* This role is based onsite in DXC Erskine, Newcastle, Corsham & Farnborough it covers a rotational 24x7 shift pattern
* MUST have at least 6months working experience in SIEM technologies, The Tier 2 Cyber Security Analyst is a mid-Tier position within the Cyber Threat Analysis Centre (CTAC), responsible for advancing the initial work conducted by Tier 1 Analysts and providing more in-depth analysis of potential threats to the organization. This role is crucial in the escalated investigation, triage, and response to cyber incidents while supporting the development and training of Tier 1 Analysts. The Tier 2 Analyst works closely with senior and junior analysts to ensure a seamless SOC operation and acts as a bridge between foundational and advanced threat detection and response functions.
Responsibilities:
* Conduct escalated triage and analysis on security events identified by Tier 1 Analysts, determining threat severity and advising on initial response actions.
* Apply expertise in SIEM solutions utilizing Kusto Query Language (KQL), to perform log analysis, event correlation, and thorough documentation of security incidents.
* Identify and escalate critical threats to Tier 3 Analysts with detailed analysis for further action, ensuring rapid response and adherence to service Tier objectives (SLOs).
* Investigate potential security incidents by conducting deeper analysis on correlated events and identifying patterns or anomalies that may indicate suspicious or malicious activity.
* Use OSINT (Open-Source Intelligence) to enrich contextual data and enhance detection capabilities, contributing to a proactive stance on emerging threats.
* Monitor the threat landscape and document findings on evolving threat vectors, sharing relevant insights with CTAC teams to enhance overall situational awareness.
* Follow established incident response playbooks, providing feedback for enhancements and suggesting updates to streamline CTAC processes and improve threat response times.
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* Coordinate with Tier 3 Analysts and management to refine detection and response workflows, contributing to continuous SOC maturity.
* Collaborate with Tier 3 Analysts on tuning SIEM and detection tools to reduce false positives and improve alert fidelity, submitting tuning requests and testing configurations when necessary.
* Identify gaps in current detection content and work with Senior Analysts to develop and validate new detection rules and use cases tailored to the organization's threat profile. Tier 2 Analyst Roles and Responsiblilties DXC Public 2
* Act as a mentor to Tier 1 Analysts, offering guidance on triage and analysis techniques and facilitating on-the-job training to elevate their technical skills and operational efficiency
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* Assist in training sessions and knowledge-sharing activities, providing feedback on areas for growth and contributing to a supportive learning environment within the SOC. Knowledge and Skills
* Understands advanced networking concepts, including IP addressing, basic network protocols, and how traffic flows within a network.
Advanced knowledge of Windows and Linux operating environments, including standard commands, file systems, and user authentication mechanisms.
* Competence in using SIEM solutions (e.g., ArcSight, Azure Sentinel) for monitoring and log analysis; some exposure to additional analysis tools such as basic XDR platforms.
* Able to demonstrate proficient knowledge using Kusto Query Language (KQL) to search and filter logs effectively.
* Familiar with open-source intelligence (OSINT) techniques to aid in identifying potential threats and gathering information.
* Able to communicate clearly and efficiently with team members and stakeholders, both internally and externally, under direction from senior analysts.
* Can communicate simple technical issues to non-technical individuals in a clear and understandable way.
* Able to create concise, structured reports that outline findings from preliminary investigations and daily monitoring activities.
* Able to manage personal workload effectively to ensure timely completion of assigned tasks within the SOC.
* Willing to collaborate with team members, accepting guidance and learning from more experienced analysts.
* Shows initiative in learning new technologies and techniques, leveraging internal resources and training to grow professionally.
* Able to function efficiently during high-pressure situations, following procedures to ensure consistent performance in incident management. Tier 2 Analyst Roles and Responsiblilties DXC Public 3 Education and Professional Experience
* University Degree/Diploma in Cyber Security or Equivalent experience
* Other IT certifications or experience such as CISSP, COMPTIA CySA+, GCIA, GCIH Desirable
* IT certifications such as CASP or ITIL
* Experience in a SOC or SOC equivalent
* SC / DV clearance Other Requirements
* Full Driving Licence
* Fluent in written and spoken English