GSOC L3 - Manila

Willis Towers Watson; Pateros; On-site; PHP 800,000 - 1,200,000; Full time

Job summary

Willis Towers Watson is seeking an experienced L3 SOC analyst to oversee 24/7 cyber defence operations. You will triage alerts, investigate incidents, and coordinate responses to minimise impact across the business.

You will lead investigations, communicate with technical and non-technical stakeholders, and mentor L1/L2 teams while refining playbooks and detection rules to strengthen security posture.

Qualifications

• 6+ years in a mature cyber defence/GSOC environment.
• Strong troubleshooting and analytical skills, able to communicate under pressure.
• Experience leading investigations and coordinating with stakeholders.
• Hands-on with SIEM/UEBA/EDR and incident response.
• Knowledge of attacker techniques and security tooling.
• Proven ability to create actionable incident reports.

Responsibilities

• Oversee monitoring, investigation, containment, and eradication of cyber threats.
• Lead GSOC team via log analysis using SIEM/UEBA/EDR tooling.
• Determine and drive response actions to mitigate threats.
• Escalate/high- priority incidents and ensure timely handling.
• Coordinate with technical and business teams to minimize impact.
• Provide guidance to L1/L2 analysts and conduct handovers.
• Contribute to playbooks, knowledge bases and KRIs.
• Participate in on-call rotation for high-severity alerts.

Skills

Analytical thinking

Calm under pressure

Excellent communication

Leadership

Mentoring & coaching

Problem solving

Stakeholder management

Troubleshooting

Team collaboration

Technical curiosity

Education

MSc in security field

Tools

SIEM

UEBA

EDR

Python

PowerShell

Wireshark

EnCase

X-Ways

Job description

As part of the Cyber Defence team in the Global Security Operations Centre, you will provide oversight of triage, investigation of security alerts and potential security incidents. After a threat or incident is identified, L3 analyst will be responsible in determination of response that should be put into action to mitigate its damage and prevent its spread.

Fast and effective identification and triage of potential incidents is essential for us to protect our critical data and assets, and you will be at the forefront of this exciting area of Cyber Security, protecting the business and our interests daily.

You will need to have a good technical aptitude, a calm approach under pressure, excellent communicative skills to technical and nontechnical audiences, and have a genuine passion for security.

The Role

• Technical: Oversee the monitoring, investigation, containment, and eradication to cyber security threats against our business.
• Lead the GSOC team in seeking out potential security issues through log analysis, and use of tools such as SIEM, UEBA, EDR, etc.
• Responsible in determination of response that should be put into action to mitigate damage and prevent spread of security threats.
• Escalate high priority or high severity alerts/incidents to escalations team and make sure they are monitored and handled according to prescribed processes.
• Ensure that there is a timely response to any cyber incidents to minimise the impact to the business, including interacting with different technical teams and business areas where needed.
• Represent GSOC to incident stand-up calls to assist GSOC Manager.
• Using the latest threat intelligence to adapt your approach to detect the latest threats.
• Ensure the team is working efficiently by identifying tuning opportunities, creating automation playbooks, and optimal use of technology.
• Review and provide technical advice on tuning recommendations submitted by Level 1s and Level 2s. Also, to improve the businesses’ security posture against attackers and threats through fine tuning and rule creation.
• Escalation point to provide process and/or technical advice for Level 1 and Level 2 analysts.
• Perform quality audit for tickets that were handled by Level 2s ensure incidents were handled according to prescribed processes.
• Attend handover calls to support Level 1s and Level 2s, provide advice (process/technical aspect) on alerts/incidents for consultation.
• May also be asked to lead teams/sub teams within the GSOC, as needed.
• Provide on-call support (in rotation with other L3 Analysts). Will be called only when a high priority or high severity alert/incident arise.

Non-Technical

• Ensures there is a balanced capacity and workforce to maintain delivery of a 24 x 7 SOC service.
• Create and produce required regular report for leadership team and meaningful reports to articulate security posture, trends, and patterns.
• Assist L3 Manager to generate raw data for KPIs, submit calculations, record results, and recommend measures to maintain quality performance.
• Line management responsibilities for Level 1s and Level 2s such as performing necessary mentoring, coaching, and corrective actions.
• Help Level 2 analysts to deliver training to mature skills of new joiners or colleagues.
• Conduct regular review of knowledgebases, processes, and runbooks to ensure they are up to date.
• Regularly contribute to the SOC playbooks and knowledgebase with findings from investigations such as different attacker tools, tactics, and procedures which can be applied to future investigations.

Internal

• Strong relationships will be needed with other SOC team members around the globe.
• You will need to work with technical contacts throughout the business to remediate incidents.
• You will need to brief the security leadership team on key incidents.
• You may need to work with other business functions such as Governance Risk & Compliance, Legal, or Audit from time to time

The Requirement

You will be working as part of a 24/7 SOC across different locations and therefore you must be a true team player, with the ability and desire to engage with different internal stakeholders and colleagues to deliver the very highest standards of service and support.

• 6+ Years’ Experience working as part of a mature cyber defence centre or security operations centre.
• To be effective, you need to have great troubleshooting skills, the ability to research problems and the ability to effectively communicate during stressful times, while keeping a cool, calm, and friendly approach when dealing with stakeholders and colleagues.
• Solid time management skills and be dependable.
• Hands on experience of using a SIEM, UEBA, and EDR as a Level 3 security analyst.
• Leading Investigations and comfortable talking to stakeholders and colleagues on both a technical and non-technical level.
• Great verbal and written communication skills, and the ability to write reports in a structured methodology.
• MSc in a security field or equivalent experience working within a security related function.
• To be inquisitive, with a strong sense of personal responsibility for learning and self-development.
• Being able to identify common attack techniques within the context of specific technologies.
• Working knowledge of networking protocols/technologies (e.g. TCP, IP, HTTP/HTTPS).
• Working knowledge of Unix, Linux, and Windows operating systems.
• Exposure to attack and penetration methods and tools.
• Working knowledge or ability to build scripts, tools, or methodologies to enhance our incident investigation and processes (such as Python, PowerShell, Wireshark, etc.).
• Have experience of advanced investigation techniques able to demonstrate 1 or 2 of the following: Network forensic acquisition and analysis (using tools such as Deep Packet Analysis, Wireshark, NetWitness); End-point forensic acquisition and analysis (using tools such as EnCase, X-Ways, Axiom, IEF, FTK); Memory Analysis; Analysis of various security logs (endpoint, security appliances, SIEM); Reverse Malware Engineering

Beneficial

• Any relevant security certifications (CISSP, CISM, SSCP, OCSP, Security+, CySA+, CASP+, GREM, GCIA, etc.).
• Any relevant network certifications (Network +, CCNA, etc.).
• Knowledge of other key IT fields (such as Web Applications, databases, Active Directory, network security systems such as web proxies, firewalls & data loss protection)

WTW is an Equal Opportunity Employer