Site Reliability Engineer (Senior or Staff), Infrastructure Security

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 database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform—the most widely available, globally distributed database 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 database and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and nearly 60,000 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.

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.

Role Overview

We are looking for an experienced Senior or Staff Engineer for our SRE, InfraSec team, to guide the security of our cloud‑based infrastructure. As a Staff SRE, you will be very hands‑on technically while also mentoring a small team of SREs.

The InfraSec team collaborates closely with other engineering teams to ensure that our infrastructure adheres to the highest security standards. They build essential security infrastructure and implement controls that reinforce the platform’s security posture.

This is an SRE team, which means you can expect a highly hands‑on approach, tackling the technical challenges of implementing large‑scale solutions. This team is deeply involved in the technical aspects of security and the nuances of its actual implementation.

Location

• Hybrid basis in Austin, Seattle, or San Francisco offices, or
• Fully remote while working from a location in the Eastern or Central time zones.

Responsibilities

• Help lead the design and deployment of security solutions for cloud platforms (AWS, Azure, GCP), including network and compute security, identity management, and cloud security posture management (CSPM).
• Build automated solutions for real‑time security monitoring, logging, and alerting in cloud environments.
• Leverage native cloud services and third‑party tools for runtime security monitoring and anomaly detection.
• Evaluate, implement, and manage cloud‑native security tools and platforms for endpoint security, identity management (IAM), and CSPM.

Qualifications

• 6+ years of experience in SRE, infrastructure engineering, or a similar role, with a strong focus on security work, and ideally 2+ years in a senior or staff engineering role.
• Comprehensive understanding of all facets of cloud environment security, spanning from foundational OS networking layers to cloud provider configurations.
• Proven experience leading projects within security‑focused areas such as runtime scanning, security observability, CSPM, and more.
• Strong experience with at least one cloud platform (AWS, Azure, GCP), including expertise in IAM, VPC networking, security groups, and cloud security tools (e.g., GuardDuty, Security Hub, CloudTrail).
• Proficiency in at least one programming language (we use Golang but are language agnostic when it comes to hiring) and experience with infrastructure‑as‑code tools (Terraform, CloudFormation, Ansible) to automate security configurations and processes.
• Understanding of underlying Linux and networking concepts, including low‑level fundamentals, and how they work together in complex systems.
• Strong ability to explain complex security concepts to both technical and non‑technical teams.
• Ability to lead a small technical team and ensure success both meeting the team goals as well as personal growth for all team members.

Compensation

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

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