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Systems Admin Prin

2 weeks ago

Nashua, NH, United States BAE Systems USA Full time
Job Description

We put our customers first - exemplified by our missions: "We Protect Those Who Protect Us®" and "We Innovate for Those Who Move the World." Sound like a team you want to be a part of? Come build your career with BAE Systems.
BAE Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in support of national security missions. This role is pivotal in ensuring the integrity, security, and availability of systems operating within Sensitive Compartmented Information Facilities (SCIFs) or other closed environments. You will serve as the technical lead for IT services, security compliance, and infrastructure readiness across high-impact, mission-critical programs. This position is 100% onsite within a closed, classified area. Some after-hours or weekend support may be required for maintenance windows or incident response. You must be able to lift equipment (up to 40lbs) and work within controlled environments.

In this Principal System Administrator position you will make impats in the following ways
  • Administer patch management for RHEL-based Linux systems, including vulnerability scanning, patch deployment, and compliance validation.
  • Install and configure Trellix (McAfee) Linux Agents for endpoint protection and ePO integration.
  • Deploy and configure Splunk Universal Forwarders on Linux systems; manage log ingestion and index routing.
  • Reset LDAP BIND credentials within Splunk, ensuring connectivity and access control integration.
  • 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.
About BAE Systems Electronic Systems

BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems' game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere - from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact - for our customers and the communities we serve.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Required Skills and Education
  • Active U.S. Secret Security Clearance and CompTIA Security+ or equivalent DoD 8570 IAT Level II certification
  • Active U.S. Government Top Secret Clearance with ability to obtain SCI.
  • 10+ years of experience (7+ years of experience with a degree) as a system administrator.
  • Strong command of Linux RHEL patching workflows and package management tools (e.g., YUM/DNF).
  • Experience with Trellix/McAfee agent installation on Linux systems and ePO integration.
  • Hands-on expertise with Splunk Universal Forwarders, indexers, and LDAP integration.
  • Experience with VMware infrastructure, including vCenter, VCSA, ESXi, and DCUI access.
  • Working knowledge of Microsoft Exchange administration.
  • Familiarity with NetApp management tools and SAN/NAS storage concepts.
  • Solid experience operating within vSphere environments in mission-critical settings.
  • Proven ability to configure and manage WSUS for Windows update distribution.
Preferred Skills and Education
  • Active U.S. TS/SCI Security Clearance.
  • 4 year college degree in a technical field highly preferred
  • Experience supporting system accreditation efforts (SSP, POA&M, RMF).
  • Scripting skills (e.g., Bash, PowerShell) for automation and task efficiency.
  • Familiarity with DISA STIGs, Nessus vulnerability scanning, and cyber compliance frameworks.
  • Prior experience in secure lab or test bed environments (Lab-in-a-Box, SAP/SAR support)