1 to 25 of 142 Network Security Jobs in the South East

Security Architect – DV ClearedLocation: Farnborough, Hampshire, UKEmployment Type: Permanent, Full-TimeSecurity Clearance: Developed Vetting (DV) – EssentialAbout the RoleThe Security Architect designs and implements comprehensive security architectures protecting defence and aerospace IT environments. You will develop enterprise security strategies, lead security programme implementations, architect integrated defence … depth solutions, and ensure compliance with stringent MOD security requirements. This role demands exceptional expertise in security architecture, risk management and defence security standards. Key ResponsibilitiesSecurity Strategy & ArchitectureDesign holistic security architectures incorporating people, process and technology securityDevelop enterprise-wide security strategies aligned with Defence Security ...

Security Architect - DV Cleared Location: Farnborough, Hampshire, UK Employment Type: Permanent, Full-Time Security Clearance: Developed Vetting (DV) - Essential About the Role The Security Architect designs and implements comprehensive security architectures protecting defence and aerospace IT environments. You will develop enterprise security strategies, lead security programme implementations, architect integrated defence-in-depth solutions, and ensure compliance with stringent MOD security requirements. This role demands exceptional expertise in security architecture, risk management and defence security standards. Key Responsibilities Security Strategy & Architecture Design holistic security architectures incorporating people, process and technology ...

seeking an experienced Network/Wireless Engineer (L3) to join our IT infrastructure team. In this role, you will be responsible for analyzing, troubleshooting, and resolving network hardware and software connectivity issues. You will play a critical part in supporting network infrastructure, maintaining wireless technologies, optimizing performance … providing network security solutions. The ideal candidate will have hands-on experience with network administration , wireless technologies , and routing/switching protocols . Certifications: CCNA , CCNP , CCIE (preferred). Experience with SDN (Software-Defined Networking), Wi-Fi 6 , and network automation is a plus. Desired Skills ...

protect American Express information systems, customer data, colleague experiences, and digital assets. Cybersecurity teams help identify, reduce, monitor, and respond to technology and information security risks. In this role, you may support secure architecture, identity and access management, endpoint protection, application security, security monitoring, cloud security … workflows while collaborating with cybersecurity engineers, product partners, software development teams, operations teams, and business stakeholders. ResponsibilitiesResponsibilities & What Type of Work to ExpectSupport secure network, endpoint, identity, access management, application security, and cloud security activities under guidance from experienced engineers. Assist with security documentation, assessment findings ...

protect American Express information systems, customer data, colleague experiences, and digital assets. Cybersecurity teams help identify, reduce, monitor, and respond to technology and information security risks. In this role, you may support secure architecture, identity and access management, endpoint protection, application security, security monitoring, cloud security … workflows while collaborating with cybersecurity engineers, product partners, software development teams, operations teams, and business stakeholders. ResponsibilitiesResponsibilities & What Type of Work to ExpectSupport secure network, endpoint, identity, access management, application security, and cloud security activities under guidance from experienced engineers. Assist with security documentation, assessment findings ...

developing superior products and meeting high customer expectations. We view our winning culture as a competitive advantage that powers our growth. We're seeking Security & Network Engineer who can architect and operationalise a secure, compliant, and agile network and infrastructure backbone. You'll own the design … governance of our network, security policies and infrastructure architecture across hybrid cloud and on-premises environments. More than a technician, you're a strategist: someone who shapes policy, educates stakeholders, and mentors teams to embed security thinking into every decision—without strangling velocity. Reporting to the Head ...

Lead IT Network Administrator, Network, Voice, AV KBR is seeking a Lead IT Network Administrator (Network, Voice & AV) to join our team supporting complex, mission critical IT infrastructure across enterprise and secure environments. This role is responsible for leading the administration, optimisation, and support of networking … voice, and audiovisual services, ensuring high levels of performance, security, and availability across multiple sites. The successful candidate will bring strong expertise in Cisco networking technologies, network security, cloud connectivity, and unified communications, while serving as a key technical escalation point for operational support and infrastructure projects. ...

Title: Lead IT Network Administrator, Network, Voice, AVKBR is seeking a Lead IT Network Administrator (Network, Voice & AV) to join our team supporting complex, mission critical IT infrastructure across enterprise and secure environments. This role is responsible for leading the administration, optimisation, and support of networking … voice, and audiovisual services, ensuring high levels of performance, security, and availability across multiple sites. The successful candidate will bring strong expertise in Cisco networking technologies, network security, cloud connectivity, and unified communications, while serving as a key technical escalation point for operational support and infrastructure projects. ...

neurodivergent candidates. We offer reasonable adjustments throughout the hiring process and are dedicated to creating a supportive, accessible environment for everyone. Managed Service Lead(Security) Location: Hampshire (onsite 5 days per week) Our client is looking for an experienced technical team lead responsible for the DMZ Managed Service. Accountable … gateway and guard operations, segmentation controls and compliance with security boundary requirements; experienced with multi domain routing, CDS/guard patterns and high assurance boundary architectures. This is a critical, site-based role responsible for ensuring the right skills are in place at the right time to meet client ...

Security Tester, Oracle Cloud Infrastructure – London, UK Up to £1,000 per day, depending on experience 12-month contract engagement London, hybrid working with 4 to 5 days per week onsite Active eDV clearance required ABOUT THE CLIENT Our client is a major technology and consulting organisation delivering … high-profile cloud transformation programme within a secure environment. They are looking for an experienced Security Tester to strengthen security assurance across Oracle Cloud Infrastructure, architecture, networks and access controls. THE BENEFITS Work on a complex, high-profile cloud programme Collaborate with experienced architecture, engineering and security ...

