Senior Site Reliability Engineer at Zello

Austin, Texas, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Technology, Communication, SaaSIndustries

Requirements

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
Familiarity with Linux, Kubernetes, Terraform, and GCP (preferred) or other major clouds
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

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

Skills

SRE

Observability

Monitoring

Tracing

Profiling

Metrics

Logs

Alerting

Incident Response

Postmortem

Performance Tuning

Infrastructure

Kubernetes

Zello

Real-time voice communication app and service

About Zello

Zello offers a push-to-talk (PTT) app that allows real-time voice communication, turning smartphones and devices into walkie-talkies over Wi-Fi or mobile data. The app is particularly useful for industries like transportation, emergency services, and construction, where quick communication is essential. Zello operates on a freemium model, providing basic features for free while offering a subscription service for businesses that need advanced functionalities. The company's goal is to enhance team communication efficiency and safety, ensuring users can stay connected regardless of their location.

Austin, TexasHeadquarters

2012Year Founded

$9.7MTotal Funding

DEBTCompany Stage

Consumer Software, Enterprise SoftwareIndustries

51-200Employees

Benefits

Unlimited Paid Time Off

Flexible Work Hours

Sabbatical Leave

Company Equity

Risks

A recent cyber attack may damage user trust and affect the user base.

Emerging PTT apps offering similar functionalities at lower costs pose competitive threats.

Reliance on partnerships like Siyata Mobile exposes Zello to potential partner instability.

Differentiation

Zello transforms smartphones into walkie-talkies, offering real-time voice communication.

The company serves diverse industries, including transportation, emergency services, and hospitality.

Zello's freemium model caters to both casual users and professional clients.

Upsides

Zello's user base grows by a million users monthly, indicating strong market demand.

The partnership with Siyata Mobile enhances Zello's reach in the first responder sector.

Zello's new SDK facilitates easier integration with mobile applications, expanding its ecosystem.

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