26 to 50 of 99 Network Security Jobs in London

Senior Network Engineer

Hiring Organisation
Adecco
Location
London, UK
Employment Type
Full-time
Description Network Engineer Rate - £500 (A day) Duration - 6 Months (Initially) Location - SW London IR35 - Outside Role Overview We are looking for a Senior Network Engineer to support a network refresh and transformation programme within a university environment. This role is hands-on and will involve working … robust, high-performing wired and wireless services that meet the needs of students, faculty, and staff. Key Responsibilities Support the design and implementation of network infrastructure as part of the Cisco to Extreme Networks migration. Configure and deploy wired and wireless network solutions across campus environments. Work collaboratively ...

Network Automation Engineer

Hiring Organisation
Ashdown Group
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Network Automation Engineer City of London (Hybrid) | Permanent | Up to £80,000 + Bonus & Benefits Were working with a leading financial services organisation looking to hire a Network Automation Engineer to join their growing infrastructure team. This is a fantastic opportunity to play a key role in modernising … automating a large-scale, global enterprise network, working at the intersection of networking and DevOps. The Role Youll be responsible for driving network automation initiatives, improving efficiency, and supporting the design and delivery of scalable, resilient infrastructure across a complex global environment. Key Responsibilities Designing and implementing network ...

Zero Trust - Delivery Lead

Hiring Organisation
Tec Partners
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
months, Inside IR35 Rate: £700 p/day Assignment Rate We are seeking a Zero Trust Delivery Lead to join a major cyber security transformation programme. You will lead the design and delivery of an enterprise Zero Trust strategy while driving implementation across a complex, global, federated organisation. … clarity, this role requires both a strong Zero Trust/network security subject matter expert and a proven delivery lead capability. Experience in only one of these areas will not be sufficient for the scale and complexity of this programme. You will own the end-to-end Zero ...

Network Automation Engineer

Hiring Organisation
Ashdown Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
Network Automation Engineer City of London (Hybrid) | Permanent | Up to £80,000 + Bonus & Benefits We’re working with a leading financial services organisation looking to hire a Network Automation Engineer to join their growing infrastructure team. This is a fantastic opportunity to play a key role … modernising and automating a large-scale, global enterprise network, working at the intersection of networking and DevOps. The Role You’ll be responsible for driving network automation initiatives, improving efficiency, and supporting the design and delivery of scalable, resilient infrastructure across a complex global environment. Key Responsibilities Designing ...

Network Architect - Fortinet / Fortigate

Hiring Organisation
Oscar Associates (UK) Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Network Architect - Fortigate A highly experienced Network Architect is required to join a fast-paced environment, with a strong focus on Fortinet technologies and enterprise firewall operations. The ideal candidate will have hands-on experience across FortiGate, FortiManager, FortiAnalyzer, FortiAP, FortiSwitch, FortiSASE, and FortiConverter, with the ability … design, deploy, and support secure network solutions at scale. This role involves leading firewall migrations, security policy implementation, SD-WAN delivery, and network security improvements across complex multi-vendor environments. Strong experience with enterprise security design, troubleshooting, and documentation is essential, along with a proactive ...

Senior Network Engineer

Hiring Organisation
Nelly Works
Location
City of London, London, United Kingdom
where people are encouraged to solve complex challenges and drive meaningful impact. The IT team is expanding, and they are looking for a Senior Network Engineer who will take ownership of a robust, multi-site network landscape. This role offers the opportunity to influence global network design … enhance performance and resilience, and lead initiatives that strengthen security and connectivity across international operations. Key Responsibilities: Design, implement, and maintain the organisation’s global networking roadmap. Oversee day-to-day network operations ensuring reliability, scalability, and security. Act as the primary escalation point for complex network ...

Cyber Security Engineer

Hiring Organisation
JLA Resourcing Ltd
Location
Twickenham, London, United Kingdom
Employment Type
Contract
Contract Rate
£700-750 a day Inside IR35
Title: Cyber Security Engineer (DV Cleared) Location: West London (still confirming whether 4 or 5 days onsite) Rate: £700-750 a day Contract: Minimum 6 months IR35: Inside IR35 Clearance: Active DV clearance required The Opportunity We're supporting a search for DV Cleared Cyber Security Engineers … within a highly sensitive Defence environment. Working within a dedicated cyber engineering team, you'll play a key role in maintaining and enhancing the security posture of complex systems across multiple sites. The role combines security engineering, operational support and continuous improvement, ensuring systems remain secure while ...

Chief Network Architect

Hiring Organisation
CACI Limited
Location
West London, London, United Kingdom
Employment Type
Permanent
will be a trusted advisor, technical authority, and strategic partner to our clients. You will lead the design of complex, secure, and scalable network architectures, translating business requirements into robust technical solutions. This role combines technical leadership, solution architecture, consultancy, and pre-sales engagement, requiring a strong ability … level executives to technical engineering teams , translating complex technical and business requirements into high-level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long-term relationships that support account growth and customer satisfaction. Technical Leadership & Architecture ...

