1 to 25 of 79 Network Security Jobs in the South East

Security Architect (Network Security) Location -Warwick/Wokingham/Hybrid About the Role We are seeking an experienced Security Architect (Network Security) to design, implement, and maintain enterprise-grade network security solutions. This role will play a critical part in safeguarding infrastructure, ensuring compliance with global standards, and driving a proactive security posture across the organization. You will work closely with cross-functional IT teams, influence security strategy, and provide expert guidance on best practices in a highly regulated environment. Key Responsibilities Design, architect, and maintain network security infrastructure including Firewalls, IDPS, Proxies, Load Balancers, VPNs, and WAFs. Develop and manage firewall policies, network access controls, IAM … solutions, MFA, RBAC, and privilege management . Ensure alignment of security measures with compliance standards (GDPR, HIPAA, PCI DSS). Conduct regular security audits and assessments to identify and remediate risks. Apply industry frameworks such as NIST Cybersecurity Framework, ISO 27001, CIS Controls . Oversee and enhance security technologies: SIEM, vulnerability management, cloud security (OCI/ 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 an Operational Support team and will provide operational support to the network security architecture. Youll have a … good understanding of IP network architectures and Network 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 More ❯

Stevenage Join our forward-thinking IM Networks team as a Crypto Network Specialist. You'll own our cryptographic estate and processes while playing an active, hands-on role in the Network Security team. Think 70-80% crypto governance/operations and 20-30% network/security operations. You'll help us deliver secure, resilient connectivity … environment. Salary : Up to £60,000 depending on experience Dynamic (hybrid) working : 2-3 days per week on-site depending on business need. Some shift working may be required. Security Clearance : DV, but you are not required to hold DV currently. Nationality: British Restrictions and/or limitations relating to nationality and/or rights to work may apply. … After offer stage, all successful candidates will undergo HMG Basic Personnel Security Standard checks (BPSS) that are managed by the MBDA Personnel Security Team. If the applicant does not have SC, an SC application will follow on from a successful BPSS clearance, followed by a DV application. What we can offer you: Company bonus : Up to More ❯

Security Analyst (Network & Support) Location - London (Hybrid) Duration - 6 Months (Initially) Rate - £450 (A day) IR35 - Outside IR35 Summary To be part of Digital Services, actively contributing as a member of the Infrastructure and Operations Team to support and develop the Network Infrastructure, Services, and Security. Provide 3rd line support for all wired, Wi-Fi, and remote … access network services to staff, students, contractors, and visitors. Act as a key point of reference in network security, contributing to the implementation, development, provisioning, and operational support of network dependencies. The post holder will be expected to support the designing, implementation, and maintenance of our client's Network Security Infrastructure to protect against … cyber threats. Accountabilities and Responsibilities Security Operations Support Serve as a reference point for network security across IT teams, providing guidance and specialised expertise on security measures. Conduct vulnerability assessments, security audits, and continuous monitoring of network traffic for anomalies using advanced security tools. Collaborate with IT teams to ensure security measures More ❯

Your new role - Permanent - ON SITE 5 Days per week. You will be required to obtain security clearance and undergo vigorous onboarding checks - UK Only. Sponsorship NOT available.The main purpose of this job mainly focusses on information security, cybersecurity, and data security, including a wide scope, such as physical security of computer rooms, operating system level … security of Windows and Linux, network security of firewall and other security devices, application security both development and testing phrases, terminal security, backup security, third party and supply chain security of IT service provider.Liaison with the Head Office, Security Operation Centre or Data Centre for implementing security policies, projects and … security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure best practice and international baseline standards are in place and in line with local regulations.The ideal candidate will be responsible for managing information security systems, ensuring compliance with regulatory requirements, and conducting thorough security audits.You will be part of More ❯

