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Twenty · 12 hours ago

DevOps Engineer

Arlington, VA

Full-time

Onsite

Mid Level

Twenty is a company focused on defending democracies in the digital age through revolutionary technologies. They are seeking a DevOps Engineer to design, build, and operate their AWS-based application platform, ensuring infrastructure reliability and security while collaborating with product and backend teams.

Cyber SecurityMilitarySoftware

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

Qualification

AWSTerraformCI/CD pipelinesNetwork securityAnsiblePostgreSQLPythonObservabilityIP networkingSecrets managementGraph databases

Required

Experience administering infrastructure and operating applications deployed on AWS

Experience using Terraform to manage single-tenant and multi-tenant systems

Strong instincts and practical experience with IP networking (VPCs, routing, subnets, proxies, DNS)

Strong instincts and practical experience with network security (security groups, NACLs, firewalls)

Strong instincts and practical experience with PKI management (TLS certificates, CAs, mTLS, certificate lifecycle)

Preferred

Experience with Ansible or another deployment automation/configuration management framework

Experience with GitHub Actions or another CI/CD platform (GitLab CI/CD, CircleCI, etc.)

Experience working on reliability projects, such as setting up alert management tools and on-call practices

Experience working on reliability projects, such as debugging failures in distributed systems

Experience setting up observability and operations programs, including collecting and representing telemetry in Grafana (dashboards, panels, alerts)

Experience setting up observability and operations programs, including instrumenting applications using OpenTelemetry or other log/metric/trace aggregation frameworks

Experience managing PostgreSQL databases in production (backups, migrations, performance, monitoring)

Experience managing a pub/sub or queue technology, such as NATS, RabbitMQ, Kafka, AWS SQS, or Google Pub/Sub

Familiarity with secrets management (AWS SSM/Secrets Manager, Vault, or similar)

Company

Twenty

We apply world-class software engineering to a warfighting domain of persistent conflict.

Founded in 2024

Arlington, Virginia, USA

11-50 employees

https://twenty.io

Funding

Current Stage

Early Stage

Total Funding

$38M

Key Investors

Caffeinated Capital

2025-11-20Series A· $38M

Company data provided by crunchbase