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Senior Site Reliability Engineer

Cisco Systems, Inc.
United States, Austin
March 24, 2023

About Our Business Group

Cisco Cloud Security is a leading provider of DNS and network security services enabling the world to connect with confidence on any device, anywhere, anytime. We are passionate about efficiently running DNS services as highly available distributed hybrid systems in on-premises datacenters and cloud.


Who we are:

We deliver outstanding DNS based services globally to customers. Our team is responsible for operations, performance, and reliability of our DNS resolvers. Our systems process 500+ BILLION transactions per day. We own these applications end-to-end: architecture, software development, infrastructure, and the operational component. We give the opportunity to learn and innovate in a vast technology space of Routing, Security, Analytics, Telemetry, Distributed System, Machine learning and endless other areas. We strive to build an open and transparent culture where we adopt new ideas with open arms.


Who you are:

We are looking for engineers with experience running large, distributed systems (bonus points for Amazon Web Services.) You will work alongside our current development, system engineering, and performance teams to understand the current architecture and moving pieces. The challenges can be significant. At times, it may mean rewriting or refactoring of an application to automate everything and remove human dependency.

We are committed to getting it done. Properly. The first time.


What You'll Be Doing

Building out and operating our DNS services within AWS GovCloud while staying in sync with all FedRAMP requirements. While it would be great if you already know something about the DNS, as long as you have a basic understanding and willingness to learn, we are always happy to instruct new team members the ropes. We also want to know that you've been responsible for time sensitive, critically important systems with a high attention to detail. Our services are the heart of the Cisco Umbrella product, and we take ownership of that very seriously -- our internal and external SLOs are high. You have demonstrated all the vital skills to build and run these systems over the course of your career -- this isn't your first rodeo.


Our tech stack.

These are some technologies that we are using to operate and improve our platform:

  • Linux (Debian)
  • AWS (EC2)
  • Python / Rust
  • Ansible
  • Nagios, Grafana
Minimal Qualifications
  • 3+ years of Linux systems admin and debugging experience
  • 2+ years of server infrastructure experience
  • 2+ years of working with configuration management systems (Ansible, Saltstack, Chef, Puppet)
Preferred Qualifications
  • Experience running services in cloud (AWS/AWS GovCloud preferred), cloud compute, object storage and serverless design.
  • Knowledgeable of TCP/IP core concepts, Internet routing, packet tracing and analysis
  • Experience with workflow and CI/CD tools like Rundeck and Jenkins
  • Experience scripting or programming in Python or other language (Go, Rust, C/C++)
  • Extensive knowledge of monitoring and observability concepts (Example: SLIs, SLOs, Error Budgets)

Why Cisco Secure

We're global, we're adaptable, we're diverse, and our security portfolio is as extensive as it is groundbreaking. Have you heard of Threat, Detection & Response, Zero Trust by Duo, Common Services Engineering, or Cloud & Network Security? Those are only a few of our product teams! The only thing we're missing is YOU.

Join an enterprise security leader with a start-up culture, committed to driving innovation and giving you the opportunity to make an impact. We #InnovateToWin and we know we're better together, that's why we're dedicated to inclusivity, collaboration, and diversity in everything we do.

We're proud to be the Best Small and Mid-Size Enterprises Security Solution Cisco Secure continues to grow and evolve year after year with 100% of Fortune 100 Companies using our products, and we're excited to see the new heights we'll reach with your passion for security, your customer focus, and your desire to change things up!

"Cisco Secure offers an environment that combines cutting-edge, mission-critical, technology with some of the brightest, most diverse set of people I've ever had the pleasure of working with." - Chief of Staff, Engineering

There are so many amazing reasons to join Cisco. Learn more !


#CiscoSecureEng23

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