# Staff Engineer

**Company:** [MongoDB](https://hotfix.jobs/companies/mongodb)
**Location:** Dublin, Ireland, Cork, Ireland
**Role:** DevOps / SRE
**Experience:** 10+ years
**Skills:** Go, Java, C, C++, Victoriametrics, Grafana, Splunk, Apache Flink, Kafka, Warpstream, Fluent Bit, OpenTelemetry, Performance Profiling, Multithreaded Programming, Database Internals
**Posted:** 2026-08-12

> Staff Engineer responsible for architecting and operating MongoDB’s large-scale observability collection and ingestion infrastructure. The role requires 10+ years of experience with distributed or highly concurrent systems, expert programming skills, and strong database, performance, and systems fundamentals.

## Job Description

## Responsibilities
- Build and architect systems for the mission-critical observability platform, leading components that improve performance, scalability, cost efficiency, and resiliency.
- Design and implement observability improvements that help engineers and customers diagnose production issues.
- Handle production customer escalations and coach teammates.
- Write production-ready database code, improve existing code, and mentor engineers on code quality.
- Own Observability Team code areas, maintaining high standards for security, durability, availability, performance, and maintainability.
- Diagnose test failures, identify and fix bugs, and prevent regressions.
- Investigate performance impacts of code changes.
- Interview candidates for advanced software engineering positions.
- Maintain expertise in database and observability developments.
- Lead development and project management for large company-wide projects.
- Collaborate with stakeholders, engineering teams, Product Management, and Engineering leadership on initiatives, technical direction, and roadmaps.
- Improve unit and integration tests.
- Work with customers and support engineers and participate in the on-call rotation.

## Requirements
- Minimum 10 years of experience designing, programming, debugging, and tuning distributed or highly concurrent mission-critical software systems.
- Expert-level programming experience with Go, Java, C, or C++.
- Experience running latency-sensitive, high-throughput systems.
- Strong systems fundamentals, including multithreaded programming and performance profiling.
- Familiarity with database internals or core components for data-processing systems.
- Familiarity with observability ecosystems and best practices.
- Excellent technical communication and collaboration skills, including mentoring engineers.
- Strong time and project management skills.
- Understanding of information security management.

## Nice to Have
- Indexing or database performance-tuning experience.

## Compensation and Benefits
- MongoDB provides employee support and benefits including employee affinity groups, fertility assistance, and parental leave.
- The role uses a hybrid working model and is intended for candidates based in Dublin.

## Similar jobs

- [Staff Software Engineer - CI Services](https://hotfix.jobs/jobs/f87e3e53-25f8-4ee6-afc7-6cd7323f816a) - Stripe - Dublin, Ireland
- [Staff Engineer, Compute](https://hotfix.jobs/jobs/40e7edfb-b0b0-435d-98a4-dfe0ee698ab5) - Datadog - Dublin, Ireland
- [Staff Production Engineer](https://hotfix.jobs/jobs/dba171ac-51ff-418e-adee-6dd4f492be0c) - Crusoe - Dublin, Ireland
- [Senior/Staff Kubernetes Infrastructure Engineer](https://hotfix.jobs/jobs/5276ef82-8104-4269-8e3f-7f0e02d35c2d) - Fal - Remote - $180k – $250k/yr
- [Staff DevOps Engineer](https://hotfix.jobs/jobs/068f9359-1166-4505-a68a-6b5d7300d88a) - Phantom - Remote

**Apply:** https://hotfix.jobs/jobs/f52aa60d-1050-4098-b8d2-d4b9588b8cae
**Canonical:** https://hotfix.jobs/jobs/f52aa60d-1050-4098-b8d2-d4b9588b8cae