Senior Systems Engineer/Microsoft Exchange Architect is open for our client's corporate headquarters in downtown Boston, MA. The ideal candidate has at least 3-5 years of relevant Microsoft Exchange experience in a high transaction mission critical environment. Manage and grow Exchange environment and related business continuity. Design, test, implement, and maintain computer systems to meet functional objectives of the business. Maintain server security, patch rollout and maintenance. Active support of network, hardware and connectivity. Continuous documentation of systems and connections.