Senior Windows Server Administrator

Location:Fort McNair, Washington, DC

As a Senior Windows Server Administrator, the individual will be responsible for configuring and supporting Microsoft-based infrastructure servers, enterprise application installation and configuration, infrastructure design, and troubleshooting. In this role, the Windows Server Administrator will operate and maintain all production, pre-production, and development of systems in a Windows environment.


  • Performs regularly scheduled maintenance on systems and apply necessary security patches and updates to operating system, applications, and/or services
  • Generates, implements, maintains and monitors Windows 2012, 2016, 2019 and VMware operating systems
  • Implements and monitors the Enterprise Windows Servers testing and installation of patches, updates, additional tools and future versions of all software on a regular basis.
  • Supports team with complex projects to support Windows Infrastructure services
  • Assists other technical support personnel in troubleshooting problems with the system
  • All other duties assigned by OSC and governing contract office

Required Qualifications/Education and Experience

  • Must be able to receive or maintain a Personnel Security Clearance
  • Minimum 7 years of relevant experience with Microsoft Windows Server. Experience in administration should include versions 2012 and 2016 and as a bonus 2019
  • Advanced experience with Microsoft Windows Server 2012/2016 Set-up & Configuration
  • Minimum 7 years of relevant experience with Microsoft Windows Server Core services such as Active Directory, DHCP, DFS, ADFS, Certificate Services, IIS, DNS, etc.
  • Security+, Server+, Network+, A+ Certification is required
  • Bachelor's Degree is required
  • Microsoft Certification is required 
  • Prior experience with designing, implementing, maintaining and troubleshooting core Windows infrastructure services such as Active Directory, Group Policies, DNS, DHCP, WINS, IIS, Certificate Services, etc.

Preferred Qualifications/Education and Experience

  • MCSE or MCSA certification is preferred
  • Administration experience with Microsoft Exchange Systems Center, and SQL is a plus
  • Prior SharePoint administration experience is helpful but not required 


Healthcare, Dental, Vision, Life Insurance, Flexible Spending Account (FSA), Health Savings Account (HSA), 401k


Paid Company Holidays and PTO

Career Development

Opportunities to enhance IT knowledge and skills, thus strengthening the OSC team and improving our employees' potential for future opportunities

OSC Edge is an Equal Opportunity and E-Verify Employer and provides reasonable accommodations consistent with its legal obligations to applicants and employees.

OSC Edge is an equal opportunity employer. We accept our responsibility to make employment decisions without regard to race, color, creed, religion, age, national origin, ancestry, citizenship status, sex or gender, (including pregnancy, childbirth and related medical conditions), gender identity or gender expression (including transgender status), sexual orientation, marital status, military-service or status, veteran status, physical or mental disability, protected medical condition as defined by applicable state or local law, genetic information or any other classification protected by applicable federal, state, and local laws and ordinances.

OSC Edge is committed to complying with all applicable laws providing equal employment opportunities.