Senior Systems Administrator IV: VMware & Security Focus

JT4 LLC; Edwards (CA); On-site; USD 97,000 - 155,000; Full time

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

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.