24 of 24 Remote Network Security Jobs in London

Junior Security Researcher Salary: £50,000 - £80,000 DOE Fully remote We're looking for a Junior Security Researcher who is passionate about understanding how networks behave from a security perspective and enjoys uncovering the story behind complex data. This is an opportunity to join a pioneering … start-up transforming raw security data into actionable intelligence, helping shape the future of threat detection across global networks. This role sits within their Security Research function and is ideal for someone with a SOC, network engineering or security operations background who is keen to move

Senior Network Security Engineer Location: Fully Remote Rate: Up to £450 per day (Inside IR35) Duration: 6 Months About the Role We are seeking an experienced Senior Network Security Engineer to join on a 6-month contract. This is a fully remote role, offering an opportunity … work on high-impact security projects and infrastructure initiatives. You’ll be responsible for strengthening the security posture, managing critical systems, and mitigating risks across cloud and network environments. Key Responsibilities Manage, configure, and troubleshoot Palo Alto firewalls to ensure optimal security. Implement and maintain Azure security

Senior Network Security Engineer - WAF 6 months contract Up to £500 per day (Inside IR35) Fully Remote We’re looking for a Senior Network Security Engineer with strong WAF and cloud security experience to join on a 6-month contract. You will take ownership … application security posture, drive improvements across our network security stack, and support key projects focused on cloud, firewall, and WAF optimisation. Key Responsibilities Lead the configuration, tuning, and optimisation of Barracuda WAF platforms Support and enhance Azure networking components including VNets, NSGs, firewalls, load balancers, and routing

Role: Cyber Security Manager Location: London (Hybrid) Salary: £65,000 - £75,000 Summary Oscar Technology are working with a technology-focused organisation that is enhancing its internal security capability and looking for an experienced Cyber Security Manager to lead their cyber defence function. This position is suited … someone with a strong technical security background who can drive strategy, uplift security maturity, and oversee incident response activities. You will be responsible for safeguarding the business's infrastructure, digital assets, and data by shaping security processes, managing risk, and leading a team of cyber security

Cloud Network Engineer - Azure/Terraform/Palo Alto United Kingdom - fully remote Global HealthTech organisation - over 50,000 employees Up to £75,000 + benefits We’re partnered with a global HealthTech powerhouse that’s transforming the way healthcare data is connected, protected, and delivered across continents. Their … Cloud Infrastructure team plays a critical role in maintaining secure, scalable, and high-performance network environments across multiple regions. They’re now looking for an experienced Cloud Network Engineer to join their UK-based Cloud Platform function - someone who can take ownership of Azure networking, automation, and security

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.

digital transformation consultancy consistently recognised as a Times Top 100 Company to Work For is seeking a Cybersecurity Architect to join its growing security practice. This is a fully remote role (UK-based), working on high-impact programmes across public and private sector clients. Youll play a key role … designing secure cloud and application architectures, advising on best practices, and embedding security into digital platforms from discovery through to delivery. Key Responsibilities Design secure cloud architectures across AWS/Azure/GCP for enterprise-scale transformation projects Define and implement application security standards including threat modelling, secure

seeking a Network Engineer to be responsible for the support and maintenance of a client’s enterprise network infrastructure. Reporting into the Network Engineering Manager the role holder will have a thorough understanding of the company’s technologies and systems as well as be able to understand … hybrid, requiring the role holder to be in the office 1 or 2 days a week. Primary responsibilities: Day to day technical support of network infrastructure at data centres and at the office premises, ensuring a high level of efficiency in problem resolution and uptime Monitor network performance

