1 to 25 of 84 Permanent Network Security Jobs in the South East

Senior Network Security Engineer page is loaded Senior Network Security Engineerlocations: UK - Hooktime type: Full timeposted on: Posted Todayjob requisition id: R At Elanco (NYSE: ELAN) - it all starts with animals! As a global leader in animal health, we are dedicated to innovation and delivering products and services to prevent and treat disease in farm animals … 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 passionate Network Security Engineer to assist us in delivering and implementing a suite of new technology solutions for the company. The Network Security Engineer role will contribute to … the delivery of various technical products alongside other engineers and architects. The Network Security Engineer will be part of the team responsible for developing and supporting Elanco's Network and Security Platform. The team collaborates closely with the technical service owners and operations team to continuously raise the reliability bar for our services, guiding the adoption More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments … contributing to a high-profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings clearly. … Hands-on experience across infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by phase Initial More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments … contributing to a high-profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings clearly. … Hands-on experience across infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by phase Initial More ❯

An exciting opportunity for a passionate Network Security Engineer to join a unique, multi-national Information Management function. Ideal candidates should be committed to protecting our critical systems and ensuring the integrity and security of our network infrastructure. Salary : Circa £50,000depending on experience + shift allowance Dynamic (hybrid) working : 5 days per week on-site … due to workload classification, working a 24/7 Shift Pattern Security Clearance : British Citizen This role will require DV Clearance. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS … and a Security Check (SC) clearance, which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to 15 additional More ❯

Senior Network Engineer Bedford £50,169 per annum Permanent Full Time (will consider Part-Time Applications) Design, implement, and maintain robust, secure, and scalable network infrastructure solutions. Ensure high availability, performance, and security of bphas network systems while mentoring junior staff and collaborating across IT teams. Key Responsibilities Design and develop network architecture strategies aligned … with business needs and industry standards. Implement and manage network security measures (firewalls, VPNs, IDS/IPS). Configure and maintain routers, switches, wireless systems, and firewalls. Deploy scalable, high-performance network solutions with minimal downtime. Conduct regular network maintenance, updates, and upgrades. Perform security audits and vulnerability assessments. Respond to and mitigate network security incidents. Automate network tasks and processes using scripting tools. Maintain comprehensive network documentation and diagrams. Collaborate with IT teams and third-party vendors on network-related projects. Provide technical guidance and mentorship to team members. Stay current with emerging network technologies and trends. Key Performance Indicators High network uptime and minimal downtime. More ❯

Senior Network Design Engineer Salary: £55k basic + £6k car allowance + 10% bonus + 10% DV allowance + 10% Pension Basingstoke: Hybrid circa 2/3 days a week on site Security Clearance: Needs SC Clearance to start and willingness to go through DV Clearance A global IT Consultancy are looking for three Senior Network Designer … Engineers to work on delivery opportunities taking place within their secure Defence and National Security sector. The role will involve understanding the business and technical requirements and you will be responsible for the producing the relevant design collateral (including passing any governance reviews), providing hands on configuration and implementation support, troubleshooting technical issues, ensuring effective handover to service and … Skills and Experience Strong technical networking knowledge with industry-recognized certifications (e.g., Cisco CCNA/CCNP, Juniper JNCIS-ENT). Experience with routing protocols, virtual routing instances, VPNs, and security zones. Experience with network security products including Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS). Proficiency in F5, Cisco Secure Firewall, and Gigamon technology. Demonstrable More ❯

We are seeking a highly skilled and experienced Network Analyst/Architect to join our dynamic IT team. The ideal candidate will play a crucial role in designing, implementing, and optimizing our enterprise network infrastructure, with a strong focus on cloud networking, automation techniques, and traditional network architectures. You will be responsible for ensuring the seamless integration … of cloud-based and on-premise networking technologies, driving performance, scalability, and security across the entire network environment. This position demands a forward-thinking professional who can lead in developing innovative solutions while maintaining and improving our current systems. You will collaborate with IT colleagues, external vendors, and key business stakeholders to ensure that the network infrastructure … aligns with our organization's strategic goals and technology initiatives. Key Responsibilities: Design, Implement, and Manage Network Infrastructure Lead the design and deployment of robust, scalable, and high-performing network architectures, including LAN, WAN, WiFi, and cloud networking solutions. Expertise in routing, switching, and network segmentation to support business operations across multiple sites and cloud environments. Design More ❯

