DevOps Engineer

Необхідні навички

Must have skills:
🔹 5+ years DevOps/platform (senior), production ownership
🔹 Deep AWS (VPC, ECS, IAM, RDS/ElastiCache or equivalents, networking)
🔹 Terraform at scale (modules, remote state / Terraform Cloud)
🔹 CI/CD with GitHub Actions, including automated deploys to production (e.g. blue/green deployments)
🔹 Containers (Docker); comfortable operating services on ECS or K8s
🔹 Strong Linux networking (DNS, TLS, load balancing, firewalls, VPN/hybrid)
🔹 Proven experience planning and executing migration to on-prem, colo, or private cloud (partial/hybrid OK — full exit not required)
🔹 Comfortable owning a multi-quarter infra initiative: TCO, design, vendors, cutover, rollback
🔹 Comfortable automating operational tasks with shell and/or Python
🔹 Fluent English (both spoken and written)

Strongly preferred:
🔹 Colo/bare-metal ops: IPAM (NetBox), Ansible, image-based provisioning (Packer or equivalent), HAProxy/Nginx
🔹 Replacing managed AWS services with self-hosted (Postgres HA, Redis/Valkey, Kafka, OpenSearch)
🔹 Email infrastructure (MTA, SMTP, IP reputation, DKIM/SPF/DMARC) — Halon or similar
🔹 Cloudflare (DNS/WAF/Access)
🔹 Observability beyond CloudWatch (Prometheus/Grafana/Loki or equivalent)
🔹 Prior work with multi-region SaaS or EU data residency
🔹 Cost-driven architecture / FinOps mindset

Буде плюсом

🔹 GCP (BigQuery/certificates)
🔹 Comfortable reading Ruby or Go (used in our services and tooling)
🔹 AWS Certificates

Пропонуємо

🌎 Full-remote from any location or in one of our offices (Kyiv/Krakow/Warsaw) bit.ly/rw-remotecollab
💸 Competitive compensation, access to savings program, and deposit policy
💻 Thanks to our hardware policy, we use the best equipment and can regularly update it
🌴 34 days a year as paid time off (24 standard days + 10 more to cover public holidays)
🏋🏼 Health policy budget that will cover your private sports and healthcare expenses
🎤 Participate in our online and offline events
⌨️ Our offices are equipped with modern ergonomic chairs and standing desks
🍪 You can always find fresh food and drinks in our kitchen
🤝 In Ukraine, we collaborate through Diia.City
🤩 More about our benefits and how we work
🔗 Railsware Handbook: railsware.com/handbook

Обов’язки

Day-to-day:
🔸 Operate and evolve AWS multi-account / multi-region infra
🔸 Terraform modules/workspaces
🔸 Ensure safe infrastructure changes across network, storage, and services, with zero-downtime deployments.
🔸 ECS services, blue/green deploys, Docker image pipelines
🔸 Reliability: CloudWatch/PagerDuty/Sentry, capacity, cost tags
🔸 Security baseline: IAM, secrets (SSM), Cloudflare edge rules
🔸 Partner with engineers on release automation and production readiness
🔸 Maintain the hybrid estate (AWS and rented bare metal) as one operable platform

Migration leadership:
🔸 Build the business and technical case for what moves off AWS vs what stays
🔸 Design the rented bare-metal / colo landing zone (compute, network, storage, observability, secrets)
🔸 Produce migration waves, dependency maps, cutover/rollback plans
🔸 Stand up hybrid connectivity and dual-run periods; shift traffic safely (e.g. via Cloudflare)
🔸 Replace or re-home managed services where it pays off (compute, queues, search, cache, MTA nodes)
🔸 Coordinate colo/vendors, timelines, and eng teams; report progress and risk

Про проєкт

We are looking for a Senior DevOps Engineer to join our team!

You will own and evolve Mailtrap’s production infrastructure — a multi-region AWS platform powering high-volume email sending and testing. You will keep it reliable, secure, and cost-efficient day to day.

You will also lead a key strategic initiative: planning and executing a partial migration of selected workloads from AWS to rented bare-metal/colocation infrastructure to cut costs — a hybrid-by-design effort, not a full cloud exit.

You will decide what moves and what stays, design the target platform (likely Kubernetes or a similar orchestrator on bare metal), and own the migration end-to-end, from business case to cutover.

Our engineering team thrives in an agile, continuously improving, and automation-oriented environment. We value ongoing evolution, objective evaluation of our processes, and taking action to make things better.

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