AI Infrastructure & Full-Stack Engineer (PT/Retainer — FT Flex) - TS/SCI Full Scope

Vienna, VA
Contracted
Experienced

Catalyst is looking for a highly skilled engineer to support the design, deployment, and optimization of our on-premises AI infrastructure. This role can be part-time, on-retainer, or structured as an independent contractor, with flexibility to expand to full-time if needed.

What You’ll Work On:

  • Designing and maintaining on-prem AI stacks — GPU servers, local clusters, NAS storage
  • Building and managing Docker/Docker Compose environments
  • Optimizing model-inference pipelines for speed and reliability
  • Developing backend services and APIs for AI applications
  • Automating system setup and maintenance with Bash, Python, or PowerShell
  • Managing GPU drivers, CUDA, and dependency stacks
  • Implementing logging, metrics, and fault-tolerant distributed systems
  • Integrating AI systems with local networks (DNS, SSL/TLS, reverse proxy, firewall, auth)
  • Maintaining clear documentation and deployment procedures

Required Expertise:

  • Strong proficiency in Python, JavaScript, and full-stack development
  • Proven experience running GPU-accelerated workloads in Linux environments
  • Deep knowledge of Docker, GPU runtime management, and multi-container orchestration
  • Linux server administration, security hardening, and user-permission management
  • Networking fundamentals (VLANs, NAT, DNS, reverse proxying)
  • System performance tuning (CPU/GPU/RAM)
  • Ability to read/debug code without IDE or internet access

REQUIRED: Must hold an active TS/SCI Full Scope clearance.

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