Sr. MDR Analyst

Candidate must reside in Costa RicaFull professional fluency in the English language is required*** 

What will you do?

We’re looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes.

As an MDR Analyst you will be tasked with providing a Managed Detection and Response (MDR) service to our largest customers. Help drive a world class threat monitoring, hunting and response service. Be an integral part of a 24x7 follow-the-sun global SOC, and work with key POCs, and customers, to provide an additional level of security and confidence, by leveraging intelligence feeds, threat logs and IOCs. Collaborate with our world class threat team and researchers, and various RnD teams as you help shape our product, help customers be more secure, and introduce yourself to the cyber tech ecosystem.   

What will you do?

Primary responsibilities include:

• Proactively monitor and review threats and suspicious events from customers participating in the service
• Investigate alerts, triage, deep dive and come up with proper action items and remediation plans.
• Use multiple sources of data from the customer, our intelligence cloud, external threat feeds, etc
• Perform proactive hunting for threat data, leveraging our deep visibility abilities and proprietary research cloud.
• Work with the customer to follow up on items that require additional investigation.
• Provide Incident follow up & support
• Maintain excellent customer satisfaction through professional, proactive and personal service
• Work closely with our research and development team
• Contribute to our knowledge base by creating malware analysis cookbooks and best practices

What skills and knowledge will you bring?

Ideal candidates will have:

• 3-5 years experience with Technical Support, SOC,IR, Malware Analysis, or IT Security is a must
• Strong network and security knowledge is desired
• Experience with SQL, bash, python and powershell
• Professional and articulate with excellent written and verbal communication skills
• Ability to multitask and prioritize
• Multi OS support experience: Windows, Mac & Linux (mobile platforms - an advantage)
• Experience with incident response, computer forensic investigations, or threat hunting is a plus
• Experience with host base (endpoint agent), or sandbox (network based) security solutions is an advantage
• Be able to work a fluid and dynamic schedule to cover hours and days outside of the normal work week

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)

Time Off & Wellbeing

• Flexible time off
• Paid company holidays and paid sick time
• Gender-neutral parental leave
• Grandparent leave

Insurance & Financial Security

• Medical, dental, and vision coverage
• 401(k) retirement plan with company match
• Life and disability insurance
• Health and dependent care FSA
• Voluntary benefits (hospital, accident, critical illness)
• Employee Assistance Program (EAP)
• ARAG pre-paid legal
• Nationwide pet insurance
• Cancer Care program
• Global business travel medical insurance

Work Perks & Flexibility

• Home office allowance
• Mobile phone reimbursement

Wellness & Lifestyle

• Wellness coach
• Wellness/gym reimbursement
• Fertility coverage
• Adoption & surrogacy reimbursement