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.
-- Essential Functions/Duties
The Computer Scientist II provides mid‑level software engineering support for the development, enhancement, and sustainment of systems that enable mission‑critical operations. This role requires strong foundational programming skills, the ability to work within established development workflows, and a commitment to producing reliable, maintainable, and secure software.
Furthermore, the Computer Scientist II participates in the full software development lifecycle, including requirements analysis, design, implementation, testing, documentation, and troubleshooting. The position collaborates closely with senior engineers, cross‑functional teams, and technical leads to deliver high‑quality solutions that meet program objectives and comply with applicable cybersecurity and configuration‑management standards.
Primary Responsibilities
Core Technical Skills (Required)
Technical Skills (Desired)
Desired Qualifications
Requirements -- Education, Technical, and Work Experience
A bachelor's degree in an associated discipline and either two years of related experience or a master's degree in an associated discipline are required for this position.
In addition, a Computer Scientist II must possess the following qualifications:
Benefits
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

JT4 provides engineering and technical support to multiple western test ranges for the U.S. Air Force, Space Force, and U.S. Navy under the Joint Range Technical Services Contract, better known as J-Tech II. Ranges supported by JT4 include the Nevada Test and Training Range (NTTR), the National Space Test and Training Complex (NSTTC) at Schriever Air Force Base, the Utah Test and Training Range (UTTR), the Air Force Test Center 412th Test Wing (412TW) at Edwards Air Force Base, and the Navy China Lake Ranges (CLR) including Pt. Mugu, California.
JT4 is supported by several teammate companies on the J-Tech II Contract. Together we develop and maintain realistic integrated test and training environments. We prepare our nation's war-fighting aircraft, weapons systems, and air crews for today's missions and tomorrow's global challenges.