Senior Cloud SRE at OpenX
Krakow, PL

OpenX, a leading provider of digital and mobile advertising technology, seeks a Senior Cloud SRE (Site Reliability Engineer).
Recently we have migrated our entire infrastructure footprint into the Google Cloud Platform (GCP).

You will be primarily responsible for the performance, uptime, and growth of various OpenX systems and services on GCP. Much of your software development focuses on optimizing cloud-native systems, orchestrating cloud infrastructure and eliminating manual work through automation.
Excellent communication skills are crucial in this position so you could successfully interact with globally distributed OpenX teams operating in a 24x7 manner.

Key Responsibilities:

  • Design, write and deliver software to implement and support large web-scale, highly-performant, highly-available infrastructure on GCP/AWS (e.g. Terraform)
  • Monitor infrastructure, respond to incidents, correct and improve systems to prevent incidents, and plan capacity
  • Support system deployments and product releases
  • Tune large-scale clusters for optimal performance and efficiency
  • Working closely with engineering, project management, and operational peers to develop innovative technical tools and solutions
  • Participation in on-call rotation

Minimum Qualifications:

  • Bachelor’s degree in Computer Science, related technical field involving systems engineering, or equivalent practical experience
  • 3+ years of experience working with large web scale systems (Kubernetes, Docker/Containers)
  • Experience in one of the following: Java, Python, Go, Perl, Ruby or shell scripting
  • Good English skills

Desirable Qualifications:

  • Expertise in designing, analyzing and troubleshooting large-scale distributed systems
  • Good understanding of public cloud services and tasks, such as: VPC; load balancing; relational and non-relational datastores (e.g., Google Cloud SQL, Memorystore, AWS RDS); storage (e.g., GCS, AWS S3); monitoring (e.g., GCP Stackdriver, AWS CloudWatch, Prometheus); serverless computing (e.g., GCF, AWS Lambda); and auto-scaling
  • Ability to debug and optimize code and automate routine tasks

What we offer:

  • Free Catered Lunches every Monday, Wednesday and Friday
  • Extra days off
  • Travel allowance
  • Private medical healthcare for you and your relatives
  • Life insurance
  • MultiSport Card
  • Standing desks - all desks at our office are adjustable
  • Snacks & Drinks (healthy options available)
  • SocialX Club
  • Great opportunities to work with your local team as well as with the teams in the US
  • New modern office close to the City Center


Company at a Glance

OpenX is focused on unleashing the full economic potential of digital media companies. We do this by making digital advertising markets and technologies that are designed to deliver optimal value to publishers and advertisers on every ad served across all screens.

At OpenX, we have built a team that is uniquely experienced in designing and operating high-scale ad marketplaces, and we are constantly on the lookout for thoughtful, creative executors who are as fascinated as we are about finding new ways to apply a blend of market design, technical innovation, operational excellence, and empathetic partner service to the frontiers of digital advertising.


OpenX Values

Our five company values form a solid bedrock serving to define us as a group and guide the company. Our values remind us that how we do things often matters as much as what we do.

We are one

One team. No exceptions. We are a group of strong and diverse individuals unified by a clear common purpose.

Our customers define us

We know our business flourishes or dies because of our customers.

OpenX is mine

We are all owners of OpenX. We stake our personal and professional reputations on the excellence of our work.

We are an open book

We are eager to teach and share what we know with others.

We evolve fast

We take risks and confront failure openly. We recognize and repeat success aggressively. We actively seek out and provide constructive criticism. Defensiveness is for weaklings!