Position: Senior Site Reliability Engineer
Company: CMP
Category: Sysadmin
Experience required: 5y
English level: fluent

A global programmatic advertising platform with specialized healthcare expertise, fuses the science of programmatic targeting, distribution and optimization with the art of brand engagement. The platform is powered by terabytes of impression-level data, allowing brands to efficiently engage the right audiences at scale while helping publishers increase yield through actionable insights.

What you'll be doing:
Ensure reliability and scalability of our multi datacenter and hybrid Linux environments
Managing the large-scale Linux infrastructure to ensure maximum uptime
Performance and reliability testing. This may include reviewing configuration, software choices/versions, hardware specs, etc.
Advancing our technology stack with innovative ideas and new creative solutions
Participating in capacity management of core systems and services, application analysis and performance and security tuning. Provide operational support of systems and build automation to remediate and address the root cause; with the goal of automating response to all non-exceptional service conditions.
Create strategies for long term permanent fixes to critical production incidents.
Maintain documentation, build tooling, and create alerts to both identify and address infrastructure reliability.
Proactively identify system anomalies.

Requirements
Thorough understanding of Linux (we use CentOS in production)
Deep understanding of Puppet configuration management tool
You know what git is and can easily resolve a merge conflict
Advanced knowledge of K8s and its ecosystem
Experience administering SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, ES)
Experience with scalable infrastructure monitoring solutions such as Icinga, Prometheus, ELK
Any scripting language (Python/Ruby/Shell etc)
Understanding of basic networking concepts (TCP/IP stack, DNS, CDN, load balancing)

Bonus, but not required:
AWS / VMWare
Cassandra
Mesosphere stack
Train/mentor junior-level staff
Experience in AdTech or High-Frequency Trading a plus
Experience with Security-related best practices a plus