Modeling and Simulation Engineer - Integration and Analysis

The Johns Hopkins University Applied Physics Laboratory; Laurel (MD); On-site; USD 100,000 - 245,000; Full time

Job summary

The Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, MD, seeks a Modeling and Simulation (M&S) Engineer to develop and deploy integrated M&S software for performance analysis of missile defense components.

You will work in cross-functional teams to design, implement, and validate simulation workflows, translating results into clear sponsor insights. Proficiency in Python and C++ and Linux is required.

Qualifications

• Bachelor's degree in Math, Computer Science, Electrical Engineering or a related field.
• 2+ years of experience in software development and integration.
• Proficiency in Python and C++ with ability to translate concepts into well-documented, efficient code.
• Familiarity with Git.
• Familiarity with Make/CMake build systems.
• Comfort using a debugger in Linux environments.
• Clear communication of ideas and results.
• Eligibility for Interim Secret clearance, with potential for Top Secret.

Responsibilities

• Collaborate in cross-functional teams to select suitable modeling and simulation approaches.
• Architect integrated software solutions to optimize simulation workflows.
• Develop integration layers to enable interoperability between applications.
• Create and maintain scripts to orchestrate large-scale simulations.
• Prototype algorithms within models for concept exploration and feasibility studies.
• Diagnose and debug software defects and trace anomalous results.
• Analyze outputs and translate insights for sponsors.
• Deliver presentations to technical staff and sponsors.

Skills

Python

C++

Git

Linux debugging

Communication

Education

Bachelor's degree in Math/CS/EE or related field

Tools

Make

CMake

DIS

AFSIM

HLA

Docker/Podman

GPU computing

ML/AI

Job description

Job Summary

Do you love developing creative solutions to challenging problems?

Are you passionate about applying modeling and simulation to solve some of our country's critical challenges?

If so, we’re looking for someone like you to join our team at APL!

We are seeking a Modeling and Simulation (M&S) Engineer who will work in a collaborative environment to develop and deploy integrated M&S software applications, and utilize them for performance analysis of combat system components. You will be joining a hardworking team of engineers and scientists who are passionate about developing high‑impact solutions at the forefront of APL’s mission to provide innovative solutions to critical challenges in the area of missile defense.

Responsibilities

• You will work in cross‑functional research teams to identify and recommend the most suitable modeling and simulation approaches for study objectives.
• You will architect integrated software solutions to optimize simulation workflows and support rigorous analysis.
• You will develop integration layers to connect software applications and enable them to interoperate.
• You will create and maintain scripts to orchestrate and automate large‑scale simulation runs.
• You will insert algorithm prototypes into existing models, to support concept exploration and feasibility studies for the development of future advanced capabilities.
• You will diagnose and debug software defects while tracing and root‑causing anomalous simulation outcomes.
• You will analyze simulation outputs and translate results into clear insights for the research sponsor.
• You will deliver presentations to technical staff, program leadership, and government sponsors.

Qualifications

You meet the minimum requirements for the job if you…

• Possess a Bachelor’s degree in Math, Computer Science, Electrical Engineering or a related field.
• Have 2+ years of experience in software development and integration.
• Are proficient in Python and C++ with the ability to translate mathematical concepts into well‑documented and efficient code.
• Are adept with software revision control practices (e.g.: Git).
• Are familiar with software build systems like Make/CMake.
• Are comfortable using a debugger to troubleshoot code in a Linux environment.
• Can effectively communicate ideas and results.
• Are able to obtain an Interim Secret level security clearance by your start date and can ultimately obtain Secret level clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

You’ll go above and beyond our minimum requirements if you…

• Have an MS or higher degree in Engineering, Math, Computer Science, or a related field.
• Have 5+ years of experience in software development, integration, deployment, and maintenance.
• Are competent in a wide variety of programming languages, including MATLAB, C++, Python, and Java, on both Linux and Windows platforms.
• Are familiar with advanced programming language concepts such as object‑oriented features, templates, lambdas, map‑reduce techniques, and stream‑style collection manipulation.
• Are proficient with Linux shell scripting (bash, zsh, etc.).
• Have software development experience in parallel processing and multi‑threaded applications.
• Have worked with discrete‑time, event‑driven simulations.
• Have experience with distributed simulation technologies like DIS, AFSIM, and HLA.
• Have experience using high‑performance computing environments like GPUs and CPU clusters.
• Have knowledge and experience with AI/ML technologies and MLOps practices.
• Have work experience with containerization and running containers using Podman or Docker.
• Have the ability to obtain a Top Secret clearance.

About Us

Why Work at APL?

The Johns Hopkins University Applied Physics Laboratory (APL) brings world‑class expertise to our nation’s most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates.

At APL, we celebrate our differences of perspectives and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL’s campus is located in the Baltimore‑Washington metro area. Learn more about our career opportunities at https://www.jhuapl.edu/careers.

All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law. APL is committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contact [e-mail].

The referenced pay range is based on JHU APL’s good faith belief at the time of posting. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training and skill level with consideration for internal parity. For salaried employees scheduled to work less than 40 hours per week, annual salary will be prorated based on the number of hours worked. APL may offer bonuses or other forms of compensation per internal policy and/or contractual designation. Additional compensation may be provided in the form of a sign‑on bonus, relocation benefits, locality allowance or discretionary payments for exceptional performance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short‑term disability, long‑term disability, flexible spending accounts, education assistance, and training and development. Applications are accepted on a rolling basis.

Minimum Rate

$100,000 Annually

Maximum Rate

$245,000 Annually