176 to 200 of 341 Network Security Jobs in London

Assistant Vice President - Technology (Network Engineer)

Location
Greater London, England, United Kingdom
advice and insights to our clients. To learn more about PJT Partners, please visit our website at www.pjtpartners.com. Responsibilities Support, configure, and maintain enterprise network systems, including routers, switches, firewalls, VPNs, and cloud-based network services. Perform network monitoring, diagnostics, and troubleshooting to ensure high availability … optimal performance. Assist in designing and implementing secure, scalable network solutions aligned with organizational goals. Collaborate with cross-functional teams to resolve network issues and support business initiatives. Document network processes, configurations, and incident resolutions clearly and accurately. Participate in on-call rotations and respond to network ...

Senior Network Defense Engineer – CMDC

Location
Greater London, England, United Kingdom
Cloudflare is seeking a Senior Response Engineer focused on network security to join the Cloudflare Managed Defense Center in London. You will architect responses to large-scale threats, coordinate with global teams, and apply deep expertise in BGP, DDoS mitigation, firewalls, and edge-network defense across … layers. You will partner with customers to safeguard traffic, tune detection rules, and drive proactive threat intelligence. Prior cloud network security experience is essential. #J-18808-Ljbffr ...

Senior Infrastructure Engineer

Location
Greater London, England, United Kingdom
Cyber Security Engineer London (Hybrid) £55,000 DOE Full-Time | Permanent We're supporting a growing Managed Service Provider (MSP) in London in their search for a skilled Cyber Security Engineer to join their expanding security function. This is a hands-on, client-facing role focused … securing multi-client environments across network, endpoint, and cloud infrastructure. Key Responsibilities: Design and implement security solutions (firewalls, EDR, cloud security controls) Lead incident response, investigation, and remediation Conduct vulnerability assessments and drive risk mitigation Manage SIEM and security monitoring tools Advise clients on best practices ...

Senior Network Specialist

Location
Greater London, England, United Kingdom
available Hours : This is full-time role (37 hours per week) British Transport Police (BTP) is the national police force for the rail network throughout Great Britain. We are the ‘Guardians of the Railway,’ putting passenger safety at the heart of what we do. Our values are simply … help create an environment where we can all be our best every day. The Opportunity : British Transport Police have an opportunity for a Senior Network Specialist to join the Networks Team. As a Senior Network Specialist with BTP, you will help us build and support the cutting‐edge ...

INTERNAL IT Manager London (Central), Competitive Salary

Location
Greater London, England, United Kingdom
responsible for providing consistent support in the technology area of the Hotel. They are also responsible for focusing on the technical stability and security of the business, maintaining all infrastructure, platforms, applications, and vendor partnerships, ensuring acceptable service levels and security controls, ensuring compliance with all local regulations … well as brand compliance and standards. The IT Manager is responsible for coordinating the operation of the entire technology landscape and ecosystem, including network, infrastructure, platforms (cloud and on‐premises), endpoints, hardware, software and systems company‐wide (corporate & hotel). Within this role, the IT Manager is responsible ...

Fortinet Security Operations Lead (Remote)

Location
Greater London, England, United Kingdom
Sharp Source is seeking a Senior Network & Security Operations Engineer focused on Fortinet to manage and optimize customer network security operations remotely. You will monitor Fortinet environments, respond to incidents, and implement secure configurations to protect client networks. The role requires excellent English communication, cross-time ...

Professional Services Sales Expert

Location
Harrow, England, United Kingdom
More Professional Services Sales Expert Insoft Services is an IT company working as an authorized training center and consultancy company. Our main focuses are Network and Security and we have a long track of experience with Fortinet, Cisco, Juniper, Palo Alto and Checkpoint. We are looking … opportunities all over the world. The ideal candidate is a freelancer with long and international experience in an IT Consultancy or in a Network & Security company, with a proven track of results in the last 3 years. He will be in charge of: Presenting and selling company network ...

IT System Administrator

Location
Greater London, England, United Kingdom
maintain servers, operating systems, and applications. Monitor system performance and troubleshoot issues to ensure optimal performance and reliability. Perform regular system updates, patches, and security configurations. Network Administration: Manage and configure network infrastructure, including routers, switches, firewalls, and VPNs. Monitor network performance and troubleshoot connectivity issues. … Implement and manage network security measures to protect against threats. User Support and Training: Provide technical support to staff and clients, resolving IT-related issues promptly. Conduct training sessions to enhance staff’s understanding and usage of IT systems. Maintain user accounts, permissions, and access rights. Data Management ...