The Role: Leidos, a Global IT Solutions Provider specialising in large scale implementations involving science, engineering, and technology, require a Cyber Defence Analyst to work in their CSOC (Cyber Security Operations Centre) Team. The Cyber Defence Analyst will be expected to contribute to the growth and development of the CSOC. You will work with a wide variety of stakeholders … to ensure, the Leidos CSOC, a Defensive Cyber Security capability, can support a customers Cyber Resilience, protecting them with a 24 x 7 Threat Detection and Response service, mitigating their risk of Cyber Attack. The successful candidate will be able to demonstrate experience from a CSOC background or be able to demonstrate sufficient transferable Cyber Security knowledge, qualifications … succeed in the role the candidate must be capable of working under pressure, delivering on multiple customer accounts and have an appetite to progress and develop their own Cyber Security career. The role will be working within the CSOC, adhering to a matrix managed environment, reporting operationally to the CSOC Lead and accountable to the CSOC Manager. What will More ❯

Network Engineer - Reading, Berkshire, RG2 0RP Contract: PermanentSalary: Competitive salary up to £65,000, depending on experience. As an Operational Technology (OT) Network Engineer , you will be responsible for managing, supporting, and securing Thames Water’s OT network infrastructure. These network systems are vital for enabling remote control, monitoring, and data acquisition across Water and, Wastewater … and Electronic Security System Assets, helping to deliver essential services to our customers, communities, and the environment. This role involves ensuring that OT network assets and systems remain highly available, secure, and aligned with business and industry best practices. You will contribute to both day-to-day operations and long-term strategic improvements, including digital transformation initiatives across … the OT estate. What you’ll be doing as an Operational Technology (OT) Network Engineer Act as a Subject Matter Expert (SME) on network routing, switching, and associated OT network infrastructure. Support the operational reliability of OT network systems to ensure 99.98% availability of critical assets. Lead and support the delivery of network changes in More ❯

A primary technical partner of the MOD are looking to add a number of engineers to their Network Design team, the role will require the understanding of business and technical requirements ensuring these are delivered to the highest possible standard. Your role will involve: Design and deploy networks to meet the organisation and customer needs. Diagnose and troubleshoot network issues, including those escalated by lower tiers of support. Design and implement network security measures to protect data, software, and hardware from threats and unauthorised access. Maintain comprehensive documentation for all implemented networks, including network diagrams, configuration details, and operational procedures. Develop and implement automation scripts to streamline network management tasks and improve efficiency. Plan … for and respond to service outages and other network-related problems, ensuring minimal disruption to business operations. Key Skills Strong technical networking knowledge with industry-recognised certifications Experience with routing protocols, virtual routing instances, VPNs, and security zones. Experience with network security products Demonstrable design experience with global network vendors Network device configuration, troubleshooting More ❯

of the Customer, managing post-sale services engagements for these top-tier clients, leading services engagements to deliver value by driving adoption and consumption across the Palo Alto Networks’ Security platform. Your role will involve managing and mentoring this team, focusing on employee morale, development initiatives, and effectively driving success metrics and KPIs for both the managers and their … teams. You will ensure your team effectively supports customers in maximizing the security and value of their investments in Palo Alto Networks products. Ultimately, you will contribute to the broader GCS mission of ensuring all customers are reliably deployed, fully adopted, technically healthy, and achieving value from their Palo Alto Networks investments. This position requires a strategic mindset and … influence at senior levels, both internally within the organization and externally with customers. This includes engaging closely with key customer stakeholders such as CISOs, CIOs, CTOs, and leaders from security, network, cloud, and security operations teams within the world’s largest and most well-known organizations. You will also need to build strong cross-functional interlocks and More ❯

