1 to 25 of 92 Sentinel Jobs

Candidate MUST BE SECURITY CLEARED As a Security Information & Event Monitoring (SIEM) Engineer, you are responsible for maintaining the SIEM platform. This includes onboarding log sources, creating custom parsers, developing analytic rules, creating automation for triage and remediation, and integrating More ❯

Candidate MUST BE SECURITY CLEARED As a Security Information & Event Monitoring (SIEM) Engineer, you are responsible for maintaining the SIEM platform. This includes onboarding log sources, creating custom parsers, developing analytic rules, creating automation for triage and remediation, and integrating More ❯

Candidate MUST BE SECURITY CLEARED As a Security Information & Event Monitoring (SIEM) Engineer, you are responsible for maintaining the SIEM platform. This includes onboarding log sources, creating custom parsers, developing analytic rules, creating automation for triage and remediation, and integrating More ❯

based in London - Contract - Hybrid inside IR35 - umbrella Key Responsibilities Maintain and support security tools and platforms. Deploy patches and remediate issues using MECM. Support Microsoft security stack (Defender, Sentinel, Purview) click apply for full job details More ❯

defining compute, storage, network, and security architectures hosted on VMware vSphere and ESXi, implementing monitoring and alerting with SolarWinds, managing test data securely, and integrating SIEM reporting into Microsoft Sentinel for centralised security visibility. Additionally, the Model Office environment will require integration with SaaS-based cloud services to support hybrid connectivity and application interoperability. More ❯

based in London - Contract - Hybrid *inside IR35 - umbrella* Key Responsibilities Maintain and support security tools and platforms. Deploy patches and remediate issues using MECM. Support Microsoft security stack (Defender, Sentinel, Purview). Diagnose and resolve proxy and web access issues. Perform system upgrades and health monitoring. Manage ticket queues and team mailbox for security engineering. Create and document processes, procedures More ❯

based in London - Contract - Hybrid *inside IR35 - umbrella* Key Responsibilities Maintain and support security tools and platforms. Deploy patches and remediate issues using MECM. Support Microsoft security stack (Defender, Sentinel, Purview). Diagnose and resolve proxy and web access issues. Perform system upgrades and health monitoring. Manage ticket queues and team mailbox for security engineering. Create and document processes, procedures More ❯

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/IPS and vulnerability scanners. Experience in Protective Monitoring & SOC operation Experience in network security principles, firewalls, and More ❯

on site at their London office. Must have strong hands on experience with Azure Policies Must have strong hands on experience with Defender for Cloud Must have experience with Sentinel Strong understanding of information and cyber security principles and practices. Experience with security assessment and risk management methodologies. Proficiency in cloud security, particularly with Azure security tools and services. Knowledge More ❯

Understanding of OAuth2.0, SAML, OpenID Connect . Familiarity with ISO 27001, NIST CSF, CAF & GDPR . Experience leading or overseeing MSPs. Current SC clearance . Desirable: Knowledge of Microsoft Sentinel, Splunk, or Elastic SIEM . Experience in SOC build or cyber transformation projects. Degree/HND in a relevant STEM field. More ❯

networking, identity, governance, security) Terraform validation and Git-based workflows Automation with PowerShell, Azure CLI, Python (pytest/Pester) Azure Policy, RBAC, CAF governance Logging and observability: Log Analytics, Sentinel Tools: Checkov, TFLint, PSRule for Azure BPSS Required , SC Clearance Desirable Responsibilities: Design and execute manual/automated tests for Azure infrastructure Validate networking, identity, policy, and security configurations Build More ❯

Support client onboarding and configuration alignment. Mentor junior engineers and analysts. You’ll bring: 3–5 years’ experience in SOC or security engineering. Strong knowledge of platforms such as Sentinel, Splunk, Defender, or Elastic. Scripting/automation ability (PowerShell, KQL, Python, etc.). Understanding of Azure/AWS cloud and network fundamentals. Desirable: Experience with SOAR tools or Infrastructure-as More ❯

PowerShell, REST APIs). Proven track record in CyberArk upgrades and custom integrations. Excellent communication and stakeholder engagement skills. Desirable Experience in financial services or banking environments. Familiarity with Sentinel, Defender XDR, and SIEM integrations. CyberArk Defender & Sentry certifications. Please apply within for further details - Matt Holmes, Harvey Nash More ❯

activities. Help coach and upskill junior analysts. You should bring: 2–4 years’ experience in a SOC, CSIRT, or cyber defence environment. Solid knowledge of SIEM and EDR platforms (Sentinel, Splunk, Defender, CrowdStrike, etc.). Understanding of MITRE ATT&CK and network/cloud security principles. Strong analytical and communication skills. Bonus points for: Scripting or automation experience (KQL, PowerShell More ❯

