A&O Shearman
Cyber Defence Analyst
Belfast
Posted about 12 hours ago
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Cyber Defence Analyst
We have an exciting opportunity for a Cyber Defence Analyst to join our Information Security team, based in the A&O Shearman’s Belfast office.
What you will do
Investigate Escalations
- Investigate and prioritise Level 2 escalated events and alerts which have been detected through Level 1 monitoring activities by the firm’s MSSP to identify potential incidents.
- Escalate these events further to senior colleagues and appropriate stakeholders when necessary.
- Investigate potential cyber security and data loss incidents raised by firm employees and third parties, following the defined playbooks for the Cyber Defence team.
- Respond to inbound queries to the information security mailbox, consulting with more senior colleagues for advice where required.
Incident Response
- Participate in incident response activities, including CSIRT activities, for confirmed incidents in local time-zone:
- Conduct initial triage and investigation.
- Assist with containment, mitigation, and remediation efforts, ensuring any forensic evidence is gathered and documented appropriately.
- Participate in security incident response exercises and contribute to post-exercise reviews.
- Be part of the Cyber Defence on-call rota, which may require out-of-hours work.
- Pick-up and hand-off incident response activities with the rest of the Belfast Cyber Defence team to other teams in different time-zones across the globe, as per our 24-7 follow-the-sun global model.
- Maintain awareness of current and emerging cyber threats, techniques, and procedures (TTPs) using threat intelligence insights from the Threat and Vulnerability Management team, applying this knowledge in daily operations.
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Tooling And Process Improvement
- Assist with the implementation and enhancement of new and existing cyber defence tools and processes to maximise the effectiveness of the Cyber Defence function.
- Contribute to the maintenance and improvement of playbook and process documentation for Cyber Defence.
Collaboration And Advisory
- Collaborate with other areas of the firm (e.g. wider information security and IT teams) to improve the firm’s security posture by implementing controls and fostering awareness.
- Advise business stakeholders on Cyber Defence, translating complex technical concepts into business-friendly language.
What You Will Have
- At least 1+ years’ experience in a security operations or similar technical security role.
- Operational-level experience in at least two of the following domains; Security engineering, Alert triaging, Rule writing, Incident response, Digital Forensics and Incident Response (DFIR), Threat intelligence and management, Vulnerability management, or Security control testing.
- In-depth understanding of Networking and routing protocols (e.g. TCP/IP) and services (e.g. DNS, SMTP).
- Cyber defence technologies and tooling, including:
- SIEM solutions
- Intrusion Detection/Prevention Systems (ID/PS)
- Threat and vulnerability management platforms
- Endpoint protection
- Firewalls
- Highly analytical mindset with strong problem-solving skills.
- Ability to interpret data flows, assess security events, and draw logical conclusions.
- Excellent written and verbal communication skills.
- Ability to collaborate effectively across technical and non-technical teams.
- High level of personal integrity and ethics, demonstrating an appropriate level of judgement.
- A genuine passion for continuous learning and development in cybersecurity, staying up-to-date with the latest developments, trends, and technologies in the field.
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You will stand out if you have
- Bachelor’s degree in Information Security, Computer Science, Engineering, Technology, or a related field.
- Industry-recognised certifications such as:
- CISSP (Certified Information Systems Security Professional)
- CEH (Certified Ethical Hacker)
- CISM (Certified Information Security Manager)
- CompTIA Security+
- Practical programming or scripting experience, particularly with:
- Python
- PowerShell
NO AGENCIES PLEASE - A&O Shearman does not accept unsolicited CVs. For further information, please see our UK Recruitment Agency Policy and our commitment to direct sourcing here.
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