Senior M&S Software Developer
Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Jul 20, 2026. Parsons scores B on the Alion truth index.
Job Description:
Parsons is seeking an exceptionally talented Sr. M&S Software Developer to join our team! In this role, you will be a key member of a collaborative development team of engineers and software developers, working together to assess systems and develop medium-to-high fidelity software models of real-world threat weapon systems that accurately capture the capabilities and limitations of both emerging and fielded systems.
What You'll Be Doing:
Develop and enhance software digital twins using C++ and Python on Windows and Linux platforms, including:
Modeling advanced threat systems such as Surface-to-Air Missile Systems (SAMs), radar platforms, and missile seekers
Developing high-fidelity propagation effects, including terrain masking, refraction, and over-the-horizon propagation
Creating tracking filters and signal processing chains for radar and electronic warfare systems
Support simulation studies and integrate models into larger mission-level simulations.
Develop algorithms and techniques for Sensors, Missiles, and C4, including active/passive detection, clutter modeling, electronic attack, waveform selection, adaptive beamforming, and weapon/target assignment optimization.
Understand and develop engineering designs provided by the customer, collaborating with the team to create software models at the required fidelity to meet customer goals.
Define requirements and design solutions for modeling and simulation (M&S) software.
Plan, develop, and execute automated unit, system, and system-of-systems tests.
Participate in technical discussions to support both near-term and long-term planning.
Collaborate within a team environment and mentor junior and mid-level software developers.
Required Clearance:
Must be a U.S. Citizen and possess an active Secret clearance.
Must be willing and able to obtain and maintain a TS/SCI clearance.
What Required Skills You'll Bring:
Master’s degree in Computer Engineering, Computer Science, Electrical Engineering, or equivalent with 12+ years of experience, OR
Bachelor’s degree with 17+ years of experience.
Strong programming skills in C++ and Python.
Experience developing products with regular release cycles.
Excellent written and oral communication skills, with the ability to collaborate with technical teams and classified customers.
Experience in DevOps or DevSecOps environments.
What Desired Skills You'll Bring:
Software development experience in a DevOps or DevSecOps environment.
Experience working in an AGILE software development team.
Experience mentoring junior team members.
Experience designing, developing, or operating code for distributed processing environments.
Experience working with environmental datasets, Command-and-Control, and RF propagation.
Security Clearance Requirement:
An active Secret security clearance is required to apply, however, the selected candidate must be able to obtain a Top Secret SCI clearance prior to the start date.This position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $148,300.00 - $266,900.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.