Principal Exchange Engineer

General information

Requisition # R63291 Locations USA-VA-Chantilly Posting Date 09/11/2025 Security Clearance Required Top Secret Remote Type Onsite Time Type Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Principal Exchange Engineer to join our team in Chantilly, VA. The position is onsite.

Responsibilities include but are not limited to:

• Responsible for the installation, configuration, maintenance, operations, troubleshooting, and optimizing of Microsoft Exchange server infrastructure.

• Monitor, document, and report on system utilization and capacity

• Resolve escalated email routing, connectivity, permissions, and filtering support issues

• Document processes and procedures and train others

• Monitor backups and perform periodic test restores

• Performs break/fix troubleshooting, server/software updates and feature enhancements to MS Exchange and Exchange servers, as well as general IT Windows infrastructure.

• Designs, develops, tests, debugs and implements Exchange related components, software tools and utilities

• Ensures that system improvements and patches are successfully implemented and monitored to increase efficiency

• Generates systems software engineering policies, standards and procedures

• Requires specialized Exchange expertise and general knowledge of related areas

• Solves complex problems; takes a broad perspective to identify innovative solutions

• Works independently, with guidance in only the most complex situations

• May lead functional teams or projects

Minimum Qualifications:

• Bachelor’s degree and 7+ years of relevant Microsoft Exchange experience; an additional 4 years of experience may be substituted in lieu of a degree

• Expert-level knowledge of Microsoft Exchange Server technologies, including on-premise

• Deep understanding of Active Directory, DNS, and DHCP

• Experience with Exchange server upgrades, migrations, and deployments

• Strong troubleshooting and problem-solving skills

• Knowledge of email security technologies, such as email content filtering

• CASP+ certification within 6 months of hire

• DoD 8570 Computing Environment certification within 6 mon