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Senior/Staff DevOps Engineer

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Senior/Staff DevOps Engineer in USA

  • Arlington, VA

Responsibilities

  • Design, build, and operate AWS-based infrastructure.
  • Manage single-tenant and multi-tenant infrastructure with Terraform.
  • Build and maintain deployment, environment, and configuration automation using Ansible or similar tools.
  • Own and evolve CI/CD pipelines.
  • Design and improve observability with 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 governance.
  • Document systems, patterns, and runbooks for reliable platform operation.

Requirements

  • Experience administering infrastructure and operating applications deployed on AWS.
  • Experience using Terraform to manage single-tenant and multi-tenant systems.
  • Practical experience with IP networking, including VPCs, routing, subnets, proxies, and DNS.
  • Practical experience with network security, including security groups, NACLs, and firewalls.
  • Practical experience managing PKI, including TLS certificates, certificate authorities, mTLS, and certificate lifecycles.
  • Preferred experience with Ansible or another deployment automation or configuration management framework.
  • Preferred experience with GitHub Actions or another CI/CD platform such as GitLab CI/CD or CircleCI.
  • Preferred experience with reliability projects, distributed systems, alert management, and on-call practices.
  • Preferred experience with Grafana, OpenTelemetry, PostgreSQL, pub/sub or queue technologies, secrets management, security scanning, large datasets, and graph databases.
  • Preferred Python or other scripting-language proficiency and experience creating platform runbooks and documentation.
  • U.S. citizenship is required; an active security clearance is not 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, plus HSA/FSA and dependent care FSA options.
  • Full-time, in-office position in Arlington, Virginia.

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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