Forward Deployed Site Reliability Engineer (TS/SCI Required) at Twenty Technologies

Department: Engineering

Compensation

$192,000 – $455,000/yr

Setup: On-site
Location: Chantilly, Virginia
Type: Full-time
Level: senior
Posted: May 4, 2026

Description

Twenty Technologies is hiring a full-time Site Reliability Engineer to work on-site at a government customer site in a restricted, air-gapped AWS environment. The role owns platform reliability, SLIs and SLOs, observability, incident response, runbooks, containerized deployments, Terraform infrastructure changes, capacity planning, and customer-facing technical support. It requires 5+ years of relevant experience, government or defense environment experience, a TS/SCI clearance with a full-scope polygraph, U.S. citizenship, and occasional travel.

Required Skills

AWS
Docker
Terraform
Linux/Unix
Python
Incident response
Observability

Additional Information

Required Previous Experiences: 5+ years of professional experience in site reliability engineering, production operations, or a closely related infrastructure role
Experience defining and tracking SLIs, SLOs, and error budgets in a production environment
Hands-on experience with Docker, Docker Compose, and AWS in production deployments
Solid Linux/Unix systems administration skills in constrained environments
Experience with Terraform for infrastructure provisioning and configuration
Experience with the LGTM observability stack or equivalent
Strong incident response experience, including post-mortems, runbooks, and preventive fixes
Scripting proficiency in Python or Bash for operational automation and on-call tooling
Experience working in or supporting government or defense environments, including air-gapped or enclave deployments
Preferred Qualifications: Experience with NATS or similar pub/sub messaging systems in production
Background in cyber operations, intelligence systems, or signals environments
AWS certifications in Solutions Architect, SysOps, or DevOps Engineer
Translation Company Name: Twenty