1 to 25 of 62 Network Security Jobs in London

Senior IT Information Security Officer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
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 … 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 ...

CyberSecurity Operations Engineer

Hiring Organisation
RedTech Recruitment
Location
East London, London, United Kingdom
Employment Type
Professional qualifications, Work From Home
Salary
£50,000
Engineers role working for an industry-leading cybersecurity company based in London, providing the opportunity to work remotely. Already well-established within the cyber-security sector, they have experienced rapid sales in 2023 & 2024, which has opened up several career opportunities for cybersecurity professionals. This role is working within … from a top-ranked University You achieved at least AAA at A Level or equivalent UCAS points Strong knowledge within cybersecurity Good knowledge of network security Any experience in SOC beneficial Brilliant communication skills this role is going to involve interacting with both internal colleagues and external clients ...

Network Infrastructure Specialist

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
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. … 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. ...

Senior IT Information Security Officer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum 90000
will be required to undergo vigorous onboarding checks - UK Only. Sponsorship NOT available. The main purpose of this job mainly focusses on information security, cybersecurity, and data security from a Greenfield perspective. We are on a journey to secure Cyber Essentials plus and ISO27001 certification. You MUST have … experience working with banking/financial services regulations, FCA, PRA etc. Liaison with the Head Office, Security Operation Centre or Data Centre for implementing security policies, procedures, projects and security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure ...

API Security Architect

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
looking for a senior (GCB3-equivalent) Security Solution Designer/Enterprise Architect with deep network & segmentation expertise , specifically aligned to WAAP/API security in large, regulated environments. 1. Core Mandatory Technical Skills (Non-negotiable) Network Security & Segmentation (Primary Focus) Deep, hands-on design experience … with: Network security architectures Network segmentation (macro & micro) Network Access Control Proven experience across all environments : Traditional data centres (physical & virtual firewalls) Private cloud (SDN-based segmentation) Public cloud (AWS/Azure/GCP native controls) Container & Kubernetes environments Strong understanding of: MPLS/EVPN Zero ...

Hybrid Cloud & Network Security Architect

Hiring Organisation
Vanquish Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
across London & Manchester environments Working Hours: 9:0017:00, Monday to Friday Engagement Type: Contract Role Overview We are seeking an experienced Hybrid Cloud & Network Security Architect to lead the design and definition of a secure, scalable hybrid cloud edge and DMZ hosting architecture. The role is architecture … outcome-focused, responsible for defining target state designs, security controls, governance alignment, and delivery planning to enable future migration phases. This is a hands-on architecture and design role, not an implementation-only position. Key Objectives & Outcomes Business Objectives (what outcomes are you looking to achieve through this service ...

Network, Security and Voice Operations Team Lead/Manager

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £125,000 per annum
Network, Security and Voice Operations Team Lead - Trader Voice/IPC - LAN/WAN - OSPF - BGP - MPLS - Meraki - ACI - SD-WAN Permanent - up to £125,000 + benefits, bonus *** Hybrid, 3 days office Global financial services client is seeking a Network, Security and Voice Operations Team … Lead/Manager responsible for managing and maintaining all network and voice-related technologies in EMEA as well as internationally. This is a hands-on technical role, as well as managing a team of Network and Voice Engineers to support the EMEA Network and Voice infrastructure. ...

Senior DevOps / Platform Engineer (GCVE Specialist)

Hiring Organisation
International Business Solutions Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Contract
Develop, maintain, and optimize end-to-end CI/CD pipelines using GitLab CI/CD, enabling rapid and reliable application and infrastructure delivery. Security and Compliance (DevSecOps): Embed security throughout the development lifecycle, implementing continuous security testing, vulnerability scanning, and compliance checks. Define and manage … policies, network security groups, and access controls within both GCP and GCVE environments. Ensure all infrastructure changes adhere to internal policies and industry regulations. Collaboration and Best Practices: Collaborate closely with development, security, and operations teams to foster a culture of shared responsibility and continuous improvement. Champion ...

Azure DevOps Engineer

Hiring Organisation
McCabe & Barton
Location
Central London, London, United Kingdom
Employment Type
Permanent
London | Hybrid 3 days | Permanent | Investment management client Role Overview: Manage and support Azure cloud platform operations with a focus on Infrastructure as Code, network operations, and identity management whilst ensuring platform reliability, security, and performance across Azure environments. Key Characteristics: Azure Platform Operations - Extensive hands-on experience … modules, and automating routine operational tasks across environments hosted in Azure. Networking & SASE Architecture - Solid understanding of Azure networking including Virtual Networks (VNets), subnets, Network Security Groups (NSGs), Application Security Groups, Azure Firewall, route tables, VNet peering, Azure VPN Gateway, ExpressRoute, and Azure Bastion. Knowledge of SASE ...

