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Senior Windows Systems Administrator

Lensa
Hyattsville, MD Full Time
POSTED ON 12/18/2025
AVAILABLE BEFORE 1/16/2026
Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for Black Bear Technology Solutions, LLC. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice.

Senior Windows Systems Administrator

Clearance Required: Top Secret or Secret Clearance

Locations: Adelphi, MD

Position Overview

The Senior Windows Systems Administrator leads complex system administration and endpoint configuration activities within the environment. This role covers the management of enterprise systems, storage, patching, and endpoint solutions across Windows platforms. The role ensures the performance, reliability, and security of infrastructure by managing staff, planning resources, and aligning technology with organizational goals.

Key Responsibilities

  • Lead system administration activities across ARLEN and CARLEN networks.
  • Coordinate and assign staff to local system administration duties and manage project execution.
  • Plan and implement long-term strategies for infrastructure operations and system enhancements.
  • Ensure system integrity through proper installation, configuration, maintenance, and software integrity enforcement.
  • Implement and oversee data backup, restore, and storage management operations.
  • Provide leadership in endpoint configuration management and oversee MECM implementation and operations.
  • Resolve complex technical issues and provide Tier 3 support as necessary.
  • Implement and enforce ARL security, reliability, and performance standards.
  • Promote and maintain documentation and standard operating procedures for systems administration teams.

Required Qualifications

  • Experience: Minimum of 10 years in systems administration and IT infrastructure leadership
  • Education: Master’s degree OR Bachelor’s degree with an additional 2 years of experience
  • Certifications (Required):
  • CompTIA Security CE or CompTIA Server CE
  • MCSA, MCSE, MCP
  • Must meet DoD 8750 and 8140 compliance requirements

Technical Environment

  • Windows Server
  • MCEM (Microsoft Endpoint Configuration Manager)
  • MAC OS
  • RHEL
  • RedHat Enterprise Virtualization Hypervisor
  • KVM
  • Puppet
  • Patching
  • PowerShell
  • WSUS
  • Release Management
  • STIG Compliance
  • Enterprise Storage
  • Backup and Restore Black Bear Technology Solutions, LLC (B2TS), is an Equal Opportunity Employer and Prohibits Discrimination and Harassment of Any Kind. B2TS is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. All employment decisions at B2TS are based on business needs, job requirements and individual qualifications, without regard to race, color, religion or belief, national, social or ethnic origin, sex (including pregnancy), age, physical, mental or sensory disability, HIV Status, sexual orientation, gender identity and/or expression, marital, civil union or domestic partnership status, past or present military service, family medical history or genetic information, family or parental status, or any other status protected by the laws or regulations in the locations where we operate. B2TS will not tolerate discrimination or harassment based on any of these characteristics.

If you have questions about this posting, please contact support@lensa.com

Salary.com Estimation for Senior Windows Systems Administrator in Hyattsville, MD
$103,852 to $135,330
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