1 to 25 of 84 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). 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 ❯

2+ years' experience in rail or major projects. You'll work in a small team carrying out : Install, terminate & test CAT6A Fit & test antennas, racks, cabling & equipment Must have: Sentinel ICI, DBS, ECS/Skill Card, Asbestos Awareness, Face Fit Preferred: PASMA, QUAF, L&E Start ASAP | Ongoing work through 2026 (performance-based) Apply now by contacting Sam Mayo at 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 ❯

Be Working With To be considered, you will need strong experience with: Microsoft Defender Microsoft Defender for Cloud Apps Endpoint Security Identity Security (Conditional Access, Authentication) Desirable experience: Microsoft Sentinel Microsoft Purview Why Join? Join a fast-growing, globally distributed Microsoft consultancy known for quality and innovation. Be part of the fastest-growing division in the business, with genuine progression More ❯

Be Working With To be considered, you will need strong experience with: Microsoft Defender Microsoft Defender for Cloud Apps Endpoint Security Identity Security (Conditional Access, Authentication) Desirable experience: Microsoft Sentinel Microsoft Purview Why Join? Join a fast-growing, globally distributed Microsoft consultancy known for quality and innovation. Be part of the fastest-growing division in the business, with genuine progression More ❯

re looking for: Strong background across servers, networks, and SAN/NAS storage Experience designing and maintaining secure hybrid infrastructure (Azure ideal) Hands-on experience with security tools (Defender, Sentinel, Tenable, Zscaler etc.) Palo Alto deployment/configuration experience is a must Good understanding of firewalls, network protocols, and intrusion prevention Ability to manage vulnerability scanning, incident response, and remediation 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 ❯

Azure Monitor and Log Analytics • Implement proactive maintenance, patching, and backup strategies Desired experience: • 4 - 7 years in cloud engineering or operations, preferably in Azure • Any experience with Microsoft Sentinel or similar SIEM's (nice to have not essential) • Strong understanding of firewall technologies and network protocols (preferred) • Experience in M&A or multi-tenant cloud environments is a plus 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 ❯

and support a small technical team. Requirements 2+ years of experience in a similar cybersecurity role. Strong knowledge of networking, operating systems, and security principles. Experience with SIEM (e.g., Sentinel) and EDR solutions. Working knowledge of Microsoft InTune. Understanding of security frameworks like ISO 27001 or NIST. Familiarity with data protection regulations such as GDPR. Excellent analytical and problem-solving More ❯

and support a small technical team. Requirements 2+ years of experience in a similar cybersecurity role. Strong knowledge of networking, operating systems, and security principles. Experience with SIEM (e.g., Sentinel) and EDR solutions. Working knowledge of Microsoft InTune. Understanding of security frameworks like ISO 27001 or NIST. Familiarity with data protection regulations such as GDPR. Excellent analytical and problem-solving More ❯

Operations (SecOps) and Threat Response: Implementing proactive threat detection and automated security response capabilities. This involves active utilisation of Microsoft Defender for Cloud (for CSPM and CWPP) and Microsoft Sentinel, developing automated security workflows and playbooks using Azure Logic Apps to enforce security policy. Financial Operations (FinOps) and Cost Governance: Accountability for continuous Usage Optimisation, including reviewing resource sizing and 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 ❯

Operations (SecOps) and Threat Response: Implementing proactive threat detection and automated security response capabilities. This involves active utilisation of Microsoft Defender for Cloud (for CSPM and CWPP) and Microsoft Sentinel, developing automated security workflows and playbooks using Azure Logic Apps to enforce security policy. Financial Operations (FinOps) and Cost Governance: Accountability for continuous Usage Optimisation, including reviewing resource sizing and 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 ❯

roles Previous IT Support/Service Desk background One of the following certifications: CompTIA Security, SSCP, CCNA/CCNA Security, or ITIL v4 Desirable Skills & Experience Experience with Microsoft Sentinel SIEM Hands-on exposure to Microsoft Defender XDR Windows, Microsoft 365 and Linux security monitoring/tooling knowledge Vulnerability, phishing, and alert analysis experience Exposure or understanding of ISO27001, NIST More ❯