New

Intermediate Site Reliability Engineer, Datastores : Database Reliability

Remote

GitLab is an open core software company that develops the most comprehensive AI-powered DevSecOps Platform, used by more than 100,000 organizations. Our mission is to enable everyone to contribute to and co-create the software that powers our world. When everyone can contribute, consumers become contributors, significantly accelerating the rate of human progress. This mission is integral to our culture, influencing how we hire, build products, and lead our industry. We make this possible at GitLab by running our operations on our product and staying aligned with our values. Learn more about Life at GitLab.

An overview of this role

 

Site Reliability Engineers (SREs) are responsible for keeping all user-facing services and other GitLab production systems running smoothly. SREs are a blend of pragmatic operators and software craftspeople that apply sound engineering principles, operational discipline, and mature automation to our environments and the GitLab codebase. We specialize in systems, whether it be networking, the Linux kernel, or some more specific interest in scaling, algorithms, or distributed systems.

The Database Reliability Team's mission is to build, run and own the entire lifecycle of the PostgreSQL database engine for GitLab.com. The team is focused on owning the reliability, scalability, performance & security of the database engine and its supporting services. The team should be seeking to build their services on top of Reliability::Foundations services and cloud vendor managed products, where appropriate, to reduce complexity, improve efficiency and deliver new capabilities quicker. 

GitLab.com is a unique site and it brings unique challenges–it’s the biggest GitLab instance in existence. In fact, it’s one of the largest single-tenancy open-source SaaS sites on the internet. The experience of our team feeds back into other engineering groups within the company, as well as to GitLab customers running self-managed installations

Responsibilities

  • Automating every operational task is a core requirement for this role. For example, package updates, configuration changes across all environments, creating tools for automatic provisioning of user facing services, etc.
  • Responding to platform emergencies, alerts, and escalations from Customer Support.
  • Ensure systems exist to manage software life-cycles (e.g. Operating Systems) with a minimum of manual effort.
  • Develop a fully automated multi-environment observability stack based on the existing SaaS system, and extend it to predict capacity needs based on the usage patterns.
  • Plan for new service roll-outs, expansion and capacity management of existing services, and work with users to optimise their resource consumption.

As an SRE you will:

  • Work on database reliability and performance aspects for GitLab.com from within the SRE team as well as work on shipping solutions with the product.
  • Analyze solutions and implement best practices for our main PostgreSQL database cluster and its components.
  • Work on observability of relevant database metrics and make sure we reach our database objectives.
  • Work with peer SREs to roll out changes to our production environment and help mitigate database-related production incidents.
  • OnCall support on rotation with the team.
  • Provide database expertise to engineering teams (for example through reviews of database migrations, queries and performance optimizations).
  • Work on automation of database infrastructure and help engineering succeed by providing self-service tools.
  • Use the GitLab product to run GitLab.com as a first resort and improve the product as much as possible.
  • Plan the growth of GitLab's database infrastructure.
  • Design, build and maintain core database infrastructure pieces that allow GitLab to scale to support hundreds of thousands of concurrent users.
  • Support and debug database production issues across services and levels of the stack.
  • Make monitoring and alerting alert on symptoms and not on outages.
  • Document every action so your learnings turn into repeatable actions and then into automation.

You may be a fit to this role if you:

  • Have strong engineering experience deploying, managing and scaling PostgreSQL in large and dynamic production SaaS environments
  • Possessing an in-depth understanding of PostgreSQL internals, including architecture, storage, indexing, and query optimization
  • Have solid experience operating PostgreSQL databases in a containerized environment using Kubernetes and modern operators from CloudNativePG, Crunchydata or Zolando
  • Have solid understanding of Kubernetes architecture and experience with Kubernetes clusters in production
  • Have strong experience with infrastructure automation and configuration management (Chef, Ansible, Puppet, Terraform…)
  • Experienced with CI/CD pipelines and infrastructure as code (IaC) practices.
  • Have solid experience monitoring and logging tools for database and container orchestration environments (e.g., Prometheus, Grafana, ELK stack)
  • Share our values, and work in accordance with those values
  • Have excellent written and verbal English communication skills, with an urge to collaborate and communicate asynchronously
  • Have an urge to document all the things so you don't need to learn the same thing twice, and an urge for delivering quickly and iterating fast
  • Have a proactive, go-for-it attitude. When you see something broken, you can't help but fix it
  • Bonus: Strong programming skills as a (former) backend engineer - Preferably with Ruby and/or Go.

Projects you could work on:

  • Cells
  • Review, analyze and implement solutions regarding database administration (e.g., backups, performance tuning)
  • Work with Ansible, Terraform, Chef and other tools to build mature automation (automatic setup new replicas or testing and monitoring of backups).
  • Implement self-service tools for our engineers using GitLab ChatOps.
  • Provide technical assistance and support to other teams on database and database-related application design methodologies, system resources, application tuning.
  • Review database related changes from engineering teams (e.g., database migrations).
  • Recommend query and schema changes to optimize the performance of database queries.
  • Jump on a production incident to mitigate database-related issues on GitLab.com.
  • Participate actively in the infrastructure design and scalability considerations focusing on data storage aspects.
  • Make sure we know how to take the next step to scale the database.

Country Hiring Guidelines: GitLab hires new team members in countries around the world. All of our roles are remote, however some roles may carry specific location-based eligibility requirements. Our Talent Acquisition team can help answer any questions about location after starting the recruiting process.  

Privacy Policy: Please review our Recruitment Privacy Policy. Your privacy is important to us.

GitLab is proud to be an equal opportunity workplace and is an affirmative action employer. GitLab’s policies and practices relating to recruitment, employment, career development and advancement, promotion, and retirement are based solely on merit, regardless of race, color, religion, ancestry, sex (including pregnancy, lactation, sexual orientation, gender identity, or gender expression), national origin, age, citizenship, marital status, mental or physical disability, genetic information (including family medical history), discharge status from the military, protected veteran status (which includes disabled veterans, recently separated veterans, active duty wartime or campaign badge veterans, and Armed Forces service medal veterans), or any other basis protected by law. GitLab will not tolerate discrimination or harassment based on any of these characteristics. See also GitLab’s EEO Policy and EEO is the Law. If you have a disability or special need that requires accommodation, please let us know during the recruiting process.

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