1 to 25 of 252 Permanent Network Security Jobs in England

N etworking Security Engineer To £70k + Benefits + Training + Supportive Culture Based: Manchester Who's it for We are proud to be partnering with a leading tech employer with headquarters in Manchester. A business driven by both technology and great service, they now require a network security engineer to help support and develop their internal … IT network security capability. Employing over 500 IT staff they offer an amazing career opportunity, coupled with an award winning culture, brilliant training and support across all your certification pathways. The role The network security engineer will be a highly skilled individual aimed at designing, maintaining, and improving the overall network security posture of … primarily). You will implement policies and procedures to aid other engineers to maintain secure delivery of support issues and projects. This is a hands-on role that delivers network security to a level that can deflect most if not all attacks aimed at the network infrastructure. This role reports directly into a Senior Networking Operations Manager 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 threat 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 seeking 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 ❯

Network Security Engineer Location: Basingstoke (Hybrid - 2-3 days on-site per week) Salary: Up to £60,000 + 10% bonus 83zero are proud to be working with a leading global organisation, headquartered in Basingstoke, who are on the lookout for a Network Security Engineer to join their Central IT division. This business operates within a … secure and highly regulated environment and are looking for a technically skilled professional to help maintain and enhance their critical network infrastructure. As a Network Security Engineer , you'll play a vital role in the build, support, and evolution of complex networking systems, ensuring resilience, security, and performance across their production, pre-production, and development environments. … You'll work closely with the Infrastructure and Security teams to both proactively manage the network and support ongoing security initiatives. Key Responsibilities: Provide technical support and network configuration across LAN, WAN, WLAN, VPN, firewalls, and intrusion prevention systems Maintain and support Cisco, HP, and Check Point hardware/software Respond to service requests and incidents More ❯

will you be working? At M Group Telecom, were enabling and enhancing telecom networks, playing a lead role in the delivery of our tech enabled future. We deliver full network cycle services for fixed, private and mobile operators. This role will be within our Private networks .We find the best technology, manage assets and refresh systems. With 24/… network operations, we keep things running smoothly, while operating comprehensive network repair and maintenance to keep everything in top shape. Want to come and be a part of it? What will you be doing? Youll work as part of the Network Engineering team and provide operational support to the network security architecture. Youll have a … good understanding of IP network architectures and Security and work well as part of a team. Whilst the role is office working hours you will need to be on a rota for emergency OOH support. At times travel will be required to go to the customer's sites which are in Warwickshire and Wokingham or to data centres More ❯

Senior Security Engineer (Product Security) Technology London New Senior Security Engineer (Product Security) London Ebury is a global fintech firm dedicated to empowering businesses to expand internationally through tailored and forward-thinking financial solutions. Since our founding in 2009, we've grown to a diverse team of over 1,700 professionals across 40+ offices and 29+ … contributions are valued. You'll play a key role in shaping the future of cross-border finance, while advancing your own career in a dynamic, high-growth industry. Senior Security Engineer London Office - Hybrid: 4 days in the office, 1 day working from home Role Overview We are seeking a Senior Security Engineer to embed security throughout … our product development lifecycle. You'll work directly with engineering teams to identify and mitigate security risks through threat modeling, secure code reviews, and integrated security tooling across our web and mobile applications. This role is critical to establishing our secure development practices, implementing industry-standard SSDLC processes, and ensuring our financial products are resilient against evolving threats. More ❯

Security Engineer, Network Security, Basingstoke, COR7186 This is an excellent opportunity for an ambitious and technical Security Engineer, to join a growing, award winning company, at their head offices in Basingstoke. The successful Security Engineer will be required to have a full-UK driving license as this role will involve ad hoc travel to other … sites/data centres. The Role The Security Engineer will be joining the internal security team, working alongside an external SOC, in-order to support the business on all internal network security issues that arise. You will be an enthusiastic individual with a passion for all things security, with an eagerness to learn and develop. … Outside of this, you will ideally have a broad range of skills with regard to network troubleshooting, firewalls, IDS/IPS, VPNs and more. The Company The Security Engineer will be joining a well-established Managed Service Provider with ambition and a clear plan for growth. Vendor-neutral, their commitment to quality has seen them partner with over More ❯