Senior Network Security Engineer Location: Fully Remote Rate: Up to £450 per day (Inside IR35) Duration: 6 Months About the Role We are seeking an experienced Senior Network Security Engineer to join on a 6-month contract. This is a fully remote role, offering an opportunity to work on high-impact security projects and infrastructure … initiatives. You’ll be responsible for strengthening the security posture, managing critical systems, and mitigating risks across cloud and network environments. Key Responsibilities Manage, configure, and troubleshoot Palo Alto firewalls to ensure optimal security. Implement and maintain Azure security controls , including identity, networking, and monitoring solutions. Configure and manage Web Application Firewalls (WAFs) to protect against application … layer attacks. Conduct security audits , review findings, and produce comprehensive reports. Proactively mitigate vulnerabilities identified in security reports and assessments. Collaborate with cross-functional teams to ensure security best practices are followed. Stay up to date with emerging threats, vulnerabilities, and industry trends. Skills & Experience Required Proven experience as a Network & Security Engineer or similar 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 ❯

Network & Security Consultant (Contract) Location: Fully Remote (UK-based) Rate: Up to £500 per day (Outside of IR35) Duration: 3 months strong potential for extension Our client, a leading cyber security and managed services provider, is seeking an experienced Network & Security Consultant to support the delivery of high-performance, secure infrastructure across enterprise and service … provider environments. You’ll play a key role in designing, implementing and optimising network and security solutions that enhance reliability, scalability and resilience, helping clients strengthen their security posture and operational efficiency. What you’ll do Design, configure and deliver network and security solutions Configure, maintain and troubleshoot routers, switches, firewalls and load balancers Implement … enterprise networking (LAN/WAN, routing, IP, DNS) Strong background in firewall administration (Check Point, Fortinet, Palo Alto, Cisco ASA/FTD) Hands-on experience troubleshooting complex multi-site network issues Professional certifications such as CCNA/CCNP, CCSA or PCNSA preferred Familiarity with ITIL frameworks and multi-client service environments Excellent communication and problem-solving skills Experience with More ❯

IT Security Engineer Feltham (Hybrid) £45,000 - £55,000 Base + Benefits Overview The IT Security Engineer is responsible for designing, implementing, and maintaining the security controls that protect the organization’s systems, networks, and data. This role works closely with IT, DevOps, and business teams to ensure that security is embedded throughout technology operations and … architecture. The IT Security Engineer is key to detecting, preventing, and responding to cybersecurity threats in a proactive and efficient manner. Key Responsibilities: Security Architecture & Implementation Design, deploy, and manage security solutions including firewalls, intrusion detection/prevention systems, endpoint protection, SIEM, and identity management platforms. Implement secure network architecture and enforce segmentation and least-privilege … access controls. Support secure cloud environments across Azure, AWS, or GCP (e.g., IAM, security groups, encryption, KMS). Threat Detection & Incident Response Monitor and analyze security alerts and network traffic for threats or suspicious activity. Lead or support incident response activities: investigation, containment, eradication, recovery, and reporting. Conduct root cause analysis and implement security hardening improvements. 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 ❯

relationships Expertise in both remote and on-site support Technical skills should include: Cisco Expertise: Strong knowledge of Cisco routers and switches Networking: TCP/IP connectivity and IT security Firewall: Configuration, management, and reporting (Fortinet) Windows Server: 2016, 2019, and 2022 Communication: High-level written and verbal skills Virtualisation: Windows Hyper-V Identity & Access: Active Directory/Azure …/11, Apple devices, Intune, Apple and Meraki MDM Backup & DR: Backup technologies and disaster recovery strategies SQL: Microsoft SQL Server experience advantageous What our client is looking for Network Design and Implementation Architecting scalable networking solutions based on business requirements Working with senior management to define internal policies and procedures Creating network topologies and diagrams Recommending network hardware and software to improve service and profitability Implementing network technologies and system upgrades Support, Network Maintenance & Troubleshooting Monitoring network performance and identifying potential issues Conducting analysis and resolving complex network problems Ensuring systems are monitored and backed up at agreed intervals Performing routine maintenance checks Providing or organising on-site end-user support Escalating More ❯

