System Administrator IV

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.

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:

• Performs the daily operational support on the computer operating system to include system security, access, configuration, backups and restores
• Specifies network requirements, monitors local area network (LAN) performance, troubleshoots networking hardware and ensures the system is working properly according to specifications and parameters.
• Organizes and secures 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
• Maintains and designs functional, visually esthetic web pages
• Specifies hardware requirements and provides computer authorization and custodial receipt listings to track equipment configurations and identification logs
• Serves as point of contact (POC) for problem reporting, incremental version updates and monitors yearly support contracts
• 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, 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.
• Manage and administer storage solutions including Network‑Attached Storage and Storage Area Network (NAS/SAN) systems.
• Other duties as required

The system administrator IV duties encompass system development and deployment including but not limited to system administration, system configuration, and system support such as installing patches, coordinating repairs, performing system backup and recovery, implementing and maintaining system certification and security posture for the various systems within the DoD space. The system administrator is required to have Security+ certification or higher, ability to obtain a Top Secret clearance, clearable to special access programs (SAP), communication security (COMSEC) responsible officer (CRO) experience, a positive attitude, proactive and able to work well with a diverse team.

Systems Operations & Architecture:
Oversee the design, installation, configuration, and daily management of enterprise‑grade server infrastructure, storage area networks (SAN), and virtualization platforms (such as VMware vSphere) across various specialized networks.

Security, STIGs & Compliance:
Lead the implementation of Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs). Orchestrate patch management, and generate technical documentation for the Risk Management Framework (RMF) Authorization to Operate (ATO) packages.

Disaster Recovery & COOP:
Architect, implement, and validate robust data backup, system replication, and disaster recovery strategies to satisfy Continuity of Operations (COOP) and mission‑essential availability mandates.

Technical Leadership:
Serve as the tier‑3/4 escalation point for complex infrastructure incidents. Mentor and provide technical guidance to junior systems administrators (Levels I‑III), and coordinate cross‑functionally with network, cyber, and database…