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# Senior Systems Administrator - Onsite

- **Company:** BAE Systems
- **Location:** Hudson, NY, United States
- **Experience:** Expert
- **Salary:** $97,008.0 - $164,914.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, CentOS, IBM Rational ClearCase, Desktop Computing, Linux, Document Management Systems, VMware ESX Servers, Human-Computer Interaction, Unix Shell, NetApp Applications, Red Hat Enterprise Linux, Server Administration, Subversion, Virtual Machines, VMware VSphere, Backup and Restore, Infrastructure Automation Frameworks, Vcenter, Performance Monitor, National Industrial Security Program Operating Manual (NISPOM), Network Server, Wsus
- **Published:** September 15, 2026
- **Apply:** https://jobs.baesystems.com/global/en/job/129778BR

## About the Role

* Security+ certification, and an active Secret Security Clearance
 * 7 or more years of relevant System Administration experience and a minimum of a high school diploma
 * Experience with Virtual machine (VM) technologies (ESXi, VCenter, VSphere)
 * NetApp Management
 * PXE and WDS automated system installation technologies
 * Automated backup systems
 * Red Hat Enterprise Linux and CentOS
 * Unix shell scripting
 * Configuration management tools (Subversion, ClearCase)

Preferred Education, Experience, & Skills

 * CISSP certification
 * Ability to work both Server Admin and Field service ( PC ) work daily.

## Description

In this role, you will be joining a team supporting internal customers, designing, implementing and managing lab infrastructure to meet the customer requirements while making impacts in the following ways:

 * Build, configure, administer and troubleshoot Windows (and Linux) servers and user workstation hardware and software; design and implement workgroup-scale networks
 * Build and manage authentication, file-share, and other collaboration servers to support groups of heterogeneous client systems.
 * Partner with facilities security staff to develop and apply hardening steps for systems for classified use to NISPOM Chapter 8, JAFAN, and other customer standards.
 * Document system configuration for new and existing systems.
 * Perform VCSA (vCenter Server Appliance) patching and lifecycle operations.
 * Apply updates to VMware ESXi hosts, ensuring host profile compliance and uptime.
 * Access and navigate the ESXi Direct Console User Interface (DCUI) for low-level host management.
 * Perform Exchange operations in a classified environment including user mailbox creation, troubleshooting, and routine maintenance.
 * Manage and maintain NetApp storage systems, including volumes, snapshots, and secure protocols.
 * Operate in VMware vSphere environments, including provisioning, performance monitoring, and resource management.
 * Install, configure, and maintain WSUS (Windows Server Update Services) for enterprise Windows patching.
 * Maintain comprehensive documentation and contribute to RMF packages and audit readiness.
 * Collaborate with ISSOs, security staff, and other IT stakeholders to ensure secure, compliant, and high-performing system operations.


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