Job Details: Network Security Location:Warwick/Wokingham(Hybrid) Technical background with experience in solution delivery including SDLC, security tools and technologies, and Agile framework. Provide training and guidance to staff members on network security best practices Maintain accurate documentation of network security configurations, processes, and procedures. Minimum 5 years’ Experience as a … Security consultant, Security Architect or equivalent. Added Advantage - Hold any Certification like Palo Alto PCNSA/PCNSE, F5, CompTIA, Zscaler, Azure, AWS, CISSP, CCSP, ISSAP, ITIL etc. More ❯

Network Architect needed in Oxford, HYBRID Paying £650 per ref372263 Full time hours on a temporarybasis OUTSIDE IR35 About the Role: We are seeking a highly skilled and experienced Network Architect to lead the design and implementation of robust, secure, and scalable network solutions. This is a strategic role that will shape the future of our network infrastructure, with a strong focus on Cisco and Fortinet technologies, SD-WAN, and public sector procurement. Key Responsibilities: Network Design & Architecture Lead the development of complex network solutions, ensuring they meet both business and technical requirements. Provide expert review and oversight of third party network designs, particularly those involving Cisco and Fortinet. SD WAN Solutions Design … in evaluating and validating third party SD WAN proposals and implementations. Cisco Infrastructure Deliver and support Cisco Catalyst Centre deployments. Offer architectural guidance and assurance for third party Cisco network designs. Network Security Apply deep expertise in network security protocols and firewall configurations, with a focus on Fortinet and Cisco products. Ensure security best More ❯

Network Architect needed in Oxford, HYBRID Paying £650 per ref372263 Full time hours on a temporary basis OUTSIDE IR35 About the Role: We are seeking a highly skilled and experienced Network Architect to lead the design and implementation of robust, secure, and scalable network solutions. This is a strategic role that will shape the future of our … network infrastructure, with a strong focus on Cisco and Fortinet technologies, SD-WAN, and public sector procurement. Key Responsibilities: Network Design & Architecture Lead the development of complex network solutions, ensuring they meet both business and technical requirements. Provide expert review and oversight of third-party network designs, particularly those involving Cisco and Fortinet. SD-WAN Solutions … in evaluating and validating third-party SD-WAN proposals and implementations. Cisco Infrastructure Deliver and support Cisco Catalyst Centre deployments. Offer architectural guidance and assurance for third-party Cisco network designs. Network Security Apply deep expertise in network security protocols and firewall configurations, with a focus on Fortinet and Cisco products. Ensure security best More ❯

Job Title: SOC Analyst Location: Reading, United Kingdom (Hybrid- 1-2 days/week) Job Type: Contract Inside IR35 Client: Wipro Job Overview: As an OT Senior Cyber Security Analyst, you will be responsible for maintaining SecOps (Security Operations) solutions, controls and processes across the organisation. You will be mentoring and assisting with leading the SOC team to … ability to collaborate effectively with cross-functional teams. The ideal candidate will possess strong communication and incident management skills and will be committed to ensuring the highest level of security, compliance, and user experience. Responsibilities: Investigate security alerts from our SIEM tool and 3rd party MSSPs, and to provide appropriate incident response actions. Liaise with technology and business … stakeholders in relation to cyber security issues/incidents providing clear descriptions and actions. Support the Cyber Security Operations Lead for security and privacy incidents, triaging events and performing root cause analysis to understand how incidents arise. Acting as the key contact and escalation point for the SOC and Thames Water Digital teams. Supporting out-of-hours More ❯

