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
Manage, install and maintain enterprise computer systems, storage systems, networks, and associated IT infrastructure.
This position requires intermediate to advanced working knowledge, skills and practical experience in the following areas:
- Install and manage Microsoft Windows workstation and server operating systems
- Manage and maintain virtualization environments including Hyper-V and VMware
- Manage large scale, shared storage solutions EMC, SAN, NetApp SAN and iSCSI devices
- Maintain Microsoft domain services to include Active Directory, DNS, DHCP, Remote Access services and Distributed File Systems
- Installs, maintains and supports enterprise IT applications such as Microsoft Exchange Server and Microsoft SQL server
- Supports high availability fault-tolerant computing solutions and Microsoft failover clustering
- Manages blade-based systems, physical desktop systems and Thin Client Technologies (WYSE)
- Understanding of System security compliance, implementation and documentation
DESIRED QUALIFCATIONS
- Experience with full access ADUC, DHCP, DNS, DFS, on Windows Server
- Basic Linux/Unix server configuration and troubleshooting experience.
- Remote Desktop computing environments to include CITRIX, VD, RDP, and ICA
- Understanding of JSIG/RMF compliance, implementation and documentation
REQUIREMENTS -- EDUCATION, TECHNICAL, AND WORK EXPERIENCE
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 nine (9) years of experience in computer system related areas of expertise and must possess and apply a broad knowledge of principles, practices, and procedures in computer science, graphics, and information systems.
In addition, a Systems Administrator IV must possess the following qualifications:
- Must have specific experience in the maintenance of Operating Systems and support applications, in a centralized and distributed server environment
- Must possess planning/organizing skills and must be able to work under deadlines
- Must be able to obtain and maintain a government security clearance
- Must possess a valid, state-issued driver's license.
SALARY
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
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.
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.
Skills Required
- Bachelor's degree in associated discipline or equivalent technical training/experience
- Minimum nine (9) years of experience in computer systems or related areas
- Install and manage Microsoft Windows workstation and server operating systems
- Manage and maintain virtualization environments including Hyper-V and VMware
- Manage large-scale shared storage solutions (EMC, NetApp SAN) and iSCSI devices
- Maintain Microsoft domain services including Active Directory, DNS, DHCP, Remote Access services, and Distributed File Systems (DFS)
- Install, maintain, and support enterprise IT applications such as Microsoft Exchange Server and Microsoft SQL Server
- Support high-availability fault-tolerant computing solutions and Microsoft failover clustering
- Manage blade-based systems, physical desktops, and Thin Client technologies (WYSE)
- Understanding of system security compliance, implementation, and documentation
- Must be able to obtain and maintain a government security clearance
- Valid, state-issued driver's license
- Planning/organizing skills and ability to work under deadlines
- Experience with full access ADUC, DHCP, DNS, DFS on Windows Server
- Basic Linux/Unix server configuration and troubleshooting experience
- Remote Desktop computing environments experience (Citrix, RDP, ICA)
- Understanding of JSIG/RMF compliance, implementation and documentation
JT4 Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about JT4 and has not been reviewed or approved by JT4.
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Healthcare Strength — Multiple medical plan choices (including an HDHP with HSA), plus dental with orthodontia, vision, wellness programs, and FSAs/HSAs expand total rewards beyond base pay. Coverage breadth is emphasized as a compensation strength alongside stability.
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Affordable Benefits — Low- or zero-premium options are advertised, increasing the value of total compensation when insurance costs are factored in. Affordability is highlighted together with education assistance as part of the package.
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Leave & Time Off Breadth — Posted allowances include 3–5 weeks of paid leave by tenure, 80 hours of paid holidays, and 7 sick days for hourly roles. Generous stated PTO and holidays can materially enhance overall compensation value.
JT4 Insights
What We Do
JT4 provides engineering and technical support to multiple western test ranges for the U.S. Air 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 Space Test and Training Range (STTR) 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.





