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

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

• Design, develop, test, and maintain software components in support of program and customer requirements
• Implement features using approved programming languages, frameworks, and development standards
• Participate in code reviews, sprint planning, and technical design discussions
• Troubleshoot and resolve software defects across the stack
• Develop and maintain technical documentation, including design notes, API references, and workflow diagrams
• Collaborate with cross‑functional teams to integrate new capabilities and modernize existing systems
• Follow secure coding practices and comply with federal cybersecurity requirements
• Support configuration management, version control, and release processes
• Contribute to continuous improvement of development workflows and engineering best practices

Core Technical Skills (Required)

• Solid understanding of Object‑Oriented Programming (OOP) concepts
• Experience with at least one major programming language (Java, C#, Python, or similar)
• Basic familiarity with Git (cloning, branching, committing, pull requests)
• Understanding of standard software development workflows, including IDE usage, debugging, and build processes

Technical Skills (Desired)

• Hands‑on Java development experience
• Exposure to Angular, TypeScript, Node.js, or other modern frontend frameworks
• Basic Docker knowledge or willingness to learn containerization
• Familiarity with RESTful APIs and service‑oriented architectures
• Understanding of SQL and foundational database concepts
• Experience working in Agile or hybrid development environments
• Familiarity with CI/CD pipelines (GitLab, GitHub Actions, Azure DevOps, etc.)

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:

• Experience with computer-based systems and applications
• Programming skills in languages used for job-specific programming tasks
• Familiarity with the application of industry standard hardware and software design and documentation techniques
• Ability to obtain and maintain a Top Secret security clearance
• Must be a U.S. citizen

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