Description The Network Security Consultant will provide delivery leadership within the Professional Services consultancy team primarily aligned to clients in the USA region. This client-facing role includes the following responsibilities. Personal/General Maintain day to day records of project work to allow accurate billing and reporting of consultancy time; Maintain effective network of business contacts … within Verizon and their partner community; Maintain and grow their own knowledge to ensure this maintains fully relevant to the network security services practice and its clients; Have strong presentation and written/verbal communications skills at multiple levels of an organization; Have a minimum of 5+ years of network security consulting, design and delivery experience. … As a Network Security Consultant you will bring – Technical expertise with very strong skills in most of the technologies below: Firewalls: Checkpoint, Juniper, Palo Alto, Cisco ASA/FTD, Fortinet; Proxy Services: Bluecoat (forward/reverse proxy), Zscaler; Load Balancers: F5 (LTM/GTM); IDP/IPS: FirePower/Sourcefire IPS/IDS, McAfee Identity & Access Management: Cisco More ❯

faculty of world experts, EIT seeks to solve the world's most challenging problems across four high-risk, high-reward, high-impact humane endeavours: health and medical science; food security and sustainable agriculture; climate change and clean energy; and Artificial Intelligence & Robotics. EIT is investing significant resources in a new world-class research and development facility in the Oxford … resilient in our efforts to drive long-term, sustainable innovation to meet humanity's most enduring challenges. Reporting into the IT Director, EIT is looking for a Head of Network Infrastructure to lead our enterprise-wide network and infrastructure strategy and be a significant contributor to the development of our Oracle Cloud Infrastructure strategy. As Head of Network … secure, and scalable LAN, WAN, Wi-Fi, and Cloud architecture to support our mission-critical scientific research and technology-driven operations. We are at the very start of our Network Infrastructure journey, and the successful candidate will have the opportunity to build and deliver the latest network technologies to support a multi-site campus that requires fast, reliable More ❯

Cyber Security Engineer (DevSecOps) Security Clearance Required - DV ('Developed Vetting') Location: Huntingdon, UK (On-site 4/5 days a week) UNLEASH YOUR POTENTIAL At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers success. We empower our teams, contribute to our communities, and operate sustainably. Everything … people, and our community. Our Mission, Vision, and Values guide the way we do business. Are your ready for your next challenge? We are in search for multiple Cyber Security Engineers with varying technical backgrounds - Required to work at our customer site in Huntingdon, Cambridgeshire with occasional travel to other UK sites. In this role, you will working within … a team of engineers to ensure that the customer sites maintain a strong cyber security posture. Cyber Security Engineers are responsible for providing cybersecurity engineering services for classified and unclassified networks of computer systems. The Cyber Security Engineers will provide operational and engineering support. This position perform the following tasks: Develop creative solutions to complex technical issues More ❯

Network Security Operations Senior Engineer - UK page is loaded Network Security Operations Senior Engineer - UK Apply locations GBR - Northumberland - Cramlington GBR - London - London time type Full time posted on Posted 4 Days Ago time left to apply End Date: September 2, 2025 (29 days left to apply) job requisition id R535396 Job Description The Position As … a member of the team in Business Technology, the successful candidate will be part of the Network Service Delivery and Operations team ensuring the operation of our Company's Global Network. These services allow our Company to communicate globally and collaborate worldwide with partners and customers. This role requires a skilled individual with extensive experience in network security. … Responsibilities Work to support the continuity, stability and security of Organon's network. Assist with network security requests coming from other teams. Troubleshoot network security related issues. Cooperate with Network Engineering and Architecture team on solving complex incidents. Required Education, Experience, and Skills Extensive experience in network security. Experience with management of next More ❯

An impressive multinational Telecoms business is looking for a Senior Security Engineer to join its team based in London. Please note, this role is hybrid so you will be required to work in the office 3 days per week. As a Senior Network Security Engineer, you will be responsible for designing, implementing, and managing security solutions … that protect a large and high-profile network infrastructure. You will work closely with the team to proactively improve network security (both on-prem and cloud), detect threats and maintain a strong systems defence posture. In order to be suitable for this role you must have proven experience of designing, configuring and maintaining network security solutions. You will be a hands-on technical expert with deep knowledge of network security, firewalls, and cloud security (AWS/Azure). CISSP and/or CCNP Security accreditation are expected, while previous experience in the Telco sector would be advantageous to your application. This is an outstanding opportunity for an accomplished Network More ❯