World Class Defence Organisation is currently looking to recruit a Network Engineer subcontractor on an initial 12 month contract. please note: Current DV Security Clearance is required. Rate: £68.75 per hour Location: Stevenage Hybrid/Remote working: Onsite 4 days per week, 1 day remote from home. … will be calculated at time and a quarter Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Network Engineer Job Description: DEx Networks are responsible for the management and support of networks across the UK estate, and some International locations (MCN). ...

Title: Senior Network Administrator KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value by combining engineering, technical and scientific expertise … technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver. The Senior Network Administrator is responsible for the administration, maintenance, security, and operational reliability of enterprise network infrastructure supporting KBR operations. The role provides advanced ...

Network Engineer Cisco/Arista/SD-WAN/Multi-Site European WAN Sunbury-on-Thames (Hybrid - 3 days on-site p/w) £50,000 - £60,000 + Benefits Are you a network specialist who wants genuine ownership rather than a ticket queue? This is a hands … Arista across multiple buildings, with a firewall replacement following close behind. A globally recognised company based in Sunbury-on-Thames is looking for a Network Engineer to join its MIS function. You'll own the day-to-day availability, performance and security of the network across ...

Title: Senior Network AdministratorKBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value by combining engineering, technical and scientific expertise with … long-term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver. KBR is looking for a Senior Network Administrator. The Senior Network Administrator is responsible for the administration, maintenance, security, and operational reliability of enterprise network infrastructure supporting KBR operations. ...

client is a global IT services company. Job Description: Technical Security Architect Hampshire (site-based) Our client is looking for an experienced Technical Security Architect to support a clients Joint Design Team security lead in the provision of technical security advice and guidance to the Joint … nature of the work and the customers we support, the successful candidate must be eligible to meet UK Government and contractual personnel security requirements, including the applicable residency requirements for the role, and have the right to work in the United Kingdom. Some roles may also be subject ...

client, a global technology services provider, is looking for an experienced Technical Security Architect to support a Joint Design Team security lead. You'll provide technical security advice and guidance to the Joint Design Team and relevant third parties on a critical Defence programme. This … senior role for a cyber security professional who designs and implements security architectures based on Zero Trust ("never trust, always verify"). You'll protect enterprise systems, applications, data and cloud environments through: strong identity and access controls least-privilege access continuous authentication micro-segmentation robust monitoring ...

insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges. Job SummaryWe are seeking for a Network Engineer to support the operation, reliability, and continuous improvement of its global enterprise and data centre network infrastructure.Based within the Network Operations … team at the UK HPC Hub, this role is responsible for supporting enterprise, data centre, cloud-connected, security, and SD-WAN environments. You will contribute to operational support, infrastructure projects, and technology lifecycle activities while helping improve the resilience, performance, and security of Viridien's global network.About ...

## Network EngineerApplyremote type: On-sitelocations: Haywards Heath, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: JR101435Viridien (www.viridiengroup.com) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity … insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges.# **Job Details**Viridien is seeking a **Network Engineer** to support the operation, reliability, and continuous improvement of its global enterprise and data centre network infrastructure.Based within the Network Operations ...

Cyber Security Manager – London, UK Up to £95,000 Depending on Experience Hybrid working, 2-3 days per week onsite in London Existing Active SC or DV clearance required About The Client Our client is a major organisation delivering cyber security and technology transformation programmes across some … most complex and sensitive environments. They work closely with Defence and Government customers, helping them strengthen security, manage cyber risk and deliver secure transformation. Due to continued growth, they are looking for an experienced Cyber Security Manager to join their team. The Benefits Work on high-impact Defence ...

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 ...

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Security Testing Consultant Penetration Tester Location: UK Wide (Occasional office work, with 25% International Travel) Who we are Join our client and youll be part … something bigger. As a valued member of our global colleague network, youll bring your unique skills and perspectives to help pioneer progress and protect what matters most. Youll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow shaping ...

Cyber Security Architect Remote | Outside IR35 | Telecoms Sector We're currently looking for an experienced Cyber Security Architect to join a leading organisation within the telecommunications sector on a fully remote, Outside IR35 contract. This is an exciting opportunity to play a key role in large-scale transformation … programmes spanning cloud, infrastructure, applications and network environments, including next-generation 4G/5G technologies . As a Cyber Security Architect, you will be responsible for ensuring security is embedded into the design and delivery of business-critical platforms and services. Working closely with architecture, engineering, cloud ...

Role As an Application Security Architect, you are a security expert and evangelist. You provide subject matter expertise and security guidance to product engineering teams and IT to design and build secure solutions, drive the implementation of security best practices, establish security architecture standards … patterns, and perform security architecture reviews. You will partner with other security leads to grow the security program, mentor junior security team members, measure adherence, suggest and implement changes, develop roadmaps, present to steering committees and engineering teams, and promote security awareness company wide. What ...

enjoy getting hands-on with cyber security, investigating threats and improving the protection of complex IT environments, this could be an opportunity worth exploring. Cyber Security Analyst Southampton | Hybrid - 3 days on-site | Up to £65,000 We're working with a UK rail freight and logistics business … looking for a Cyber Security Analyst to support its IT Systems Manager in protecting systems, networks and data across the organisation. This is an operational, technically focused role combining cyber security, network security and elements of systems administration. You'll work alongside infrastructure, applications and service ...

Developing the information security plans and policies for NSSLGlobal and Customers working with Security Management and Compliance functions to embed security management plans into operational practice Implementing protections and solutions to ensure and enforce the information security plans and policies Monitoring and collating information from monitoring … tools as well as third parties to provide an accurate view of the current security position of the organisation and customers including security events, ongoing risks and treatment plan Investigation and resolution of security incidents events logged by staff members, monitoring tools and security partners. Educating ...