1 to 25 of 58 Network Security Jobs in the South East

Cyber & Network Security Manager We are seeking an experienced Cyber & Network Security Manager to lead the delivery of all security operations, drive cyber incident response, and provide enterprise-wide oversight of network security. This is an operational leadership role at the centre … cyber defence function. You will be responsible for ensuring the effective operation of Security Operations Centre (SOC), acting as the senior escalation point for cyber security incidents, and providing strategic and operational leadership across network security services. Working closely with technology, infrastructure, risk, and business stakeholders ...

Network Security Operations Manager | Abingdon | £70,000pa – £72,000pa plus bonus & benefits | 1 day onsite per week: MARS has partnered a global consultancy to recruit a permanent Network Security Operations Manager to join a talented IT function. This strategic delivery partners work, spans both private … their clients. With an amazing company culture and values, this business really puts its staff at the forefront of what they do. This Network Security Operations Manager is a strategic operational role established to provide dedicated ownership and accountability for day-to-day cyber security and network ...

Network Security Operations Manager We are seeking an experienced and highly capable Cyber & Network Security Operations Manager to lead an internal security and network operations function. This is a pivotal leadership role responsible for overseeing Security Operations Centre (SOC) services, managing critical network infrastructure oversight, and driving the organisation's cyber security governance, risk, and compliance activities. The successful candidate will combine strong operational leadership with deep technical knowledge of network technologies and cyber security frameworks. You will lead internal security teams, manage strategic suppliers and service providers ...

Network Security Operations Manager We are seeking an experienced and highly capable Cyber & Network Security Operations Manager to lead an internal security and network operations function. This is a pivotal leadership role responsible for overseeing Security Operations Centre (SOC) services, managing critical network infrastructure oversight, and driving the organisation's cyber security governance, risk, and compliance activities. The successful candidate will combine strong operational leadership with deep technical knowledge of network technologies and cyber security frameworks. You will lead internal security teams, manage strategic suppliers and service providers ...

Role: Network and Security Engineer Location: Windsor Onsite: 5 days Salary: £50k - £60k Job purpose Our Client is seeking a skilled Network and Security Engineer with a focus on Cyber Security and Networking to join our IT team. The IT Department provides and supports … resilient and capable of supporting teaching, learning and operational delivery. This is a hands-on technical role responsible for securing and developing the Clients network infrastructure, working across our Arista switching and wireless environment. You will ensure the Clients network remains secure, resilient and high performing, while strengthening ...

Cleared Network Security Architect Location: Basingstoke, Hampshire (Full-time onsite) Contract: 12-Month Rolling Contract Rate: £700-£800 per day (Outside IR35) Clearance: Active UK MOD DV Clearance Required The Opportunity We are seeking an experienced MOD DV Cleared Network Security Architect to support a high … secure and resilient enterprise capabilities within a highly regulated environment. This is an excellent opportunity for an architect with a strong background across both network and infrastructure security domains , capable of translating security requirements into robust technical designs. The successful candidate will play a pivotal role ...

Network Security Architect Our client is urgently looking for an experienced Network Security Architect to join their team on a permanent basis. Please note, the role is on-site 5 days per week in Oxfordshire. There is flexible working hours and an earlier finish … Friday. Remote working may be granted on occasion. This is a global role with an initial focus around Network segmentation. You will improve standards across the business and lead technical projects and work closely with technical colleagues and vendors. The current tech stack includes but is not limited ...

Cisco Network Engineer – Firewall Remediation Project Location: London Contract: Inside IR35 Rate: £350–£380 per day Sector: Financial Services We are seeking an experienced Cisco Network Engineer to support a firewall rule review and remediation project within a professional financial services environment. This is a hands-on role … focused on reviewing, analysing and improving Cisco firewall rule sets in response to internal security and audit findings. You will work closely with IT Security, internal audit stakeholders and technology partners to ensure firewall policies are secure, well-documented and aligned with change management standards. This ...

Network Security Engineer (Eligible for SC Clearance) Competitive Salary + Annual Bonus + Private Healthcare + Pension + Progression + Gym Membership + Full Training London Are you an experienced Network Security Engineer looking to take ownership of network security across complex global systems … fantastic opportunity to join a well-established and growing engineering organisation, where you will play a key role in developing and implementing security strategies across both internal and customer environments. You will work closely with compliance and engineering teams to embed robust security practices into daily operations ...

