Junior and Senior Simulation and Modeling Engineers; Cloud Engineer

Company Overview

HII’s Mission Technologies Division delivers all‑domain expertise in support of integrated ISR operations and accelerated decision‑making. With data fusion and mission management capabilities for the Department of Defense, the division advances the mission worldwide.
Our team of more than 7,000 professionals worldwide delivers advanced technologies for mission partners across the globe.

HII – Mission Technologies is seeking Simulation and Modeling Engineers at our Crane, Indiana location. We are hiring both a seasoned Subject Matter Expert and a motivated Junior Engineer in Advanced Simulation & Modeling, with emphasis on Systems Tool Kit (STK).

• Lead complex STK scenario development for space, air, and ground systems
• Conduct mission analysis, coverage studies, and trade‑off evaluations for satellite constellations and defense systems
• Integrate STK with external tools (MATLAB, Python, C++, Simulink) for automated workflows
• Provide technical leadership and mentorship to junior engineers
• Collaborate with program managers and stakeholders to define simulation requirements and deliverables
• Author technical reports, white papers, and presentations for internal and external audiences

• Support STK scenario creation for satellite, aircraft, and ground systems
• Assist in coverage analysis, trajectory modeling, and system performance evaluation
• Automate basic workflows using Python or MATLAB
• Document results and contribute to technical reports
• Collaborate with senior engineers to learn best practices in simulation and modeling

• Master’s or Ph.D. in Aerospace Engineering, Systems Engineering, or related field
• 8+ years of experience in simulation, modeling, and mission analysis
• Expert‑level proficiency in STK, including scripting and API integration
• Strong background in orbital mechanics, trajectory optimization, and communication link analysis
• Demonstrated ability to lead technical teams and deliver complex projects
• TS/SCI clearance

• Bachelor’s degree in aerospace engineering, Mechanical Engineering, Computer Science, or related field
• 0–2 years of experience in simulation/modeling (internship or academic project acceptable)
• Familiarity with STK and basic scripting (Python, MATLAB)
• Strong analytical and problem‑solving skills
• Secret clearance

• Experience with DoD mission planning
• Familiarity with Monte Carlo simulations and uncertainty analysis
• Strong communication and leadership skills

• Exposure to mission planning, or systems engineering coursework
• Ability to learn quickly and adapt to new tools
• Strong teamwork and communication skills
• TS/SCI clearance

Adequate visual acuity and manual dexterity to meet the requirements of the job.

Competitive benefits such as best‑in‑class medical, dental and vision plans; wellness resources; employee assistance programs;
Savings Plan Options (401(k)); financial planning tools; life insurance; employee discounts; paid holidays; paid time off; tuition reimbursement; early childhood and post‑secondary education scholarships. Bonus/other non‑recurrent compensation may be offered for qualified positions.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, veteran status or any other basis protected by federal, state, or local law.

If you need a reasonable accommodation for any part of the employment process, please send an e‑mail to and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case‑by‑case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1‑844‑849‑8463 for assistance.

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