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Lead Modeling and Simulation Engineer

SixGen, Inc.
CompanySixGen, Inc.
CategoryEngineering
LocationOnsite
RemoteOn-site (inferred)
EmploymentNot stated
LevelLead
SalaryNot stated by the employer
Posted27 Apr 2026
Last verified30 Jul 2026
SourceEmployer career page (greenhouse)
Applications are handled by the employer, not by us.Apply on the employer's site →
Description
SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. POSITION OVERVIEW Position: Lead Modeling and Simulation Engineer Job Type: Full Time Location: Onsite  Clearance Requirements: TS/SCI & Poly (MUST HAVE) Travel: Up to 10% ABOUT THE TEAM SIXGEN supports missions by serving government and commercial organizations as they overcome global cybersecurity challenges. In this position, you’ll provide meaningful support to our customer’s missions and operations. You’ll work alongside a team of highly skilled operators who are dedicated to using innovative processes, tools, and techniques to get things done.  Key Responsibilities   Lead the development and implementation of cyber-physical and virtual simulation environments, including test ranges and emulated networks  Design and execute modeling frameworks to replicate real-world systems, threats, and operational scenarios  Integrate live, virtual, and constructive (LVC) simulation capabilities to support training, testing, and mission rehearsal  Collaborate with cyber operators, engineers, and analysts to ensure simulations accurately reflect threat behaviors and mission requirements  Oversee the validation and verification (V&V) of models and simulation outputs to ensure accuracy and reliability  Support data collection, analysis, and visualization from simulation activities to inform decision-making  Ensure compliance with DoD/IC modeling and simulation standards, cybersecurity requirements, and system accreditation processes  Required Qualifications   Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or a related technical field  10+ years of experience in modeling and simulation, cyber range development, or systems engineering  Demonstrated experience with simulation tools and frameworks (e.g., MATLAB, Simulink, STK, ns-3, OMNeT++, or similar)  Experience supporting cyber operations, test and evaluation (T&E), or training environments  Strong understanding of network architectures, operating systems, and cyber threat behaviors  Active TS/SCI clearance (or ability to obtain/maintain)  Desired Qualifications   Experience with cyber range platforms and adversary emulation tools  Familiarity with MITRE ATT&CK, cyber kill chain analysis, and threat modeling  Knowledge of cloud-based simulation environments and containerized architectures  Experience with DevSecOps pipelines supporting simulation and testing environments  Key Competencies   Systems thinking and complex problem-solving  Ability to translate mission needs into technical simulation environments  Strong communication skills to interface with both technical and operational stakeholders  Leadership experience managing M&S teams or large-scale simulation efforts COMPENSATION & BENEFITS $200,000 USD The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. The final salary offer will be determined after a thorough review of the candidate's background and alignment with the role. Additionally, SIXGEN offers top-tier benefits for full-time employees, including: Employer-paid health insurance premiums (medical, dental, vis
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Lead Modeling and Simulation Engineer — SixGen, Inc. · Job Opportunities API