Systems Administrator IV

JT4 LLC

Edwards (CA)

On-site

USD 97,000 - 155,000

Full time

3 days ago
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Benefits offered by this job

Life Insurance
Health Savings Accounts/FSA
Disability Insurance
Paid Time Off
401(k) Plan with Employer Match
Tuition Reimbursement

Job summary

JT4, LLC in Edwards, CA is seeking a System Administrator IV to support Windows and Red Hat Enterprise Linux, and to manage a VMware ESXi/vCenter/vSAN stack. The role emphasizes security, backups, and high availability within a DoD-focused environment.

Responsibilities include network monitoring, asset tracking, CM/DM processes, and implementing security controls across data center operations. U.S. citizenship and ability to obtain security clearance may be required.

Qualifications

  • The candidate must obtain CompTIA Security+ within 6 months.
  • Experience in DoD environment, military installation, or government contractor settings is preferred.
  • Experience with mission-specific systems and rapid learning of new tech environments.

Responsibilities

  • Evaluate system specs and install/configure enterprise computer systems.
  • Manage Windows and RHEL operating systems for security and backups.
  • Maintain VMware virtualization stack (ESXi, vCenter, vSAN) for performance and HA.
  • Monitor LAN performance and troubleshoot networking hardware.
  • Organize directory structures and support CM/DM procedures.
  • Oversee hardware requirements, asset tracking, and change management.
  • Act as POC for problem reporting and contract renewals.
  • Develop system upgrade plans and document environments.
  • Provide operational status using reporting frameworks and metrics.
  • Apply robust cybersecurity practices and vulnerability management.

Skills

Windows OS
Red Hat Enterprise Linux
VMware ESXi
vCenter
vSAN
VxRail
Networking troubleshooting
System monitoring
Security best practices
Documentation & CM procedures

Education

Bachelor's degree or equivalent

Tools

VMware vSphere
NAS/SAN storage
DM/CM systems

Job description

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.

JOB DUTIES - ESSENTIAL FUNCTIONS

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

system and the network.

Employee will be responsible for the following functions/duties:

  • Perform the daily operational support on the computer Operating Systems, including Windows, Red Hat Enterprise Linux, to ensure system security, access, configuration, backups and restore
  • Knowledge of VxRail hyper converged infrastructure, including deployment, implementation, and manages virtualization infrastructure using VMware, including ESXi, vCenter, and vSAN for optimal performance, scalability and high availability
  • Establish network requirements, monitors local area network (LAN) performance, troubleshoots networking hardware and ensures system is working properly according to specifications and parameters, utilizing advanced networking protocols and technologies
  • Organize and secure directory structure and assists/trains staff members in the use of department Document Management (DM) Systems, associated databases and Configuration Management (CM)/ DM release procedures
  • Design hardware requirements and provides Computer Authorization and custodial receipt listings to track equipment configurations and identification logs
  • Serve as point of contact (POC) for problem reporting, incremental version updates and monitors yearly support contracts, ensuring timely resolution of issues and optimal system performance
  • Make recommendations for future hardware/software implementations and related process improvements, schedules, plans, perform system upgrades including the transition from design, test, production and documentation environments
  • Provide operational status as required, utilizing established reporting frameworks and metrics
  • Use established policies, 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 using advanced troubleshooting techniques and tools
  • Manage and administer storage solutions including Network-Attached Storage, Storage Area Network (NAS/SAN) systems while maintaining optimal performance, capacity, and data protection
  • Research, integrate, or place new technologies into the existing data center with seamless integration and minimal disruption to existing systems and services
  • Develop and implement security protocols and procedures, aligned with Security+ best practices, to ensure the confidentiality, integrity, and availability of organizational data systems.
  • Excellent communication and interpersonal skills, collaborates with other teams to ensure alignment with organizational goals and objectives, providing technical expertise and guidance as required
  • Stay up to date with emerging trends and technologies, applying knowledge to continuously improve system administration practices and procedures
  • Strong analytical and problem-solving skills, with the ability to analyze complex system logs and identify potential issues.
  • Apply cybersecurity knowledge and system hardening practices in support of daily system administration activities, including vulnerability awareness, access control, patching, audit readiness, and compliance with established security policies and procedures.
  • Demonstrate the ability to provide technical guidance, share knowledge with team members, support task coordination, and contribute to process improvement efforts while operating as a senior technical resource within the system administration team.
DESIRED QUALIFICATIONS
  • Candidate must be able to obtain a CompTIA Security + Certification within 6 months.
  • Prior experience working in or supporting a Department of Defense environment, military installation, government contractor setting, or similar mission focused organization.
  • Experience working with proprietary, specialized, or mission specific systems used to collect, manage, process, or report data, with the ability to quickly learn and adapt to new systems, tools, and technical environments.
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 a U.S. citizen
SALARY

The expected salary range for this position is $96,500 to $155,000 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.

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
OTHER RESPONSIBILITIES

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: CSAN6, 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.

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