Middle DevOps Engineer

We're looking for a DevOps Engineer to join our team and work embedded with one of our key clients a fast-growing AdTech SaaS company operating at scale on AWS. You'll be part of a small, high-ownership DevOps team working closely with the client's backend, data, and product engineers on a daily basis.

This is a hands-on role. You'll handle everything from routine infrastructure maintenance to complex migrations, security hardening, and cost optimization and you'll be expected to communicate clearly with both technical and non-technical stakeholders.

What you'll work on:
Managing and evolving cloud infrastructure on AWS (EKS, RDS, ElastiCache, S3, OpenSearch, Cognito, SES, and more)
Maintaining and improving CI/CD pipelines built on GitHub Actions and ArgoCD
Writing and maintaining infrastructure-as-code with Terraform (including Terraform Cloud)
Supporting Kubernetes clusters (EKS) with Karpenter autoscaling and Bottlerocket OS
Participating in security initiatives MFA enforcement, WAF configuration, GitHub branch protection, GPG commit signing, ISO 27001 compliance
Monitoring and alerting via Datadog and responding to incidents
Managing AWS Bedrock integrations and supporting AI-powered services
Supporting developer teams with access management, environment provisioning, and day-to-day requests
Contributing to cost optimization efforts and monthly AWS cost reporting

What we're looking for

Required:
Experience with ArgoCD or other GitOps tools
Solid understanding of AWS core services (EC2, S3, RDS, IAM, VPC, EKS)
Hands-on experience with Terraform
Familiarity with Kubernetes and Helm
Experience with CI/CD pipelines (GitHub Actions or similar)
Comfortable working in Linux environments and with CLI tooling
Strong written communication in English you'll be interacting with client stakeholders daily
Ability to work independently, ask the right questions, and take ownership

Nice to have:
Familiarity with Datadog or similar observability platforms
Knowledge of AWS security services (WAF, GuardDuty, Security Hub)
Experience with ElastiCache, OpenSearch, or Databricks
Exposure to ISO 27001 or SOC 2 compliance processes
Familiarity with AWS Bedrock or AI/ML infrastructure

What to expect
You'll be embedded in a real product team, not bouncing between projects every few weeks
Small team, high ownership your work matters and is visible
Direct communication with client engineers and stakeholders
Fully remote, async-friendly, with regular syncs
You'll be expected to grow into the role we invest in people who take initiative

What we offer:

Paid vacation 16 days per year;
Documented (16 days) and undocumented (5 days) sick leave;
Leave for significant life events;
Compensation for medical insurance (for our employees based in UA);
Flexible working hours (start at 8.00-11.00 o'clock);
Weekends according to the Ukrainian/Local calendar;
Engaging projects with opportunities for career growth;
Certifications, Udemy courses;
Corporate events, team-building activities,
Gifts and recognition from the company;
A friendly, open, and supportive team culture without excessive bureaucracy.