Modeling, Simulation, & Algorithms Engineer

Qualis LLC is seeking a Modeling, Simulation & Algorithms Engineer to support the development of advanced RF, Electronic Warfare (EW), Positioning, Navigation, and Timing (PNT), communications, and autonomous systems technologies.

This role focuses on the development of analytical models, simulations, algorithms, and performance assessments used to evaluate emerging technologies and guide system design decisions. The selected candidate will work closely with RF, software, systems, and FPGA engineers to evaluate system performance, develop novel algorithms, and support next-generation sensing, navigation, and electronic warfare capabilities.

The ideal candidate combines strong analytical skills with hands-on experience developing simulations and performance models using modern engineering tools and programming languages.

Responsibilities

• Develop and maintain analytical models and simulations supporting RF, EW, PNT, and communications systems.
• Perform system performance assessments, trade studies, and sensitivity analyses.
• Develop algorithms supporting navigation, signal processing, tracking, detection, classification, and sensor fusion applications.
• Build MATLAB and Python-based simulation environments to evaluate system concepts and mission effectiveness.
• Support development of digital engineering models and architecture evaluations.
• Analyze experimental and test data to validate models and improve system performance predictions.
• Collaborate with systems, RF, software, and FPGA engineers to support technology development and prototype demonstrations.
• Support proposal efforts, customer briefings, technical reports, and future technology roadmaps.

Required Qualifications

• Bachelor's degree from an ABET accredited college or university in Electrical Engineering, Aerospace Engineering, Applied Mathematics, Physics, Computer Engineering, or related technical field.
• 5+ years of experience developing engineering models, simulations, or algorithms.
• Proficiency with MATLAB and Python.
• Experience performing engineering trade studies and quantitative performance analysis.
• Strong analytical, mathematical, and problem-solving skills.
• Ability to communicate technical concepts to multidisciplinary teams and customers.
• U.S. Citizenship and ability to obtain and maintain a security clearance.

Desired Qualifications

• Experience with Positioning, Navigation, and Timing (PNT) systems.
• Experience with GPS/GNSS technologies.
• Experience with Electronic Warfare, RF sensing, communications, or signal intelligence systems.
• Experience with estimation theory, Kalman filtering, tracking, or sensor fusion.
• Experience with machine learning or artificial intelligence techniques.
• Experience with Monte Carlo simulation and statistical analysis.
• Experience with guidance, navigation, and control (GNC) systems.
• Experience with digital signal processing.
• Active security clearance.

What You’ll Work On

• Alternative PNT technologies
• RF sensing and signal exploitation
• Electronic Warfare systems
• Mission engineering and trade studies
• Navigation and tracking algorithms
• Sensor fusion applications
• AI-assisted RF analysis
• Advanced technology demonstrations and prototypes

Why Join Us

You will work alongside experienced RF, EW, and PNT experts developing advanced technologies that address challenging national security problems. This role provides the opportunity to influence system design decisions, develop innovative algorithms, and contribute to the next generation of RF-enabled mission capabilities.

Qualis LLC has a comprehensive benefits package based on employment type, location, and applicable agreements that includes:

• Health, dental, and vision insurance
• 401(k) match
• Paid time off and Holidays
• Educational, professional development and certification reimbursement.
• Tax-saving options
• Disability and Life Insurance

Qualis LLC is committed to hiring and retaining a diverse and talented workforce who can contribute to the mission and vision of the Company. Our employees are our greatest asset, and we promote a positive work environment, teamwork, professional growth, innovation, community involvement, flexible scheduling and a family-friendly work environment.