Senior Site Reliability Engineer

We are looking for a Senior Site Reliability Engineer (SRE) to join the Site Reliability Engineering team at SentinelOne. This organization’s mission is to keep our uptime promise to our customers by ensuring we meet our SLOs/SLAs, help our engineering teams ship software to our customers fast and with quality, and ensure our customers are successful. We are looking to add a Senior SRE who has experience running incident post-mortems, automating repetitive operational tasks, improving alerting accuracy, and building and refining processes that reduce downtime. You will work closely with cross-functional teams to lead reliability initiatives and bring best practices to our team.

We value good written communication skills, data-driven decisions, and a keen eye for continuous improvements. You’ll help simplify, have a passion for new ideas and know how to execute iteratively toward the final goal. We value candor and collaboration.

What Will You Do?

Primary responsibilities include:

Participate in and help drive incident management for production issues, ensuring rapid recovery and root cause analysis; may lead postmortems

Improve and optimize the observability strategy

Collaborate with application engineering teams to design and implement monitoring solutions that enhance our alerting capabilities and reduce noise

Help define and refine SLOs, SLIs, and SLAs that align with business objectives and customer expectations

Conduct post-incident review, documenting findings and driving follow-up actions to prevent recurrence

Mentor peers and junior engineers in incident response, troubleshooting techniques, and reliability best practices

What Skills and Knowledge Will You Bring?

Ideal candidates will have:

5+ years of experience in Site Reliability Engineering, DevOps, or a related field in cloud native environments

Solid experience troubleshooting complex issues under pressure, using and improving established runbooks

Experience with Kubernetes and container orchestration

Experience with industry standard observability stacks (Prometheus, Grafana, ELK, OpenTelemetry, etc.)

Proficiency in Python and Bash scripting to improve operational workflows and incident response

Familiarity with modern CI/CD pipelines and DevOps practices

Excellent communication skills with demonstrated ability to mentor peers in reliability practices

Why SentinelOne?

AI is redefining how the world operates and rewriting the rules of security in real time, and SentinelOne was built for this moment. From day one, we architected an AI-native platform designed to operate at machine speed, not as an add-on to legacy systems but as the foundation itself. If you want to build where innovation and impact move together, this is that place.

We invest in our Sentinels with comprehensive, competitive benefits designed to support you and your family:

Equity & Rewards

Restricted Stock Units (RSUs)

Employee Stock Purchase Plan (ESPP)

Performance-based bonus

Time Off & Wellbeing

Flexible time off, on top of the standard 5 weeks PTO

Paid company wellness days and fully paid short-term sick/nursing leave

Gender-neutral parental leave

Insurance & Financial Security

Private medical care benefit

Life and disability insurance

Pension Insurance contribution

Global business travel medical insurance

Employee Assistance Program (EAP)

Work Perks & Flexibility

Global home office allowance

Meal allowance

Hybrid work in Prague (Karlin), Brno (Clubco) or remote in CZ/SK. Only Prague-based employees are required to work from the office at least 2 days//week.

Wellness & Lifestyle

Wellbeing allowance

MultiSport benefit program

Wellness Coach app