Senior Network Engineer

Hiring Organisation
Mane Contract Services
Location
City of London, London, United Kingdom
Responsibilities Design, deploy, and maintain LAN, WAN, WLAN, and VPN infrastructure Monitor network performance and troubleshoot issues to ensure high availability Configure and manage routers, switches, firewalls, and load balancers Implement and maintain network security measures, including firewalls, IDS/IPS, and access controls Perform network upgrades, patches, and capacity planning Document network configurations, procedures, and diagrams Collaborate with systems, security, and cloud teams to support IT initiatives Provide tier 2/3 network support and participate in on-call rotations as required Ensure compliance with company policies and industry best practices ...

CyberSecurity Operations Engineer - Graduate Cons.

Hiring Organisation
RedTech Recruitment
Location
London, UK
Employment Type
Full-time
Engineers role working for an industry-leading cybersecurity company based in London, providing the opportunity to work remotely. Already well-established within the cyber-security sector, they have experienced rapid sales inrecent years, which has opened up several career opportunities for cybersecurity professionals. This role is working within … fast-paced, dynamic and varied Ops team delivering an excellent service to clients, and is ideally suited to a cyber-security professional looking for a fast-paced scale-up environment, where hard work is rewarded by fast career progression and an exciting career trajectory. Location: Fully remote options available ...

Network Security Engineer - Zscaler (ZIA/ZPA)

Hiring Organisation
ECS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £575 per day
Contract Network Security Engineer - Zscaler (ZIA/ZPA) Duration: 6 Months Rate: £575 per day ECS Resource Group are working with a global consultancy on a large-scale infrastructure project and are looking for an experienced Zscaler Engineer to join the team. Role Overview: You'll be responsible … within a complex global network. Key Skills: Strong experience with Zscaler Internet Access (ZIA) and/or Zscaler Private Access (ZPA) Solid background in network security, firewalling, and proxy technologies Experience integrating Zscaler with identity and access solutions (e.g. Azure AD, Okta) Scripting or automation knowledge advantageous (Python ...

Network Security Engineer - Zscaler (ZIA/ZPA)

Hiring Organisation
ECS Resource Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £575/day
Contract Network Security Engineer - Zscaler (ZIA/ZPA) Duration: 6 Months Rate: £575 per day ECS Resource Group are working with a global consultancy on a large-scale infrastructure project and are looking for an experienced Zscaler Engineer to join the team. Role Overview: You'll be responsible … within a complex global network. Key Skills: Strong experience with Zscaler Internet Access (ZIA) and/or Zscaler Private Access (ZPA) Solid background in network security, firewalling, and proxy technologies Experience integrating Zscaler with identity and access solutions (e.g. Azure AD, Okta) Scripting or automation knowledge advantageous (Python ...

Prinicpal Consultant - Zscaler

Hiring Organisation
COMPUTACENTER (UK) LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent
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 … 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 ...

Security Engineer

Hiring Organisation
Fruition Group
Location
West London, London, United Kingdom
Employment Type
Contract
Title: Senior Security Engineer Location: UK Remote Salary: Competitive daily rate outside IR35 Why Apply? This opportunity suits an experienced Security Engineer who enjoys influencing platform and solution design at an early stage. Working within a large-scale technology environment, this role focuses on threat modelling, architectural security assurance and guiding teams towards secure, compliant outcomes. Security Engineer Responsibilities: Threat model platform and solution designs to identify security risks and recommend appropriate mitigations. Review and approve network access requests, ensuring least-privilege and secure-by-design principles are applied. Assess project, platform and architectural ...

Senior Cloud Security Engineer

Hiring Organisation
Cint
Location
London, England, United Kingdom
behaviours. We are feeding the world’s curiosity! Job Description Our vision for the role We are searching for an experienced Senior Cloud Infrastructure Security Engineer with an unquenchable thirst for automation and a passion for DevSecOps methodology. You'll be working with a team of other engineers … everything we deploy via Grafana, Prometheus, Graphite and ELK stacks. You will be someone that shares our values and ambitions and can bring security best practices and specific cloud security expertise to the party. You will additionally be the kind of person that is energised by complex challenges ...

