Systems Admin Sr Prin II

BAE SystemsAnnapolis Junction, MD
Onsite

About The Position

We are seeking a highly skilled Mid-to-Senior System Administrator to manage and optimize a large, complex, and geographically distributed network environment. This role is designed for a technical professional who excels in high-pressure environments and possesses the agility to adapt to evolving operational priorities. The successful candidate will oversee multiple air-gapped systems, each with its own distinct domain and supporting infrastructure. This is a pivotal role requiring a blend of strategic system engineering and hands-on technical execution to sustain and upgrade critical capabilities.

Requirements

  • Substantial experience providing direct system administration support to large groups of technical staff, including developers and engineers.
  • Minimum of 5 years of hands-on experience supporting both Linux and Microsoft-based servers and workstations.
  • 5+ years of experience in operating system and application hardening, specifically within DISA and high-assurance environments.
  • 5+ years of experience in software/hardware deployment, patch management, and robust backup/restore functions.
  • Proficiency in Windows Server 2016, 2019, and Active Directory.
  • Ability to perform local travel and occasional annual CONUS and OCONUS trips.
  • Must possess a TS/SCI clearance with polygraph
  • Bachelor’s Degree in System Engineering, Computer Science, Information Systems, or a related technical field with 8+ years of relevant experience.
  • Experience building and maintaining large-scale, distributed Trellix ePO environments.
  • Strong scripting capabilities using SALT and Python.
  • Hands-on experience with Red Hat 7/8, VMware, Apache Tomcat, IIS, SQL Server, and KVMs.
  • Expertise in security accreditation, PKI, SSP, multi-domain environments, and vulnerability assessment.
  • Proficiency in client/server virtualization, disk arrays, PowerShell, PowerCLI, HSMs, and NTP.

Responsibilities

  • Install, administer, and optimize server and desktop configurations to ensure continuous, reliable, and efficient operations.
  • Manage complex server enclaves, including vulnerability assessments, patching, certificate renewals, and Active Directory configurations.
  • Identify and resolve critical hardware and software issues, developing sustainable long-term solutions for recurring operational challenges.
  • Develop and maintain comprehensive documentation of complex server/network environments to streamline incident resolution and knowledge transfer.
  • Coordinate with end-users and external support personnel regarding outages and upgrades, while providing data-driven recommendations to upper management.

Benefits

  • health, dental, and vision insurance
  • health savings accounts
  • a 401(k) savings plan
  • disability coverage
  • life and accident insurance
  • employee assistance program
  • legal plan
  • discounts on things like home, auto, and pet insurance
  • paid time off
  • paid holidays
  • paid parental leave
  • paid military leave
  • paid bereavement leave
  • any applicable federal and state sick leave
  • company recognition program to receive monetary or non-monetary recognition awards
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