1 to 25 of 34 Distributed Denial-of-Service Jobs in England

services, including configuring and securing Virtual Private Clouds (VPCs), Subnets, Security Groups, and Network ACLs. Expertise in implementing and managing Content Delivery Networks (CDNs), Web Application Firewalls (WAF), and DDoS protection such as AWS shield. Ability to design and enforce security policies that align with best practices for cloud networking and ensure secure application delivery. Infrastructure & Compliance as Code: Comprehensive More ❯

in vulnerability management, patch management validation, and compliance assurance. Strong familiarity with key security domains such as Email Security, Identity and Access Management, Network and Application Security, Cloud Security, DDoS & Bot protection, and Endpoint Security. Without being an expert in all technologies, already has knowledge and experience of configuration and trace analysis on the following systems: AWS, Azure More ❯

open-source software and licensing compliance. Plan and lead annual Business Continuity and Disaster Recovery tests, reporting outcomes and driving improvements. Evaluate and configure Azure security tooling, including firewall, DDoS, and WAF services. Contribute to governance processes, reviewing change requests for potential impact on security, privacy, and service availability. Collaborate with the Group CIO and DPO, contributing to More ❯

with hands-on technical expertise in building AWS cloud security capabilities in code and deploying infrastructure in code - Implementation experience with enterprise security solutions such as WAF, IPS, Anti-DDOS, and SIEM - Experience in supporting internal and external customers. You understand what it means to draw out critical customer needs and focus your knowledge and creativity to deliver practical outcomes More ❯

Enterprise Application and App registration certificate. Closely working With Security Architect and Team to adhere zero-trust architecture by securing server policy, group policy, defender etc. Tenant security – DDOS, Azure Firewall policy creation and maintain of Application, Network rule along with IDPS to ensure all the inbound/outbound traffic managed via AZFW. Password management, disk encryption More ❯

Enterprise Application and App registration certificate. Closely working With Security Architect and Team to adhere zero-trust architecture by securing server policy, group policy, defender etc. Tenant security – DDOS, Azure Firewall policy creation and maintain of Application, Network rule along with IDPS to ensure all the inbound/outbound traffic managed via AZFW. Password management, disk encryption More ❯

of cybersecurity training, you will be a hands-on leader in securing the business against evolving threats. Key Responsibilities Manage and optimise enterprise-grade security tools: WAF, DDoS, email and web security gateways, SIEM, SOAR, EDR, MFA, SSO, IDS/IPS, PAM and more. Perform vulnerability assessments and penetration test remediation. Deliver Cyber Security Awareness Training across the More ❯

design and secure integrations Experience with cron jobs, queues, and background workers Payment gateway integration (Cashflows or similar) Infrastructure knowledge: NGINX, Apache, load balancing Cloudflare experience (WAF, caching, DNS, DDoS protection) Git, CI/CD, and code quality best practices AWS deployment experience Front-end: Vue.js, React or Alpine.js, plus HTML/CSS Experience with full development lifecycle Desirable skills More ❯

architecture including hybrid connectivity and on-premises integration. Experience with Azure networking services , such as: Azure Virtual WAN Azure Private Link Azure Firewall Azure Application Gateway Azure Front Door DDoS Protection Expertise in network security within Azure, including Zero Trust principles . Strong troubleshooting skills for network performance and connectivity issues. Must have active SC Clearance. Qualifications Candidates who have More ❯

junior team members. Key Responsibilities Monitor, manage, and respond to threats via SIEM, SOAR, and EDR platforms Conduct vulnerability scans and support remediation and risk mitigation efforts Oversee WAF, DDoS, VPN, and perimeter firewalls Manage Email and Web Security Gateways Administer MFA, SSO, PAM, MDM/MAM, and Conditional Access systems Maintain security certificates, encryption keys, and IDS/IPS More ❯

Technologies Network: Cisco Nexus Switches Cisco ACI Network Cisco ISR Router Cisco Wireless Access Points Cisco Wireless LAN Controller Cisco DNA Centre Network Security : Forescout F5 load balancer Arbor DDOS Perimeter Security : Palo Alto Firewall Checkpoint Firewall Technical Certifications (Good to have) ITIL v3 or v4 Foundation Palo Alo or Check Point Firewall Certification PCSA, CCSA CCNP certification CCNA wireless More ❯

Technologies Network: Cisco Nexus Switches Cisco ACI Network Cisco ISR Router Cisco Wireless Access Points Cisco Wireless LAN Controller Cisco DNA Centre Network Security : Forescout F5 load balancer Arbor DDOS Perimeter Security : Palo Alto Firewall Checkpoint Firewall Technical Certifications (Good to have) ITIL v3 or v4 Foundation Palo Alo or Check Point Firewall Certification PCSA, CCSA CCNP certification CCNA wireless More ❯

