Senior Modeling and Simulation Engineer

At Imagine Believe Realize, LLC we are driven by innovation, transformation and a relentless pursuit of excellence. As an industry leader delivering impactful results, we thrive on solving complex technical challenges and developing cutting-edge solutions that empower our customers and advance critical missions.

IBR is a fast-growing company fueled by passion, curiosity, and innovative thinking – where every team member has the opportunity to continuously learn, unlock their full potential, and redefine what is possible in engineering and technology. If you are inspired by innovation, eager to make a difference, and ready to bring your creativity and expertise to a mission-focused team, we invite you to join us and together, we will shape the future. Let’s Make It Real!

The Senior Modeling and Simulation Engineer must be able to meet the key criteria below:

Location: 100% remote. This is a United States based position, and candidates must reside in the continental United States to be eligible for employment.

Years’ Experience: 12+ years professional IT experience

Education: Bachelors degree in IT related field

Security Clearance: Must currently possess an active Secret security clearance

Employment Type: Full Time

Work Schedules: IBR promotes work-life balance by offering flexible scheduling options. Standard business hours are aligned to the Eastern Time Zone.

Key Skills:

• Experience developing, sustaining, or leading technical efforts for legacy Modeling and Simulation, training, or mission planning systems, including models, systems, and interfaces
• Must have deep understanding of legacy environments with hands on experience
• Willing to travel up to 10-15%.
• CompTIA Security + certification required
• One or more of the following certifications preferred:
  • CISSP
  • CySA+
  • AWS or Azure Cloud Security certification
  • Kubernetes or container security certification

Position Overview

As a Senior Modeling and Simulation Engineer at IBR, you will serve as the technical lead for sustaining and transitioning a complex legacy Modeling and Simulation and training baseline within a broader operational portfolio. This role includes technical leadership and management responsibilities. You will be responsible for balancing short-term reliability of mission critical legacy training capabilities with long term modernization and integration objectives. A deep understanding of legacy environments, coordination skills, and the ability to lead engineers while working closely with Government stakeholders, cybersecurity teams, and program leadership.

Responsibilities

• Lead technical sustainment and transition of a legacy Modeling and Simulation or training baseline within a larger operational portfolio.
• Serve as the primary technical authority for understanding legacy behaviors, interfaces, dependencies, and operational constraints.
• Coordinate daily with engineering teams, incumbent contractors, and Government stakeholders to support sustainment and transition activities.
• Guide engineers implementing fixes, integrations, and transition paths while ensuring legacy training and simulation artifacts remain operational.
• Support transition engineering efforts that integrate legacy systems into broader, modernized environments.
• Translate operational tactics, techniques, and procedures into simulation requirements and behaviors.
• Partner with cybersecurity and DevSecOps teams to address findings, maintain compliance, and ensure legacy components remain deployable.
• Provide technical leadership, risk awareness, and execution discipline across sustainment and modernization efforts.
• Contribute to technical planning, execution tracking, and continuous improvement activities.
• Work with government operators, planners, and engineers to ensure new capabilities and scenarios accurately represent mission needs and transition plannings.

Qualifications

• Must have 12+ years professional engineering experience
• Must currently possess an active Secret security clearance
• Must be willing to travel up to 10-15% to project sides specific Air Force Bases.
• Bachelors degree required.
• An active CompTIA Security+ certification is required.
• One or more of the following certifications preferred:
  • CISSP
  • CySA+
  • AWS or Azure Cloud Security certification
  • Kubernetes or container security certification
• Demonstrated experience developing, sustaining, or leading technical efforts for legacy Modeling and Simulation, training, or mission planning systems, including models, systems, and interfaces
• 2+ years of military mission planning, operational, or wargaming experience and supporting simulation or training environments used by operational or command organizations
• Experience transitioning legacy systems into modern, service-based or cloud-enabled architectures
• Experience translating operational tactics, techniques, and procedures into simulation requirements and behaviors.
• Exposure to environments where modern and legacy systems coexist
• Proven experience integrating and fielding simulation or training capabilities in operational environments
• Experience working with cloud-based services such as AWS or Azure and RESTful architectures used to host or integrate legacy capabilities
• Demonstrated ability to lead technical sustainment and transition activities for legacy systems
• Experience advising software and M&S teams on scenario design, federation use, and training objectives.
• Experience supporting Air Force or DoD Modeling and Simulation or training systems
• Familiarity with operational training, simulation, or stimulation artifacts and associated fielding patterns
• Experience supporting systems used by command centers or operational planning organizations
• Familiarity with secure enterprise or platform-based delivery environments
• Proven experience coordinating with multiple contractors and Government stakeholders during sustainment, integration, or transition efforts
• Working knowledge of DoD cybersecurity practices, including coordination with security teams to sustain and remediate legacy components
• Ability to lead, mentor, and manage engineers in a mission-focused, multi-disciplinary environment

