Zello · 4 hours ago
Senior Site Reliability Engineer
United States
Full-time
Remote
Senior Level
6+ years expZello is a voice-first communication platform focused on enhancing collaboration for desk-less workers. They are seeking a Senior Site Reliability Engineer to improve system observability, performance, and resilience, working closely with platform and application teams.
AppsCommunitiesEnterprise SoftwareInternetMessagingMobile
Responsibilities
Build and maintain monitoring, tracing, and profiling systems that empower teams to measure and improve performance
Partner with cross-organization teams to define SLIs, SLOs, and SLAs that reflect real user experience
Lead efforts to optimize observability, from instrumentation standards to dashboard design
Participate in and help coordinate our on-call rotation, incident response, and post-incident reviews
Continuously evaluate and recommend tools or process improvements to strengthen reliability and reduce alert fatigue
Collaborate on platform improvements that enhance system resilience and developer velocity
Qualification
Required
BSc in Computer Science or equivalent experience
6+ years of experience in site reliability, DevOps, or software engineering roles
Deep understanding of monitoring, alerting, and observability platforms (e.g., Prometheus, Grafana, Loki, OpenTelemetry)
Experience implementing tracing, logging, and profiling for distributed systems
Strong background in incident management, postmortem practices, and reliability metrics
Proficiency in a scripting or backend language (e.g., Python, Go, Bash)
Excellent problem-solving, communication, and collaboration skills
Passionate about eliminating toil and driving continuous improvement in system health
Preferred
Familiarity with Linux, Kubernetes, Terraform, and GCP (preferred) or other major clouds
Benefits
Competitive pay
Equity with significant upside
Flexible schedules and time off
Sabbatical after every five years of service
Ping-pong table
Free snacks in our break room
Company
Zello
Frontline workers save the world everyday. We build technology for them.
51-200 employees
H1B Sponsorship
Zello has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (5)
2024 (1)
2022 (2)
2021 (1)
2020 (1)
Funding
Current Stage
Growth StageTotal Funding
$20.75M2022-06-08Series A· $20M
2022-06-08Debt Financing
2012-01-01Convertible Note· $0.75M
Leadership Team
Alexey Gavrilov
CEO & Founder
Thomas Hutchings
CTO
Recent News
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