Security Architect (DevSecOps)

Hiring Organisation
Pontoon Solutions
Location
London Area, United Kingdom
Security Architect (DevSecOps) Retail Hybrid: 3 days onsite per week in London 6 months+ £750 - £800 per day In short: We require a strong, application-focused Security Architect with a keen background in development or at least the ability to assure a product’s architecture and have … engineers on the product whilst also facing off to more senior stakeholders in the business. In full: You will be responsible for augmenting the Security Architecture team with speciality skills and help scale our security presence across the wider technology and infrastructure teams. • Provide engineering and product teams ...

Cyber Security Consultant

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
established global technology and consulting organisation is looking to appoint a Security Consultant to join its growing Health & Public Sector practice. This role offers the opportunity to work on high-profile digital transformation and cyber security programmes across government, healthcare, defence and wider public sector environments. This position … would suit a security professional who enjoys working across complex enterprise environments, advising on secure architecture, risk mitigation and security strategy. The organisation offers strong career progression, exposure to cutting-edge technologies and the chance to work alongside highly experienced cyber security specialists. Whats on Offer Salary ...

Network and Security Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
Network and Security Engineer - Cisco ACI - ISE - Checkpoint, ASA, Palo Alto - Meraki - BGP - OSPF - MPLS Permanent - up to £110,000 + benefits, bonus *** Hybrid working, 3 days office Global financial services client is seeking a VP Level Network Security Engineer to join their team … permanent basis. The role is a combination of Project and BAU and is responsible for supporting the data network and all other aspects of networking including firewall and network infrastructure. The team is required to participate in an on-call rota to cover support and project delivery outside ...

Network Engineer, Zscaler

Hiring Organisation
ARC IT Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Network Engineer, Zscaler London Competitive + bonus + benefits We're seeking a highly motivated Network Engineer to join a financial services organisation operating in a secure, high-availability, enterprise environment. This role is ideal for a networking professional with a strong foundation in core infrastructure and hands … Zscaler as a key component of a Zero Trust/SASE strategy. You'll play a critical role in maintaining and enhancing a modern network architecture that supports a fast-paced, globally distributed business. Key Responsibilities: Support, configure, and maintain enterprise network infrastructure, including Routers, Switches, Firewalls, VPNs ...

SecOps Engineer

Hiring Organisation
Context
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
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 ...

GCP Cloud Security Engineer / GCP Security Expert

Hiring Organisation
Tec Partners
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
Cloud Security Engineer/GCP Security Expert Contract, 6 months initially (very likely extensions) Inside IR35 Remote (UK) £(Apply online only) per day We're working with a client on an exciting cloud-first transformation and are looking for a GCP Cloud Security Engineer to play … role in securing the migration of workloads into Google Cloud. This is an excellent opportunity to join a forward-thinking environment where security is central to cloud adoption. The Role You will be responsible for designing, implementing, and maintaining security controls across a growing GCP estate, ensuring applications ...

Security Engineer - DevSecOps

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800 per day
Security Engineer - DevSecOps Rate - £700 - £800 Inside IR35 total to umbrella Duration - 6 months initial with expected extensions Location - London (Three times a week on site) A leading global financial services organisation is looking for an experienced Security Engineer to help design, build and operate secure infrastructure … identity services across cloud and on-prem environments. This role sits within a high-performing Information Security team and plays a key part in strengthening the organisation's security posture. Role Overview: You'll lead on security engineering initiatives, own key security platforms, drive automation ...

Cyber Seurity Lead Financial Fintech London

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Cyber Security Lead London (City) | Financial FinTech £110,000 + package | Hybrid (WFH/Office blend) Overview You will need to be UK based living within a commutable distance from London We are seeking a Cyber Security Lead/Senior Security Engineer to take ownership … hands-on security of a high-performance trading environment within a regulated FinTech organisation. This is a critical role combining technical security operations with regulatory compliance, ensuring resilience across infrastructure, networks, and systems. Youll work closely with Engineering, DevOps, IT, and Infrastructure teams, playing a key role ...

Security Operations Analyst

Hiring Organisation
Anson Mccade
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Security Operations Analyst £75000 GBP Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Cyber Operations Analyst Location: London (hybrid) Salary: Up to £75,000 + on-call compensation We are seeking an accomplished Senior Cyber Operations Analyst to join a high-performing Blue Team operating … forefront of modern security operations. This is a technical role suited to an experienced analyst with strong engineering instincts, hands-on coding capabilities, and a deep understanding of incident response, detection engineering, and adversary tradecraft. This position includes approximately one week per month of on-call availability for high ...