Senior Network Security Lead – Hybrid London (2 days on-site)

Location
City Of London, England, United Kingdom
Randstad NV is seeking a senior, hands-on Network Security Lead in London. The role focuses on enterprise routing, multi-vendor firewalls, SDN, and hybrid cloud connectivity. You will serve as the L3 escalation authority and drive high-availability network operations in BPSS-governed environments. Key responsibilities ...

Junior Account Director (HF1375022)

Location
Greater London, England, United Kingdom
Senior Account Manager Cybersecurity/Network Systems Integration | Basingstoke The Opportunity Our client, an established cybersecurity and network systems integrator, is hiring a Senior Account Manager to manage and grow relationships with mid-market and enterprise clients. The business delivers managed security services, professional services, and network/security solutions, and is part of a larger pan-European group with a genuinely broad technical portfolio. This role is about deepening existing client relationships and growing account value across a technically sophisticated client base. Company Snapshot An established UK-headquartered cybersecurity and network systems integrator ...

Cyber Security Operations Manager, CISSP, CISM, SOC, City of London

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Cyber Security Operations Manager, CISSP, CISM, GIAC, SOC, Professional Services, City, London Cyber Operations Manager required to work for a Professional Services firm based in the City of London. This will be 3 days per week in the office and 2 days from home. The Cyber Operations Manager provides … technical leadership across security operations and works closely with Infrastructure, Business Systems, Service Delivery, Risk & Compliance and third-party security providers to ensure threats are identified, investigated and managed effectively. We ideally need someone from Professional Services Legal, Accountancy, Consulting or Financial Services. Read on for more details ...

Response Engineer – Cloudflare Managed Defense Center (CMDC)

Location
Greater London, England, United Kingdom
Response Engineer – Cloudflare Managed Defense Center (CMDC) Cloudflare ·United States, London, United Kingdom Hybrid Full-time Not specified Security Job Description About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers … adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare ...

Sr Lead Cybersecurity Architect

Location
Greater London, England, United Kingdom
challenges that span multiple technology domains. Job responsibilities Lead the evaluation and implementation of cybersecurity principles, processes, and controls, guiding technology assessments using established security standards and patterns. Provide cybersecurity architecture and guidance to support business and regulatory requirements. Develop and maintain a comprehensive cybersecurity reference architecture. Serve … subject matter expert in cybersecurity, offering expertise to technology teams and business partners. Conduct security assessments, threat modelling, and technical risk assessments on design proposals from technical teams. Advocate for firmwide frameworks, tools, and practices within the secure Software Development Life Cycle. Influence technology decisions by introducing improvements ...

Global IT Network & Security Services Sales Expert

Location
Harrow, England, United Kingdom
Insoft Services, Inc. is seeking a proactive Sales Expert to drive growth in IT professional services and network & security offerings. The role targets new and existing clients, leveraging international experience and a results-driven mindset to close opportunities. The ideal candidate will lead strategic outreach, craft action plans ...

Senior Data Center Design Engineer

Hiring Organisation
Adecco
Location
London, England, United Kingdom
commissioning, and operation of mission-critical data centre facilities across multiple countries. Working within a highly technical environment, you will collaborate with engineering, operations, network, security, and project management teams to ensure the successful delivery of large-scale data centre infrastructure projects.The RoleAs a Senior Data Center Design … equipment submissions, and infrastructure designs against engineering standards and operational requirements.Develop site-specific fit-out and infrastructure solutions for new and existing facilities.Collaborate with network, security, operations, and EHS teams to ensure cross-functional requirements are incorporated into project designs.Provide technical expertise relating to lease agreements, service levels ...

Senior Data Centre Design Engineer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £95000/annum
commissioning, and operation of mission-critical data centre facilities across multiple countries. Working within a highly technical environment, you will collaborate with engineering, operations, network, security, and project management teams to ensure the successful delivery of large-scale data centre infrastructure projects. The Role As a Senior Data … infrastructure designs against engineering standards and operational requirements. Develop site-specific fit-out and infrastructure solutions for new and existing facilities. Collaborate with network, security, operations, and EHS teams to ensure cross-functional requirements are incorporated into project designs. Provide technical expertise relating to lease agreements, service levels ...

Senior Data Center Design Engineer

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £95,000 per annum
commissioning, and operation of mission-critical data centre facilities across multiple countries. Working within a highly technical environment, you will collaborate with engineering, operations, network, security, and project management teams to ensure the successful delivery of large-scale data centre infrastructure projects. The Role As a Senior Data … infrastructure designs against engineering standards and operational requirements. Develop site-specific fit-out and infrastructure solutions for new and existing facilities. Collaborate with network, security, operations, and EHS teams to ensure cross-functional requirements are incorporated into project designs. Provide technical expertise relating to lease agreements, service levels ...