Network and Security Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
Network and Security Engineer - Cisco ACI - ISE - Checkpoint, ASA, Palo Alto - Meraki - BGP - OSPF - MPLS Permanent - up to £100,000 + 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 ...

Security Architect - Government

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day Outside IR35
Contract Security Architect - Gov experience required Location: London Hybrid Day rate: (Apply online only) outside Contract duration - 6 months The candidate Must possess a strong background in Security Architecture within a government environment. The Client is only accepting CV's with this requirement. The following experience are required … solid background working in government organisations and public sector Security Architect roles. Experience in implementing and managing security monitoring solutions, as well as developing custom alerts to detect anomalies and potential threats across services. Proficiency in designing and managing security policies to enable conditional access ...

Associate, Platform Engineering, Network

Hiring Organisation
European Bank for Reconstruction and Development
Location
London, UK
accountability across the development lifecycle. Secure First : The Associate actively promotes and ensures engineering activities are fully aligned with EBRD Cyber and IT Security policies and procedures, and works to embed a DevSecOps culture and working practices. Working closely with IT security, engineering peers and architecture, the role … will ensure that key security controls, toolchain automation, and risk/threat analysis is carried out at every stage of the work done by the team. Drives User Experience : The Associate ensures that services which are being developed and supported are based on user needs, which are captured ...

IT Security Auditor

Hiring Organisation
Robert Half
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Robert Half Technology are assisting a leading IT service provider to recruit multiple experienced, hands-on Security IT Auditors on a contract basis. Remote working available, with the first 2 weeks on-site in the Netherlands. Role The Security IT Auditor will be embedded in small, technical teams … directly execute critical security audits of network and infrastructure systems, focusing on practical, technical evaluation and remediation of real-world risks. Key responsibilities include: Lead and perform end-to-end cyber security audits across diverse network architectures, including on-premises data centres and public cloud environments. ...

Cyber Security Analyst

Hiring Organisation
MLM Search LTD
Location
City of London, Greater London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
seeking a Cyber Security Analyst to operate as a first-line IT security function, responsible for implementing, operating, and monitoring technical security controls across IT and operational environments. The role is hands-on and delivery-focused, covering vulnerability management, incident response, identity and access controls, security tooling, and technical risk mitigation, while working in alignment with governance and risk requirements. Key Responsibilitie s Security Controls & Architecture Vulnerability & Threat Management Incident Response Identity, Access & Data Security Risk & Compliance Support Security Training and awareness Required Technical Experience: Proven experience in a hands ...

WINTEL Systems Administrator (Platform Manager)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 490 Daily
Manager) Location: London (On-Site) Type: Contractor Start Date: Jan 2026 End Date: TBC Must be eligible and willing to go through high level security clearance Our client, a reputable organisation supporting local government, is hiring for a dedicated WINTEL Systems Administrator (Platform Manager) to join a busy, professional … team. This is an exciting opportunity to contribute to a critical live service network, supporting a range of hosted applications and ensuring seamless operations. What you'll be doing: Maintain and support a Windows-based Live Service Network, including hosted applications. Provide Level 3 support and troubleshooting ...

IT Security Auditor

Hiring Organisation
Robert Half
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £700 per day
Robert Half are working with our sister firm Protiviti, to recruit for multiple experienced, hands-on Security IT Auditors to work for a major technology provider. You'll be embedded in small, technical teams to directly execute critical security audits of network and infrastructure systems, focusing … practical, technical evaluation and remediation of real-world risks. Role: Lead and perform end-to-end cyber security audits across diverse network architectures, including both on-premises data centers and public cloud environments. Evaluate technical security controls (such as firewalls, IDS/IPS, security baselines, access ...

L3 Network Engineer, Assoc Manager

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Network Engineer, Assoc Manager UK (London) Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Salary: Competitive salary and package (Depending on level of experience) . Accenture are partnering with scaled UK AI compute pioneers to lead the charge … standard unsociable shift hours that will be part of that rota.? Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days or more spent outside ...

L2 Ops Centre Network Engineer

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Centre Network Engineer, Assoc Manager/Specialist UK (London) Salary: Competitive salary and package (Depending on level of experience) Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Accenture are partnering with scaled UK AI compute pioneers to lead … standard unsociable shift hours that will be part of that rota.? Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days or more spent outside ...