2026 JT4 Systems Administrator Opportunities - All Locations

JT4; Las Vegas (NV); On-site; USD 110,000 - 170,000; Full time

Job summary

JT4, LLC in Las Vegas, NV (also Lancaster, CA) seeks an experienced Senior IT Systems Engineer to evaluate, install and configure enterprise computer systems, with a focus on OS and network management.

The role requires strong security, backups, storage management (NAS/SAN), and the ability to design web pages and coordinate upgrades across design, test, production environments. Government-clearance experience preferred.

Qualifications

• Level VI: 15+ years in computer systems and security clearance.
• Level V: 12+ years, broad OS/server experience and clearance.
• Level IV: 9+ years, OS maintenance in centralized/distributed servers, clearance.
• Level III: 7+ years, Windows server, CAD/CAM, databases, web apps, deadlines.
• Level II: 5 years, Windows server, CAD/CAM, databases, web apps, deadlines.
• Level I: 3 years, basic IT, server maintenance, clearance.

Responsibilities

• Evaluate system specifications and configure enterprise computer systems.
• Provide OS support including backups, restores, and security.
• Monitor LAN performance and troubleshoot networking hardware.
• Organize directory structures and train staff on DMS.
• Design and maintain visually esthetic web pages.
• Specify hardware requirements and track equipment configurations.
• Serve as POC for problem reporting and version updates.
• Plan and perform system upgrades across environments.
• Analyze system logs for issues.
• Manage NAS and SAN storage solutions.
• Research and integrate new technologies into the data center.
• Other duties as required.

Skills

System administration

Networking

Security clearance

Education

Bachelor's Degree in Computer/Information Technology

Tools

Windows Server

CAD/CAM

MS Office

Web-enabled apps

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.

Positions are currently available in Las Vegas, NV and Lancaster, CA.

Job Summary - Essential Functions/Duties

Evaluates system specifications, installs enterprise computer systems, configures systems, establishes standards, insures hardware/software compatibility and maintains workstations and server systems focusing on the Operating system and the network.

• Works as a team member on projects and tasks providing computer hardware and operating system solutions for the team or task.
• Performs the daily operational support on the computer Operating System to include system security, access, configuration, backups and restores.
• Specifies network requirements, monitors LAN performance, troubleshoots networking hardware and insures system is working properly according to specifications and parameters.
• Organizes and secures directory structure and assists/trains staff members in the use of department Document Management Systems, associated databases and CM/DM release procedures.
• Maintains and designs functional, visually esthetic web pages.
• Specifies hardware requirements and provides Computer Authorization and custodial receipt listings to track equipment configurations and identification logs
• Serves as POC for problem reporting, incremental version updates and monitors yearly support contracts.
• Makes recommendations for future hardware/software implementations and related process improvements, schedules, plans and performs system upgrades including the transition from design, test, production and documentation environments.
• Provides operational status as required.
• Uses established policies and procedures and subject matter knowledge to complete complex assignments requiring originality and ingenuity performed under minimum supervision with considerable latitude for independent contribution.
• Analyzing system logs and identifying potential issues with computer systems.
• Manage and administer storage solutions including NAS and SAN systems.
• Research, integrate, or place new technologies into the existing data center.
• Other duties as required.

Other Responsibilities

Will be asked to make functional the initiatives established by management and will coordinate with other organizations as affected by upgrades, capabilities, policy and procedures. 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

This position involves work typical of an office environment with no unusual hazards. There is occasional lifting (up to 20 pounds), constant sitting and use of a computer terminal, constant use of sight abilities while writing, reviewing, and editing documents, constant use of speech/hearing abilities for communication, and constant mental alertness.

Requirements - Education, Technical And Work Experience

Level VI

A bachelor's degree in associated discipline from an accredited academic institution or equivalent experience through technical training, completion of a recognized certification program, or experience. Requires at least 15 years of experience in computer system related areas of expertise and must possess anda pply a broad knowledge of principles, practices, and procedures in computer science, graphics, and information systems.

Level V

Bachelors Degree in associated discipline from an accredited academic institution or equivalent experience through technical training, completion of a recognized certification program, or experience. Requires at least 12 years of experience in computer system related areas of expertise. Must possess and apply a broad knowledge of principles, practices, and procedures in computer science, graphics, and information systems. Must have specific experience in the maintenance of Operating Systems and support applications, in a centralized and distributed server environment. The incumbent must possess planning/organizing skills and must be able to work under deadlines. Must qualify for and maintain a government security clearance and possess a valid, state issued driver's license.

Level IV

Bachelors Degree in associated discipline from an accredited academic institution or equivalent experience through technical training, completion of a recognized certification program, or experience. Requires at least 9 years of experience in computer system related areas of expertise. Must possess and apply a broad knowledge of principles, practices, and procedures in computer science, graphics, and information systems. Must have specific experience in the maintenance of Operating Systems and support applications, in a centralized and distributed server environment. Must qualify for and maintain a government security clearance and possess a valid, state issued driver's license.

Level III

Associates or higher degree in Computer/Information Technology, or equivalent academic/technical training. Possess 7 years related experience or combination of experience in computer system basics and/or related areas of expertise. Must possess and apply a broad knowledge of principles, practices and procedures in computer science, graphics, and information systems. Must have specific experience in the use of MS window server environments and various CAD/CAM, database, MS Office and Web enabled applications The incumbent must possess planning/organizing skills and must be able to work under deadlines. Employee is expected to routinely cross fields in the completion of somewhat difficult and varied assignments. Must be capable of updating or repairing computer systems. Must qualify for and maintain a government security clearance and possess a valid, state issued driver's license.

Level II

Associates or higher degree in Computer/Information Technology, or equivalent academic/technical training. Possess 5 years related experience or combination of experience in computer system basics and/or related areas of expertise. Must possess and apply a broad knowledge of principles, practices and procedures in computer science, graphics, and information systems. Must have specific experience in the use of MS window server environments and various CAD/CAM, database, MS Office and Web enabled applications. The incumbent must possess planning/organizing skills and must be able to work under deadlines. Employee is expected to routinely cross fields in the completion of somewhat difficult and varied assignments. Must be capable of updating or repairing computer systems. Must qualify for and maintain a government security clearance and possess a valid, state issued driver's license.

Level I

Associates or higher degree in Information Technology, or equivalent academic/technical training. Possess 3 years related experience or combination of experience in computer system basics or related areas of expertise. Must possess a basic knowledge of principles, practices and procedures in computer science, graphics, and information systems. Must have specific experience in the use of MS window server environments and various CAD, database, MS Office and Web enabled applications. Must be capable of updating or repairing computer systems. The incumbent must possess planning/organizing skills and must be able to work under deadlines. Must qualify for and maintain a government security clearance and possess a valid, state issued driver's license.

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: JIT13; CSAN6: JCORP12