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Stellar Solutions, a nationally recognized “Great Place To Work”, has exciting opportunities providing engineering solutions for innovative new-entrant space companies, established space systems manufacturers, commercial space operators, and other industry stakeholders across the national security space community.

Stellar Solutions is seeking a Mission Modeling & Simulation Engineer to support advanced mission engineering and digital analysis efforts within SSIO. In this role, you will contribute to enterprise-level mission thread analysis, architecture assessments, and large-scale simulation activities supporting next-generation space and defense capabilities.

This position offers the opportunity to work across mission engineering, digital engineering, modeling & simulation, and systems analysis efforts supporting highly visible national security space programs. The selected candidate will collaborate with government customers, SETA/FFRDC organizations, and industry partners to support mission analysis activities that inform operational risk, architecture trade studies, and future capability decisions.

In this role, you will:

• Develop and execute mission-level modeling and simulation analyses supporting space and ground mission architectures
• Support mission thread analysis, architecture evaluations, and system-level trade studies
• Analyze simulation outputs and communicate technical findings to program leadership and government stakeholders
• Support technical interchange meetings, customer briefings, mission analysis reviews, and demonstrations to government stakeholders
• Collaborate with government, SETA, FFRDC, and contractor teams supporting enterprise mission engineering initiatives
• Assist with development of scalable cloud-based simulation and analysis workflows
• Support development of reusable modeling, simulation, and analysis frameworks
• Contribute to identification and assessment of mission risks, issues, and gaps (RIG)
• Develop high-fidelity simulation software and analysis tools for a diverse range of complex systems and validate these models against real-world data
• Perform code review for peers and provide technical feedback and suggestions to other engineering teams to drive platform improvement

Required Qualifications:

• Bachelor’s degree in Aerospace Engineering, Systems Engineering, Electrical Engineering, Physics, Mathematics, Computer Science, or related technical discipline
• 3–7 years of experience in modeling & simulation, systems engineering, mission analysis, mission engineering, or digital engineering
• Experience supporting space, missile defense, OPIR, SDA, BMC3, or related national security space programs
• Experience with one or more technical tools/languages such as MATLAB, Python, , or similar modeling and analysis environments
• Strong analytical and problem-solving skills
• Strong data analysis skills working with large datasets
• Ability to communicate technical concepts effectively to both technical and non-technical audiences
• Experience working in collaborative, multi-organization technical environments
• Experience supporting customer briefings or technical presentations
• Experience supporting mission engineering or enterprise architecture analysis efforts
• Active TS/SCI clearance 

Preferred Qualifications:

• Familiarity with MBSE and digital engineering methodologies
• Experience with cloud-based simulation or distributed analysis environments
• Knowledge of space mission architectures, constellation analysis, or missile warning/tracking systems
• Experience supporting SSC, Space Force, SDA, or related defense organizations

Compensation:

The typical salary pay range for this position is USD $120,000 – $150,000 annually. Several factors are considered when extending an offer, including but not limited to, the role responsibilities, candidate’s work experience, education/training, key skills, internal peer equity, as well as market and business considerations.

In addition to base salary, this position is eligible for a comprehensive total rewards package that includes an annual performance bonus, an employer-funded Profit-Sharing Plan (PSP) contribution based on base compensation, and comprehensive employer-paid medical benefits, PTO pay-out options, along with additional company-sponsored benefits. All of these benefits represent an additional 30-40% to your base compensation for a total compensation package.

You will be part of a highly collaborative team supporting mission-critical national security space initiatives at the forefront of mission engineering and digital transformation. This role provides the opportunity to contribute to enterprise-scale modeling and simulation efforts that directly influence future operational capabilities and strategic mission decisions.