Senior Mission Modeling and Simulation Software Engineer (Defense)

TL;DR

Senior Mission Modeling and Simulation Software Engineer (Defense/Simulation): Building a decision-support platform for national security operations with an accent on scenario execution layers and operational domain models. Focus on defining action spaces, effects models, and constraint templates to generate optimized courses of action under uncertainty.

Location: Remote (Must be based in the US and eligible for TS/SCI clearance)

Salary: $86,900 – $198,000

Company

hirify.global is a leading professional services firm providing mission-critical support for national security and defense operations.

What you will do

• Own the scenario execution layer and operational domain models for a decision-support platform.
• Define action spaces, effects models, and constraint templates for solver reasoning.
• Build the execution harness and vignettes demonstrating cross-domain composition.
• Translate operational concepts and doctrine into software-representable structures.
• Collaborate within an elite team using AI-native tooling to deliver operationally relevant systems.

Requirements

• 5+ years of experience developing software for modeling, simulation, or mission planning in defense, intelligence, or national security.
• Experience building domain models representing operational scenarios (entity definitions, action spaces, effect chains).
• Expertise in effects modeling for cyber operations, electronic warfare, or information activities.
• Ability to obtain a TS/SCI clearance with a polygraph.
• Bachelor’s degree in Computer Science, Systems Engineering, or Operations Research.

Nice to have

• Experience building effects catalogs or target-effects pairing systems.
• Experience with simulation frameworks, wargaming platforms, or digital twin environments.
• Experience integrating physics-based or surrogate models into scenario workflows.
• Academic research background in operations research or effects-based operations.
• Master’s degree in a related technical field.

Culture & Benefits

• Comprehensive health, life, disability, and retirement benefits.
• Paid leave and professional development opportunities.
• Tuition assistance and work-life balance programs.
• Support for virtual collaboration with a people-first culture.
• Recognition awards for exceptional performance.