RF design Meet with vendors and technology suppliers to select components to be used in solutions The Requirements: Experience of RF testing & ideally PIM testing A current/valid Sentinel Card/PTS. Be willing to work nights Commutable to central London Ideally have experience of RF Testing in LU/TFL environment i.e. working in tunnels Flexible and adaptable More ❯

Intune, Conditional Access, and Azure security. Experience with enterprise-scale security deployments. Ability to interpret and improve Secure Score metrics. Preferred Skills Familiarity with FastTrack methodology. Experience with Microsoft Sentinel and advanced threat analytics. Strong communication and advisory skills for customer engagement. Impact Deliver unified, AI-driven security across endpoints, email, identity, and cloud, reducing risk and simplifying compliance. People More ❯

through best practices in identity, access, threat protection, and compliance within the Microsoft ecosystem. Key Responsibilities Design and present secure cloud solutions leveraging the Microsoft Security Stack, including Defender, Sentinel, Entra ID, Purview, and Intune. Collaborate with sales and technical teams to translate business needs into scalable, secure architectures. Lead client engagements, workshops, and technical assessments to shape solution strategy. More ❯

coaching, mentoring, and line management. What We’re Looking For 2-3 years’ experience investigating and responding to cyber incidents. Hands-on use of SIEM tools (Splunk preferred, Microsoft Sentinel or equivalent acceptable). Experience with EDR solutions to support incident investigation. Understanding of threat actor tools, techniques, and procedures (TTPs). Strong analytical and problem-solving skills. Excellent written More ❯

. -Experience: 2+ years in security operations, network security, or incident response. -Certifications (Preferred): Security+, CEH, CySA+, GSEC, or equivalent. -Technical Proficiency: o Experience with SIEM platforms (Splunk, QRadar, Sentinel, etc.). o Knowledge of firewalls, IDS/IPS, endpoint security, and forensic tools. o Familiarity with log analysis, malware detection, and threat intelligence. -Problem-Solving Skills: Strong analytical skills More ❯

Center Azure Security Center, SIEM, Defender ATP, M365 Security, Data Compliance and Governance, PIM & PAM Zscaler (ZTNA), Darktrace, Firewalls, NAC, Network segregation, remote access & wireless technologies Windows & KQL (MS Sentinel) scripting Cloud computing (IaaS, PaaS, SaaS) Authentication (Windows, AAD, Managed Identity) Microsoft 365 security and compliance You Passionate about cyber security, thriving on solving problems and improving processes; proactive in More ❯

technology landscape. Key Responsibilities: Design and deliver Microsoft 365 and Azure security solutions in line with best practices and industry standards. Implement and configure tools such as Microsoft Defender, Sentinel (SIEM/XDR), Entra, and Purview. Support internal and client environments post-deployment through troubleshooting, optimisation, and user training. Contribute to pre-sales engagements, including solution design, scoping, and client More ❯

technology landscape. Key Responsibilities: Design and deliver Microsoft 365 and Azure security solutions in line with best practices and industry standards. Implement and configure tools such as Microsoft Defender, Sentinel (SIEM/XDR), Entra, and Purview. Support internal and client environments post-deployment through troubleshooting, optimisation, and user training. Contribute to pre-sales engagements, including solution design, scoping, and client More ❯

Cloud Infrastructure Engineer in a Microsoft Azure environment. Strong understanding of Azure AD, M365, Intune, and hybrid network connectivity. Experience with firewalls, VPNs, and security tooling such as Microsoft Sentinel and Sophos. Good scripting or automation knowledge (PowerShell, Terraform, or ARM templates). Exposure to automation and orchestration projects within enterprise settings. Excellent communication and stakeholder engagement skills, comfortable working More ❯

competencies and learning and development framework. Observe Health & Safety policy and procedures. Skills and Experience Palo Alto deployment and configuration experience is a must. Microsoft Defender for Endpoint, Tenable, Sentinel, Zscaler, Tanium and Illiumo would be advantageous. Understanding of network protocols, configurations, deployment and management of routers, switches, and firewalls. Knowledge of cybersecurity principles, including firewalls, intrusion detection/prevention More ❯

. Good understanding of common security frameworks and practices (e.g., MITRE ATT&CK, NIST, ISO 27001). Familiarity with a range of security tools and platforms – experience with Microsoft Sentinel is desirable but not essential. Excellent communication skills – able to liaise confidently between technical and non-technical teams. A consultative mindset with the ability to translate technical findings into meaningful More ❯