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Principal Digital Engineer

Modern Technology Solutions, Inc.

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Job Requirements

Huntsville, AL
Secret Polygraph Unspecified
Career Level not specified
Salary not specified
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Job Description

MTSI is looking for a talented Principal Digital Engineer to join our team! In this role you will get to provide digital ecosystem, cloud architecture, and Model-based System Engineering expertise in support of the Missile Defense Agency Chief Digital Officer (CDO) mission.

Position Responsibilities
  • Able to combine expertise in API integration, cloud architecture, model-based systems engineering, dashboard development, DevSecOps, tactical interoperability, and digital engineering to coordinate and accelerate delivery of operational capabilities.
  • Lead onboarding and integration of external software, models, simulations, AI tools, and operational capabilities.
  • Design and implement secure API-based integrations and data exchange architectures.
  • Design and implement AI-enabled digital ecosystems supporting human-machine teaming.
  • Develop integration architectures connecting APIs, data services, semantic layers, knowledge graphs, and AI orchestration frameworks.
  • Implement semantic data models and ontologies to improve AI reasoning and data discoverability.
  • Develop AI-ready data pipelines that transform structured and unstructured data into consumable knowledge assets.
  • Integrate Large Language Models (LLMs), agentic AI frameworks, and workflow automation services into enterprise environments.
  • Develop enterprise dashboards and common operational pictures.
  • Support MBSE activities using SysML, activity diagrams, and block diagrams.
  • Develop common data models and integration standards.
  • Support tactical interoperability including Link 16 and gateway architectures.
  • Support DevSecOps pipelines and cloud-native deployments.
  • Provide technical recommendations to government leadership.


Required Qualifications
  • MS in STEM field.
  • 12+ years related experience in software integration, systems engineering, or enterprise architecture.
  • Experience with API design and integration.
  • Working knowledge of MBSE and SysML.
  • Experience building enterprise dashboards.
  • Experience with cloud environments and container technologies.
  • Active or Interim Secret clearance.


Preferred Qualifications
  • Experience supporting DoD programs.
  • Experience with Cameo, MagicDraw, Sparx EA, or Rhapsody.
  • Experience with Power BI, Tableau, Grafana, or Kibana.
  • Experience with Kubernetes, GitLab, Terraform, and CI/CD pipelines.
  • Knowledge of Link 16, tactical data links, and C2 architectures.
  • Knowledge of AI-enabled workflows and digital engineering ecosystems to include Semantic Search, RAG Architectures, LLM Integration, Agentic AI Frameworks, AI Orchestration Platforms, and Data Fabric Architectures.


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About Us
Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned technology firm specializing in Digital Engineering, Space Systems, Unmanned Systems, Flight Test Engineering, Modeling and Simulation, Cybersecurity, and DevOps for vital defense and intelligence programs. MTSI excels in delivering premier solutions to address global challenges. Founded in 1993, MTSI now operates across 20+ global offices and field sites. Perks of being part of MTSI's employee-ownership culture include: • 6% 401k matching with immediate vesting • Semi-annual performance bonuses • Company-funded Employee Stock Ownership Plan (ESOP) • 20 days of paid time off (PTO), 10 paid holidays, and flexible work schedules • Optional zero-deductible BC/BS insurance with FSA • Certified as a top workplace Join us in a company with a long-term strategy and a commitment to our employee-owners, free from external shareholders' demands.

Modern Technology Solutions, Inc. Jobs


Clearance Level
Secret