Senior Infrastructure Engineer
Yammer - San Francisco, CA

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Infrastructure Engineers at Yammer are the essential glue between the various engineering and operations teams. We write code and configuration, perform analysis and optimization, educate and facilitate. We understand better than anyone how the services and systems come together to form (and Voltron).

Improve the scalability, resilience, observability and efficiency of our systems

Code using primarily Ruby

Design, implement and maintain tools, libraries and infrastructure components

Work closely with engineering and operations to design, build, maintain systems

Rapidly debug and solve site problems

Strong skills with Linux/BSD

Strong skills using: Ruby, Java, Perl, Python, JavaScript (2+)

Great debugging and reasoning skills

Demonstrable knowledge of TCP/IP, HTTP, security, SQL databases, key-value stores

Ability to prioritize tasks and work independently

Desired Skills:
Experience with Memcache, Redis, Riak and Postgres

Experience with Chef, Puppet, etc

Experience with Ruby on Rails performance tuning

Experience with JVM performance tuning

Experience building fault tolerant, scalable systems

You are awesome, passionate, and nice