Application Deadline:

Applications will be reviewed as received and accepted on a continuous basis until the position is filled. Early application is strongly encouraged.

Physical Demands and Work Environment

This role primarily involves sedentary work, in a workplace and/or home office environment. There are some physical demands associated with the role, including:

• Extended periods of sitting and working at a computer workstation.
• Occasional lifting and carrying of equipment or materials weighing up to 20 pounds.
• Occasional travel to client sites or meetings may be required.
• Work may need to be performed in a fast-paced environment requiring quick decision making.
• Flexible work arrangements may be available based on business needs.
• Will be exposed to a wide variety of clients in differing functions, personalities, and abilities.

Benefits and Compensation Information
Imagine Believe Realize, LLC (IBR) is focused on delivering software and systems engineering solutions to government and commercial clients. Our talent acquisition strategy is designed for career-minded professionals that value continuous learning and growth. We strive to enhance our team members’ ability to thrive in the workplace by creating a proper work/life balance and first-class benefits package that includes:

• Nationwide medical, dental, and vision insurance
• 3 weeks of Paid Time Off and 11 Paid Federal Holidays
• 401k matching
• Life Insurance, Short-Term Disability, and Long-Term Disability at no cost to our employees
• Supplemental insurance options
• Flexible spending accounts and Dependent Care spending accounts
• Wellness incentives
• Reimbursement for professional development and certifications
• Access to training assistance opportunities to support career growth and progression
• Hybrid and Remote work opportunities to support work-life balance

The expected salary range for this position is $160,000 - $190,000 USD annually. This is a good-faith estimate and not a salary guarantee as compensation may vary based on factors such as experience, education, skills, associated role responsibilities, applicable contractual requirements, and geographic location.

Apply Today

If you are ready to grow your career and make an impact, then we encourage you to apply today by submitting an application. We welcome you to explore additional job opportunities listed on our careers page

Applicants who require alternative assistance with the application or interview process may request reasonable accommodations by contacting us using the contact information provided below:

Compliance and Regulatory Statements

Equal Employment Opportunity (EEO) Statement

Imagine Believe Realize, LLC is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to legally protected characteristics such as race, ethnicity, color, religion, sex, sexual orientation, gender identity, gender expression, creed, age, national origin, disability (including pregnancy, childbirth, or related medical conditions), marital status, veteran status, or any other applicable legally protected class in accordance with federal, state, and local laws.

Affirmative Action

As a federal contractor, Imagine Believe Realize, LLC takes affirmative action to employ and advance in employment qualified minorities, women, protected veterans, and individuals with disabilities.

Individuals with Disabilities

Imagine Believe Realize, LLC is committed to providing equal opportunity to qualified individuals with disabilities and to making reasonable accommodations to enable them to apply for positions and perform their jobs. If you require an accommodation during the application or interview process, please contact Human Resources at View email address on click.appcast.io.

Protected Veterans (VEVRAA)

Imagine Believe Realize, LLC actively seeks to employ and advance qualified protected veterans in compliance with the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA).

Pay Transparency Nondiscrimination Provision

Imagine Believe Realize, LLC will not discharge or otherwise discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action (including an investigation conducted by the employer), or (c) consistent with the contractor’s legal duty to furnish information.

Right to Work / Employment Eligibility

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form (Form I-9).