Senior Network Security Engineer Near Epsom | Hybrid (2 days onsite) Permanent | On call + occasional OOH Why This Role? This is a busy, engineering led role within a well established financial services environment, ideal for someone who wants to own and evolve a modern network security estate, not just maintain it. You'll take a lead role across Palo Alto firewalls, core networking and security tooling, helping shape a more resilient, scalable and secure infrastructure. If you're currently in a BAU heavy role and you want more ownership, more engineering and real investment ...

user support, and maintaining existing infrastructure. Your responsibilities will include problem analysis, documentation, and ensuring configurations are up to the highest standards. Key Responsibilities Network Design & Implementation Architect scalable networking solutions based on individual business requirements Work with senior management to define Aegis policies and procedures Create network topologies and diagrams Recommend network hardware and software improvements to enhance service delivery and profitability Implement new network technologies and infrastructure upgrades Support, Maintenance & Troubleshooting Monitor network performance and identify potential issues Conduct problem analysis and investigations, diagnosing and resolving complex network problems Ensure ...

Network Security Architect - WAF We are currently recruiting for a Network Security Architect with strong WAF experience to join one of our Insurance clients on a 6-month contract. Inside IR35/Mostly remote working The Requirements 3-5 years' experience in cloud networking and security … Strong networking background within cloud environments (Azure, AWS, OCI), with a primary focus on Azure. Experience in deploying and enforcing Azure Policy to support network and security standards. Experience delivering large-scale, cyber security-focused change initiatives and programmes. Demonstrated ability to design and deliver cloud-based ...

Network EngineerWe are seeking an experienced Network Engineer to take ownership of the design, implementation, maintenance, and support of complex enterprise and customer networks. This is a hands-on technical role requiring strong expertise across routing, switching, firewalls, network security, and network operations. This role … located in Redhill, Surrey The successful candidate will act as a subject matter expert for network architecture and support, working closely with engineering, IT, and operational teams to ensure the availability, security, and performance of business-critical networks. You will also play a key role in troubleshooting complex ...

Network Engineer We are seeking an experienced Network Engineer to take ownership of the design, implementation, maintenance, and support of complex enterprise and customer networks. This is a hands-on technical role requiring strong expertise across routing, switching, firewalls, network security, and network operations. This … role is located in Redhill, Surrey The successful candidate will act as a subject matter expert for network architecture and support, working closely with engineering, IT, and operational teams to ensure the availability, security, and performance of business-critical networks. You will also play a key role ...

Security Manager We are looking for an experienced IT Security Manager to lead and strengthen the organisation’s information security capability. This is a key role responsible for protecting systems, data, infrastructure, and users against evolving cyber threats while ensuring security controls remain practical, effective … aligned with business needs. You will oversee security operations, risk management, governance, incident response, and security awareness activities. Working closely with IT, senior stakeholders, third-party suppliers, and wider business teams, you will help maintain a secure technology environment and support ongoing compliance with relevant security standards ...

Network Security Operations Manager We are seeking an experienced and highly capable Cyber & Network Security Operations Manager to lead an internal security and network operations function. This is a pivotal leadership role responsible for overseeing Security Operations Centre (SOC) services, managing critical network infrastructure oversight, and driving the organisation's cyber security gover click apply for full job details ...

Lead Network Engineer is required by a very prestigious, highly successful global organisation. PURPOSE OF THE JOB You will be accountable for the design and ownership, and continuous improvement of the organisation's network solutions, ensuring secure, resilient, and high-performing connectivity across 1,000 sites and corporate … environments. Responsible for leading the network engineering team, mentoring two network engineers, and managing the delivery and lifecycle of network technology and services. Vendor collaboration is a key part of this role as have partnered with various organisations to assist with the day-to-day operation ...

