KeyStep

Senior Lead Engineer, Observability

MongoDB
Dublin, Ireland
3 days ago
full-timePTO Office of the CTO

Skills & Technologies

BackendSoftware DevelopmentLow-LevelDistributed SystemsSOLIDMongoDBAWSAzureGCPCloudPerformance ManagementCommunication SkillsPeople Management

Job Description

We are seeking a Senior Lead of Engineering to join the Observability team within MongoDB. This is an opportunity to join a team that is responsible for all Observability systems that support operational metrics, visualization, logs, traces, and alerts to monitor the performance and health of our customers' MongoDB deployments. We are looking for a senior leader that is results focused, with high standards, and experience in leading large teams of engineers (or leads) in designing, building and operating complex distributed systems at scale, with strict SLO on security, durability, availability and performance.

Tens of thousands of customers depend on our Observability stack to monitor their database clusters and to generate actionable alerts to safeguard critical workloads. As MongoDB Atlas and its supporting infrastructure continue to experience rapid growth, the demand for high-cardinality observability data for internal and external use cases means we need to continually innovate and scale our systems to the next level. For example, MongoDB Observability systems need to handle 10’s of billions of metrics time series, all whilst processing petabytes of logs, traces, and events.

Our team champions a strong culture of inclusivity, diversity, and collaboration. If you want to be a deeply technical leader on a collaborative team that applies low-level systems expertise to build the foundational infrastructure of a popular database, join us!

We are looking to speak to candidates who are based in Dublin for our hybrid working model.

What you’ll do

Lead and coach a large team of motivated individual contributors (up to 10) or leads who are eager to learn and grow

Contribute to the design, infrastructure and architecture of the high-volume ingestion systems your team develops

Work closely with product managers, program managers, and other engineering teams to specify, prioritize and deliver new features that delight our users, internally and externally

Estimate task complexity, report progress, and voice risks for projects executed by the team

Work with customers and support engineers to fix issues and become part of our on-call rotation

Collaborate with team members and leads to improve the health, design principles and best practices of our codebase and on-call rotation

Drive best practices for monitoring, reliability, and performance of observability services in production.

Actively participate in growing the team by hiring

Foster an inclusive and respectful work environment according to MongoDB's Core Values

We’re looking for someone who

Has at least 8 years of professional software development experience

Has at least 4 years of people management experience and performance management

Has experience with managing larger teams or leads

Has led engineering teams that have built, designed and maintained large scale systems

Can showcase delivering operationally solid systems and strives and can demonstrate examples of a high bar of engineering excellence

Is skilled at writing large-scale, distributed backend systems in a compiled language

Has experience with at least one major cloud provider technology (AWS, Azure, GCP)

Is eager to solve tough problems and debug tricky production outages

Has excellent communication skills

Is curious, collaborative, and motivated

Success Measures

In 1 month, you'll be familiar with the foundational parts of the system, the existing features, and projects within the Atlas Observability team and have contributed minor tasks within our codebase

In 3 months, you will be contributing to design and development of your team’s projects and working on your team’s growth

In 6 months, you and your team will have ramped enough to take on medium sized projects and you will be leading your team towards its product and engineering goals. You will be supporting our customers during escalations and have joined our on-call rotation

About MongoDB

MongoDB is built for change, empowering

Company & Role Analysis

JobSeeker+
Likely perks
Private MedicalPension25+ Days HolidayStock OptionsLearning BudgetFlexible Hours
Culture & working style

Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.

Market salary range

£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)

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