Senior Network Support Engineer (FTC) - Banking & Finance

Location
Greater London, England, United Kingdom
looking for an exciting new opportunity? Join a leading global exchange network providing financial infrastructure across derivatives, foreign exchange, digital assets, and securities markets. The organization focuses on innovation, collaboration, and trusted markets while supporting the global economy. The company is looking for a Network Engineer to support … highly available, low-latency network infrastructure across on-premises and cloud environments within a leading global trading environment. Responsibilities: Act as escalation point within the Network Operations team Troubleshoot and support complex routing & switching environments Work with BGP, OSPF, MPLS and multicast Manage and troubleshoot firewalls and network ...

Cybersecurity - Manager

Location
Greater London, England, United Kingdom
With a strong presence in the UK, we partner with companies across industries to deliver best-in-class advisory services in accounting, risk, cyber security, technology, and business transformation. We pride ourselves on combining technical expertise with a practical, hands‐on approach, helping our clients strengthen resilience, meet regulatory … increasingly digital and risk‐driven landscape. Technical and Domain Experience Conduct cybersecurity maturity and risk assessment and for clients. Practical experience implementing security controls, in areas such as MDR, IAM, Network Security, Cloud Deployments. Advise clients on cybersecurity strategy, metrics and reporting for various levels of stakeholders ...

Network Engineer

Hiring Organisation
EOS IT Solutions
Location
London, UK
Employment Type
Full-time
Solutions is a leading logistics, Network and Collaboration company. We support a large number of tech companies providing innovative solutions – globally. We have an immediate opening for a highly motivated, collaborative and committed individual to fill our Network Engineer position within our Global Network teamPOSITION OVERVIEW … seeking a highly skilled and adaptable Network Engineer with deep expertise in routing, switching, wireless networking, and emerging network automation practices. This is a hands-on engineering role supporting a major global client, requiring up to 75% travel across international and domestic locations. The successful candidate will ...

Staff Software Engineer - Security

Location
Greater London, England, United Kingdom
complex systems with speed and rigor. About the role Our customers in defense, aerospace and more trust us with sensitive systems requirements. That means security is a first-order part of the product, so we're looking for a Staff Software Engineer to own it. This is our first … dedicated security hire, so you'll define the security architecture, harden the platform, and build out the compliance posture. Since LLMs and agentic workflows sit at the center of what we do, you'll also lead how we secure them. What you'll do Own security architecture ...

Network Pre-Sales Solutions Architect - Systems Integrator

Location
Greater London, England, United Kingdom
Responsibilities Act as a Network Solutions Architect supporting complex pre‐sales engagements. Design high‐end network and security solutions aligned to customer business outcomes. Own solution architecture across networking, security, wireless, and SD‐WAN. Work closely with sales and leadership teams to shape winning propositions. Deliver … current with emerging technologies across SD‐WAN, ZTNA, and SASE. Complete required vendor certifications within agreed timeframes. Skills/Must have Strong networking and network security background. Experience working within an MSP or partner‐led environment. Hands‐on exposure to technologies such as Juniper, Cisco, Fortinet, Palo Alto ...

Cyber Policy Lead

Location
Greater London, England, United Kingdom
Manager and CISO in reporting against cyber issues/non-compliance across the organisation. Role responsibilities Manage Cyber & Information Policy and Cyber & Information Security Standards updates in line with agreed refresh periods Look to modernise our policy & standards suite e.g. standards on a page Act as the primary point … interpretation to specialist investigation teams and HR on policy requirements and specific cases Skills required Minimum: Experience in designing, drafting and maintaining cyber & information security policies, standards and procedures across their full lifecycle Extensive working knowledge of industry standards such as ISO 27001, NIST Cybersecurity Framework (CIS), CIS Controls ...

Systems Engineer - Service Provider

Location
Greater London, England, United Kingdom
focused Systems Engineer to support our UK Service Provider business, working alongside our sales teams to engage directly with leading telecommunications service providers and network operators. In this customer-facing pre-sales role, you'll partner directly with customers to design, position and demonstrate Fortinet's market-leading cybersecurity … solutions across large-scale, carrier-grade environments. Our roles span specialisms including multi-tenant security architectures, SOC technologies, cloud security, SASE, SD-WAN, and broader cybersecurity design for service delivery. We are committed to building a team that reflects the diversity of the partners and customers we support. ...

Incident Response Analyst

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
Incident Response Analyst £650 - £750 GBP Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Contract Cyber Security Incident Response Analyst London (Hybrid) | 6-Month Contract | Inside IR35 We're looking for an experienced Cyber Security Incident Response Analyst to join a high-performing cyber security team, helping defend a large enterprise against evolving cyber threats. This is an excellent opportunity to work on complex security incidents, investigate emerging threats and strengthen an organisation's overall cyber resilience. Working within a collaborative security function, you'll play a key role in identifying, analysing ...