Azuresecuritycontrols ,includingidentity,networking,andmonitoringsolutions. Configureandmanage WebApplicationFirewalls(WAFs) toprotectagainstapplication-layerattacks. Conduct securityaudits ,reviewfindings,andproducecomprehensivereports. Proactively mitigatevulnerabilities identifiedinsecurityreportsandassessments. Collaboratewithcross-functionalteamstoensuresecuritybestpracticesarefollowed. Stayuptodatewithemergingthreats,vulnerabilities,andindustrytrends. Skills&ExperienceRequired Provenexperienceasa Network&SecurityEngineer orsimilarrole. Stronghands-onexperiencewith PaloAltofirewalls andassociatedsecuritypolicies. Strongexperienceworkingwith Azure Solidknowledgeof MicrosoftAzuresecurity toolsandconfigurations. Experiencedeployingandmanaging WAFsolutions . Networkingexperience- Cisco Demonstratedexpertisein securityaudits andremediationplanning. Abilityto analyseandmitigatevulnerabilities fromsecurityreports. Excellentproblem-solvingandcommunicationskills. … ContractDetails Type: InsideIR35 Duration: 6Months Location: FullyRemote DayRate: £450 Network,Security,PaloAlto,Azure,WAF,SecurityAudits,Cisco

Outside IR35) Location: Fully Remote Excellent long term contract for an experienced Penetration Tester to support a large-scale international security programme, delivering high-quality offensive security assessments across applications, infrastructure, and networks. You'll be joining a specialist team responsible for delivering structured penetration tests, vulnerability assessments … security design reviews. Working within a defined AGILE sprint model, you will plan, execute and report on testing activities, producing clear technical findings, risk assessments and remediation guidance. Strong communication skills are essential, as you'll deliver briefs to both technical teams and senior stakeholders. The role requires hands

Network Manager - Financial Services - hybrid working - contract - London or Glasgow A leading financial services business based in the UK are looking to hire a Network Manager to join the business on an initial contract to work on a modernisation project. The ideal candidate will have worked … Network Manager within financial services and will have previously worked on SD WAN & LAN projects previously. You will need to be able to work in a fast paced environment, its essential that you have worked on Cisco/Palo Alto or similar. What

Cisco Network Engineer - City of London - Large financial services company - Salary up to £70,000 plus bonus and benefits - Hybrid working (3 times a week in London office) A large financial services company are currently looking for an experienced Network Engineer to join their growing team. The role … will have responsibility for managing and designing the enterprise network which stretches globally. Duties will include: - Assisting architects with implementations - Guiding team members on network technologies - Driving enhancements to networks - Modernising infrastructure - Level 3 network technical support - Routing/Switching/Firewall implementations - Integration of switches, routers

Cisco Network Engineer - City of London - Large financial services company - Salary up to £70,000 plus bonus and benefits - Hybrid working (3 times a week in London office) A large financial services company are currently looking for an experienced Network Engineer to join their growing team. The role … will have responsibility for managing and designing the enterprise network which stretches globally. Duties will include: - Assisting architects with implementations - Guiding team members on network technologies - Driving enhancements to networks - Modernising infrastructure - Level 3 network technical support - Routing/Switching/Firewall implementations - Integration of switches, routers

Cisco Network Engineer - City of London - Large financial services company - Salary up to £70,000 plus bonus and benefits - Hybrid working (3 times a week in London office) A large financial services company are currently looking for an experienced Network Engineer to join their growing team. The role … will have responsibility for managing and designing the enterprise network which stretches globally. Duties will include: - Design, implementation and support of enterprise networks - Guiding team members on network technologies - Driving enhancements to networks - Modernising infrastructure - Level 3 network technical support - Routing/Switching/Firewall implementations - Integration

CYBER SECURITY ENGINEER Summer-Browning Associates is supporting our client in the Central Government who is seeking a Cyber Security Engineer for an initial 12-month assignment, with the possibility of extension. Location: London | Hybrid| Remote The ideal candidate will hold an active DV clearance and have … solid background in Cyber Security Engineering working within a high-threat government environment, with the following skills and experience: Proficiency in Security Information and Event Management (SIEM), including tools such as Splunk, Defender, Sentinel, ELK, and Tenable Threat Modelling System solutions, as well as with IDS/

Senior Network Engineer - £70k + £6k Car Allowance + 15% Bonus Hybrid - Home Based + easy travel to London area (2x/month) Out-of-hours paid at time and a half We're working with a long-standing client of ours, a major player in their industry … they're looking for a proper Senior Network Engineer to join the team. You'll need to have worked on/lead some Network Security projects to be successful in this role. We're after someone confident, experienced, and ready to step straight into a hands

