workable
Information Security Analyst
Fuse Energy
London, GBR
Full-time
Mid
Onsite
Discovered 2 weeks ago
AWSCloudTrailGuardDutyVPC Flow LogsPCAPPython
Free
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AWSCloudTrailGuardDuty
Key Skills for This Role
AWSCloudTrailGuardDutyVPC Flow LogsPCAPPython
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Responsibilities
- Act as an escalation point for IT in areas such as IAM, security, and automation
- Act as the security AI champion, building tools to make everyone's jobs easier
- Own security monitoring end-to-end: build and tune log pipelines from AWS (CloudTrail, GuardDuty, VPC Flow Logs), endpoints, identity providers, SaaS audit logs, and network infrastructure into a coherent detection stack
- Write, test, and maintain detection rules that reduce noise and measure coverage against real attacker behaviour
- Lead incident response from detection through containment, eradication, and post-mortem; own the IR runbooks and keep them tested through tabletop exercises
- Perform forensic analysis on compromised endpoints, cloud workloads, and accounts, preserving evidence properly when it matters
- Work with IT to develop and improve security and IT policies and documentation
- Act as the point of contact for the business on external audits and assessments
- Track threat intelligence relevant to energy, trading, and GPU infrastructure and turn it into detections and hunts
- Run vulnerability management from a threat-led angle: prioritise by exploitability and exposure, and drive remediation through the IT and engineering teams who own the fixes
- Monitor the security of our data centre environments (firewall logs, OOB access, east-west traffic) and flag anything that breaks the segmentation model
- Feed findings back into prevention by working with IT and engineering to close root causes
Requirements
- Background in IT, SOC operations, or other hands-on technical work
- Solid grasp of cloud infrastructure, ideally AWS
- Strong networking knowledge: can read a PCAP, spot beaconing in flow logs, and reason about lateral movement across VLANs and firewalls
- Knows attacker tradecraft (initial access, persistence, privilege escalation, exfiltration) and can map an investigation to it
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