JT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force and Navy under the Joint Range Technical Services Contract, better known as J-Tech II. We develop and maintain realistic integrated test and training environments, and prepare our nation's war-fighting aircraft, weapons systems, and aircrews for today's missions and tomorrow's global challenges.
JOB SUMMARY: Evaluates system specifications, configures system, establishes standards, ensures hardware/software compatibility and maintains workstations and Microsoft (MS) Windows Operating Systems for stable performance.
Employee will be responsible for the following functions/duties:
- Performs the daily operation of MS Win server software to include system security, appropriate access, configuration and backing up the system.
- Specifies network requirements, monitors local area network (LAN) performance, troubleshoots networking hardware and ensures system is working properly according to specifications and parameters.
- Organizes and secures directory structure and assists / trains staff members in the use of department.
- Data Management (DM) System, associated databases and Configuration Management (CM)/DM release procedures.
- Maintains and designs functional, visually esthetic web pages.
- Specifies hardware requirements and provides a Computer Authorization and Custodial Receipt Listing (CA/CRL) to track equipment configurations and identification logs.
- Serves as point of contact (POC) for problem reporting, incremental version updates and monitors yearly support contract.
- 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
RANGE POSITION DESCRIPTION: System Administrator to provide critical, real-time mission support within a secure, high-pressure operational environment. Operating under general technical guidance, you will specialize in voice, communications switching, video, telemetry, and situational awareness data transport systems. This role is vital to ensuring continuous network availability and data distribution. The ideal candidate will serve as a subject matter expert in troubleshooting, maintenance, and policy implementation. Network & System Administration sustainment, perform comprehensive administration on critical work center systems, including communications distribution, data acquisition, and range data transmission systems. Conduct network monitoring and report the operational status of all work center networks. Maintain and troubleshoot networking equipment. Align with all operations with standard industry practices, manufacturer data, applicable DoD policies, and local directives. Implement and adhere strictly to all information assurance requirements. Assist with developing, modifying, and review operating instructions for general work center tasks. Analysis & continuous improvement of infrastructure needs and requirements. Identify network weaknesses and system administration problem areas. Provide actionable recommendations and execute corrective actions. Resolve simple to complex technical problems under high-pressure, real-time mission constraints. Must be able to obtain and maintain a DoD Top Secret security clearance.
Certifications: Must possess or be able to obtain a CompTIA Security+ within 180 days of hire.
Operational Flexibility: Must be willing to work non-standard hours including nights, weekends, and short-notice overtime to support active missions.
Required Qualifications:
Operating Systems (OS) - Experience in managing, configuring, and troubleshooting Windows Server, Linux (Red Hat, Ubuntu) environments. Networking & Security - Understanding of LAN/WAN setup, routing protocols, DNS, DHCP, and security implementations like firewalls and access controls. System Maintenance - Experience handling routine data backups, system monitoring, hardware/software installation, and disaster recovery operations. Scripting & Automation - Familiarity with automation tools and languages such as PowerShell, Bash, or Python to streamline repetitive tasks
Desired Qualifications:
Having experience in operating and maintaining Linux, Windows Server, and Juniper equipment is highly desired. Having experience in virtual images, VMware, Hyper-V, and adjusting virtual performances. Have an active DoD secret security clearance and possess a current CompTIA Security+ certification is desired.
REQUIREMENTS: Associates or higher degree in Computer/Information Technology, or equivalent academic/technical training. Possess five 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.
In addition, a Systems Administrator II must possess the following qualifications:
- Must have specific experience in the use of MS window server environments and various computer-aided design and computer-aided manufacturing (CAD/CAM), database, MS Office and Web enabled applications
- 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 be able to obtain and maintain a government security clearance
- Must possess valid, state-issued driver’s license
- Must be a U.S. citizen
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
SALARY: The expected pay range for this position is $78,220 to $91,500 annually
The salary range offered for this position is a good faith description of the expected salary range this role will pay. JT4 LLC considers factors such as (but not limited to) responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.
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 people 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.
SCC: JIT13, A1412TW
Skills Required
- Associate degree or higher in Computer or Information Technology, or equivalent academic or technical training
- Five years of related experience, or an equivalent combination of experience in computer systems and related areas
- Experience managing, configuring, and troubleshooting Windows Server environments
- Experience managing, configuring, and troubleshooting Linux environments, including Red Hat and Ubuntu
- Understanding of LAN/WAN setup, routing protocols, DNS, DHCP, firewalls, access controls, and security implementations
- Experience with data backups, system monitoring, hardware and software installation, and disaster recovery operations
- Familiarity with PowerShell, Bash, or Python for scripting and automation
- Experience with Microsoft Windows Server environments, CAD/CAM, databases, Microsoft Office, and web-enabled applications
- Ability to update or repair computer systems
- Ability to obtain and maintain a DoD Top Secret security clearance
- Valid state-issued driver's license
- U.S. citizenship
- Ability to work nights, weekends, and short-notice overtime
- CompTIA Security+ certification or ability to obtain it within 180 days of hire
- Experience operating and maintaining Linux, Windows Server, and Juniper equipment
- Experience with virtual images, VMware, Hyper-V, and virtual performance tuning
- Active DoD Secret security clearance
- Current CompTIA Security+ certification
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.








