Senior DevOps Engineer - AWS & Observability Lead

Twenty; Arlington (VA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health

Parental leave

Paid vacation

401(k)

Job summary

Twenty is seeking a Senior/Staff DevOps in our Arlington, VA office to own AWS infrastructure, drive reliability, and push for scalable platform automation. You will collaborate with product and backend teams to design, build, and operate the application platform.

Ideal candidates have strong AWS, Terraform, and CI/CD experience, plus a focus on observability, security, and operational readiness in a first‑class production environment.

Qualifications

• Experience administering AWS-based infrastructure.
• Terraform to manage single-tenant and multi-tenant systems.
• Strong networking and security fundamentals (VPCs, DNS, IAM, TLS).

Responsibilities

• Design, build, and operate AWS-based infrastructure.
• Implement and maintain Infrastructure-as-Code for single-tenant and multi-tenant environments using Terraform.
• Build and maintain deployment and environment automation (Ansible or similar).
• Own and evolve CI/CD pipelines.
• Design, implement, and refine observability: metrics, logs, traces, dashboards, and alerting.
• Partner with application teams on architecture decisions, performance tuning, and operational readiness.
• Contribute to security and governance: IAM policies, network security, secrets management, and security scanning.
• Document systems, patterns, and runbooks so others can operate and extend the platform reliably.

Skills

AWS

Networking

Security

OpenTelemetry

PostgreSQL

Python

Tools

Terraform

Ansible

GitHub Actions

Grafana

Job description

Twenty is seeking a Senior/Staff DevOps in our Arlington, VA office to own AWS infrastructure, drive reliability, and push for scalable platform automation. You will collaborate with product and backend teams to design, build, and operate the application platform.

Ideal candidates have strong AWS, Terraform, and CI/CD experience, plus a focus on observability, security, and operational readiness in a first‑class production environment.