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Requisition Number: 26289

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $90,156.00 - $175,000.00

Security Clearance: TS/SCI

Level of Experience: Mid HI

This opportunity resides with All-Domain Operations (ADO), a business group within HII’s Mission Technologies division. All-Domain Operations comprises multi-domain operations, platforms and logistics, and intelligence operations.

HII designs, develops, integrates and manages the sensors, systems and other assets necessary to support integrated ISR operations and accelerated decision-making. With data fusion and mission management capabilities for the Department of Defense, the combatant commands and the intelligence community, HII advances the mission around the globe.

Meet HII’s Mission Technologies Division

Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.

To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072

Who We Are

HII - Mission Technologies is seeking multiple Simulation and Modeling Engineers at our Crane, Indiana location. We are seeking both a seasoned Subject Matter Expert (SME) and a motivated Junior Engineers in Advanced Simulation & Modeling, with emphasis on Systems Tool Kit (STK). The SME will lead mission analysis, scenario development, and multi-domain simulation efforts, driving technical innovation and mentoring junior staff while providing authoritative guidance on aerospace and defense programs. The Junior Engineer roles are ideal for early-career professionals with foundational STK experience who are eager to grow their expertise in mission analysis and simulation under the mentorship of senior engineers. Together, these roles support high-impact projects shaping the future of defense and aerospace operations.

What You Will Do

Senior Roles:

+ 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

Junior Roles:

+ 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

What We Are Looking For

Senior Roles:

+ 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

Junior Roles:

+ 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 experience acceptable)

+ Familiarity with STK and basic scripting (Python, MATLAB)

+ Strong analytical and problem-solving skills

+ Secret clearance

Preferred: Bonus Points For...

Senior Roles:

+ Experience with DoD mission planning

+ Familiarity with Monte Carlo simulations and uncertainty analysis

+ Strong communication and leadership skills

Junior Roles:

+ 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

#LI-DK1

Physical Requirements

Adequate visual acuity and manual dexterity for meeting the requirements of job.

HII is more than a job - it’s an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.

Why HII

We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.

Together we are working to ensure a future where everyone can be free and thrive.

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, or veteran status or any other basis protected by federal, state, or local law.

Do You Need Assistance?

If you need a reasonable accommodation for any part of the employment process, please send an e-mail to [email protected] 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. Press #3 for HII Mission Technologies.