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Senior Site Reliability Engineer

Signal is looking for a Senior Site Reliability Engineer to fill a key role on the operations arm of our engineering team, responsible for our internal infrastructure and that of our client facing products. You must be passionate about building highly scalable and reliable systems, and relentless about driving continuous improvement to help our team create elegant and innovative applications. Even better if you’re an expert with Cassandra.


So, what would you be doing?

  • Design and implement build and deployment systems, infrastructure, environments.
  • Work with the rest of dev to ship code, maintain an amazing infrastructure.
  • Research and deploy best software and hardware in order to make others more productive and our applications at top performance.
  • Build and deploy stuff. Monitor and troubleshoot as needed.
  • Implement infrastructure as code using Python and/or other programming languages
  • Be awesomely vigilant and aware of new security threats. Recommend and implement new security technologies and policies.
  • Monitoring resource utilization, plan for growth. Capacity planning.
  • Database stuff. You’ll advise developers on schema changes, optimize performance.
  • Production support. Yes, this means occasional PagerDuty.


What do we need from you?

  • You foster cooperation, learning and coordination between development and ops functions, and embrace open source practices.
  • Experience monitoring a large distributed system, and a thorough understanding of networking
  • Experience with databases like MongoDB, MySQL, and Cassandra. Especially Cassandra
  • Experience with AWS that extends beyond simple cloud computing.
  • You can read and understand code, regardless of the language.
  • Configuration management experience (We use Puppet, but strong Chef or Salt experience is good, too).
  • Strong shell scripting experience.
  • Experience with build tools, like Fabric or Maven.
  • Experience with Debian GNU/Linux or Ubuntu.
  • Experience implementing log rotation, centralization, and search.
  • You enjoy finding tasks to automate and creating tools for that
  • You identify and lessen performance bottlenecks in real world systems.
  • A solid foundation in computer science with practical experience in data structures, algorithms, and software design.


Bonus points for:

  • Huge bonus if you’ve worked with Cassandra
  • Experience with continuous deployment tools like Jenkins.
  • Working knowledge of JavaScript, Ruby and Java.
  • HAproxy, Nginx, Apache familiarity.


Outside the obviousness of the job, like all Signalites you fall in love with new ideas, can’t stop learning, and are a pretty nice person on top of all of it. You get that even the most fun kind of work is work, consider putting in the hours an obvious necessity, and easily deal with change. You think well beyond what’s asked of you, live and breathe the minutiae of the work.


What’s in it for you:

You will work with others who value culture and treating one another like adults. To support this we offer a competitive salary/bonus with great benefits, like: unlimited PTO, 401k, laptop benefit, health/dental/vision, snacks, parental leave, Hack Weeks, great colleagues.


How to apply:

Interested? Well, send your resume to me, Julia, via the link on this page. The company and team we’re building is important to us, so include a note explaining what you’ve been doing and why you’d make a great addition to our team. Be yourself. We will only respond to people who meet qualifications and on whom we develop a professional crush.

NOTE: We do not work with staffing consultants. Please do not submit candidates to us. 


About us:

Signal is a global leader in real-time, people-based marketing technology. With one platform, Signal’s integrated technology combines data collection, persistent identification, data onboarding and media activation for real-time cross-channel engagement. By leveraging Signal’s platform, brands and publishers gain immediate knowledge of buyers, access to high quality audiences and a simplified activation process to engage consumers within minutes of recognition.

Today, Signal’s technology runs on more than 45,000 digital properties in 158 countries. The platform facilitates billions of data requests monthly, supporting top brands around the world that generate more than $1.5 trillion in commerce, including Allstate, Audi, Crate & Barrel, JetBlue Airways, Starwood Hotels and Resorts, and many more.

Signal has been recognized with numerous awards and honors, including being named one of the fastest growing companies on the 2015 and 2016 Inc. 500 lists. Visit to learn more and follow Signal.


U.S. Equal Employment Opportunity/Affirmative Action Information

Individuals seeking employment at Signal are considered without regards to race, color, religion, sex, sexual orientation, gender identification, national origin, age, marital status, ancestry, physical or mental disability, or veteran status.



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