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# Systems Administrator

- **Company:** TENAX Technologies
- **Location:** Horsham, PA, United States
- **Experience:** Experienced
- **Salary:** $70,000.0 - $85,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Backup Devices, CompTIA Security+, Cyber Security, Data Retention, VMware ESX Servers, Windows Servers, Network Administration, Server Virtualization, Video Encoding, Virtual Machines, Virtualization Technology, VMware VSphere, Software Vulnerability Management, Backup and Restore, Comptia Server+, Storage Technologies, Information Technology, Vcenter, Data Management, Windows Services, CIS Benchmarks, Decoding, Network Server, Server Operating Systems & Platforms, User Accounts, Vmware
- **Published:** October 14, 2026
- **Apply:** https://www.juju.com/job/16_1254d581

## About the Role

* 3-5+ years of Systems Administration or related IT experience preferred.
 * Hands-on experience with Windows Server and Windows workstations.
 * Experience with Active Directory administration.
 * Experience working in VMware or other virtualized server environments.
 * Experience with servers, storage/SAN technologies, backups, software installation, and patching.
 * Working knowledge of computer networking and network-connected systems.
 * Understanding of cybersecurity practices and maintaining secure IT environments.
 * Strong troubleshooting and problem-solving skills.
 * Ability to work independently and as part of a technical team.
 * Ability to communicate effectively with technical personnel, users, military leadership, and Government customers.

Clearance & Certification Requirements

Candidates must meet both requirements to be considered:

 * Active Top Secret (TS) security clearance with eligibility for TS/SCI access.
 * Current CompTIA Security+ CE or equivalent DoD 8140 IAT Level II certification.

Preferred Qualifications

Experience or certifications in any of the following are a plus:

 * VMware vSphere / ESXi / vCenter
 * Microsoft Windows Server
 * Active Directory / Group Policy
 * SAN and enterprise storage
 * Dell server and storage hardware
 * Backup and recovery solutions
 * ACAS / vulnerability management
 * STIG implementation and remediation
 * Network administration and troubleshooting
 * Video encoding/decoding systems
 * CCNA
 * VMware VCTA or VCP
 * Microsoft Administrator certifications
 * CompTIA Server+
 * Other relevant systems, networking, virtualization, or cybersecurity certifications, This is an in-person position supporting systems within a secure facility. Work is primarily performed in an office and technical environment. The position may occasionally require lifting equipment weighing up to approximately 30 pounds.

## Description

TENAX Technologies is seeking a Systems Administrator to support the Air National Guard (ANG) Remotely Piloted Aircraft Special Operations Center (RPA-SOC).

This is a hands-on technical position supporting mission-critical IT infrastructure used in 24/7/365 RPA operations. The Systems Administrator will work with physical and virtual servers, VMware, Active Directory, enterprise storage, Windows systems, backups, patching, cybersecurity requirements, and specialized mission systems in a secure environment.

This position is ideal for a cleared IT professional who enjoys troubleshooting complex systems, working directly with customers and technical teams, and taking ownership of issues from identification through resolution., * Administer and maintain Windows servers, workstations, virtual machines, storage systems, and software supporting RPA operations.

 * Perform Active Directory administration, including user accounts, permissions, Group Policy, and related Windows services.
 * Administer and troubleshoot VMware virtualized environments, including ESXi, vCenter, and virtual servers.
 * Maintain SAN/storage, backups, data retention, and system recovery capabilities.
 * Troubleshoot server, workstation, hardware, software, network, storage, and application issues.
 * Install, configure, patch, upgrade, and maintain physical and virtual systems.
 * Perform system backups and maintain configurations for critical equipment.
 * Support STIG compliance, vulnerability remediation, IAVA requirements, patching, and DoD cybersecurity requirements.
 * Troubleshoot Dell and other commercial server, workstation, and storage hardware.
 * Support specialized video encoding, decoding, recording, and communications systems.
 * Configure and maintain systems to meet security baselines and operational requirements.
 * Work directly with military personnel, Government customers, engineers, and other technical staff to troubleshoot issues and maintain mission availability.