Network Engineer £60,000 - £75,000+ benefits - hybrid working The Network Engineer/Network Security Engineer will join a team supporting high profile network infrastructure, responsible for the design, implementation and support of enterprise scale networks ensuring optimum network up-time and performance. The role joins a project-based Network Operations team supporting … are in Hampshire with hybrid working options - commutable from Southampton, Bournemouth, Basingstoke, Portsmouth areas Required skills and experience: 5+ years of proven experience supporting and configuring Cisco/Juniper network devices, Firewalls, Switches, Load Balancers Strong experience of infrastructure Network Design, WAN/LAN, working with customers and senior stakeholders Commercial experience of Network Security, Palo … Alto or similar Enterprise level Network environment experience, ideally global scale either internally or external customers Relevant certifications; Cisco, Palo Alto, Juniper, etc All candidates must be UK based and willing to travel to their offices as required Please apply to this advert to discuss the details Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in More ❯

IT Security Operations Manager City of London | Financial Services £Highly competitive plus bonus plus banking bens IT Security Operations Manager opportunity has arisen for an experienced and ambitious individual to take a leading role in protecting a complex, global technology estate within a highly regulated financial services environment. In this role, you will be responsible for: Managing and … enhancing IT security controls, frameworks and processes Overseeing BAU security operations, ensuring services are delivered efficiently and in line with SLAs Leading activity across Threat & Vulnerability Management (TVM), PAM, IAM, DLP, Network Security and Penetration Testing Managing outsourced security providers and holding them to account on performance Acting as SME for security improvement projects … aligned to ISO27001/NIST Managing security incidents, including forensic investigations and post-incident reviews Supporting governance, due diligence and audit activity across the security function Key Requirements: Significant experience leading IT security operations within complex, enterprise environments Industry-recognised certifications such as CISSP, TOGAF, CCSP, GCIH or equivalent Strong experience securing Microsoft cloud environments (Azure) - design More ❯

Job Tittle: Proxy Network Engineer Location: Chester, Bromley and Camberley (3 days a week on-site) Contract Length: 12 Months Working Hours : Monday to Friday, standard office hours with out of hours requirement Rate: Circa £600/Day Status: Inside IR35 Role Overview: The role is within the EMEA Network Engineering Proxy Services Team, working on complex technical … designs that enable business strategies in accordance with architectural governance, standards and policies. This job facilitates deployment of technical solutions by designing, engineering and implementing configuration across EMEA network infrastructure. Skills Proven experience as a Network Security Engineer. Proven experience of working with Bluecoat Proxy SG (Symantec) and/or McAfee Web Gateway (Trellix SkyHigh) Knowledge and … experience of working with SSL traffic Decryption and Inspection either On-Proxy or 3rd Party (F5 SSLO, Radware Alteon) Ability to base build and configure Network Proxies to given standards Knowledge and experience of working with and creating automation scripts Strong DMZ architecture and engineering Experience In-depth knowledge of network protocols, security principles, and best practices. More ❯

Are you an experienced Network Engineer ready to join a leading provider of business support services across Government, Defence and Police, delivering robust digital platforms, innovative infrastructure and technical excellence. As a Network Engineer you will be responsible for the implementation, management and optimisation of network infrastructure supporting Defence Services. You will work with firewalls, switches, routers … IPS/IDS, cloud networking, and security protocols to make sure of high availability, performance and resilience. We can offer great career progression opportunities, flexible benefits to suit your needs, and a supportive environment focused on your professional development. This hybrid role will require a minimum onsite presence of 2 days a week in Gosport and the successful candidate … will need to complete SC and DV clearance checks before starting in the role with us. What youll be doing: Deploying and maintaining network architecture. Configuring and managing firewalls and network security systems. Monitoring and optimising network performance. Proactively identify and resolve issues and providing technical support, incident response and root-cause analysis for network More ❯

