Systems Administrator II

JT4; Edwards (CA); On-site; USD 78,000 - 92,000; Full time

Benefits offered by this job

Benefits Active on Day 1

Life Insurance

Health Savings Account

Disability Insurance

Paid Time Off

401(k) with employer match

50% company match up to 8%

100% vesting

Tuition Reimbursement

Job summary

JT4, LLC is seeking a System Administrator to support high‑pressure DoD environments. You will maintain Windows Server and Linux systems, secure networks, backups, and data management while applying IA requirements.

You will also optimize hardware, assist training, and design/maintain web pages, coordinating with teams on upgrades and operational status.

Qualifications

• Experience managing Windows Server and Linux (Red Hat/Ubuntu) systems.
• Understanding LAN/WAN, DNS, DHCP, and security controls.
• Routine data backups, monitoring, and disaster recovery.
• Scripting in PowerShell, Bash, or Python to automate tasks.
• DoD clearance eligibility.

Responsibilities

• Operate MS Windows Server and ensure system security and backups.
• Monitor LAN performance and troubleshoot networking hardware.
• Organize directory structures and train staff.
• Manage DM/CM data and release procedures.
• Design and maintain functional web pages.
• Provide operational status and act as POC for issues.
• Upgrade systems and document environments.

Skills

Windows Server

Linux OS

Networking & Security

Backups & DR

PowerShell

Python

Education

Associate degree in IT

Tools

VMware

Hyper-V

Juniper

Job description

Job Description

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

• 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

JT4 is an equal opportunity employer and does not discriminate on the basis of race, color, religion, creed, gender, age disability, sex (including pregnancy, childbirth, and related medical conditions), national origin, military status, veteran status, genetic information, or any other characteristic protected under applicable federal, state or local law. The Company provides reasonable accommodations/modifications to disabled individuals to assist in the hiring process and to qualified individuals with disabilities in the performance of essential job functions, in accordance with federal, state and local law. If you need assistance in completing this application, please contact Recruiting and Staffing at [phone].