Network DNS Architect Location: Wokingham, UK Work Mode: Office based (5 days per week) Contract Type: Contract Duration: 6 months Rate: £510 per day (Inside IR35) We are seeking an experienced Network DNS Architect to design, implement, and manage enterprise-scale DNS infrastructure within a large, complex environment. … This role is ideal for a senior networking professional with deep expertise in DNS architecture, network design, and security, ideally with experience working in regulated or secure environments. You will take ownership of DNS strategy across on-premises, cloud, and hybrid infrastructures, ensuring high availability, resilience, and strong ...

Security Lead - DV Cleared Outside IR35 - £500 per day 3-4 Month Contract (Likely Extension) Maidenhead (Hybrid working) UK Public Sector We are seeking an experienced Supplier Security Lead to act as the accountable security authority for a complex Oracle ERP Managed Service within a major … Government environment. This is a senior, contractually-named security leadership role with day-to-day operational ownership of service security, ensuring compliance with UK Government security policy, NCSC frameworks, and client-specific security and assurance requirements. The role operates at the intersection of security governance ...

Security Architect - Manchester or London, UK Up to £80,000 DOE 3 days onsite hybrid working SC clearance required, and eligibility to obtain DV ABOUT THE CLIENT Our client is a well-established consultancy delivering complex Technology and Cyber Security programmes into the Defence and Security sector. … deep technical expertise with a collaborative, people focused culture. Due to continued growth across secure government projects, they are looking to appoint an experienced Security Architect to join their expanding team. THE BENEFITS Clear progression pathways and structured development Funded certifications and professional training Exposure to high profile national ...

high possibility for extension)Start Date: ImmediatelyDaily rate - £595 (inside IR35) Sponsorship is not available for this role We are hiring a Principal AWS Network Security Engineer to design and deliver secure, scalable cloud networking solutions. This role focuses on AWS network security architecture, hybrid connectivity … environments. Key Responsibilities: Design and implement secure AWS VPC architectures (multi-region, segmented)Build and manage Transit Gateway, Cloud WAN, and private networkingImplement AWS security services (GuardDuty, Security Hub, WAF, Shield)Design hybrid connectivity using VPN and Direct Connect with high availabilityIntegrate AWS logs and telemetry into SIEM ...

Network Engineer – 3-month contract – Outside of IR35 – Guildford/remote My Customer is seeking an experienced Network Engineer to join a growing Network team responsible for the configuration, implementation and support of a large-scale enterprise network estate. The successful Network Engineer will have … strong hands-on experience across Cisco networking, Fortinet/Fortigate security technologies and hybrid cloud networking (Azure and AWS), with the ability to support complex multi-site environments. Key skills required from the Network Engineer: Preven experience as a Network Engineer working in an enterprise network ...

Markets is looking for an experienced Senior Network & Security Engineer to join our Technology team. This role plays a key part in designing, building and supporting our global network infrastructure, ensuring high performance, resilience and security across on-premise and cloud environments. You will work across … operations, supporting critical trading platforms in a fast-paced, regulated environment. Key Responsibilities Design, implement and maintain CMC Markets’ global LAN, WAN and cloud network infrastructure Deliver network engineering and design for new initiatives, alongside ongoing BAU growth and optimisation Monitor network performance, capacity and availability, providing ...

Description: Cyber Security Engineer Reports to: Infrastructure Manager Location: Hybrid (remote/office-based) Role Overview The Cyber Security Engineer will help protect and improve security across a hybrid IT environment, spanning Microsoft Azure cloud services, on - prem VMware infrastructure, and the network estate (including Cisco … Meraki). The role is hands-on and operational, partnering with IT teams to implement security controls, support monitoring and incident response through Sophos MDR, and improve cyber resilience by supporting Disaster Recovery (DR) testing and Business Continuity (BC) readiness. Key Responsibilities Cloud Security (Azure) Implement and maintain ...

Principal Network Engineer - Cisco Network Engineer London (Hybrid – 60/40 split) Permanent | Competitive Salary + Benefits About the Opportunity We’re partnering with an innovative full-fibre broadband provider transforming connectivity across London. This fast-growing organisation is delivering next-generation FTTP (Fibre to the Premises) infrastructure … enabling ultra-fast, reliable connectivity for homes and businesses. They’re now looking for a Principal Network Engineer to play a pivotal role in shaping, scaling, and optimising a carrier-grade network in a high-performance, fast-paced environment. The Role As a Principal Network Engineer ...