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Modeling and Simulation Engineer III - IV

Kratos Defense and Security Solutions
Roseville, CA Full Time
POSTED ON 5/14/2026
AVAILABLE BEFORE 6/19/2026
Job Description

Kratos Defense & Security Solutions, Inc., is a leading defense technology company focused on unmanned systems, satellite communications, cyber security/warfare, microwave electronics, missile defense, training, and combat systems. Our customers include the U.S. federal government, foreign governments, commercial enterprises, and state and local government agencies. At Kratos, we prioritize affordability as a cornerstone of our technology. We leverage proven, cutting-edge methodologies and technology to minimize costs, streamline schedules, and mitigate risks, ensuring timely delivery of cost-effective solutions to market.

Kratos Unmanned Aerial Systems (KUAS), a division of Kratos Defense, is renowned for its expertise in developing, delivering, integrating, and supporting high-performance, cost-effective, jet-powered Unmanned Aerial Systems (Targets and Tactical). As a mid-tier defense contractor, we've demonstrated agility and innovation in providing aircraft to the US military and global allies and partners. Our track record of delivering top-notch jet-powered subscale targets has established us as a go-to defense contractor capable of delivering capabilities at an affordable price.

At KUAS, we prioritize innovation, collaboration, and growth. Our team collaborates to cultivate a supportive and dynamic workplace, fostering creativity and promoting professional development while honoring personal and family lives. Join our team and help shape the future of unmanned technology within the defense industry today!

GENERAL JOB SUMMARY:

Perform a diverse array of engineering tasks related to the simulation of Unmanned Aerial Vehicles and associated subsystems modeling in support of software and hardware integration and test environments.

ESSENTIAL JOB FUNCTIONS:

  • Simulation of airframe dynamics, systems, subsystems, and environmental conditions.
  • Generation and maintenance of six degree of freedom (6DOF) simulations.
  • Support integration with software in the loop (SWIL) and hardware in the loop (HWIL) simulations.
  • Support various hardware/software design, test, troubleshooting, and documentation activities.
  • Analyses in support of requirements generation, verification, and validation.
  • Prepare formal, controlled engineering documentation (i.e. design documentation, test plans, technical reports, etc.).
  • Prepare and present design review material in support of technical interchange meetings with suppliers and external/internal customers.
  • Support customer training activities.
  • Foreign and domestic travel to support test activities.
  • Other duties may be assigned.

Modeling and Simulation Engineer III

  • Performs complex engineering tasks as assigned by their manager.
  • Supports program planning of engineering activities through detailed scope definition.
  • May act as System Engineer to help communicate top level requirements to subsystems and determine proper verification and validation methods.
  • Reports progress on engineering efforts to technical leadership.
  • Provides direction and oversight, both technically and programmatically, to Modeling and Simulation Engineers.
  • Establishes and maintains best practices for design, analysis, and testing responsibilities held by the Flight Sciences group.
  • Mentors Level I-II Modeling and Simulation Engineers.

Modeling and Simulation Engineer IV

  • Provide oversight to the Modeling and Simulation group to help prioritize and delegate group work given the company’s programmatic requirements.
  • Manages the engineering team’s effort and time within the budget and schedule provided for the task.
  • Acts as key liaison for programs (both internal and external) on all matters having to do with aerodynamic design and performance, propulsion, modeling and simulation, and verification.
  • Stays current on the "state-of-the-practice" through training and industry involvement/exposure, and mentors the Modeling and Simulation group with this knowledge.
  • Mentors Level I-III Modeling and Simulation Engineers.

SUPERVISORY RESPONSIBILITY:

None

COMPENSATION: $120,000 - $180,000

Experience And Skills

KNOWLEDGE, SKILLS & ABILITIES:

Required:

  • Highly self-motivated.
  • Versatile and adaptable to diverse engineering problems.
  • Demonstrated strength in one or more of the listed essential job functions.
  • Demonstrated focus on customer satisfaction.
  • Demonstrated strong communication skills.
  • Must be able to work in a multidisciplinary team environment.
  • Ability to travel as necessary to perform job duties.
  • Ability to maintain sensitive and confidential information as required by government standards.
  • Ability to interact effectively with peers and supervisors.
  • Ability to interact appropriately with the public when necessary.
  • Ability to adhere to workplace rules.

