1 to 25 of 134 Distributed Denial-of-Service Jobs in the UK

Role: Senior Java Developer Salary/Rate: GBP market rates per day (inside IR35) Location: Hybrid - 2 days per week on site in Leeds or London as preferred Contract Duration: 12 months We are currently looking for a Senior Java More ❯

messaging, and network isolation strategies. Networking & Cloud Security: Deep expertise in TCP/IP, DNS, Load Balancers, network firewalls, SSL/TLS/mTLS, along with AWS Shield for DDoS protection, AWS WAF for web security, VPC segmentation, and automated vulnerability scanning. Container Security & Orchestration: Expertise in Docker, ECS, EKS, Kubernetes, implementing security best practices like image vulnerability scanning, Kubernetes More ❯

messaging, and network isolation strategies. • Networking & Cloud Security: Deep expertise in TCP/IP, DNS, Load Balancers, network firewalls, SSL/TLS/mTLS, along with AWS Shield for DDoS protection, AWS WAF for web security, VPC segmentation, and automated vulnerability scanning. • Container Security & Orchestration: Expertise in Docker, ECS, EKS, Kubernetes, implementing security best practices like image vulnerability scanning, Kubernetes More ❯

messaging, and network isolation strategies Networking & Cloud Security: Deep expertise in TCP/IP, DNS, Load Balancers, network firewalls, SSL/TLS/mTLS, along with AWS Shield for DDoS protection, AWS WAF for web security, VPC segmentation, and automated vulnerability scanning Container Security & Orchestration: Expertise in Docker, ECS, EKS, Kubernetes, implementing security best practices like image vulnerability scanning, Kubernetes More ❯

IDS, AV/EDR solutions, LDAP/AD, etc. Advanced knowledge in Privileged Access Management (PAM) and associated tools. High proficiency in Vulnerability and Compliance Management, as well as DDOS protection. Hands-on experience in engineering Cyber Security solutions for cloud platforms (e.g., AWS, Azure) utilizing open-source tools, DevOps, and automation (e.g., Zabbix, ELK, Grafana, Netbox, Netmiko, Ansible, Alienvault More ❯

messaging, and network isolation strategies Networking & Cloud Security: Deep expertise in TCP/IP, DNS, Load Balancers, network firewalls, SSL/TLS/mTLS, along with AWS Shield for DDoS protection, AWS WAF for web security, VPC segmentation, and automated vulnerability scanning Container Security & Orchestration: Expertise in Docker, ECS, EKS, Kubernetes, implementing security best practices like image vulnerability scanning, Kubernetes More ❯

and attention to details Certifications such as CCNA, CCNP, JNCIA, or DevNet Associate are advantageous Bonus Qualifications: Experience with Cloud Networking (AWS, Azure, or GCP) Experience with cloud-based DDoS protection solutions Experience in containerized networking environments (Docker, Kubernetes) Exposure to SDN (Software Defined Networking) and SD-WAN solutions Experience with overlay networks (EVPN, VxLAN) Personal Attributes and Key Outcomes More ❯

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. Ability to design and enforce security policies that align with best practices for cloud networking and ensure secure application delivery. I nfrastructure & Compliance as Code : Comprehensive knowledge of More ❯

and remediating complex platform availability issues. Site Reliability Engineering (SRE) is a continuous engineering discipline that effectively combines software development and systems engineering to build and run scalable, distributed, fault-tolerant systems. This role will ensure that American Express internal and external services have reliability and uptime appropriate to users' needs. We also ensure a continuous improvement, while … data Hands on experience on enterprise tools set such as Grafana, Dynatrace, AppDynamics,Prometheus etc. Knowledge on Unix shell scripting, PERL or Python programming is preferred Experience in handling DDoS/BOT attack and different security remediations Working experience with Network load balancers, Global Traffic Managers (GTMs), Local Traffic Managers (LTMs) Hands on experience on configuring Splunk, Grafana dashboards, Kibana More ❯

Hybrid Cloud Models, AzureAD, MIM, FIM, and modern authentication protocols (SAML, OIDC). Network Security: Proficient in designing segmentation, securing WLAN, LAN, WAN, SDWAN, SaaS proxies, VPNs, firewalls, IPS, DDoS, WAF, DLP, DNS, NAC, NSPM, and architectures like SASE and Zero Trust. Application Security: Experience with SAST, DAST, RAST, IAST tools, integrating security into SDLC processes, OWASP, API security design More ❯

Hybrid Cloud Models, AzureAD, MIM, FIM, and modern authentication protocols (SAML, OIDC). Network Security: Proficient in designing segmentation, securing WLAN, LAN, WAN, SDWAN, SaaS proxies, VPNs, firewalls, IPS, DDoS, WAF, DLP, DNS, NAC, NSPM, and architectures like SASE and Zero Trust. Application Security: Experience with SAST, DAST, RAST, IAST tools, integrating security into SDLC processes, OWASP, API security design More ❯