Access Management Robust CSOC services that include SIEM and Security Orchestration Cloud security and compliance SASE/CASB EDR/XDR KMS/HSM Solutions NFV Security Technologies, WAFs DDOS Containerisation and Cloud Native application security Security consultation Ransomware/Anti-Span/Malware prevention technologies Experience in Private & Public Cloud architectures for Security Knowledge of Network Architectures More ❯

paced environments Broad knowledge of IT and security frameworks, regulations, and best practices (e.g., ISO 27001, DPA, GDPR) Familiarity with security tools such as vulnerability scanners, SIEM, DDoS protection, remote access, authentication/authorisation technologies, and data loss prevention Understanding of OWASP top vulnerabilities and methodologies Technical knowledge of cloud, networking, virtualisation, mobile technologies More ❯

junior team members. Key Responsibilities Monitor, manage, and respond to threats via SIEM, SOAR, and EDR platforms Conduct vulnerability scans and support remediation and risk mitigation efforts Oversee WAF, DDoS, VPN, and perimeter firewalls Manage Email and Web Security Gateways Administer MFA, SSO, PAM, MDM/MAM, and Conditional Access systems Maintain security certificates, encryption keys, and IDS/IPS More ❯

infrastructures - Experience communicating across technical and non-technical audiences, including executive level stakeholders or clients - 8+ years' experience in infrastructure architecture, security architecture and networking - Deep expertise with WAF, DDoS protection, and edge security services - Experience architecting/operating solutions built on cloud service providers - Strong understanding of network security concepts and threat mitigation strategies PREFERRED More ❯

vendors such as any of the following - Fortinet, Palo Alto, Cisco, Juniper, Zscaler, CrowdStrike... Experience in any of the following is advantageous: SIEM, SOAR, MSSP, DDoS, WAF, EDR, IDAM... Excellent communication skills and the ability to simplify complex concepts for a range of stakeholders A proactive, can-do attitude and a drive to deliver More ❯

vendors: Fortinet, Palo Alto, Juniper, Cisco, Netskope, Zscaler, CrowdStrike. We would also love to receive applications from people with skills solutioning SIEM, SOAR, or Managed Security Services (experience in DDoS, WAF, IDAM, EDR, MDM or Vulnerability Management is a plus). We are also interested to hear from candidates with operational expertise in these areas, who are looking to take More ❯

non-technical audiences - Hands-on technical expertise in building and deploying security solutions, capabilities and infrastructure. - Implementation experience with enterprise security solutions such as SSO, Federation, WAF, IPS, Anti-DDOS, and SIEM and understanding architectural implications of meeting industry standards such as PCI DSS, ISO 27001, GDPR, and NIST frameworks and relevant regulatory frameworks such as Thailand's More ❯

analytical and problem solving skills Very strong written and verbal communications skills. In-depth knowledge of: Advanced Persistent Threats, Third Party Risks/Threats, Cybercrime, Hacktivism, Distributed Denial of Service attacks, Fraud, Malware, Mobile Threats We offer: By joining Citi London, you will not only be part of More ❯

within a SOC or equivalent function. Proficiency with Microsoft Security Suite (including Sentinel) and Darktrace or similar. Must have an understanding of cyber threats including malware, ransomware, DDoS, insider threats. Strong knowledge of threat modelling, security monitoring, and cloud environments. Familiarity with GDPR, data protection, and privacy impact assessments. Excellent communication and collaboration skills with a More ❯

Equivalent market experience will be considered. Good knowledge of key global IP Networks, IP Transit, Service Providers, Ethernet service offerings, CDN, networking and DDoS services Have a good understanding of the respective strengths and weaknesses of such Providers globally. Work Experience Required: Good knowledge of all Microsoft Office More ❯

Join a focused 3-person IT Security team, reporting to the IT Security Officer, to implement and maintain robust security across their infrastructure. Key responsibilities include managing WAF/DDoS, security gateways, SIEM/SOAR/EDR, firewalls, MFA/SSO, MDM/MAM, vulnerability scans, and incident response. Key Responsibilities: Manage WAF/DDoS, web/email security gateways … CrowdStrike EDR, Mimecast, Duo, Okta, Rapid7 IVM/IDR, Palo Alto Firewalls, InTune, and Entra ID/Azure AD/Group Policy. Experience: Familiarity with Imperva WAF/DDoS, Menlo, Cisco security, KnowBe4, Digicert, patching tools, web application scanners, and Kali Linux, AI, Machine Learning Candidate Profile: Relevant security certifications (CISM, MS Security, OSCP preferred). Financial services/ More ❯

Join a focused 3-person IT Security team, reporting to the IT Security Officer, to implement and maintain robust security across their infrastructure. Key responsibilities include managing WAF/DDoS, security gateways, SIEM/SOAR/EDR, firewalls, MFA/SSO, MDM/MAM, vulnerability scans, and incident response. Key Responsibilities: Manage WAF/DDoS, web/email security gateways … CrowdStrike EDR, Mimecast, Duo, Okta, Rapid7 IVM/IDR, Palo Alto Firewalls, InTune, and Entra ID/Azure AD/Group Policy. Experience: Familiarity with Imperva WAF/DDoS, Menlo, Cisco security, KnowBe4, Digicert, patching tools, web application scanners, and Kali Linux, AI, Machine Learning Candidate Profile: Relevant security certifications (CISM, MS Security, OSCP preferred). Financial services/ More ❯

a Cybersecurity Consultant to join their UK team. This is a hands-on, client-facing role where you'll help businesses improve their cyber defences—especially in areas like DDoS protection and Web Application & API Protection (WAAP). You’ll receive full training in DDoS mitigation and WAAP technologies, making this a great opportunity to develop your skills in a … fast-growing area. Responsibilities: Conduct cybersecurity audits, simulations, and assessments Develop clear and practical recommendations for clients Deliver training and guidance to client teams Help clients improve their DDoS and WAAP readiness Stay up to date on the latest cyber threats and technologies Requirements: Essential: Experience in information security or networking Understanding of network protocols (e.g. TCP/ More ❯