Description

This role involves supporting the delivery of our managed security services through BDO Digital's global 24/7 MDR capability, with assistance from a dedicated local UK team. The individual in this position will collaborate closely with the UK operations manager and an extensive pool of analysts. Key responsibilities include triaging security alerts, conducting advanced threat hunting activities, and continuously improving detection capabilities within the MDR service. The role demands a proactive approach to identifying potential security threats, refining alert mechanisms, and ensuring robust protection against emerging cyber threats. Additionally, the individual will contribute to the development and implementation of best practices, fostering a secure and resilient operational environment.

Requirements

RESPONSIBILITIES:

As a L3 Analyst you will:

Respond to alerts raised by L1/L2 analysts, as the technical escalation point
QA of investigations and notification and direct L1/L2 accordingly
Perform detailed analysis and undertake an in-depth investigation into potential and confirmed security incidents
Raise incidents where necessary and supporting the SOC manager throughout true positive incidents
Conduct threat hunting across client environments
Review and action alerts flagged as tuning candidates
Help develop and mentor junior members of staff
Lead the delivery of SOC/MDR projects
Respond to SOC/MDR client's requests, concerns and suggestions
On-board log sources and work on log issues.
Fine-tune SIEM/EDR platforms to exclude noise and false positives
Analyse, define and manage the delivery of new SIEM rules
Conduct use case testing and modify/create as and when required
Support UK operations manager in client engagements and/or service meetings
Support and develop new SOC playbooks and processes
Conduct presentations and updates to the client
Respond to incident escalations and provide solid recommendations
Conduct threat hunting exercises on SIEM and EDR platforms
Develop and improve processes for monitoring and incident qualification

REQUIREMENTS

Essential:

3 to 5 years experiences as a L3 SOC Analyst/Senior Security Operations professional.
Experience onboarding, tuning, reporting and configuring SIEM solutions
Understanding of low-level concepts including operating systems and networking.
In-depth experience with one or more Security and Event Management and XDR Solutions
Understanding of one or more system administration (Linux, Windows, Mac)
Actionable knowledge of MITRE ATT&CK framework.
Excellent interpersonal skills with the ability to explain technical problems to non-technical business stakeholders at all levels
Strong written and oral communication skills

Preferred:

In-depth experience with Microsoft Sentinel, including use case and rule development, workbook/playbook creation, KQL, logic apps/SOAR.

Qualifications (Essential)

Qualifications (Preferred)

Experience with various Microsoft technologies, including Microsoft Defender for Endpoint, Identity and Cloud.
Cyber Security Certifications such as CISSP, Security+, CySA +
MS SC200

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