Position: DevOps Tech Lead (Kubernetes)
Company: Ajax Systems
Experience required: 5y
English level: intermediate

Ajax Systems is a Ukrainian full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications.

**Ajax Systems** is an international technology company, the largest developer and manufacturer of security systems in Europe.

The startup, created in 2011 in Ukraine, scaled into an international product company. Ajax security systems protect more than 1.5 million users in 130 countries. The company works with 150,000 installers in key markets.

Ajax Systems has a central office, an R&D department, and two full-cycle productions in Ukraine; the representative offices in the UAE (Dubai), Great Britain, Italy, Spain, and teams in many other regions; and a logistics hub in Poland.

The company has more than 2,200 employees, including 500 development engineers and 1,200 production workers.

Ajax products are a whole ecosystem of 70 devices, mobile and desktop apps, and server infrastructure.

The product line includes control panels, motion detectors, opening detectors, flood prevention, fire detectors, street and home sirens, alarm buttons with the appliances control function, smart sockets, and relays.

Our infrastructure is a part of the product that is invisible to the end user, but critical to the life of the entire system. The safety of our users and their property depends on our uptime. We are constantly developing our cloud solutions and this requires automating our infrastructure, testing and improving its fault tolerance. Now the main task is infrastructure migration to the Kubernetes. For this purpose we are looking for DevOps Tech Lead (Kubernetes).

Requirements:
- 3+ years of experience with Kubernetes (AWS EKS).
- Experience with creating/managing a GitOps pipeline using ArgoCD.
- Experience with service mesh tools like Istio, LinkerD etc.
- 4+ years of experience with managing Linux-based systems, TCP/IP networking.
- 3+ years of experience with IaC and config management tools such as Terraform, Ansible.
- 3+ years of experience with AWS stack: VPC, IAM, EC2, RDS, Elasticache, Route53, Lambda etc.

Desirable:
- Hashicorp Vault in Kubernetes.
- Additional tools for Kubernetes: Karpenter, Calico, etc.
- Message brokers: NATS, Kafka.
- Databases: MongoDB, MySQL, PostgreSQL.
- Monitoring/Alerting: Datadog, Grafana, OpsGenie.
- Others: Terragrunt, JVM, Gradle.

Responsibilities:

Proactively participate in the platform development:
- manage Kubernetes;
- migrate from EC2 to Kubernetes;
- build new CI/CD pipelines based on Kubernetes;
- running applications in Kubernetes following security best practices;
- provide cost optimization plans;
- build proactive monitoring;

Provide technical leadership, coaching, and mentoring to:
- application development teams;
- junior devops teammates.

Availability is very important. Sometimes you will need to help with issues in production that are most critical. (On-call duties).

With us you will enjoy:
- Working with a team of people to build the future of an industry.
- Non-trivial challenges and various specter of interesting tasks.
- A flexible, friendly and collaborative work environment.
- Corporate culture based on common sense.
- Opportunities to influence the creation of new products and their quality.

We are working to ensure that people’s lives are calm and the world safe.

Let’s become a part of the team that creates a smart and useful global product!