IT Network ManagerNorth London£45,000 - £50,000 per year DOE + Holiday + Pension Excellent opportunity for an IT professional looking for a role offering autonomy, technical responsibility, and the opportunity to shape and manage the IT network infrastructure of a busy school.This organisation has a strong reputation for supporting students and staff alike. It is well … established, stable, and prides itself on a collaborative and inclusive culture.This role is a key appointment within the school, giving you the chance to take ownership of network design, management, and security, as well as lead a small IT team. You will be the senior technical point of contact and influence the IT infrastructure and systems strategy.The ideal … candidate will have proven experience in network management, team leadership, and network security. You will have a strong background in IT infrastructure, with knowledge of Windows Server, Active Directory, Microsoft 365, network protocols (TCP/IP, DHCP, DNS), and experience managing technical projects.This is a fantastic opportunity to take on a varied and technically interesting role, with More ❯

anywhere in UK Travel: Up to 2 days per week 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 Principal Consultant, 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 Be involved customer engagements, providing advisory services, architecture guidance, roadmap planning, and solution governance Define and document high and low-level solution designs, technical requirements, and delivery frameworks Engage in strategic customer meetings to translate business needs into technical strategy Collaborate with vendors and partners (notably More ❯

This hands-on, senior role requires the design, implementation and administration of enterprise network, security and infrastructure solutions, as well as providing expert third-line support and guidance to colleagues and key stakeholders. Working as part of a small, collaborative team, the role will lead projects and support continuous service improvement. Client Details The hiring organisation is a … VPN routers, certificate servers, and site-to-site/remote VPNs * Integration/admin of RADIUS/AAA across devices * Own ASA firewall (DMZ), Cisco Firepower/FMC (edge security), user policies, outbound/inbound/NAT rules, TALOS * Administer DUO MFA for VPN/admin access * Enforce wired/wireless 802.1X/MAB standards and Identity Services Engine … Cisco video conferencing, Miracast, Extron controls, media conversion, wall screens, and streaming feeds * Maintain high-quality and current documentation * Participate in project management and continuous service improvement * Adhere to security, data protection, and evidence handling policies Profile Network/Security * CCNP-level knowledge (switching, routing, ISE, VPN/GetVPN) * Strong Cisco switching (C9200/C9300/Nexus More ❯

FX and cross-border payments are often complex and expensive, especially when operating in emerging markets. Crown Agents Bank (CAB) wraps its deep and trusted relationships and strength of network around innovative digital capabilities, and cross-border transaction banking solutions to enable fintech, corporates, governments, development organisations and banks to move money to, from, and across often hard-to … skilled and experienced Senior Cloud Architect to join our team. The successful candidate will architect and implement robust AWS-based systems that meet high standards for scalability, performance, and security for our Payments and Foreign Exchange (FX) business. This position requires a hands-on cloud architect with extensive AWS expertise, capable of promoting best practices in infrastructure-as-code … security, and DevSecOps within a fast-paced financial technology environment, ensuring alignment with business goals and driving the innovation needed to maintain our competitive edge. Role Responsibilities: As a senior member of the Engineering and Architecture team, you will collaborate with development teams to design and implement cloud-native application architectures on AWS that are highly available, scalable, and More ❯

within an organisation undergoing significant digital transformation, with ambitious growth and acquisition plans driving demand for scalable, standardised and efficient business applications. This role is ideal for a proactive security professional with strong technical expertise across application, network and infrastructure security. You will play a key part in implementing security controls, mitigating risk and contributing to the … continuous improvement of the company's overall security posture. Responsibilities: * Monitor security tools including SIEM (QRadar) and respond to threat detection alerts * Triage, analyse and prioritise security (via ServiceNow) * Investigate root causes of security issues and design effective remediation solutions * Oversee Patch Management * Conduct vulnerability scans with Qualys, analyse results and prioritise remediation * Document SecOps processes … and create knowledge base articles in line with best practices * Automate security tasks and toolchains using scripting (PowerShell, Batch, etc.) * Collaborate with external SOC teams * Prepare post-incident reports and root cause analyses * Manage end-user device (EUD) security via MS Intune, Sophos and NinjaOne * Schedule and assess vulnerability scans on critical infrastructure * Maintain patching compliance for OS 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 ❯