of the Customer, managing post-sale services engagements for these top-tier clients, leading services engagements to deliver value by driving adoption and consumption across the Palo Alto Networks’ Security platform. Your role will involve managing and mentoring this team, focusing on employee morale, development initiatives, and effectively driving success metrics and KPIs for both the managers and their … teams. You will ensure your team effectively supports customers in maximizing the security and value of their investments in Palo Alto Networks products. Ultimately, you will contribute to the broader GCS mission of ensuring all customers are reliably deployed, fully adopted, technically healthy, and achieving value from their Palo Alto Networks investments. This position requires a strategic mindset and … influence at senior levels, both internally within the organization and externally with customers. This includes engaging closely with key customer stakeholders such as CISOs, CIOs, CTOs, and leaders from security, network, cloud, and security operations teams within the world’s largest and most well-known organizations. You will also need to build strong cross-functional interlocks and More ❯

Python Software Engineer Location: MaidstoneSalary: £55,000 - £65,000 Python - Typescript - JavaScript - GIT - Network Security - Overview We're seeking a talented Software Engineer to join a leading engineering company based in Kent. This is an excellent opportunity for a technically minded developer who enjoys working across both software and hardware systems, contributing to innovative solutions in the energy … technical documentation throughout the development lifecycle. Requirements Degree qualified in Engineering , Software Engineering , or a related discipline. Proven experience in a software engineering or development role. Strong understanding of network security principles. Experience working through the full software development lifecycle (SDLC) . Proficient in version control using Git . Excellent problem-solving and debugging skills. Experience with embedded … essential) JavaScript TypeScript Familiarity with other programming languages, frameworks, or modern development tools would be advantageous. Python Software Engineer Location: MaidstoneSalary: £55,000 - £65,000 Python - Typescript - JavaScript - GIT - Network Security More ❯

Life on the team At Computacenter, we support enterprise-scale organisations in securing their digital operations and advancing their security strategies. As part of our Group Professional Services (GPS) division, youll join a network of over 1,000 technology professionals who collaborate across borders to deliver industry-leading solutions. This role offers the opportunity to shape and deliver … cutting-edge security architectures that span Secure Access Service Edge (SASE), identity and access management, cloud security, and data centre protection. As a Technology Architect (Security), you'll work directly with major enterprise customers, playing a strategic role in advisory, design, and technical delivery. What you'll do Provide expert guidance across SASE/SSE, PAM, detection … and data centre security technologies Lead customer engagements, providing advisory services, architecture guidance, roadmap planning, and solution governance Define and document high-level solution designs, technical requirements, and delivery frameworks Act as Technical or Design Authority for enterprise-scale customer programmes Engage in strategic customer meetings to translate business needs into technical strategy Collaborate with vendors and partners (notably More ❯

Network Design Engineers - Fortinet/SD-WAN | London | £50 - 72k + Bonus Please note - no visa sponsorship available, only candidates who are eligible for SC Clearance can be considered (living in the UK for five years continuously - ILR, British Citizenship or similar settled status acceptable) Are you a skilled Network Engineer ready to take on high impact projects … for a leading technology provider I am exclusively partnered with a major enterprise client on a large scale transformation programme and I'm looking for Network Design Engineers with strong experience in Fortinet, SD-WAN, and network security to join the team.What's on Offer Permanent roles with competitive salaries: £50-72k + 10% bonus Hybrid … working: 3 days on-site in London Work on cutting-edge network architecture and secure infrastructure design Join a fast-paced delivery team with real impact across public and private sector clients What We're Looking For Proven experience in network design and deployment Hands-on with Fortinet firewalls, SD-WAN, and Juniper/Cisco technologies Strong understanding More ❯

