Senior Systems Engineer

Sauce Labs

(San Francisco, California)

Full Time

Job Posting Details

About Sauce Labs

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.

Responsibilities

- 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

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

Ideal Candidate

- 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.

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.