Preferred:

  • MATLAB and Simulink experience strongly preferred.
  • Familiarity with C/C is strongly preferred.
  • Familiarity with unmanned aircraft systems and operations is preferred.
  • Experience with software in the loop simulation is preferred.
  • Experience with hardware in the loop simulation is preferred.

EDUCATION AND EXPERIENCE:

Modeling and Simulation Engineer III

  • Requires BS degree in Engineering (Aeronautical/Aerospace Engineering preferred).
  • 6 years related experience in related engineering discipline.
  • 3 years lead engineer experience in the aerospace industry.

Modeling and Simulation Engineer IV

  • Requires BS degree in Engineering (MS Aeronautical/Aerospace Engineering preferred).
  • 11 years related experience in related engineering discipline.
  • 6 years lead engineer experience in the aerospace industry.

WORK ENVIRONMENT/PHYSICAL REQUIREMENTS:

  • Office and or manufacturing environment.
  • Ability to stand and sit for long periods of time.
  • Ability to perform repetitive motion (keyboarding, 10-key phones).
  • Frequent outside contact with customers and suppliers.
  • May work extended hours or weekends.
  • May be required to lift up to 50 pounds in accordance with KUAS General Safety Training guidelines.

TRAVEL REQUIREMENTS:

  • 10-25% May be required to support flight test activities, new business development, and customer maintenance occasionally.

THE ABOVE STATEMENTS ARE INTENDED TO DESCRIBE THE GENERAL NATURE AND LEVEL OF WORK BEING PERFORMED BY INDIVIDUALS ASSIGNED TO THIS CLASSIFICATION. THEY ARE NOT INTENDED TO BE CONSTRUED AS AN EXHAUSTIVE LIST OF ALL RESPONSIBILITIES, DUTIES AND SKILLS REQUIRED OF PERSONNEL SO CLASSIFIED.

A REVIEW OF THIS CLASSIFICATION HAS EXCLUDED THE MARGINAL FUNCTIONS OF THE CLASSIFICATION THAT ARE INCIDENTAL TO THE PERFORMANCE OF FUNDAMENTAL JOB JUTIES. ALL DUTIES AND RESPONSIBILITIES ARE ESSENTIAL JOB FUNCTIONS AND REQUIREMENTS AND ARE SUBJECT TO POSSIBLE MODIFICATION TO REASONABLY ACCOMMODATE INDIVIDUALS WITH DISABILITIES TO PERFORM THIS JOB PROFICIENTLY. THE REQUIREMENTS LISTED IN THIS DOCUMENT ARE THE MINIMUM LEVELS OF KNOWLEDGE, SKILLS, OR ABILITIES.

Job Benefits

  • Medical, Dental & Vision Insurance Coverage
  • Life/ADD & Short/Long Term Disability Insurance
  • 401(k) Savings Plan
  • Employee Stock Purchase Plan (ESPP)
  • Paid Time-Off (PTO)
  • Holidays
  • Education Reimbursement

Kratos Defense is an Equal Opportunity Affirmative Action Employer. EOE, Minorities, Females, Vet, Disabled, Sexual Orientation, Gender Identity or any other protected class. All qualified job seekers are encouraged to apply. Kratos Defense is committed to America's veterans by providing opportunities for them to continue contributing after service to our nation. We also work to provide reasonable accommodations to individuals with disabilities.

EEO Is The Law

Disability Accessibility Accommodation
If you require an accommodation to navigate or apply to our careers site, please send your request to HRAccessibility@kratosdefense.com or call 858-964-2916. Any inquires not related to requesting an accommodation will be discarded.

Pay Transparency
The company will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant.

Job Applicant Privacy Notice
For applicants in the EU and California residents, please review our privacy notice.

Salary : $120,000 - $180,000

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