Cyber Security GRC Consultant (DV Cleared) Location: Hybrid/Southeast Region - on-site presence required Contract Type: Permanent & Full-time Salary: Competitive + Benefits About the Role As a Cyber Security Consultant, you will play a pivotal role in delivering Secure by Design risk and security assurance services within MOD and Public Sector environments. You'll collaborate … with multi-disciplinary teams to define and implement security risk assessments and best practice solutions, ensuring alignment with business risk appetites and transformation goals. You'll be part of a knowledge-sharing culture, working alongside expert peers in Secure Architecture and Risk Planning. Key Responsibilities Deliver Secure by Design risk and security assurance functions within MOD/Public … Sector. Lead and advise on risk management frameworks, ISMS, and Enterprise Security Risk Management. Facilitate security and risk workshops with Authority departments. Produce clear reporting on vulnerabilities, risks, controls, and treatment activities. Provide pragmatic remediation and risk management guidance. Support secure design across technology platforms including cloud infrastructures. Contribute to blogs and research within the Cyberfort community. Experience More ❯

Network Engineer * Excellent opportunity for an experienced networking professional to join a thriving UK-based Managed Services Provider delivering premium connectivity and IT solutions. * Full-time, permanent role with a mix of design, implementation, troubleshooting, and escalated support responsibilities. * Competitive salary and benefits package, with company laptop, training, and professional development opportunities. * Immediate start preferred - candidates with short notice … see you assisting in the design, installation, and ongoing management of complex customer networks. You'll provide advanced support for connectivity issues, work on large-scale projects, and ensure network security and optimisation. As a senior member of the team, you'll mentor junior engineers, support internal knowledge-sharing, and contribute to the delivery of industry-leading solutions … across multiple platforms and technologies. What will you need? * Minimum 5 years' experience as a Network Engineer or in a similar role within a complex technical environment * Strong understanding of networking fundamentals (TCP/IP, DNS, DHCP, VLANs, subnetting) * Hands-on experience with enterprise-grade equipment (Cisco, Juniper or similar) * Proven ability with routing & switching, including protocols such as More ❯

are the same - and where infrastructure and desktop support go hand-in-hand - this could be your ideal next step. Key Responsibilities Infrastructure Support & Maintenance Manage and maintain servers, network devices, and storage systems. Support and monitor virtual environments (VMware/Hyper-V). Perform system updates, backups, and patch management to ensure security and reliability. Assist with … infrastructure scalability and capacity planning. 2nd Line Technical Support Deliver responsive 2nd line support for desktop, hardware, software, and network-related issues. Resolve escalated incidents and service requests, ensuring SLA compliance. Collaborate with 1st line teams, vendors, and 3rd parties for advanced troubleshooting. Networking & Security Troubleshoot LAN/WAN, VPNs, wireless networks, and network devices. Support network security through monitoring tools, firewalls, and access control. User Support & Training Provide clear, user-friendly technical guidance and occasional training sessions. Ensure end-user systems are protected, patched, and up to date. Project Work Contribute to IT projects including upgrades, cloud migration, and strategy development. Support the business in identifying and implementing new technologies. What You'll Need More ❯

Network & Infrastructure Engineer Location: London/Hybrid Salary: £40,000-£60,000 Overview We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation. This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate … building auto; HVAC, lighting, security and IoT with enterprise IT Systems. This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation. … The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams. Key Responsibilities Network & Infrastructure Design Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls. Configure and manage network segmentation, VLANs More ❯

Network & Infrastructure Engineer Location: London/Hybrid Salary: £40,000-£60,000 Overview We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation. This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate … building auto; HVAC, lighting, security and IoT with enterprise IT Systems. This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation. … The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams. Key Responsibilities Network & Infrastructure Design Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls. Configure and manage network segmentation, VLANs More ❯

