Senior DevOps Engineer at Sigma Software

We are looking for an experienced and driven Senior DevOps Engineer to help us take our cutting-edge mobile advertising platform to the next level. Join a supportive and innovative group of DevOps professionals dedicated to delivering next-generation solutions! 

In this role, you will lead the way in building, optimizing, and maintaining a robust hybrid infrastructure designed to support high-performance, low-latency systems. You will work closely with our software development and product teams to ensure our systems are secure, scalable, and reliable, playing a pivotal role in advancing a state-of-the-art advertising ecosystem.

CUSTOMER

The Customer is a leading US-based provider of advanced solutions for the mobile advertising industry. Their mission is to redefine digital advertising by leveraging AI-driven technology and innovative creative strategies to address the challenges of an evolving digital ecosystem. 

PROJECT

The project focuses on building a future-proof mobile advertising platform that thrives in a cookie-less and ID-less environment. By combining contextual intelligence and dynamic creative optimization, the platform delivers engaging, personalized, and scalable ad experiences. The engineering is instrumental in enabling this transformation. They use state-of-the-art machine learning and DevOps practices to build high-performance, low-latency systems that operate seamlessly across hybrid environments. 

• Design, implement, and maintain a hybrid infrastructure comprising AWS and on-premises environments, ensuring scalability, high performance, and reliability 
• Manage and optimize bare-metal servers and network security appliances for maximum efficiency and security 
• Build and maintain automated workflows using Ansible and Terraform, and develop robust CI/CD pipelines with GitHub Actions for efficient software delivery 
• Deploy, manage, and optimize Kubernetes clusters (EKS, Kubespray, Rancher) to support containerized applications across a hybrid environment 
• Manage databases and configure load balancers to ensure high-performance 
• Implement monitoring solutions with Prometheus and Grafana, and manage logging systems to ensure system reliability 
• Work closely with international teams to improve system architecture, align technical solutions with business needs, and stay updated on industry trends like openRTB and AdTech innovations 

• At least 5 years of experience as a DevOps Engineer in managing scalable, high-performance systems 
• Strong datacenter experience with bare-metal servers (e.g., Dell R series) and network security systems (e.g., Fortinet) 
• Extensive Linux, Ubuntu, and CentOS experience 
• Advanced experience in Ansible and AWS with Terraform as IaC 
• Expertise in Kubernetes, EKS/K8s vanilla based on Kubespray/Rancher 
• Proficiency in Nginx and HAProxy 
• Proven expertise with CI/CD pipelines using GitHub Actions 
• Strong knowledge of SQL and NoSQL systems like MySQL, Aerospike, Memcache, and Redis 
• Understanding of Hadoop, Spark, and Databricks 
• Familiarity with Prometheus, Grafana, Loki, and Longhorn 
• At least an Upper-Intermediate level of English 

Would be a plus:  

• Understanding of openRTB protocols and experience with DSP/SSP/Ad exchange 
• Strong interpersonal skills and ability to work effectively in a remote, collaborative international team