L3 Security Operations Analyst

6 days ago

London, United Kingdom Intaso Full time

Job Title - L3 SOC Analyst


Read on to find out what you will need to succeed in this position, including skills, qualifications, and experience.

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.

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