Senior Software Engineer

Modern Technology Solutions, Inc. (MTSI) is seeking a highly motivated
Senior Software Engineer
to contribute to our National Security and Defense mission. As a Senior Software Engineer with MTSI, you will be responsible for designing, implementing, and maintaining high-fidelity, custom modeling and simulation software using agile development methodologies. Your contributions will directly support our mission of enhancing national security and defense capabilities. Leveraging modern technologies and collaborative practices, you will play a pivotal role in shaping the accuracy, reliability, and scalability of cutting-edge simulations for highly sophisticated aerospace and defense systems.

Skills
We are looking for someone who can bring both technical expertise and exceptional soft skills to our team. You'll thrive in this role if:

• Passionate About Aerospace & Defense: You have a strong interest in aerospace, defense, space systems, and advanced technologies.
• Attention to Detail: You excel in delivering high-quality work with precision while maintaining excellent customer service.
• Continuous Learner: You embrace ongoing challenges and growth opportunities to enhance your technical and professional skills.
• Purpose-Driven: You are motivated to make a meaningful impact through your work.

Responsibilities
Your essential job functions will include, but are not limited to:

• High-Fidelity Modeling & Simulation: Design, implement, and maintain satellite and sensor models for simulation environments.
• Validation Activities: Assist in verifying the accuracy and reliability of satellite and sensor models to ensure high-fidelity simulations.
• Modern Application Development: Build and deploy scalable applications using a modern, cloud-based architecture (TypeScript, , Docker, Kubernetes).
• Cross-Team Collaboration: Work closely with other team members for successful integration of models into broader simulation systems.

Required Qualifications

• 5+ years of software engineering experience.
• Programming Expertise: Proficiency in one or more high-level programming languages (e.g., TypeScript, Java, Python, C/C++).
• Relational Database Knowledge: Experience with PostgreSQL or similar database technologies.
• Team Collaboration: Ability to work independently and collaboratively in complex team environments.
• Communication Skills: Strong verbal and written communication skills to engage effectively with team members and stakeholders.

Required Education

• Bachelor's degree in computer science, data science, engineering, math, statistics, or a related field.

Required Clearance

• Active Top Secret SCI with CI Poly

Desired Certification

• Current certification compliant with DoD 8570 IAT Level 3 (CompTIA Security+ preferred).

Join a team that values collaboration, innovation, and purpose-driven work. At MTSI, we work tirelessly to advance aerospace and defense systems, delivering solutions that matter. Be part of a mission-focused organization that prioritizes professional growth, employee support, and national security.

Apply now
for the Senior Software Engineer role and take the next step in your career within a company dedicated to innovation and excellence.

Perks & Benefits
Vacation
New Hires Accrue 20 days of PTO and 10 Holidays per Year

Health Insurance
Zero Deductible Health Plans

Flexible Schedules
Flex Schedules

Professional Development
Up to $10,000 Annual Education/Training Reimbursement

ESOP
Funded Stock Ownership Plan

401k Match+
6% 401k Match + Immediate Vesting

Bonus Program
Semi-Annual Bonus Opportunity

Mentorship
Career Mentorship Programs

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 level of support and service, and reward them with some of the best benefits in the industry.
• 100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.

• Great Benefits - Most Full-Time Staff Are Eligible for:

• Starting PTO accrual of 20 days PTO/year + 10 holidays/year

• Flexible schedules
• 6% 401k match with immediate vesting up to $9k annually
• Semi-annual bonus eligibility (July and December)
• Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
• Up to $10,000 in annual educational reimbursement
• Other company funded benefits, like life and disability insurance

• Optional zero deductible Blue Cross/Blue Shield health insurance plan

• Track Record of Success: We have grown every year since our founding in 1993.

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

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit

EEO Statement
MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.