Hybrid Cloud Models, AzureAD, MIM, FIM, and modern authentication protocols (SAML, OIDC). Network Security: Proficient in designing segmentation, securing WLAN, LAN, WAN, SDWAN, SaaS proxies, VPNs, firewalls, IPS, DDoS, WAF, DLP, DNS, NAC, NSPM, and architectures like SASE and Zero Trust. Application Security: Experience with SAST, DAST, RAST, IAST tools, integrating security into SDLC processes, OWASP, API security design More ❯

of DNS and HTTP protocol in detail. Understating of SSL/TLS handshake Experience of Network Security (e.g., Web Application Security, AAA, VPN, DDoS, Malware, Application Firewalls, etc.). Ability to read, write and speak English fluently, including technical concepts and terminology. Able to communicate technical information to customers with varying levels of More ❯

IT Security Engineer role at Holland & Barrett Help Us Build a Safer, Healthier Future Design and implement secure architectures on cloud platforms, primarily AWS. Manage perimeter defenses including WAF, DDoS protection, and CDN configurations. Enforce least privilege access controls and implement RBAC policies. Develop and maintain Infrastructure-as-Code (IaC) security standards using tools like Terraform, CloudFormation, or AWS CDK. … development workflows, we'd love to hear from you. Key Responsibilities Cloud & Infrastructure Security Design and implement secure architectures on cloud platforms, primarily AWS. Manage perimeter defenses including WAF, DDoS protection, and CDN configurations. Enforce least privilege access controls and implement RBAC policies. Develop and maintain Infrastructure-as-Code (IaC) security standards using tools like Terraform, CloudFormation, or AWS CDK. More ❯

research, SOC analyst, or any other similar incident response experience Fundamental understanding of security tools such as SIEM, IDS/IPS, web proxies, DLP, SIEM, DNS security, DDoS protection, and firewalls Knowledge of MITRE ATT&CK security framework, Cyber Kill Chain analysis, and/or other useful threat analysis models Knowledge of the incident 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. Desired Experience: Familiarity with Imperva WAF/DDoS, Menlo, Cisco security, KnowBe4, Digicert, patching tools, web application scanners, and Kali Linux. Candidate Profile: Relevant security certifications (CISM, MS Security, OSCP preferred). Financial services/SOC/pentesting 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. Desired Experience: Familiarity with Imperva WAF/DDoS, Menlo, Cisco security, KnowBe4, Digicert, patching tools, web application scanners, and Kali Linux. Candidate Profile: Relevant security certifications (CISM, MS Security, OSCP preferred). Financial services/SOC/pentesting More ❯

security threats. Support the incident management process, through Root Cause Analysis. Responding to and resolving security incidents and events, such as malware infections, phishing attempts, denial-of-service attacks, data breaches, etc. Liaise with stakeholders in relation to cyber security issues and provide recommendations. Maintain an information security risk register and assist with internal More ❯

security threats. Support the incident management process, through Root Cause Analysis. Responding to and resolving security incidents and events, such as malware infections, phishing attempts, denial-of-service attacks, data breaches, etc. Liaise with stakeholders in relation to cyber security issues and provide recommendations. Maintain an information security risk register and assist with internal More ❯

security threats. Support the incident management process, through Root Cause Analysis. Responding to and resolving security incidents and events, such as malware infections, phishing attempts, denial-of-service attacks, data breaches, etc. Liaise with stakeholders in relation to cyber security issues and provide recommendations. Maintain an information security risk register and assist with internal More ❯

protect our organisation against a range of cyber threats. Your responsibilities include detecting, responding to, and mitigating risks from malware outbreaks, insider activity, denial-of-service attacks, and phishing. You’ll collaborate with technical teams to deepen understanding of operational activities, develop defensive strategies, analyze alerts, logs, network traffic, and More ❯

work with a close-knit team to protect our organisation against a range of cyber threats. From malware outbreaks and insider activity to denial-of-service attacks and phishing, your role will be key in detecting, responding to, and mitigating risks. You’ll work closely with other technical teams, gaining deeper understanding More ❯

work with a close-knit team to protect our organisation against a range of cyber threats. From malware outbreaks and insider activity to denial-of-service attacks and phishing, your role will be key in detecting, responding to, and mitigating risks. You’ll work closely with other technical teams, gaining deeper understanding More ❯

protect our organisation against a range of cyber threats. Your responsibilities include detecting, responding to, and mitigating risks from malware outbreaks, insider activity, denial-of-service attacks, and phishing. You’ll collaborate with other technical teams to understand operational activities and develop your skills in defensive strategies for operational infrastructure. Your typical More ❯

work with a close-knit team to protect our organisation against a range of cyber threats. From malware outbreaks and insider activity to denial-of-service attacks and phishing, your role will be key in detecting, responding to, and mitigating risks. You’ll work closely with other technical teams, gaining deeper understanding More ❯