1 to 25 of 61 Network Security Engineer Jobs in England

Role: Network & Security Engineer Rate: Inside IR35 Location: Full time onsite in Harmondsworth, West Drayton Duration: 6-months initially The Role We are looking for Network L2 and L3 admins for one of the major airlines in the UK. This role is customer-facing and requires strong technical hands-on and good communication skills as outlined … OSI layers 1-7, with the ability to apply analytical and troubleshooting skill sets to solve complex problems across all networking disciplines * Monitor the performance and capability of the network using diversified tools. Identify the malfunctioning of hardware, software, and alerts events. * Triage or troubleshoot the issues & incident, within the defined areas. Follow Standard Operating Manuals and coordinate with … resolutions. * Develop strong relationships with the customer and all other support departments. * Experience in supporting the Cisco WLAN Controllers, SSID and Access Points * Experience on Implementing and troubleshooting Firewalls Security, VPN's, NAT policy, Software Patch management * Configuring and troubleshooting routing & switching protocols: Set up and troubleshoot protocols like OSPF, BGP, EIGRP, VLANs, STPs, VRF, MC-LAG, FHRP, DMVPN 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 ❯

We are seeking an experienced Network and Information Security Engineer to join our team. In this role, you will be responsible for managing and configuration of network equipment (Cisco, Juniper,etc.) , and ensuring the smooth operation of our ZSTACK cloud environment. Key Responsibilities: (1) Strictly abide by the local laws, regulations and company rules and regulations … of the country or region to do the relative network maintenance or information security jobs; 1-3 years of experience in network maintenance, configuration, cyber security and information; Hardworking and quick learning. (2) Experience with the details and practical application of current data protection legislation, and possess an in-depth understanding of the GDPR. (3) Following … the guidance of CTG HQ network and information security department to do the relative jobs, reports, support internal and external networks, including VPN setup, DNS management, AP management, firewall configuration, WAF (e.g. Akaimai),SIEM(e.g. IBM QRada),etc. (4) Familiar with IP network, familiar with Cisco and Juniper, etc. equipment’s maintenance and configuration. (5) Experience with More ❯

We are seeking an experienced Network and Information Security Engineer to join our team. In this role, you will be responsible for managing and configuration of network equipment (Cisco, Juniper,etc.) , and ensuring the smooth operation of our ZSTACK cloud environment. Key Responsibilities: (1) Strictly abide by the local laws, regulations and company rules and regulations … of the country or region to do the relative network maintenance or information security jobs; 1-3 years of experience in network maintenance, configuration, cyber security and information; Hardworking and quick learning. (2) Experience with the details and practical application of current data protection legislation, and possess an in-depth understanding of the GDPR. (3) Following … the guidance of CTG HQ network and information security department to do the relative jobs, reports, support internal and external networks, including VPN setup, DNS management, AP management, firewall configuration, WAF (e.g. Akaimai),SIEM(e.g. IBM QRada),etc. (4) Familiar with IP network, familiar with Cisco and Juniper, etc. equipment’s maintenance and configuration. (5) Experience with 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: 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 ❯

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 ❯

acquire new skills and experiences that will propel your career to new heights. Making animals' lives better makes life better - join our team today! We are seeking a Principal Network Security Engineer to assist us in designing and implementing firewall and network access control ( NAC ) technology solutions across IT and OT networks. The Principal Network Security Engineer will contribute to delivering various technical products in collaboration with other engineers, architects, and operational support teams. The Principal Network Security Engineer will be part of the team responsible for developing and supporting Elanco's Network Security Platform. The team collaborates closely with technical service owners , architects, and the operations … team to continuously raise the reliability bar for our services while guiding the adoption of Elanco's network and security platform. The team provides direction for implementing modern technologies and a zero-trust strategy throughout all stages of the service development life cycle. Your Responsibilities: Work with the Network Architect to design , develop and maintain the enterprise 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 ❯

Network Security Engineer Location: London (Moorgate) | 4 Days Onsite Salary: Competitive + Excellent Benefits A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide range of infrastructure and … network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness initiatives Essential Experience: Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with Zscaler (ZIA/ZPA), Splunk Strong understanding of … IT security practices Cisco CCNA/CCNP certification or equivalent Desirable Experience: Background in supporting Windows Server, Linux, Active Directory, and Exchange Familiarity with VMware, VxRail, Rubrik, and backup/recovery processes Exposure to CUCM, LogicMonitor, Mimecast, Okta, and other security tools Benefits Package Includes: Competitive salary (up to £72,000 depending on experience) 10% employer pension contribution More ❯

Mid-Level Network Security Engineer Location: London (Moorgate) | 4 Days Onsite Per Week Salary: Competitive + Excellent Benefits A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide … range of infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE and Zscaler Internet/Private Access solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness initiatives Essential Experience: Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE … Experience with Zscaler (ZIA/ZPA), Splunk Strong understanding of IT security practices Cisco CCNA/CCNP certification or equivalent Desirable Experience: Background in supporting Windows Server, Linux, Active Directory, and Exchange Familiarity with VMware, VxRail, Rubrik, and backup/recovery processes Exposure to CUCM, LogicMonitor, Mimecast, Okta, and other security tools Benefits Package Includes: Competitive salary (up 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 ❯

