CircleCI is seeking a Senior Site Reliability Engineer to work closely with our Software Engineers to deliver and manage the high-performance and scalable infrastructure underlying our multi-tenant Cloud offering as well as our Server-installed, on-premises solution. You will not only have the chance to automate and optimize infrastructure through the construction of appropriate tooling, but you will help software engineers through the design phase to optimize their services for scale in our production environment.

The CircleCI SRE team is globally distributed and remote-friendly. We take advantage of multiple timezones to manage a platform for our global customer base.

Working remotely at CircleCI

We’re a distributed company with teammates across the world. We can support you working remotely anywhere in Ireland, the UK or Germany.

What will make you successful:

  • Experience managing a container-based microservice architecture, including orchestration, service-discovery, monitoring, and debugging
  • Understanding of standard networking protocols and components such as: TCP/IP, HTTP, DNS, ICMP, the OSI Model, Subnetting, and Load Balancing
  • In-depth knowledge of operating systems (processes, threads, IPC, concurrency, locks, mutexes, semaphores, etc.)
  • Proficiency in one or more of: Go, Java, Python, C or C++
  • Comprehensive knowledge of the internal workings of at least one of: Postgres, Mongo, Redis
  • Systematic problem solving approach, coupled with a strong sense of ownership and drive
  • Track record of working cooperatively with software engineering teams
  • Focus on security in the delivery of all levels of a system
  • Passion for modern software development and operation, including agile, CI/CD, and infrastructure-as-code
  • Desire to learn and grow
  • 4+ years of experience

What you will do:

  • Design and deliver solutions to improve the availability, scalability, latency, and efficiency of CircleCI’s services
  • Engage in service capacity planning and demand forecasting, anticipating performance bottlenecks
  • Diagnose and resolve production issues in conjunction with software engineering teams
  • Implement shared infrastructure used by all services within the CircleCI platform
  • Support and advise software engineering teams in the design of scalable services
  • Build and maintain tools for deployment, monitoring, and debugging
  • Plan and execute disaster recovery drills
  • Participate in rotating on-call duties, including incident management

CircleCI Engineering Competency Matrix

This role equals level E3 on our Engineering Competency Matrix, our internal career growth system for engineers. These are the minimum expectations for this position, but we are always willing to discuss bringing people on at more senior positions when appropriate. Find more about the matrix in this blog post.

Further content that may be interesting for you:

About CircleCI

CircleCI is the best platform for software teams looking to rapidly build quality projects, at scale. Our intelligent continuous integration and delivery tools are simple yet powerful. Our aim is to provide the wisdom of a connected development ecosystem to every team member making technology decisions.

We run 12M+ builds a month on our platform for companies like Spotify, Kickstarter, Sony, and Coinbase. Over 25,000 organizations and 300,000 developers actively build, test, and deploy on CircleCI.  We’ve raised $59.5M in venture capital from Industry Ventures, Top Tier Capital, Scale Venture Partners, DFJ, Harrison Metal Capital, and Baseline Ventures.

At CircleCI you will be part of a company that values trust, respect, diversity, and inclusion. We are proud to foster a workplace free from discrimination. We strongly believe that diversity of experience, perspectives, and background will lead to a better environment for our employees and a better product for our users. We carefully consider every applicant who takes the time to apply.

We are a globally distributed team working towards the common goal of being the standard bearer for continuous integration and deployment software. We are looking for people who are interested in helping us shape software engineering best practices for the industry as a whole.

CircleCI is proud to be an Equal Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law.

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Demographics

At CircleCI we deeply understand the value of bringing together a team with different perspectives, backgrounds and experiences, and welcome all applicants regardless of race, color, religion, creed, age, national origin or ancestry, ethnicity, sex, sexual orientation, gender identity or expression, disability, military or veteran status.

While the disclosure of your personal information is optional, completely anonymous and not attached to your application, we ask you to consider sharing this information to help us understand who is interested in working here, and help us get better at providing a positive, fair and unbiased experience for all applicants.  We understand that many applicants, especially those of marginalized groups, are often fearful that disclosing this personal information might create a barrier of entry for them.  We want to assure you that your answers will remain absolutely anonymous, and that we will use this data only to help us get better at supporting all candidates as they move through our interview process.

We appreciate your help and for your trust in our efforts to make CircleCI a place of equal opportunity for everyone.

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