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Job TitleSenior Site Reliability Engineer (SRE) – Observability & DevOps
Role SummaryWe are looking for a Senior SRE who will own and evolve our observability and reliability platform. The ideal candidate has strong Linux fundamentals, hands-on experience with modern monitoring stacks, and the ability to design scalable alerting and metrics pipelines for large, distributed systems.
This role requires both deep technical expertise and production ownership mindset.
Primary ResponsibilitiesObservability & Monitoring- Design, implement, and maintain end-to-end observability using:
- Prometheus for metrics collection
- Alertmanager for alert routing, deduplication, and escalation
- Grafana for visualization and dashboards
- AppDynamics for APM, transaction tracing, and application health
- Build actionable dashboards for:
- SLIs, SLOs, and error budgets
- Application, infrastructure, and platform health
- Reduce alert fatigue by implementing signal-based alerting and proper severity models
- Manage and optimize ClickHouse for:
- High-volume metrics, logs, or traces
- Long-term retention and fast analytical queries
- Work on schema design, performance tuning, and cost optimization
- Define and measure SRE best practices (SLIs, SLOs, SLAs)
- Participate in incident response, postmortems, and root cause analysis
- Drive reliability improvements through automation and capacity planning
- Develop tooling and automation using at least one scripting/programming language
- Automate monitoring onboarding, alert generation, dashboard creation
- Improve operational efficiencies across DevOps tooling
- Strong Linux fundamentals
- Troubleshooting, performance tuning, networking, system internals
- Scripting / Programming (Any one or more):
- Python (preferred), Bash, Go, or similar
- Observability Tools (Hands-on):
- Prometheus
- Alertmanager
- Grafana
- AppDynamics
- Data Platform:
- Hands-on experience with ClickHouse
- Metrics vs logs vs traces
- Golden signals (latency, traffic, errors, saturation)
- Alert thresholds, routing policies, escalation strategies
- Kubernetes monitoring (Prometheus Operator, kube-state-metrics)
- Infrastructure as Code (Terraform, Helm)
- CI/CD observability
- Cloud platforms (AWS / Azure / GCP)
- Experience managing observability at scale (100+ services / platforms)
- Ability to architect observability solutions, not just operate them
- Strong production troubleshooting and incident ownership
- Mentoring junior engineers
- Influence DevOps and SRE best practices across teams
- Communicate clearly with developers and leadership
- 5-7 years of experience in SRE / DevOps / Production Engineering
- Experience operating high-availability, large-scale systems
- Proven background in observability-driven reliability improvements
Top Skills
What We Do
Qualys, Inc. (NASDAQ: QLYS) is a pioneer and leading provider of disruptive cloud-based security, compliance and IT solutions with more than 10,000 subscription customers worldwide, including a majority of the Forbes Global 100 and Fortune 100. Qualys helps organizations streamline and automate their security and compliance solutions onto a single platform for greater agility, better business outcomes, and substantial cost savings.
The Qualys Cloud Platform leverages a single agent to continuously deliver critical security intelligence while enabling enterprises to automate the full spectrum of vulnerability detection, compliance, and protection for IT systems, workloads and web applications across on premises, endpoints, servers, public and private clouds, containers, and mobile devices. Founded in 1999 as one of the first SaaS security companies, Qualys has strategic partnerships and seamlessly integrates its vulnerability management capabilities into security offerings from cloud service providers, including Amazon Web Services, the Google Cloud Platform and Microsoft Azure, along with a number of leading managed service providers and global consulting organizations. For more information, please visit http://www.qualys.com
