System Dynamics International, Inc. strives daily to achieve our mission of “Supporting the Warfighter with Technical Excellence, Service, and Integrity.” SDI recognizes that each member of the SDI team makes a valuable contribution toward helping us achieve our goals and supporting our customers.  We are committed to championing our team members by providing a healthy work-life balance, valuing high-quality performance, supporting growth opportunities, and fostering a cooperative work environment wherein hard-work, integrity, and ethics are regarded above all.

If you think you’d be a good fit at an organization that believes in contribution toward our communities, our nation, and our world – please check the link below for our available positions or apply to our “General Interest” application if there’s nothing that matches your skill set at this time. We’re looking forward to working with you!

I’ve personally worked for SDI and it is a terrific company! I hope y’all continue the great work like I know y’all can! I’ve recommended this company to many of my colleagues and will continue to do so.

Charles Harvey, Shadow Maintenance Lead, Kandahar, Afghanistan


  • 401(k) Retirement Savings Plan
  • Medical Coverage
  • Dental Coverage
  • Vision Coverage
  • Employee Assistance Program
  • Group Life Insurance
  • Company provided Life + ADD Policy
  • Long Term & Short Term Disability
  • Flexible Spending Account + Dependent Care Account
  • Legal Resources and Identity Theft Protection
  • Walk-In Medical Clinic for Huntsville-Based Employees
  • Tuition Reimbursement
  • Paid Time Off
  • 10 Holidays Per Year
  • Bi-weekly Payroll Schedule

Equal Opportunity Employer

System Dynamics International, Inc. is an Affirmative Action and Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, age, protected veteran or disabled status, or genetic information. 

If you are a qualified individual with a disability or a disabled veteran, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access SDI’s careers page as a result of your disability.  You can request reasonable accommodations by calling 256-895-9000.  Thanks for your interest in System Dynamics International, Inc.

  • 560 Discovery Drive
    Huntsville, AL 35806

  • (256) 895-9000