Senior Site Reliability Engineer, Fleet Management

About the Role

MongoDB's Platform Engineering team, part of SRE, is seeking a Senior Site Reliability Engineer to join the Fleet Management team. This team is responsible for the end-to-end lifecycle management of MongoDB's Kubernetes fleet, ensuring cluster reliability and security. You will contribute to developing and maintaining a scalable and secure runtime environment on top of Kubernetes that supports product needs across MongoDB. This role involves providing internal support for the Kubernetes ecosystem and participating in a 24/7 on-call rotation.

Location

This role can be based out of our Austin, Boston, Los Angeles, New York City, Raleigh, or San Francisco offices. Remote work is available within the United States, or you can join our European office in Dublin.

Responsibilities

• Contribute to developing and maintaining a scalable and secure runtime environment on top of Kubernetes that supports product needs across MongoDB.
• Provide internal support for our Kubernetes ecosystem, partnering with engineering teams to help them solve domain-specific problems.
• Participate in a 24/7 on-call rotation to resolve critical issues.
• Prioritize blameless post-mortems and dedicate engineering time to systemic fixes, ensuring you aren’t paged for the same issue twice.

Requirements

• 6+ years of experience in software development and operating distributed systems.
• Proficiency in Go, Python, or a similar language, with a strong commitment to code quality and testing practices (writing unit, integration, and E2E tests).
• Deep experience using and extending containerization technologies, preferably Kubernetes.
• Solid understanding of Linux operating system internals and networking concepts (e.g., filesystems, TCP/IP, DNS, TLS).
• Customer-focused mindset, treating internal developers as your primary users.
• Strong operational ownership, including a track record of debugging complex production issues and driving them to resolution.
• Preference for automation over manual processes ("allergic to ops work").
• A strong bias toward building software solutions to eliminate toil.

Strong Candidates May Also Have Experience With:

• Designing and implementing secure, multi-tenant runtime environments from first principles.
• Proficiency with Kubernetes ecosystem tools such as Helm, Kustomize, Gatekeeper, Kyverno, and CRDs/Operators, CRI, CSI.
• Expertise in cloud infrastructure platforms, including AWS, GCP, or Azure.
• Proficiency in provisioning infrastructure using tools like Terraform, Crossplane, and AWS Controllers for Kubernetes (ACK).
• Advanced Linux systems internals and networking concepts specifically relevant to containers, such as namespaces and cgroups.

About MongoDB

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the data platform for the AI era, enabling builders to create, transform, and disrupt industries with software. MongoDB’s unified data platform, the most widely available, globally distributed data platform on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud data platform and is available across AWS, Google Cloud, and Microsoft Azure. With offices worldwide and over 67,000 customers, including 75% of the Fortune 100 and AI-native startups, relying on MongoDB for their most important applications, we’re powering the next era of software. Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it's like to work at MongoDB, and help us make an impact on the world!

Mongodb is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.
Mongodb, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type and makes all hiring decisions without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

Compensation & Benefits

MongoDB’s base salary range for this role in the U.S. is: $127,000 - $249,000 USD.

Other benefits for eligible employees may include: equity, participation in the employee stock purchase program, flexible paid time off, 20 weeks fully-paid gender-neutral parental leave, fertility and adoption assistance, 401(k) plan, mental health counseling, access to transgender-inclusive health insurance coverage, and health benefits offerings. Please note, the base salary range listed and the benefits are only applicable to U.S.-based candidates.