Demo

Software Design Engineer

By Light Professional IT Services
By Light Professional IT Services Salary
Orlando, FL Full Time
POSTED ON 3/31/2026
AVAILABLE BEFORE 4/29/2026
By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

Cole Engineering Services (CESI), a By Light company, is recognized as a premier provider of modeling and simulation (M&S) training solutions to the Federal Government and industry. Since 2004, CESI has been at the forefront of developing, maintaining, and integrating simulation-based training, serious gaming, technical services, training and other support in live, virtual, constructive, and gaming (LVCG) domains. CESI also designs, builds and runs infrastructure, platforms, applications and processes that enable cyber training for the integrated multi-domain force. Our vision is to become a worldwide full spectrum LVCG and cyber training/analysis developer, integrator and services provider.

As a Software Engineer you will be actively involved with the full software lifecycle. Software Engineers will be expected to support requirements analysis, examination of trade studies, software component selection, presentation of design architecture, implementation of design plan, unit testing, software integration, and functional system testing.

The software will be created from a list of established requirements and it uses the established software engineering processes. This process will aid in the selection, development, and evaluation of software systems, subsystems, and future system enhancements. In addition, Software Engineers must be able to completes detailed design and development work independently for a given individual software component.

Once these individually developed components are completed, they must integrate into the selected products together, individually, and/or at the subsystem level.

Following of proper software engineering standards will assists the engineering team in software system or subsystem development. Proper documentation will be expected throughout the entire development and integration effort.

Also, the Software Engineer must have a clear understanding the project schedule and budget ensuring all assigned tasks properly adhere to these factors. Finally, as a Senior member of the team, the Software Engineer might be responsible for providing technical oversight to the software development team and communicate directly with the customer.

Minimum/General Experience

  • Bachelor’s degree in a technical discipline such as electrical engineering, computer science, information technology, systems or software engineering from an accredited college or university.
  • Five (5) years’ experience designing and developing software modules for integration into large-scale systems and networks.
  • Experience with software/hardware analysis and design, performance analysis, configuration and data management, quality assurance, and specification definition.
  • Must be able to adhere to robust technical specifications and working both independently and as a member of a software development team.
  • Must be familiar with industry software development standards and with the capabilities of related Department of Defense software systems.
  • Must be familiar with DoD Modeling and Simulation interoperability standards (e.g. DIS, HLA).
  • Experience with U.S. Military Mission Command Information Systems including JCR, JBCP, CPOF/DDS, AFATDS, AMDWS, TAIS, and ADSI.
  • Proficiency with AI coding assistants and/or experience developing production-grade AI/ML agents.


Please note that pursuant to a government contract, this specific position requires U. S. Citizenship status with ability to obtain a SECRET security clearance. Security Clearance requirements will be specified in the Government's Task Order.

This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. The above is intended to describe the general contents of and requirements for the performance of this job.

CESI recognizes that our strength is our people. We support every employee as an individual to build strong teams across the enterprise. Our benefit package includes

  • Medical, Dental & Vision Coverage
  • Wellness Program
  • 401(k) Matching
  • Disability (Short Term & Long Term)
  • Employee Assistance Program
  • Life Insurance
  • Education & Training
  • Generous Leave Policy (11 Federal Holidays, PTO, Military Leave, Bereavement and Jury Duty)


Cole Engineering Services, Inc. is an equal opportunity employer. We consider qualified applicants without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, political affiliation, age, marital status, disability, genetic information, veteran status, membership in an employee organization, or any other basis prohibited by federal, state, or local laws.

Salary.com Estimation for Software Design Engineer in Orlando, FL
$118,397 to $142,643
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