Senior Systems Engineer

Sauce Labs provides the world’s largest cloud-based platform for the automated testing of web and mobile applications. Its award-winning service eliminates the time and expense of maintaining an in-house testing infrastructure, freeing development teams of any size to innovate and release better software, faster.

- Write tools and scripts to provide automation and self service solutions for ourselves and other teams - Design new systems to support production services - Install, configure and debug hardware and systems in our data center - Creatively solve scale challenges regarding a rapidly expanding cloud environment - Work with real hardware - high density Cisco UCS B-series blades and C-series rack-mount servers, Nexus networking (10Gb+ core network), storage (NAS and SAN), Mac-in-a-datacenter, custom appliances for mobile devices, load balancers, and beyond - Help improve monitoring and identify key performance metrics - Proactive R&D - discovering and implementing new tools, emerging technology, etc. - Disaster recovery design, implementation, and maintenance - Create NOC runbooks, procedures, documentation, and diagrams of the environments you manage - Troubleshooting and resolution of server/network issues - Help maintain hardware in Sauce’s colocation facilities - Help build out new data centers around the globe - Participation in 24x7 on-call rotation

- 3+ years recent experience working as a Linux administrator/engineer at scale (hundreds of systems) and designing/deploying ‘highly available’ solutions - 2+ years of recent professional experience designing, developing, and operating Configuration Management solutions such as Chef, Puppet, Salt (preferred), or Ansible (preferred) at scale - Solid experience in Linux tuning, profiling, and monitoring - Strong skills in at least one language: Python (preferred), Ruby, Bash Bonus points for: - Experience deploying/managing KVM-Qemu and LXC - Solid understanding of cloud/networking/distributed computing environment concepts; including TCP/ IP connections, firewalls, VLANs, etc. - Experience and understanding of contemporary metrics, monitors, and logging solutions especially statsD, Graphite, ELK, Splunk, Nagios, etc. - Provisioning and automation with Cisco Unified Computing System Manager - Highly organized, able to multi-task, able to work individually, as well as within a team, and across teams - Excellent communication skills, both verbal and written across all user levels - Deployment automation in physical and virtual environments (PXE, Cobbler, MAAS (preferred)) - Working knowledge of load balancing technologies (hard/soft) - Proven experience collaborating in a cross functional team environment - Familiarity with software engineering practices, including n-tier architecture, configuration management, development methodologies (e.g. agile, waterfall, spiral, prototyping), etc.