Senior DevOps Engineer

Ajax Systems

Job Overview

Location

Kyiv

Job Type

Full-time

Full Job Description

📋 Description

• Lead, mentor, and grow a team of DevOps and Platform Engineers by setting technical priorities, supporting hiring, providing feedback, and fostering a culture of ownership and engineering excellence.
• Own and evolve the Kubernetes platform including cluster architecture, deployment standards, autoscaling, reliability, security practices, and developer experience across AWS EKS environments.
• Improve CI/CD and GitOps workflows using Argo CD or Flux and Helm/Kustomize to make deployments safer, more repeatable, and accessible for engineering teams.
• Collaborate closely with engineering, product, security, and operations teams to align infrastructure improvements with business objectives and product roadmaps.
• Identify and eliminate bottlenecks in the software delivery lifecycle, platform operations, and production support processes to enhance system throughput and team efficiency.
• Strengthen platform security through access management, secrets management, network controls, compliance requirements, and implementation of secure-by-default practices.
• Build and enhance proactive observability systems using tools like Datadog, Grafana, VictoriaMetrics, ELK, or Opsgenie to monitor metrics, logs, alerts, SLOs, and drive incident investigation and post-mortem improvements.
• Drive cloud cost optimization initiatives by analyzing infrastructure usage, providing actionable recommendations, and improving efficiency across AWS services including EC2, RDS, ElastiCache, S3, Lambda, and CloudFront.
• Participate in production on-call rotations for critical incidents while continuously reducing operational toil through automation and system hardening.
• Design and implement disaster recovery plans, backup strategies, and production fire drills to ensure high availability and resilience of the cloud infrastructure supporting 4.5 million users.
• Automate infrastructure provisioning and configuration using Terraform/Terragrunt and ensure infrastructure-as-code is version-controlled, auditable, and scalable.
• Maintain deep expertise in Linux systems and TCP/IP networking to troubleshoot complex production issues and optimize network performance and security.
• Implement and enforce secrets management and credential rotation practices to safeguard sensitive data and comply with enterprise security standards.
• Contribute to the evolution of the global cloud infrastructure that supports 280 IoT devices, mobile and desktop apps, and server systems serving 150,000 installers across 180 countries.
• Ensure uptime and reliability of infrastructure critical to the safety of users and their property, where system failures directly impact physical security and emergency response capabilities.
• Promote a collaborative, flexible, and common-sense corporate culture focused on engineering excellence and meaningful impact on global safety.

🎯 Requirements

• 5+ years of experience in DevOps, Platform Engineering, SRE, or Cloud Engineering, including 2+ years in a lead or senior ownership role
• Strong hands-on experience with Kubernetes (preferably AWS EKS), including cluster operations, networking, autoscaling, workload reliability, and security best practices
• Solid AWS experience with services including VPC, IAM, EC2, RDS, ElastiCache, Route 53, Lambda, Load Balancers, CloudFront, and S3
• Experience with Infrastructure as Code using Terraform/Terragrunt and GitOps workflows using Argo CD or Flux with Helm/Kustomize
• Strong Linux and TCP/IP networking knowledge with proven ability to troubleshoot production systems
• Experience with observability tools such as Datadog, Grafana, VictoriaMetrics, ELK, or Opsgenie for metrics, logs, alerts, and SLOs

🏖️ Benefits

• Working with a team to build the future of an industry-leading security technology ecosystem
• Non-trivial challenges and a wide variety of interesting technical tasks
• Flexible, friendly, and collaborative work environment
• Corporate culture based on common sense and engineering ownership
• Opportunities to influence the creation and quality of new products
• Contribute to a global product that ensures people’s lives are calm and the world is safe

Skills & Technologies

PostgreSQL

MySQL

MongoDB

AWS

Kubernetes

DevOps

Senior

Onsite

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Ajax Systems

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About Ajax Systems

Ajax Systems specializes in developing and manufacturing advanced wireless and wired security systems, providing integrated solutions for intrusion protection, video surveillance, fire and life safety, and comfort automation. Their comprehensive product ecosystem, including smart hubs, diverse detectors, cameras, and control devices, caters to a broad spectrum of clients from residential homes and apartments to commercial spaces like offices and retail stores, and even industrial and municipal facilities. With a notable reach, Ajax Systems boasts over 4,000,000 people worldwide under its protection, underscoring its global impact and reliability in delivering cutting-edge security technology to diverse environments.

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