Senior Backend Engineer, Agent Platform — Scalable Security

sentinellabs; United States; Remote; USD 156,000 - 215,000; Full time

Benefits offered by this job

equity awards

a stock purchase plan

flexible time off

paid holidays and sick time

parental leave

health and retirement benefits

wellness support

home office and mobile phone allowance

Job summary

sentinellabs is seeking an experienced engineer to develop and operate core services in an endpoint security agent platform that spans Windows, Linux, and macOS, handling tens of millions of devices and vast security event volumes.

You will combine hands-on distributed systems engineering with production incident response, focusing on reliable, scalable services for policy, configuration, and command delivery across the stack.

Qualifications

• Strong software engineering with a reliability-first approach to production systems.
• Troubleshoot complex distributed systems and lead incidents to resolution.
• Learn unfamiliar services and coordinate fixes across teams.
• Experience building or operating high-volume, highly available services.
• Ownership, autonomy, curiosity to drive ambiguous technical problems to outcomes.

Responsibilities

• Diagnose and resolve urgent production issues across multiple services, building context quickly across unfamiliar systems.
• Lead root‑cause analysis and turn incident findings into lasting improvements to reliability, scalability, observability, and operations.
• Design, build, test, document, deploy, and operate high‑throughput, low‑latency distributed services.
• Maintain and improve existing services through refactoring, feature work, and architectural changes.
• Monitor service health and strengthen operational visibility, stability, and data integrity.
• Translate business needs into robust technical solutions and collaborate across engineering and stakeholder teams.

Skills

Distributed systems

Incident response

High-availability services

Troubleshooting

Ownership

Learning unfamiliar services

Job description

sentinellabs is seeking an experienced engineer to develop and operate core services in an endpoint security agent platform that spans Windows, Linux, and macOS, handling tens of millions of devices and vast security event volumes.

You will combine hands-on distributed systems engineering with production incident response, focusing on reliable, scalable services for policy, configuration, and command delivery across the stack.