Network Engineer

Hiring Organisation
ARC IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 78,000 Annual
Network Engineer Location : London (Hybrid Working) Salary: Circa £78k + bonus + benefits The Opportunity We're partnering with a highly regarded professional services organisation in London to hire an experienced Network Engineer into a key infrastructure role within their IT function. This is a hands-on engineering … position within a complex, enterprise-scale environment where you'll take ownership of both operational stability and ongoing network evolution. Key Responsibilities Take ownership of enterprise LAN/WAN infrastructure, ensuring stability, performance, and scalability across multiple sites Support, configure, and optimise Cisco Catalyst (9300) and Nexus switching environments ...

Cyber Solutions Architect

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
focus on Base Metals Order Execution Management Systems (OEMS). This role requires deep technical expertise, practical implementation capability, and the ability to embed security into complex, low-latency trading environments. Key Responsibilities Design and implement secure, scalable cyber solutions for digital platforms, including OEMS and associated trading infrastructure. … hands-on architect, contributing directly to solution design, engineering decisions, and security implementation. Develop and maintain security architecture patterns, reference models, and solution blueprints. Lead security design for Base Metals OEMS platforms, ensuring alignment with performance, resilience, and regulatory requirements. Perform threat modelling, security risk assessments ...

Threat Detection Engineer - Hybrid / Remote

Hiring Organisation
Additional Resources
Location
Westminster, City of Westminster, Greater London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
innovation and technical ownership. This role is not a traditional SOC position, you’ll focus on building high-impact detection capabilities , shaping how security protects sensitive genomic and AI-driven data at scale. This role offers hybrid/remote working options, a salary range … incident detection Collaborate with an MSP SOC to maintain and tune the detection catalogue Build automated reporting dashboards using Microsoft Sentinel workbooks Support security initiatives including ISO 27001 activities and KQL-based tasks Ensure monitoring coverage across cloud platforms, SaaS apps, and internal systems Contribute to documentation of processes ...

Threat Detection Engineer - Hybrid / Remote

Hiring Organisation
Additional Resources Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
innovation and technical ownership. This role is not a traditional SOC position, you’ll focus on building high-impact detection capabilities , shaping how security protects sensitive genomic and AI-driven data at scale. This role offers hybrid/remote working options, a salary range … incident detection Collaborate with an MSP SOC to maintain and tune the detection catalogue Build automated reporting dashboards using Microsoft Sentinel workbooks Support security initiatives including ISO 27001 activities and KQL-based tasks Ensure monitoring coverage across cloud platforms, SaaS apps, and internal systems Contribute to documentation of processes ...

Head of Azure Platform Security

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £180000/annum
have a current opportunity for a Head of Azure Platform Security on a permanent basis. The position will be based in London. For further information about this position please apply. Requirements - Hands-on Azure cloud security architecture and implementation - Defender for Cloud, Policy-as-Code, RBAC, PIM, private … endpoints, and secure landing zone design; AWS security experience also considered - Network security engineering: firewall policy design and lifecycle management, micro-segmentation, NSG/UDR/NVA architecture, hub-spoke topology, and perimeter defence for hybrid environments - WAF design, deployment, and operational tuning - Cloudflare, Azure Application Gateway ...

Senior Cyber Security Analyst

Hiring Organisation
Anson McCade
Location
London Area, United Kingdom
call compensation We are seeking an accomplished Senior Cyber Operations Analyst to join a high-performing Blue Team operating at the forefront of modern security operations. This is a technical role suited to an experienced analyst with strong engineering instincts, hands-on coding capabilities, and a deep understanding … caveated UK SC Clearance. Key Responsibilities Develop, maintain, and optimise detection content (primarily within Splunk SIEM) to identify threats across cloud, endpoint, and network environments. Collaborate across security functions to identify gaps in logging, alerting, and detection coverage aligned to business risk. Improve SecOps processes by recommending enhanced ...

Azure Platform Network Engineer

Hiring Organisation
FBI &TMT
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £680 per day
Azure Platform Network Engineer Location: City of London (Hybrid) Contract: 3-6 months Rate: £680 per day (Umbrella - Inside IR35) Overview We are seeking an experienced Azure Platform Network Engineer to support a high-profile programme within a complex enterprise environment. This role focuses on designing, implementing … secure AI and platform workloads. This is a hands-on engineering role , ideal for someone with deep expertise in Azure networking, private connectivity, and network security operating at enterprise scale. Key Responsibilities Design and implement Azure Virtual Network (VNet) architectures , including hub-and-spoke and VNet peering ...

Azure Platform Network Engineer

Hiring Organisation
Matchtech
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £680 per day
Azure Platform Network Engineer Location: City of London (Hybrid) Contract: 3-6 months Rate: £680 per day (Umbrella - Inside IR35) Overview We are seeking an experienced Azure Platform Network Engineer to support a high-profile programme within a complex enterprise environment. This role focuses on designing, implementing … secure AI and platform workloads. This is a hands-on engineering role , ideal for someone with deep expertise in Azure networking, private connectivity, and network security operating at enterprise scale. Key Responsibilities Design and implement Azure Virtual Network (VNet) architectures , including hub-and-spoke and VNet peering ...