Senior Cisco UC Engineer - Top Secret Cleared

Vosper Thornycroft Group; Virginia (MN); On-site; USD 100,000 - 130,000; Full time

Job summary

Vosper Thornycroft Group is looking for an experienced Cisco Voice Engineer in Virginia, Minnesota. The role involves designing and deploying enterprise-level Cisco Unified Communications solutions in a highly secure environment. Key responsibilities include managing PKI/certificate requirements and ensuring compliance with security procedures. The ideal candidate must hold a Top Secret Clearance with Polygraph and have at least six years of relevant engineering experience, alongside strong SIP signaling proficiency and leadership skills.

Qualifications

• Must have a Top Secret Clearance with Polygraph.
• Minimum of six years of progressive experience in Voice/UC engineering.
• Demonstrated experience leading enterprise-scale voice deployments and modernization efforts.
• Strong communication skills for stakeholder engagement, documentation, and technical leadership.

Responsibilities

• Design, test, and deploy new Cisco Voice infrastructure (CUCM, Unity Connection, IM&P, UCCX).
• Manage PKI/certificate requirements across Cisco UC components.
• Support secure communications devices and infrastructure.
• Collaborate with customers and internal teams to gather and refine system requirements.

Skills

SIP signaling and call flows

Secure Real Time Transport Protocol (SRTP)

TCP/IP networking

MPLS transport environments

DNS and DHCP

RTP media handling

Leading enterprise-scale voice deployments

Troubleshooting call routing issues

Education

Bachelor’s or Master’s degree in Computer Science, IT, Engineering, or related field

Tools

Cisco Unified Communications solutions

VoIP phones

Job description

Vosper Thornycroft Group is looking for an experienced Cisco Voice Engineer in Virginia, Minnesota. The role involves designing and deploying enterprise-level Cisco Unified Communications solutions in a highly secure environment. Key responsibilities include managing PKI/certificate requirements and ensuring compliance with security procedures. The ideal candidate must hold a Top Secret Clearance with Polygraph and have at least six years of relevant engineering experience, alongside strong SIP signaling proficiency and leadership skills.