• Location: Herndon, Virginia
  • Type: Contract
  • Job #1922

Title: Microsoft Exchange Administrator

Location: Beltsville, MD

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *


Company Overview:

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.

​​​​​​​Senior level Microsoft Exchange Administrator

Design and architecture new and upgrade product line

Mail flow

SMTP protocol

RFC 5321

RFC 974

User and mailbox management

Responsibilities include, but are not limited to:

COOP Management

Training field engineers how to COOP

SSP documentation and certification

PKI Certificates

Monthly Microsoft Patching and CUs

Senior level Skype for Business administration

Skype Persistent Chat Room administration

Federation administration

SQL administration w/Mirroring


• Education: Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

• Minimum of 6 years related experience.

•Experience with Microsoft Exchange

•Experience with Skype for Business


Attach a resume file. Accepted file types are DOC, DOCX, PDF, HTML, and TXT.

We are uploading your application. It may take a few moments to read your resume. Please wait!