Cyber Security Analyst
Viasat · London, United Kingdom · CyberSecurity
About this role
Viasat is hiring a mid-level Security Analyst based in London, United Kingdom. The posting calls out experience with Linux, Security, SIEM, Incident Response.
- Role
- Security Analyst
- Function
- security
- Level
- mid
- Track
- Individual contributor
- Location
- London, United Kingdom
- Department
- CyberSecurity
- Posted
- Apr 21, 2026
More roles at Viasat
Job description
from Viasat careersOne team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team.
What you'll do
The RTO Security Analyst will form part of the frontline 24x7 team that monitors the network for suspicious activity. Analyst will work to protect the organization by detecting and triaging security alerts. The security analyst’s responsibilities will include detailed incident handling across online and on-premises infrastructures, determine attack use cases, following escalation process to contain & mitigate security risks. Security analysts will also need to review & address any detected false positives.
The day-to-day
- Security monitoring, managing security cases & tickets, security incident analysis, and other security tasks.
- Analysing a variety of security logs to identify actionable events (SIEM reports, alerts, tickets, system, network, security monitoring tools)
- Determine the attack type based on the triage of events collected
- Demonstrate analytical & technical thinking when triaging system & network events
- Ensure all incidents are recorded in the corporate case management platform. Cases must contain a detailed triage will all artifacts and IOCS captured & documented