L3 Security Operations Analyst

Job Title - L3 SOC Analyst Location - London (Office based role near Edgeware Road) Job Type - Full Time - Permanent Salary - £55,000 to £60,000 A key client of Intaso's are in need of an L3 SOC Analyst to join the team in a period of growth. This is a chance to join a fantastic business with a team of 65. Responsibilities Respond to alerts escalated by other analysts as the technical point of contact. Conduct quality assurance of investigations and notifications, providing guidance to junior team members. Perform in-depth analysis and investigation of potential and confirmed security incidents. Escalate incidents when necessary and support management during significant security events. Engage in threat hunting activities across various environments. Investigate incidents and respond to key client requests. Review and take action on alerts identified for tuning. Mentor and develop junior staff members. Lead the technical delivery of new security operations projects. Address client requests, concerns, and suggestions related to security operations. Manage log sources and resolve log-related issues. Fine-tune security platforms to reduce noise and false positives. Develop, analyse, and manage new monitoring rules. Conduct testing and modification of use cases as needed. Support operational management in client engagements and service meetings. Develop and refine security operations playbooks and processes. Present updates and conduct briefings for clients. Respond to incident escalations and provide recommendations. Conduct threat hunting exercises on security platforms. Improve processes for monitoring and incident qualification. Essential: Over 5 years of experience in security operations. Experience with SIEM solutions, including onboarding, tuning, reporting, and configuration. Proficient in Microsoft Sentinel, including development of use cases, rules, workbooks, playbooks, and using KQL and SOAR technologies. Strong understanding of operating systems, networking, and system administration (Linux, Windows, Mac). Knowledgeable in the MITRE ATT&CK framework. Excellent interpersonal skills, capable of explaining technical issues to non-technical stakeholders. Ability to train and coach junior team members. Strong written and verbal communication skills.