Twenty

Senior / Staff Forward Deployed Software Engineer - TS/SCI Cleared

Twenty
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3 months ago
Chantilly, VA, USASenior / Staff+

Base Salary

$192k - $455k/yr

Responsibilities

  • Design and build customer-specific features, integrations, and extensions for Twenty’s applications.
  • Work directly with customer users and technical staff to understand needs, scope solutions, and make pragmatic delivery trade-offs.
  • Write tested, maintainable, debuggable, and security-conscious code suitable for classified environments.
  • Retrieve, parse, transform, and load new data sources and extend AI-backed application capabilities with specialist support.
  • Coordinate software approval, deployment, and updates in a high-side, air-gapped environment.
  • Monitor platform and data-flow health using Grafana, Loki, Tempo, and Mimir; diagnose production issues and drive root-cause analysis.
  • Participate in PagerDuty on-call and handle incident response, including potential return visits to the customer facility.
  • Build core product features during quieter customer periods and relay field insights and capability gaps to product engineering.
  • Serve as the consistent engineering liaison among the government customer, on-site colleagues, and Arlington-based engineering teams.

Requirements

  • 6+ years of professional software engineering experience, including substantial production ownership of services or applications.
  • Strong generalist programming ability in at least one of Go, Python, or TypeScript.
  • Experience delivering backend services or full-stack features through design, implementation, testing, deployment, and operation.
  • Experience debugging production systems, tracing failures across components, and performing root-cause analysis under time pressure.
  • Operational fluency with the Linux command line, Docker, Docker Compose, and observability tooling.
  • Demonstrated production range across areas such as data pipelines, integrations, infrastructure, or ML-backed features.
  • Experience in forward-deployed, field engineering, or embedded customer-facing engineering roles, including restricted or air-gapped environments.
  • Ability to work independently, exercise sound judgment, communicate clearly, and collaborate with specialists.
  • Active TS/SCI clearance with either a full-scope polygraph or CI polygraph.
  • Ability to work full-time on-site at a government facility in Northern Virginia and travel to Arlington, Virginia, typically four days per month.
  • Preferred experience includes Airflow, NiFi, AWS Glue, ETL/ELT pipelines, SQL, schema design, LLM-backed application features, production AI/ML systems, Grafana, Datadog, Splunk, Kafka, NATS, Kinesis, RabbitMQ, and military, intelligence, or defense contracting.

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 PTO.
  • 401(k) with pre-tax and Roth options, HSA/FSA options, and dependent care FSA.
  • Full-time, on-site work at a government facility in Northern Virginia, with travel to the Arlington office typically four days per month.

Tech Stack

Apache AirflowApache KafkaAWSDatadogDockerGoGrafanaLinuxPostgreSQLPythonRabbitMQSplunkSQLTypeScript

Categories

Forward Deployed
Twenty

About Twenty

51-200 employees
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