Demo

Solution Engineer

Castalia Systems
Tysons, VA Full Time
POSTED ON 1/2/2026
AVAILABLE BEFORE 2/1/2026

Job Type: Full- Time

Workplace Type: Onsite in Tysons, VA

Clearance: Active TS/SCI clearance with current CI Polygraph

Must be a U.S. Citizen

Benefits: Medical, dental, and vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too.

Job Summary

Castalia Systems is seeking Solution Engineers. As a Solution Engineer, you will be engineering full-stack AI-driven web applications on the C3 AI Platform. You will be working directly with our customers to design, develop, and deploy production applications, demos, and proofs-of-technology. An ideal candidate possesses strategic and analytical aptitude, software development expertise, and excellent interpersonal skills.

Roles and Responsibilities

A qualified candidate will perform the following duties and responsibilities, but are not limited to:

  • Develop and deploy full-stack, AI-based enterprise applications on the C3 AI Platform
  • Mentor junior team members on coding standards and design techniques
  • Conduct design and development reviews of customer software applications
  • Test, troubleshoot, and enhance customer software applications with and on behalf of customers
  • Deliver technical deep-dives, demonstrations, and customer training
  • Write application specifications and documentation
  • Continuously identify technical risks and gaps; devise mitigation strategies in anticipation of customer needs
  • Work closely with product management and engineering to drive improvements to the overall quality of C3 AI software
  • Experience with Federal government, especially DIA

Required Qualifications:

  • Bachelor’s degree in a Science, Technology, Engineering or Mathematics (STEM), or comparable area of study
  • 2 years of professional software development experience with object-oriented programming languages

Desired Qualifications:

  • Production experience with Generative AI
  • Graduate degree in Science, Technology, Engineering or Mathematics (STEM), or comparable area of study
  • Experience deploying enterprise scale applications
  • Experience working in a customer-facing role
  • Software development experience with JavaScript and Python
  • Experience with Git or other version control software
  • Experience working with JavaScript frameworks such as React, Redux, Vue, Backbone, or Angular

Physical Requirements/Work Environment

  • Normal office environment.

Travel

None required.

Company Description

Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application.

With our vast knowledge of our customers’ needs and relevant technology, our team can bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it’s very evident when you compare us with anyone.

Disclaimer

Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all people involved in the operations of the company are prohibited from engaging in this type of conduct.

#CJ

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$86,703 to $109,146
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