Senior/Staff DevOps Engineer

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Senior/Staff DevOps Engineer in USA

Twenty
Full time
Email

USA
09/29/2026
Report

New York, NY

Responsibilities

Design, build, and operate AWS-based infrastructure.
Implement and maintain Terraform infrastructure-as-code for single-tenant and multi-tenant environments.
Build and maintain deployment, environment, and configuration automation using Ansible or similar tools.
Own and evolve CI/CD pipelines.
Design and improve observability covering metrics, logs, traces, dashboards, and alerting.
Partner with application teams on architecture, performance tuning, and operational readiness.
Contribute to IAM, network security, secrets management, security scanning, and other security governance activities.
Document systems, platform patterns, and runbooks for reliable operation and extension.
Support reliability initiatives including alert management, on-call practices, distributed-systems debugging, and operations programs.
Manage production PostgreSQL databases and pub/sub or queue technologies.

Requirements

Hands-on experience administering infrastructure and operating applications deployed on AWS.
Experience using Terraform to manage single-tenant and multi-tenant systems.
Practical knowledge of IP networking, including VPCs, routing, subnets, proxies, and DNS.
Practical knowledge of network security, including security groups, NACLs, and firewalls.
Experience with PKI management, TLS certificates, certificate authorities, mTLS, and certificate lifecycles.
Experience with Ansible or another deployment automation or configuration-management framework is preferred.
Experience with GitHub Actions or another CI/CD platform such as GitLab CI/CD or CircleCI is preferred.
Experience with reliability projects, observability programs, Grafana, OpenTelemetry or similar telemetry frameworks, and distributed systems is preferred.
Experience managing PostgreSQL databases in production is preferred.
Experience managing pub/sub or queue technologies such as NATS, RabbitMQ, Kafka, AWS SQS, or Google Pub/Sub is preferred.
Familiarity with secrets-management tools such as AWS SSM, AWS Secrets Manager, or Vault is preferred.
Experience or strong interest in cybersecurity, threat modeling, hardening, secure defaults, security scanning, or vulnerability and container scanners is preferred.
Proficiency in Python or another scripting language is preferred.
Experience with large datasets, graph databases, or internal platform documentation is preferred.
U.S. citizenship is required; no active security clearance is required.

Benefits

Medical, dental, vision, life/AD&D, and disability plan options.
Paid parental leave for eligible full-time employees, including 12 weeks for birthing parents, 4 weeks for non-birthing parents, and 6 weeks for adoptive, foster, or intended parents through surrogacy.
Paid holidays and flexible paid time off.
401(k) with pre-tax and Roth options, HSA/FSA options, and dependent care FSA.
Full-time, in-office role in the New York, NY office; benefits vary by location, role, and eligibility.

Salary: $192k - $455k/yr

Twenty

Twenty develops and deploys advanced software solutions tailored for offensive cyber operations, empowering the U.S. and its allies to deter and defeat adversaries in the arena of modern warfare. Our unique approach industrializes cyber capabilities, ensuring that nations can project power and ma...

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