Computer Scientist III

  • JT4 LLC
  • Las Vegas, Nevada
  • 08/23/2026
Full time Information Technology Telecommunications SQL Software Engineer Testing

Job Description

JT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force, Space Force, and Navy under the Joint Range Technical Services Contract, better known as J-Tech II. JT4 develops and maintains realistic, integrated test and training environments and prepares our nation's war-fighting aircraft, weapons systems, and aircrews for today's missions and tomorrow's global challenges. JOB SUMMARY ESSENTIAL FUNCTIONS/DUTIES We are seeking software engineer with experience in C#/.NET desktop application development, specifically using WPF front-end to design, build, and maintain high-performance applications that handle large data sets to provide a polished, intuitive user experience. This role is ideal for someone who enjoys working across the full application stack: data ingestion, processing, database, business logic, and user interface. The engineer will contribute to modernizing existing tools, improving application performance and build reusable UI-components. The ideal candidate is comfortable both working independently and collaborating with technical and non-technical users directly. Employee will be responsible for the following functions/duties: Manage software/system projects and provide guidance to technical staff Interact with customers and project managers on a regular basis Use broad judgment in defining and solving technical or managerial issues of the highest complexity or of far-reaching significance Capture and manage customer requirements at a system level and develop and analyze the most appropriate approach to solve complex technical problems Function as the system architect overseeing the overall design and configuration management of systems Develop the design of system/software and associated design documentation Prepare and conduct design reviews Implement design through software coding or hardware and document the design implementation Plan and execute unit, integration, and system testing Manage maintenance and sustainment activities of the system/software Provide work direction to subordinate technical staff Establish and maintain positive customer relations Support pursuit of new business efforts, lead proposal efforts, and act as a technical consultant Perform other job-related duties, as required. DESIRED QUALIFCATIONS Experience with C# and WPF, object-oriented design following SOLID design principles. Understanding of well-known design patterns is a plus. Experience with SQL, LINQ, GIT/data repositories expected. Experience with async and await logic. Experience working with government, defense, engineering, aerospace, data analysis or scientific environments are a plus. Hands-on experience visualizing data using LightningCharts software a bonus. REQUIREMENTS EDUCATION, TECHNICAL, AND WORK EXPERIENCE One of the following educational requirements must be met for this position: A bachelor's degree in an associated discipline and a minimum of eight years of related experience A master's degree in an associated discipline and a minimum of six years of experience A PhD in an associated discipline and a minimum of four years of experience In addition, a Computer Scientist IV must possess the following qualifications: Demonstrated expertise with computer-based systems and applications Excellent programming skills in languages used for job-specific programming tasks Experience in the application of industry standard hardware and software design and documentation techniques Extensive knowledge of systems engineering and software development lifecycles Effective oral and written communication skills Good planning/organizational skills Ability to work under deadlines. BENEFITS Medical, Dental, Vision Insurance Benefits Active on Day 1 Life Insurance Health Savings Accounts/FSA's Disability Insurance Paid Time Off 401(k) Plan Options with Employer Match JT4 will match 50%, up to an 8% contribution 100% Immediate Vesting Tuition Reimbursement REQUIREMENTS EDUCATION, TECHNICAL, AND WORK EXPERIENCE One of the following educational requirements must be met for this position: A bachelor's degree in an associated discipline and a minimum of four years of related experience A master's degree in an associated discipline and a minimum of two years of experience A PhD in an associated discipline In addition, a Computer Scientist IV must possess the following qualifications: Experience with computer-based systems and applications Programming skills in languages used for job-specific programming tasks Familiarity the application of industry standard hardware and software design and documentation techniques Experience with systems engineering and software development lifecycles Effective oral and written communication skills Good planning/organizational skills BENEFITS Medical, Dental, Vision Insurance Benefits Active on Day 1 Life Insurance Health Savings Accounts/FSA's Disability Insurance Paid Time Off 401(k) Plan Options with Employer Match JT4 will match 50%, up to an 8% contribution 100% Immediate Vesting Tuition Reimbursement OTHER RESPONSIBILITIES Each employee must read, understand, and implement the general and specific operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to their job. WORKING CONDITIONS Work is performed in a typical office environment with no unusual hazards. Occasional lifting (up to 20 pounds), constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness are required. Travel to remote company work locations may be required. DISCLAIMER The above statements are intended to describe the general nature and level of work being performed by personnel assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties, and skills required of persons so classified. Tasking is in support of a federal government contract that requires U.S. citizenship. Some jobs may require a candidate to be eligible for a government security clearance, state-issued driver's license or other licenses / certifications and the inability to obtain and maintain the required clearance, license or certification may affect an employee's ability to maintain employment. SCC:JSD12; JCORP12