Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance.

As a Software Engineer with MTSI, you will utilize your Java and JavaScript experience to design, implement, and maintain real-time data ingestion infrastructure for a project using an agile development model. This position will be located in Chantilly, VA.

Your essential job functions will include but may not be limited to:

Create and modify software which models satellite positions and simulates collection operations
Collaborate with team members to understand project requirements and deliver high-quality software solutions.
Assist with the testing and deployment of code in a secure cloud environment.
Troubleshoot, debug, and optimize code for performance and scalability.
Participate in code reviews and provide constructive feedback to peers.
Actively participate in the agile development process, including sprint planning and daily stand-ups.
Understanding of backend development fundamentals, including Node.js and RESTful API design.
Experience working with Linux-based servers and systems.
Understanding of version control systems (e.g., Git, Mercurial).
Ability to work both independently and in a collaborative team environment.
Excellent verbal and written communication skills.

Necessary Qualifications:

10+ years of experience as a Software Engineer or a related field.
Java Script
Familiarity with PostgreSQL
Basic Modeling and Simulation Experience

Desired Qualifications:

Satellite Modeling and Simulation experience
TypeScript experience
Knowledge of relational databases
Knowledge of containerization and container orchestration tools (e.g., Docker, Helm, Kubernetes).
Experience with cloud platforms such as AWS or Azure.

Educational Requirements:

Bachelor’s Degree in Information Systems, computer science, data science, engineering, math, statistics, operations research, or related field.

Certifications Desired:

DoD 8570 IAT level 3 (CompTIA Security+) compliant. (Desired)

Clearance Requirements:

TS/SCI with eligibility for a CI Polygraph.
U.S. Citizenship is required for this position.

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SENIOR SOFTWARE ENGINEER - 2025-10452