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Twenty

Twenty

twenty.io

1 Job

21 Employees

About the Company

We apply world-class software engineering to a warfighting domain of persistent conflict. Our mission is to deliver industrial-scale cyber capabilities, ensuring the U.S. and its allies are able to deter and defeat their adversaries. At Twenty, we own the mission end to end, from rapid R&D to operational deployment. We’re looking for the rare builders who thrive under pressure, move fast, and create revolutionary capabilities that change how nations project industrial-scale power in cyberspace. Backed by the top defense tech investors in the business, including Caffeinated Capital, General Catalyst, and In-Q-Tel, we are the top 0.1% of cyber operators and proven builders building 100X cyber capabilities for the United States of America.

Listed Jobs

Company background Company brand
Company Name
Twenty
Job Title
DevOps Engineer
Job Description
Job Title: DevOps Engineer Role Summary: Design, build, and operate AWS‑based infrastructure to support highly available, secure, and observable application platforms. Drive automation, CI/CD, and reliability practices in collaboration with product and backend teams. Expectations: Deliver scalable, multi‑tenant infrastructure with fast provisioning and reliable production operations. Maintain high observability, security, and compliance. Evolve CI/CD pipelines and service monitoring to reduce incidents and improve developer velocity. Key Responsibilities: • Design, provision, and maintain AWS infrastructure (VPC, subnets, routing, security groups, NACLs). • Implement and manage Terraform scripts for single‑tenant and multi‑tenant environments. • Build and maintain deployment automation with Ansible or equivalent. • Own and evolve CI/CD pipelines using GitHub Actions, GitLab CI/CD, CircleCI, etc. • Create and refine observability stack—metrics, logs, traces, dashboards, alerts (Grafana, OpenTelemetry). • Collaborate with application teams on architecture, performance tuning, and operational readiness. • Enforce security and governance: IAM, network security, PKI, secrets management, vulnerability scanning (Trivy). • Document systems, patterns, runbooks, and operational playbooks. • Participate in on‑call rotations, incident response, and reliability engineering. Required Skills: • Proven experience administering AWS infrastructure and deployed applications. • Hands‑on Terraform, VPC, routing, subnets, DNS, security groups, NACLs. • Strong knowledge of PKI, TLS, mTLS, certificate lifecycle. • Experience with configuration management (Ansible or similar). • CI/CD platform expertise (GitHub Actions, GitLab CI/CD, CircleCI, or equivalent). • Debugging distributed system failures and setting up alerting/on‑call practices. • Experience with observability (Grafana dashboards, OpenTelemetry, log/metric/trace collection). • PostgreSQL production management; pub/sub or queue technologies (Kafka, RabbitMQ, NATS, AWS SQS). • Secrets management (AWS SSM/Secrets Manager, Vault). • Familiarity with security scanning tools, threat modeling, and secure defaults. • Scripting proficiency (Python or similar). Required Education & Certifications: • Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience. • AWS Certified Solutions Architect – Associate (preferred).
Arlington, United states
On site
13-12-2025