Senior Network Engineer - £70k + £6k Car Allowance + 15% Bonus Hybrid - Home Based + easy travel to London area (2x/month) Out-of-hours paid at time and a half We're working with a long-standing client of ours, a major player in their industry … they're looking for a proper Senior Network Engineer to join the team. You'll need to have worked on/lead some Network Security projects to be successful in this role. We're after someone confident, experienced, and ready to step straight into a hands

cloud transitions (AWS, Azure, private cloud). End User Computing refresh programmes - Windows 10/11 upgrades, VDI rollouts, Office 365/M365 migrations. Network & security upgrades - WAN/LAN refresh, SD-WAN, firewall/security infrastructure enhancements. Cybersecurity initiatives - IAM (Identity and Access Management), SIEM integration

cloud transitions (AWS, Azure, private cloud). End User Computing refresh programmes - Windows 10/11 upgrades, VDI rollouts, Office 365/M365 migrations. Network & security upgrades - WAN/LAN refresh, SD-WAN, firewall/security infrastructure enhancements. Cybersecurity initiatives - IAM (Identity and Access Management), SIEM integration

SeniorNetworkSecurityEngineer-WAF 6monthscontract Upto£500perday(InsideIR35) FullyRemote WerelookingforaSeniorNetworkSecurityEngineerwithstrongWAFandcloudsecurityexperiencetojoinourteamona6-monthcontract. Youwilltakeownershipofourwebapplicationsecurityposture,driveimprovementsacrossournetworksecuritystack,andsupportkeyprojectsfocusedoncloud,firewall,andWAFoptimisation. KeyResponsibilities Leadtheconfiguration,tuning,andoptimisationofBarracudaWAFplatforms SupportandenhanceAzurenetworkingcomponentsincludingVNets,NSGs

Fantastic opportunity for an experienced Infrastructure Engineer to join a fast-paced and technically driven Managed Service Provider delivering enterprise-grade infrastructure, cloud, and security solutions. Full-time, permanent role based in London with hybrid working options and a competitive salary (DOE). Immediate start available - professionals with strong …/VMware). Implementing and maintaining enterprise-level backup solutions using Veeam. Supporting cloud technologies such as Microsoft 365, Azure, and Google Workspace. Managing network configurations including DNS, DHCP, VLANs, IP routing, and VPNs. Assisting in infrastructure upgrades, migrations, and security deployments. Producing detailed technical documentation and contributing

Cloud DevOps Engineer/Cloud Infrastructure Engineer , you will focus on building, automating, and managing scalable cloud infrastructure while ensuring the highest standards of security and availability. This is a contract-based role (6-12 months) offering hybrid/remote working options, a salary range … Develop and automate infrastructure for cloud-native networks, integrating APIs for seamless operations. Work with virtual cloud firewall appliances (e.g., CheckPoint, Cisco) to ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best

Cloud DevOps Engineer/Cloud Infrastructure Engineer , you will focus on building, automating, and managing scalable cloud infrastructure while ensuring the highest standards of security and availability. This is a contract-based role (6-12 months) offering hybrid/remote working options, a salary range … Develop and automate infrastructure for cloud-native networks, integrating APIs for seamless operations. Work with virtual cloud firewall appliances (e.g., CheckPoint, Cisco) to ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best

Cloud DevOps Engineer/Cloud Infrastructure Engineer , you will focus on building, automating, and managing scalable cloud infrastructure while ensuring the highest standards of security and availability. This is a contract-based role (6-12 months) offering hybrid/remote working options, a salary range … Develop and automate infrastructure for cloud-native networks, integrating APIs for seamless operations. Work with virtual cloud firewall appliances (e.g., CheckPoint, Cisco) to ensure network security. Implement and manage routing protocols such as BGP and OSPF, with a focus on high-availability designs. Ensure adherence to software engineering best