Modeling and Simulation Software Integration Engineer, Mid/Senior-Level

Simtechinc; Huntsville (AL); On-site; USD 90,000 - 130,000; Full time

Job summary

SimTech, Inc. in Huntsville, AL, is seeking a Modeling and Simulation Software Integration Engineer, Mid/Senior-Level, to join a dynamic team supporting MDA HWIL environments and DoD partnerships.

The role includes integrating, testing, and operating HWIL simulations, installing OSF systems, analyzing performance, and documenting results for test events. Some travel and security clearance requirements apply.

Qualifications

• Requires a Bachelor's degree or higher in engineering, computer science, mathematics or equivalent.
• 5-7 years of related technical experience.
• Familiarity with containerized applications in a cloud-based environment and OSF or similar tools.
• Experience with DoD programs or defense systems is preferred.
• U.S. Citizenship with Active Secret (TS preferred) security clearance and ability to maintain clearance.

Responsibilities

• Support integration, testing, and operation of HWIL simulation environments for ground and flight tests.
• Install, configure, and test OSF systems per program requirements.
• Analyze HWIL architecture performance and resolve hardware/software integration issues.
• Evaluate network traffic and ensure secure, reliable connections.
• Document configurations, procedures, and results; generate reports for test events.

Skills

System administration

Security+ certification

Linux+

Education

Bachelor's degree or higher in Engineering, Computer Science, Mathematics

Tools

Objective Simulation Framework (OSF)

Job description

Modeling and Simulation Software Integration Engineer (Mid-Senior)

Overview

SimTech, Inc., recognized as one of the 2026 Best Places for Working Parents, is seeking a Modeling and Simulation Software Integration Engineer, Mid/Senior-Level to join our dynamic and diverse team in Huntsville, AL.

SimTech offers a market leading compensation package with excellent benefits, work/life balance, outstanding retirement plan, career advancement and much more.

The M&S Software Integration Engineer, Mid/Senior-Level will support the mission of the Missile Defense Agency (MDA) Engineering Directorate Modeling & Simulation (M&S) Office to test the Missile Defense System (MDS) in a distributed Hardware-In-the-Loop (HWIL) simulation environment, including MDS Ground Test (GT) events and MDS Flight Test support (pre-mission risk reduction, mission execution team training, and post-flight reconstruction), as well as M&S development and test support to other Department of Defense (DoD) Partners.

Responsibilities

Support the integration, testing, and operation of HWIL simulation environments for MDS Ground Tests, Flight Tests, and continuous integration activities.

Conduct installation, configuration, checkout, and testing of Objective Simulation Framework (OSF) systems in accordance with program requirements.

Analyze HWIL architecture performance and assist in identifying and resolving hardware/software integration issues.

Evaluate and troubleshoot network traffic and connections.

Responsible for installing and configuring M&S Framework in compliance with program instructions, ensuring functionality between MDA elements, and documenting configurations and results within the government lab.

Execute test scenarios, including threat modeling and simulation for mission-specific requirements.

Document system configurations, test procedures, and results, and generate reports to support test events and analysis.

Adhere to current processes and procedures, provide status as requested, and collaborate with team members in person and electronically.

Collaborate with teams and support mission planning, execution, and post-event analysis for ground and flight test activities, including pre-mission risk reduction and post-flight reconstruction.

Performs other duties as assigned.

Minimum Qualifications & Education Requirements and Desired Skillsets

Bachelor's degree or higher in Engineering, Computer Science, Mathematics or equivalent from an accredited institution required.

5-7 years of related technical experience.

System Administration experience and certifications such as Security+ and/or Linux+ are highly desirable.

Familiarity with operating and managing containerized applications in a cloud-based environment.

Experience supporting Missile Defense Agency (MDA) programs or similar defense systems. Familiarity with Objective Simulation Framework (OSF) or similar simulation tools.

Familiarity with GMD System Trainer (GST),with BCM - Ballistic Missile Defense System (BMDS) Command and Control, Battle Management, and Communications (C2BMC) Model, and with TGx – Threat Generator External.

Software testing background with experience in the development of software test plans, test procedures, and test reports.

Prior Test and Evaluation (T&E) experience supporting Pre-Flight/Ground Testing supporting Missile Defense Agency (MDA).

This role requires the ability to travel up to 25-30% to support mission-critical events and meetings.

Occasional night and weekend work is expected to meet critical testing schedules and event-driven timelines.

U.S. Citizenship with Active Secret (TS preferred) Security clearance and ability to maintain the designated security clearance level is required.

Physical Description

Employees in these positions will function in a general office/cubicle setting environment, and laboratory/testing setting using standard office equipment and various electronic testing equipment, including a computer, telephone, printers, video equipment, computer software and testing equipment. Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework. May function in a specialized laboratory/testing environment using electronic testing equipment, computer software and complex systems. May move and test equipment of various weights. Laboratory environment may require use of protective equipment (PPE) including but not limited to safety glasses and protective hearing and footwear. May be expected to work varying shifts and hours to ensure successful operation of activities in the organization due to business demands; travel occasionally for assigned work.

About SimTech, Inc.

SimTech's mission is to be the most reliable and cost-effective provider of Signature Models, Simulations, Hardware, Software, Cyber solutions, and Test & Evaluation services. Established in 1983 by a team of experienced scientists and engineers, SimTech has a long history of delivering high-technology defense-oriented solutions.

The company has been recognized as a "Best Place to Work" in 2020 and 2021, and as a "Best Place for Working Parents" in 2022-2026 by the Huntsville/Madison County Chamber of Commerce.

SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 43+ years of excellence-join our team today!

To learn more about our exceptional team and employee benefits, contact SimTech HR or visit www.simtechinc.com for more information.

Equal Employment Opportunity and Aff…

SimTech, Inc. is an Equal Opportunity/Affirmative Action Employer. SimTech, Inc. is a committed EOE/Vet/Disabled employer.

Simulation Technologies, Inc. (SimTech) is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, [e-mail] and/or phone number (256.428.2910) to contact us about your interest in employment with SimTech.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. SimTech participates in E-Verify.