operate in a highly secure environment … SC Clearable candidates preferred) Follow a DuPont shift pattern, ensuring 24/7 coverage of network security operations Collaborate with cross-functional teams on security implementations, upgrades, and incident response Required Skills/Qualifications: Experience in a 3rd line network security role, handling complex troubleshooting and support Strong skills in at least one of the … office) = 1 Day Off This cycle repeats every 4 weeks. Benefits: Hybrid shift model: Nights worked from home, days onsite in Sheffield, Belfast, or Hatfield Work on cutting-edge network security solutions in a high-security environment A structured shift pattern with regular extended time off Salary: £55,000 - £65,000 base salary + £10,000 shift More ❯

A fast-growing hedge fund is building its technology stack from the ground up and seeking a Cloud Network & Security Engineer to take ownership of its cloud networking and security infrastructure. As a Cloud-First, Multi-Cloud company leveraging AWS & Azure, they need an expert to design, secure, and optimize their cloud network architecture. This … is a unique opportunity to build and define the network for a cloud-first hedge fund. If you're a driven Network Engineer looking to make a real impact, apply now! Key Responsibilities: This is a blend of design, implementation, and support, giving you the chance to shape and build the network from scratch. You'll … be responsible for: Designing and delivering cloud-based and on-prem network and security solutions Working with Palo Alto Networks (essential), Cisco, or Arista Supporting a multi-cloud (AWS & Azure) and on-prem data center environment Collaborating with the Senior Technology stake-holders to define and implement best practices Helping build low-latency and high-performance networking (HFT More ❯

Network Engineer London £65,000 pa 3 days in the office My client, an internationally renowned media organisation, are looking for a Network Engineer to join their IT infrastructure team, to be responsible for the network infrastructure. This role involves ensuring the stability and availability of network infrastructure, including conducting failover tests and disaster … recovery procedures. Responsibilities encompass network security, monitoring, and reporting, alongside implementing best practices for configurations such as firewall settings. The position requires active participation in network team projects and troubleshooting technical issues across various technologies, collaborating with internal stakeholders and third parties to resolve escalated problems. Additionally, the role includes advising on infrastructure projects, recommending and implementing More ❯

and throw yourself in the deep end of tech. Within this role, you will report to the Head of security. You will play a senior role within the London network security team responsible for managing the entire infrastructure and networks. You will be able to bring your expertise to the table and work in a shared engineering environment. … This is a fantastic opportunity to join a cutting-edge trading and technology firm that pushes the boundaries of innovation in global markets and offers an environment where a Network Security Engineer can thrive. You'll have the opportunity to work on high-impact projects, protecting the infrastructure that powers industry-leading trading strategies. If you're … passionate about security and want to contribute to a company at the forefront of both finance and technology, this role offers the perfect blend of challenge and opportunity Responsibilities: Play the lead role with the network security team for London Gather requirements, implement solutions and support the global infrastructure Design configure and maintain Cisco ISE Automate security More ❯

Security Engineer Remote with occasional trave to their London office 10 - 12 month contract - starting in August Inside IR35 £450 - £475pd iO are working with an established and successful Consultancy in their search for an experienced Network Security Engineer They have a global presence providing expertise in Cloud, Security and Networking. They provide services … from Strategy and design through to implementation and support This position is critical for designing, implementing, managing, and optimizing the organization's complex network infrastructure, ensuring its stability, security, and scalability, particularly during critical transition and integration phases To be considered for this role you must have experience in the following: Palo Alto Networks Firewalls/Global Protect …/decryption/DLP Fortinet Juniper Routers/Firewalls Good with knowledge of network automations and infrastructure as code Terraform, Ansible and Git Interested in hearing more? Please get in touch with Rebecca Long on/ More ❯

Security Engineer Remote with occasional trave to their London office 10 - 12 month contract - starting in August Inside IR35 £450 - £475pd iO are working with an established and successful Consultancy in their search for an experienced Network Security Engineer They have a global presence providing expertise in Cloud, Security and Networking. They provide services … from Strategy and design through to implementation and support This position is critical for designing, implementing, managing, and optimizing the organization's complex network infrastructure, ensuring its stability, security, and scalability, particularly during critical transition and integration phases To be considered for this role you must have experience in the following: Palo Alto Networks Firewalls/Global Protect …/decryption/DLP Fortinet Juniper Routers/Firewalls Good with knowledge of network automations and infrastructure as code Terraform, Ansible and Git Interested in hearing more? Please get in touch with Rebecca Long on 0117 332 8100/r.long @ ioassociates.co.uk More ❯

Cyber Security Engineer/Network Engineer who has experience working in cyber security, system engineering, or a similar role, with hands-on knowledge of security tools such as anti-malware, content filtering, SIEM and threat detection solutions is required to join our team at a well-established charity. SALARY: £45,000 - £48,000 per … JOB TYPE: Full-Time, Permanent WORKING HOURS: 35 Hours per Week, Monday - Friday, 9:00am - 5:00pm JOB OVERVIEW We have a fantastic new job opportunity for a Cyber Security Engineer/Network Engineer who has experience working in cyber security, system engineering, or a similar role, with hands-on knowledge of security tools … such as anti-malware, content filtering, SIEM and threat detection solutions. Working as the Cyber Security Engineer/Network Engineer which the organisation calls a Security Engineer, you'll be at the frontline of the cyber defence, working closely with the Security Operations Manager to monitor, maintain and enhance security tools and More ❯

per day + Inside IR35 - Hybrid Network Security Engineer - Cheshire Our client is urgently seeking a Network Security Engineer with the following qualifications and skills: IT Related Degree Proven experience in network security, including a strong understanding of network security fundamentals, encryption technologies, and secure network design principles. Experience … troubleshooting firewalls such as Cisco and Palo Alto. Knowledge of intrusion detection/prevention systems and security incident response. Palo Alto Certification Commercial experience with Zscaler and Palo Alto is essential. If you believe this could be your next contract, please forward your CV in the first instance. Note: Due to high application volume, only suitable candidates will be More ❯