Voice (VoIP) Specialist

About DMI

DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at www.dminc.com

About the Opportunity

DMI, LLC is seeking a Voice (VoIP) Specialist to join us.

Duties and Responsibilities :

• Design entire networks or portions of networks that include selection of hardware and software packages
• Planning, designing, installing, configuring, and maintaining the implementation of the Voice infrastructure including hardware / software recommendations
• Managing day-to-day delivery of services (VOIP, SIP, ACD, Carrier Network) to ensure adherence to defined service levels
• Installation, administration, operation, trouble diagnosis and maintenance of VoIP, unified communications and call center equipment for major relocation actions
• Able to troubleshoot with the Network team on network issues related to VOIP technologies
• Ensuring the development of documentation, including appropriate policies and procedures for all aspects of VoIP network
• Performing customer assessments, design, build, and technical documentation in support of the organization
• Able to capture, analyze and troubleshoot SIP header detail with knowledge of how to configure SBC’s for header manipulation for redirect and presentation as required
• Provide Tier 1+ / Tier 2 troubleshooting to resolve common issues with Cisco VoIP phones and Cisco VTC codecs
• Deploy and provision new VoIP handsets

Qualifications

Education and Years of Experience :

Preferred Certifications : CCNA, MCSE, CCNP, CCVP, or CCIE.

Additional Requirements : Successful completion of a Fingerprint background investigation.

Min Citizenship Status Required : H 1B

Physical Requirements : No Physical requirement needed for this position .

Location : Minneapolis, MN

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Working at DMI

DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together :

These values aren’t just ideals—they show up in how we support every part of your well-being :

DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together.

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.