Senior Security Operations Analyst

3 weeks ago

London, Greater London, United Kingdom Lorien Full time
Position Overview

Senior Security Operations Analyst (Remote)

Compensation - Up to £70,000 (Dependent on Experience) + Shift Allowance Bonus + Comprehensive Corporate Benefits

About the Company: Lorien, a prominent technology Managed Security Service Provider (MSSP), is seeking a seasoned security operations analyst.

Role Summary:

As a Senior Cyber Security Operations Analyst, you will take charge of managing security incidents that have been escalated from Tier 1 or Tier 2 analysts, conducting a thorough business impact assessment on each incident.

Your extensive knowledge of information security technologies will be crucial in triaging threat intelligence from various sources, enriching the context of security incidents, performing in-depth analyses, and recommending appropriate response actions based on the assessed business impact.

You will utilize actionable threat intelligence, including Indicators of Compromise (IOCs) and Tactics, Techniques, and Procedures (TTPs), to conduct proactive threat hunting activities. This will involve leveraging and analyzing data from the Security Information and Event Management (SIEM) system, identifying and investigating potential suspicious activities, and assisting organizations in recognizing, isolating, and addressing security challenges.

Additionally, you will play a key role in the initial deployment of new security-related Microsoft technologies, such as Microsoft Sentinel, Microsoft Defender for Endpoint, Microsoft Defender for Identity, and Defender for Cloud.

Key Responsibilities:

  • Oversee daily operational tasks, including log reviews, management report scheduling, alert analysis, and follow-up on escalations.
  • Stay informed on the latest cyber security trends and intelligence (both open source and commercial) to enhance the security analysis capabilities of the team.
  • Provide mentorship and guidance to Tier 2 and Tier 3 analysts, and assume SOC Manager responsibilities when necessary.
  • Manage a team of analysts, including setting objectives, conducting performance reviews, and overseeing training and development.
  • Participate in on-call arrangements to support Tier 1 analysts during off-hours.
  • Assist in Major Incident Response activities from a Protective Monitoring perspective, aiding teams in identifying, containing, and remediating security threats.
  • Deliver timely advice and guidance on response action plans based on the nature and severity of incidents.
  • Identify and implement enhancements to procedures and processes with the approval of the SOC Manager.
  • Spot opportunities for improvements in SOC and client SIEM platform configurations, including use case development and monitoring rule optimization.
  • Engage in stakeholder and client reporting and communication.
  • Contribute to the architectural design for onboarding new information systems, including assessing, parsing, and onboarding log sources, as well as developing use cases and rules.

Qualifications and Experience:

  • Experience as a Level 3 SOC Analyst or Senior Cyber Security Operations Analyst, or as a Level 2 SOC Analyst with substantial involvement in Level 3 activities.
  • Proficiency in managing Microsoft Sentinel as an MSSP, including Lighthouse and multi-customer environments using DevOps methodologies.
  • Experience in onboarding, tuning, and configuring SIEM solutions.
  • Familiarity with threat intelligence.
  • Demonstrated leadership and mentoring capabilities.
  • Understanding of fundamental concepts related to operating systems and networking.
  • Commercial experience in Penetration Testing and/or Security Monitoring.
  • Knowledge of networking and infrastructure design.
  • Experience with system administration across various platforms (Linux, Windows, Mac).
  • Self-motivated with a flexible approach to work.
  • Excellent interpersonal skills, capable of conveying technical issues to non-technical stakeholders.
  • Strong written and verbal communication skills.
  • Active or ability to obtain Security Clearance.

Preferred Qualifications:

  • IT Certifications such as Network+ and Security+.
  • Protective Monitoring/SOC Certifications, including CySA+.
  • Cyber Security Certifications, such as CISMP and CISSP.
  • Experience with various Microsoft Technologies, including Microsoft Defender for Endpoint, Identity, and Cloud.
  • Familiarity with SIEM platforms, including IBM QRadar, Microsoft Sentinel, and LogRhythm.
  • In-depth experience with Microsoft Sentinel, including use case and rule development, workbook/playbook creation, and KQL & Logic Apps/SOAR.

If your skills and experience align with the requirements for this position, we encourage you to consider this opportunity with Lorien.

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