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A fast-paced and dynamic 100% employee-owned and operated technology firm, MTSI provides leading-edge services to defense, intelligence, and commercial partners.

Current Job Openings at MTSI

There are 14 current job openings at MTSI

Modeling and Simulation Analyst
February 18, 2026

Modern Technology Solutions, Inc. (MTSI) is seeking a Modeling and Simulation Analyst to meet anticipated growth within our expanding mission modeling capability based on growing customer requirements in the National Defense sector. You will work with customers, the Study Lead, and model developers to create and execute analysis plans, including …

St. louis, MO, United States of America
Security Controls Assessor
February 18, 2026

Modern Technology Solutions, Inc. (MTSI) is seeking a Security Control Assessor (SCA) to support an MTSI contract with the Assistant Secretary of the Air Force, Acquisition, Technology and Logistics. The SCA is responsible for conducting a comprehensive assessment of the management, operational, and technical security controls employed within or inherited …

Lorton, VA, United States of America
Weapons Program Development Analyst - AFGSC A5/8
February 14, 2026

Modern Technology Solutions, Inc. (MTSI) is seeking a Weapons Program Development Analyst – AFGSC A5/8 to join our growing team at Barksdale AFB in Shreveport, LA. In this high-impact HQ AFGSC staff role, you will focus on developing requirements, providing acquisition support, and overseeing the program management of advanced weapons …

Bossier city, LA, United States of America
Software Developer
February 14, 2026

Join our innovative team and contribute to cutting-edge simulations! We are seeking a highly motivated and experienced Software Developer to join our growing team. In this role, you will be responsible for designing, developing, and maintaining software solutions for complex modeling and simulation applications. You will collaborate with a team …

Dayton, OH, United States of America
Information Systems Security Officer (ISSO)
February 12, 2026

Essential Job Functions Security Policy Implementation: Develop, implement, and enforce security policies, standards, and procedures to ensure the protection of information systems. Configuration Management: Ensure that all information systems are configured securely according to organizational policies and best practices. System Patching: Perform system patching in response to IAVAs and other …

Chantilly, VA, United States of America
Ground Systems Architect
February 12, 2026

Own Your Future. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest …

Beavercreek, OH, United States of America
Project Coordinator
February 12, 2026

MTSI is seeking to hire a Project Coordinator to join our team in Huntsville, Alabama. Key Responsibilities As part of the Golden Dome initiative, you will be responsible for driving effective scheduling, stakeholder coordination, and risk management processes to ensure successful project execution. Key responsibilities include: Schedule Development and Management: …

Huntsville, AL, United States of America
Help Desk Specialist
January 17, 2026

Position Overview: Golden Dome is a national-level, whole-of-nation initiative in which you will play a critical role in advancing next-generation homeland defense capabilities. If you are seeking a fast-paced position focused on developing innovative software for the Space-Based Interceptor mission, this opportunity is designed for you. The ideal candidate will …

El segundo, CA, United States of America
Security Support SME/GSSO
January 17, 2026

Personnel performing in this position are experienced and motivated security professionals with the necessary skills to support the DoD Anti-Tamper Executive Agent Field Program Office (ATEA FPO) by independently providing multi-discipline SAP/SCI security support executing the following: Serve as the Government SAP Security Officer (GSSO) for assigned programs and activities …

Wright-patterson afb, OH, United States of America
Joint All-Domain Command and Control SME
January 17, 2026

Contract Overview: Golden Dome is a national-level, whole-of-nation initiative in which you will play a critical role in advancing next-generation homeland defense capabilities. If you are seeking a fast-paced position focused on developing innovative software for the Space-Based Interceptor mission, this opportunity is designed for you. MTSI is seeking an …

El segundo, CA, United States of America
Space Operations SME
January 17, 2026

MTSI is seeking to hire a Space Operations Subject Matter Expert (SME) to support our Space-Based Interceptor (SBI) program to join our tea in Huntsville, Alabama. Key Responsibilities: Technical Leadership: Provide expert-level guidance on space operations, focusing on orbital mechanics, satellite systems integration, and SBI-related mission planning. Program Support: Collaborate …

Huntsville, AL, United States of America
Intelligence Analyst – All Source
January 17, 2026

MTSI is seeking a All Source Intelligence Analyst to support our customer. Your essential job functions will include but may not be limited to: Must have the ability to work with cross functional and joint teams to address capability assessments for operational and strategic problem sets. Experience working with Combatant …

Arlington, VA, United States of America
Spacecraft Subsystem SME
January 16, 2026

Modern Technology Solutions, Inc. (MTSI) is seeking a motivated and experienced spacecraft or spacecraft subsystem SME to join our team in El Segundo, CA. The MSEIT effort provides leading-edge Systems Engineering & Integration (SE&I) for the United States Space Force’s (USSF) Space Systems Command (SSC). We acquire state-of-the-art Military and …

El segundo, CA, United States of America
Configuration Management Specialist
January 16, 2026

Modern Technology Solutions, Inc. (MTSI) is seeking a Configuration Management Specialist to join our team in El Segundo, CA. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the US Space Force’s Space Systems Center (SSC). We support the Space Force’s …

El segundo, CA, United States of America
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