Systems Administrator Sr

Job Number:
Job Category:
Information Technology - Other
Yes, 10% of the time
Day Job
Potential for Teleworking:
Clearance Level Must Currently Possess:
Top Secret/SCI
Clearance Level Must Be Able to Obtain:
Top Secret/SCI

The Department of Homeland Security (DHS) has a continuing requirement for Secure Enterprise Network Systems, Services, & Support (SENS3) for the continued operations and maintenance and evolution of the Homeland Secure Data Network (HSDN) and the Classified Local Area Network (C-LAN). This requirement was previously called Enterprise Networked Services Support (ENSS).


Supporting the SENS3 management team, the candidates will provide O&M support for server, virtual machine, and storage management to include the following: - Provide all of the technical services necessary to engineer, operate, deploy, and maintain HSDN and C-LAN servers and virtual machines (VMs); - Provide remote operations and management of servers; - Perform onsite maintenance as required for systems hosted at DC1, DC2, NCR locations, and El Paso location; - Create, configure, test, deploy, and monitor VMs to provide infrastructure services and meet capacity and performance requirements; - Provide infrastructure services to allow the creation, configuration, deployment, monitoring, and separation of content management services for HSDN customer content to be accessed internally and externally; - Monitor all VMs for operational status and utilization; - Conduct preventive maintenance on existing server assets; - Coordinate with data center contractors as required to provision, maintain, and retire server assets; - Replace existing server components with newer, better maintained technologies to avoid obsolescence, in accordance with the Technology Refreshment Plan; - Provision and/or decommission servers and virtual machines to meet capacity and utilization needs; - Provide storage services for files and databases.


Basic Qualifications:

  • 5+ years of experience performing operating system configuration and deployment, application management, and/or desktop management;
  • Experience in applying vendor/OEM patches and fixes using standard tools such as MS SCCM or equivalent;
  • DHS experience
  • Microsoft or UNIX/LINUX OS certification


Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education, with 5 years of professional experience; or 3 years of professional experience with a related Masters degree. Considered career, or journey, level.

Leidos Overview:
Leidos is a global science and technology solutions leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported pro forma annual revenues of approximately $10 billion for the fiscal year ended January 1, 2016 after giving effect to the recently completed combination of Leidos with Lockheed Martin's Information Systems & Global Solutions business (IS&GS). For more information, visit www.Leidos.com. The company's diverse employees support vital missions for government and commercial customers. Qualified women, minorities, individuals with disabilities and protected veterans are encouraged to apply. Leidos is an Equal Opportunity Employer.
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