Role: Cyber Security Engineer Location: Leeds, West Yorkshire Salary: £55,000 - £70,000 PLUS 25 Days Holiday, Vendor Certifications, International Travel, Private Pension About the Company: Our client, a global leader in Sustainability Consulting, is looking for a Cyber Security Engineer to join their growing Information Security Team. This exciting role provides an opportunity to shape and … strengthen security practices across the organization. If you are passionate about cybersecurity, have a strong technical background, and thrive in a fast-paced environment, we want to hear from you. Position Overview: As a Cyber Security Engineer, you will collaborate with the IT Security Team to advise, develop, and maintain security processes and policies. Your expertise … will guide the organization in enhancing security capabilities across its global infrastructure. This role offers a chance to make a real impact by ensuring the integrity and resilience of the company’s IT environment against evolving cyber threats. Key Responsibilities: Support incident management and security response efforts, providing expertise to address and resolve security incidents quickly and 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 ❯

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 ❯

Gartner and Forrester, and our sustained, aggressive growth has landed Smarsh in the annual Inc. 5000 list of fastest-growing American companies since 2008. We're seeking a Product Security Engineer to support secure development across our engineering teams. In this hands-on role, you'll help identify and mitigate product risks by participating in security reviews, improving … tooling, and supporting vulnerability remediation. You'll work closely with senior security engineers and cross-functional teams to build security into our software development lifecycle. This is a great opportunity for a security-minded engineer who wants to grow their technical breadth while making meaningful impact in a cloud-first, DevOps-centric environment. You must be comfortable … in a dynamic, fast-paced environment. Collaboration across time zones and geographies is a key part of our culture and success. How will you contribute? Secure SDLC Integration: Embed security within the software development lifecycle, ensuring security is considered at every phase-from design to deployment. Threat Modeling & Security Design Reviews: Conduct structured threat modeling and security More ❯

everybody for who they are and what they bring to the table, supporting one another as we continue to deliver for our customers. LI-KS1 The role of Cyber Security Consultant sits within the Cyber Security team in Three UK, which is responsible for providing subject matter expertise and guidance to business units across Three's Network and Enterprise domains to enable the business to deliver its outcomes in a secure manner, building customer trust in a reliable network which matches the best, whilst ensuring compliance to regulatory requirements, company policy and standards. In this role you will have a broad and challenging remit, you will therefore need to be flexible and agile in your … approach, switching between different security disciplines within the team as necessary. You will be engaging in the delivery of multiple business initiatives by introducing baseline and enhanced security requirements and supporting their implementation through guidance and advice. You will also be recommending security solutions and then providing design input and technical approvals, assurances, and governance of deliveries More ❯

Are you passionate about network & security and ready to take on an exciting role in a global company? Join a prominent logistics and supply chain management company that offers a wide range of services, including road, air, sea, and warehouse logistics. They are currently seeking for a Network & Security engineer who will be responsible for deploying … administering, and supporting cutting-edge global networks and security systems. If you're looking to make a real impact, work with the latest technology, and grow your career, this is the perfect opportunity for you. Want to learn more about this opportunity? Feel free to reach out and apply today! Responsibilities : Deploy, administer, and maintain network and security platforms (routers, switches, firewalls, VPNs, and more). Conduct diagnostics to ensure maximum reliability across Cisco-based technologies. Monitor network traffic and optimize performance for enhanced efficiency and security. Implement remote access and VPN solutions, and manage PKI certificates. Collaborate with IT and security teams to integrate security measures into new systems and applications. Provide BAU 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, problem-solving … 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 ❯