Network & Infrastructure Engineer Location: London/Hybrid Salary: £40,000-£60,000 Overview We are seeking an experienced Network & Infrastructure Engineer to design, implement, and support secure, scalable, and high-performing technology environments across our organisation. This is an exciting opportunity to work at the cutting edge of Smart Building applications, IoT, IT/OT convergence to integrate … building auto; HVAC, lighting, security and IoT with enterprise IT Systems. This is a hybrid technical and stakeholder-facing role, combining hands-on engineering expertise with project delivery and business engagement skills. You’ll lead network and infrastructure initiatives end-to-end — from understanding user needs and translating them into technical designs, through to deployment, documentation, and optimisation. … The ideal candidate will have a strong grounding in network and security technologies, cloud infrastructure, and project management, with the ability to communicate effectively across technical and non-technical teams. Key Responsibilities Network & Infrastructure Design Design, deploy, and maintain network infrastructure including LAN/WAN, wireless, VPN, and firewalls. Configure and manage network segmentation, VLANs More ❯

Role: Head of Cyber Security Location: Southampton (Hybrid) Salary: £80,000 £100,000 + Bonus & Equity Prestigious Law Firm | Cyber Leadership | Build & Strengthen Security in Legal Domain Were working with a leading law firm in Southampton that thrives on trust, data integrity, and client confidentiality. As they expand, theyre seeking a Head of Cyber Security to lead … from the front, shaping security strategy across legal, IT, and client-facing systems. Youll define security architecture, lead threat assessments, manage incident response, and ensure compliance with regulatory standards relevant to legal practice. This role offers you a unique opportunity to build a security function in a high-stakes environment, with direct exposure to senior leadership and … long-term career paths into broader technology leadership within the firm. Required Skills: Proven track record in senior security roles (e.g. Head of Security, CISO, or equivalent) Strong technical foundation in cloud security, identity & access management, network security, encryption, threat modelling Hands-on knowledge securing hybrid and cloud infrastructure (AWS/Azure/GCP) Experience More ❯

Are you looking for a career where your IT network expertise keeps one of the UKs busiest rail networks connected, secure, and moving every day? We are seeking an IT Network Manager to join our team based from our Head Office in London Bridge (hybrid working). 2025 is the 200th anniversary of the first-ever passenger rail … journey, so were celebrating our proud history and our bright future. Can you move people? Apply now. What youll do You will provide inspirational leadership to your network team responsible for keeping Southeasterns mission-critical network running smoothly across over 200 sites in the South East including stations, depots, offices, and data centres. Our train operations depend on … this network, so reliability and performance are key. As we finalise our transition from a legacy setup to a modern Fortinet SD-WAN infrastructure, youll play a vital role in shaping the future of our connectivity. This is your chance to be part of a major transformation journey ensuring that the new technology is fully optimised and deployed. Supporting More ❯

bring cutting-edge, fanless solutions to businesses across the Middle East and North Africa. Our portfolio includes rugged industrial PCs, touch panel systems, embedded fanless computers, mini PCs, and network security servers designed for high-stakes environments such as network security, automation, telecommunications, and medical applications. Known for our proven reliability, customization at scale, and expert More ❯

Network Engineer – Cisco, Palo Alto, FortiGate Firewalls, Cisco Catalyst, Nexus switches, Cisco ISE expertise, Cisco Wireless Controllers We are seeking a skilled Network Engineer for a 12-month Fixed-Term Contract to join a leading professional services organisation. Reporting directly to the Infrastructure Platforms Manager, you will play a key role in maintaining and optimising the existing LAN …/WAN infrastructure, while also supporting office moves, changes, and ongoing infrastructure projects. Key Responsibilities Design, implement, and manage complex network infrastructure using Cisco Campus Networking (9300 series) and Cisco Nexus switches. Configure, deploy, and maintain Palo Alto Prisma Access firewall policies. Administer and configure FortiGate Firewalls for advanced security and threat management. Monitor network performance, troubleshoot … issues, and ensure high availability. Develop and enforce network security policies, procedures, and standards. Provide advanced technical support and escalate issues to 3rd party managed service providers where necessary. Stay up to date with industry trends and emerging technologies. Ensure compliance with relevant regulatory and legal obligations, including SRA Standards and Principles. Skills & Experience Strong knowledge of core More ❯