Job Description
ManTech International seeks a Telephony Engineer to support mission-critical national security programs within our Information Technology (IT) department. In this role, you will design, configure, and maintain secure telephony and VoIP systems, troubleshoot complex issues, and collaborate with cyber and network teams to ensure resilient, compliant communications. At ManTech, you'll join a culture of innovation, integrity, and respect, with opportunities to work on advanced technologies that safeguard U.S. government systems and strengthen our nation's security posture.