$85,945.60 to $103,521.60 annually

Systems Administrator III

PalmdaleNormalmid
Systems AdministratorInfrastructure & Cloud
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Quick Summary

Key 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.

Technical Tools
Systems AdministratorInfrastructure & Cloud

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 locate 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: Job duties of a System Administrator includes, but is not limited to, working under general technical guidance, specializing in voice, communications switching, video, telemetry, situational awareness data transport and support systems within a real-time mission support environment. Perform network system administration tasks on work center systems such as communications distribution, data acquisition and distribution, range data transmission systems and associated ancillary equipment systems in accordance with standard industry practices, manufacturer data, applicable DoD policies, and local directives.

The System Administrator is responsible for leading work center personnel in resolving real-time mission support anomalies, performing daily network monitoring, and provides the status of all work center networks. The candidate shall implement and enforce new and update existing network system administration policies. Identify network and system administration weaknesses and/or problem areas and provide recommendations for corrective actions, have the knowledge and the ability to troubleshoot data and telecommunication networks and equipment.

The selected candidate will be required to provide real-time operational mission support within the various sections of the work center, will be required to lead work center personnel in accomplishing real-time operational mission support, will maintain networking equipment to include problem isolation and repair to the lowest repairable unit level. The candidate will oversee work center personnel in the performance of Preventative Maintenance Inspection (PMI) activities on applicable networking equipment and will develop and maintain network PMI procedures as required. The candidate, as the subject matter expert, will develop, modify, and review Operating Instructions for general network and system administration tasks within the work center.  The candidate will implement and adhere to all Informational Assurance requirements. The candidate will interface directly with customers as needed and must be able to resolve simple to complex problems in a high-pressure real-time mission environment.

The candidate must possess knowledge of networking and data link protocols such as IP, Ethernet, Frame-Relay, SONET, and T1. The candidate must be willing to work nonstandard tours of duties, which includes nights, weekends, and overtime. Overtime may be short or no notice. The candidate must be able to obtain and maintain a DoD security clearance up to Top Secret with Special Access. The candidate must be able to obtain and maintain CompTIA Security+ certification. The candidate must be able to work independently or as a member of a team and have strong verbal and written communications skills and must be able to qualify and maintain a government flight line privileges.

Desired Qualifications:

Having experience in operating and maintaining Marconi, Juniper, and ADC Telecommunications equipment is highly desired.  Having experience in operating and maintaining voice communication distribution system equipment, 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 seven 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 III must possess the following qualifications:

  • Must have specific experience in the use of MS window server environments and various computer-aided design/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 $85,945.60 to $103,521.60 annually

Note: 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.

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, A1412TW

Location & Eligibility

Where is the job
California - Lancaster
On-site at the office
Who can apply
Same as job location

About this job

Pay per year
$85,946–$103,522 a year
18% below the $115,000 median for Systems Administrator jobs on Jobera (289 salaries).
Posted
Today
Employer
has 188 open jobs on Jobera.

Listing Details

First seen
November 3, 2026
Last seen
November 3, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
68%
Scored at
November 3, 2026

Signal breakdown

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Systems Administrator III$85,945.60 to $103,521.60 annually