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Railsware
Open role>1 month

Senior DevOps Engineer

Railsware
Work model
Remote
Experience
5+ years
Employment
Full Time
Compensation
Not disclosed
Technology signal
6 tags

Technology context

6

Parsed from the vacancy text; ordered by relevance to this role.

AWSReliability EngineeringDevOpsDockerTerraformAutomation

Full listing

Role description

Senior DevOps Engineer

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Remote work

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Flexible Schedule

Full time

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.

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.

Apply Now! Senior

DevOps

Engineer

What are we looking for?

Must have skills

  • 5+ years DevOps/platform (senior), production ownership
  • Experience in planning and implementing DevOps practices end-to-end
  • Deep AWS (VPC, ECS, IAM, RDS/ElastiCache or equivalents, networking)
  • Terraform at scale (modules, remote state)
  • CI/CD with GitHub Actions, including automated deploys to production
  • Containers (Docker); comfortable operating services on ECS or K8s
  • Strong Linux networking (DNS, TLS, load balancing, firewalls, VPN)
  • Comfortable owning a multi-quarter infra initiative: TCO, design, vendors, cutover, rollback
  • Fluent English (both spoken and written)

Strongly preferred

  • 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

Would be a plus

  • GCP (BigQuery/certificates)
  • Comfortable reading Ruby or Go (used in our services and tooling)
  • AWS Certificates
  • Comfortable automating operational tasks with shell and/or Python
  • Experience planning or/and executing migration to on-prem, colo, or private cloud (both partial or hybrid), including colo/bare-metal ops: IPAM (NetBox), Ansible, image-based provisioning (Packer or equivalent), HAProxy/Nginx

Responsibilities

  • Operate and evolve AWS multi-account / multi-region infrastructure
  • FinOps
  • Implementing IaaC using Terraform modules
  • 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