Senior Network Security Engineer Sheffield or Hatfield £58,000 to £70,000 + 10% Bonus 10% Pension + Life Assurance + Excellent Benefits + Share Equity Hybrid Working | 3 On Site | 2 Remote ** The business will support the application for security clearance. Due to the nature of work, the individual has to be a UK national … have lived and worked in the UK for the past 5 consecutive years. ** The Role In a Nutshell Act as the primary technical authority for key customer's complex network and security infrastructure. This is a unique hybrid position blending Technical Design Authority responsibilities with senior operational engineering, requiring deep networking and security expertise to drive technical … Business With one of the largest networks in Europe, this business invests hundreds of millions annually in research each year and employs more than 10,000 people in the network business alone. With incredible opportunities to learn, develop and grow your skills, they will invest in you, nurture your potential and shape your future whatever your background or experience. More ❯

Senior Network Security Engineer Sheffield or Hatfield £58,000 to £70,000 + 10% Bonus 10% Pension + Life Assurance + Excellent Benefits + Share Equity Hybrid Working | 3 On Site | 2 Remote ** The business will support the application for security clearance. Due to the nature of work, the individual has to be a UK national … have lived and worked in the UK for the past 5 consecutive years. ** The Role In a Nutshell Act as the primary technical authority for key customer's complex network and security infrastructure. This is a unique hybrid position blending Technical Design Authority responsibilities with senior operational engineering, requiring deep networking and security expertise to drive technical … Business With one of the largest networks in Europe, this business invests hundreds of millions annually in research each year and employs more than 10,000 people in the network business alone. With incredible opportunities to learn, develop and grow your skills, they will invest in you, nurture your potential and shape your future whatever your background or experience. More ❯

Job Title: Network & Security Engineer (12-Month Contract) Location: Stockley Park (Hybrid) Contract Length: 12 Months Positions Available: Between 10 and 20 Client: Leading Retail Company Alchemy Recruitment is proud to partner with a renowned retail organisation undergoing significant digital transformation. As part of this initiative, we are seeking 10-20 experienced Network & Security Engineers … to join their team on a 12-month contract basis. Role Overview: As a Network & Security Engineer, you will play a critical role in maintaining and enhancing the security and reliability of the organisation’s network infrastructure. You’ll be working in a fast-paced environment, supporting large-scale retail operations and contributing to strategic … technology initiatives. Key Responsibilities: Design, implement, and maintain secure network solutions (LAN/WAN, VPNs, firewalls, etc.) Monitor network performance and security systems to detect and respond to threats Support incident response efforts and troubleshoot complex network/security issues Collaborate with IT teams to ensure compliance with security policies and standards Contribute to 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 ❯

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 ❯

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 ❯

Role Overview Seeking an experienced Senior Network Engineer with deep expertise in multi-vendor networking and security solutions. Required Skills and Experience Proven expertise in F5 LTM, including load balancing concepts, iRules development, and VIP configuration. Strong background with Fortinet security solutions, especially FortiGate firewall and FortiManager configuration and policy deployment. Hands-on experience with Juniper … SRX firewalls and EX switches. Proficiency with Cisco Nexus 7k switches and Cisco ISE for network access control. Solid understanding of routing, switching, and network documentation standards. Excellent problem-solving, communication, and documentation skills. More ❯

Role Overview Seeking an experienced Senior Network Engineer with deep expertise in multi-vendor networking and security solutions. Required Skills and Experience Proven expertise in F5 LTM, including load balancing concepts, iRules development, and VIP configuration. Strong background with Fortinet security solutions, especially FortiGate firewall and FortiManager configuration and policy deployment. Hands-on experience with Juniper … SRX firewalls and EX switches. Proficiency with Cisco Nexus 7k switches and Cisco ISE for network access control. Solid understanding of routing, switching, and network documentation standards. Excellent problem-solving, communication, and documentation skills. More ❯

Darkshield is an expert cybersecurity agency based in York, UK. We help organisations navigate an increasingly complex digital landscape by providing expert services in penetration testing, vulnerability assessment, managed security, and more. Our mission is to protect businesses by delivering tailored, cutting-edge cybersecurity solutions that keep them resilient and ahead of cyber threats. The Role We are looking … for a Network Security Engineer to design, implement, and maintain robust security solutions that protect our clients' networks from cyber threats. Key Responsibilities Design, implement, and maintain secure network architectures. Monitor and respond to security threats across network infrastructure. Conduct firewall configurations, VPN implementations, and intrusion prevention. Perform security audits and risk … assessments on network environments. Requirements Proven experience in network security engineering. Strong understanding of networking protocols, firewalls, IDS/IPS, and VPN technologies. Hands-on experience with security tools such as Cisco ASA, Palo Alto, Fortinet, and others. Knowledge of cloud networking and security (AWS, Azure, or Google Cloud) is a plus. 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 ❯