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The Fountain Group Logo
Principal Software Engineer

The Fountain Group

 

Washington D.C., DC, USA

Posted On: 15+ days ago
Experience: 8+ years
Availability: Hybrid
Openings: 1
Category: Principal Software Engineer
Tenure: Contract - W2
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Description

Lead the design and delivery of cloud-native, Kubernetes-based systems within classified government environments.

This role is on-site.

Responsibilities

  • Own end-to-end delivery of system components, ensuring reliability and security in multi-tenant deployments.
  • Architect and implement event-driven or agent-based systems using Go and Python.
  • Manage infrastructure automation using Terraform and Ansible to support scalable operations.
  • Mentor engineering teams and drive technical leadership across distributed projects.
  • Balance automation with strict operator oversight requirements in air-gapped or classified settings.

Required Skills

  • Active Top Secret/SCI clearance with Full Scope Polygraph (must be active prior to start).
  • 8+ years of software engineering experience, with a majority in cloud-native or distributed systems.
  • Deep proficiency in coding with Go and/or Python.
  • Strong Kubernetes expertise, including CRDs, Helm, GitOps, and multi-tenant patterns.
  • Experience with event-driven architectures using Kafka or controller patterns.
  • Familiarity with infrastructure automation tools like Terraform and Ansible.

Preferred Skills

  • TypeScript for frontend or internal tooling development.
  • Experience with OpenShift, Rancher, or service meshes (Istio, Linkerd) in classified environments.
  • Knowledge of observability tooling (Prometheus, Grafana, OpenTelemetry) and AWS GovCloud.

Education

Bachelor's degree

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