Our client a global, multi-strategy investment firm with over $21 billion in assets under management is seeking a highly skilled and motivated Network Engineer to join its London-based team. This is a hands-on engineering role with exposure to a wide range of technologies, offering the opportunity to shape the infrastructure of a world-class trading environment. … Key Responsibilities Design, implement, and maintain a multi-vendor, global network infrastructure. Manage firewall systems and enhance network security practices. Partner with technology and investment teams to deliver scalable, secure network solutions. Conduct network capacity planning and performance tuning. Define and enforce network security standards. Troubleshoot and resolve complex network and security …/7 on-call support and out-of-hours maintenance. Ideal Candidate Profile Cultural Fit Self-driven and proactive with a strong desire to learn and grow. Passionate about network security or automation. Able to perform under pressure in a high-stakes, fast-paced environment. Comfortable working independently while collaborating across global teams. Clear and effective communicator. Technical More ❯

Please follow us on WeChat to see all our Cantonese and Mandarin jobs, interview tips and London news: Please click for similar jobs Job Title: Mandarin Speaking IT Network Manager The Skills You'll Need: Fluent in Mandarin, IT Network system administration/Security working experience. Your New Salary: Depending on experience Office based Start: ASAP Working … hours : 35 hours Mandarin Speaking IT Network Manager - What You'll be Doing: Responsible for the daily operation and maintenance of network systems, carrying out routine works of network installation, upgrade, monitoring and change Lead IT network projects planning that includes but not limited to project budget, carrying out business requests analysis and control, proposing and … reviewing technical solutions Lead IT network projects implementation, including planning management, resource management, risk management and communication management, and monitoring of project delivery Responsible for the establishment and renewal of IT specifications related to network systems Propose implementation procedures to Management according to Head Office's policies and IT Centre's requirements Assess network systems security More ❯

To see more Chinese jobs please follow us on WeChat: teamchinapf AND pfteamchina Ref: 22974 The Skills You'll Need: Fluent in Mandarin, IT Network system administration/Security working experience. Your New Salary: Depending on experience Office based Start: ASAP Working hours : 35 hours Mandarin Speaking IT Network Manager - What You'll be Doing: Responsible for … the daily operation and maintenance of network systems, carrying out routine works of network installation, upgrade, monitoring and change Lead IT network projects planning that includes but not limited to project budget, carrying out business requests analysis and control, proposing and reviewing technical solutions Lead IT network projects implementation, including planning management, resource management, risk management … and communication management, and monitoring of project delivery Responsible for the establishment and renewal of IT specifications related to network systems Propose implementation procedures to Management according to Head Office’s policies and IT Centre’s requirements Assess network systems security risk and propose security risk control solutions and execute them. Responsible for the design and More ❯

a lifeline. Are you a skilled cybersecurity professional with a passion for aviation or mission-driven charity work? In this role, you'll be responsible for implementing and managing security infrastructure, responding to threats, and ensuring compliance across systems. You'll work with various cyber security solutions while driving security best practices and incident response. If you … Based Role - Ashford, (Kent) UK or Cairns, Australia. UK - £43,800 per annum (dependent on experience) Australia - $85,000 AUD per annum (dependent on experience) Responsibilities As a MAF Security Operations Specialist you will play a critical role in protecting our digital infrastructure. You'll lead the implementation and management of SIEM systems, Fortinet security tools, and endpoint … vulnerability assessments and penetration testing to stay ahead of cyber threats. You'll enhance identity and access management (IAM) by maintaining Active Directory, Entra ID, MFA, and Zero Trust security principles. Your expertise in network security, VPNs, SD-WAN, and Microsoft Defender solutions will help safeguard our systems, while your contributions to incident response, governance, and security More ❯

To support the Chief Information Security Officer in managing and reporting the Information Security Risks faced by Technology Services (TS) in delivering AJ Bells systems and services. This role is responsible for facilitating the secure delivery of AJ Bells technology and business change. The Information Security Architect will play a lead role in designing and implementing security … Key to this is assisting and supporting our colleagues in achieving their goals, but in a secure manner. The key responsibilities of the role are: Subject matter expertise for security best practice, ensuring the maintenance of the confidentiality, integrity and availability of AJ Bells systems and data. Design and implementation of enterprise security technology controls and platforms, following … industry best practices. Supporting and advising on projects and change initiatives to ensure that there is no negative impact on our security posture Carrying out internal security reviews both on solutions we develop in house and third-party solutions. Supporting audit and due diligence activities within Technology Services Working with Information Security, Infrastructure and Architecture to define More ❯