Senior Enterprise Voice Architect - SIP/UC Specialist

Leidos; Odenton (MD); On-site; USD 116,000 - 210,000; Full time

Job summary

Leidos is seeking a Principal Enterprise Voice Engineer to lead engineering, sustainment, maintenance, and operational support of enterprise IP voice and video communications.

The role requires extensive experience with unified communications, SIP signaling, call routing, and secure, reliable voice services across complex networks. Collaboration with network, cybersecurity, and operations teams is essential, with mentorship of junior engineers and no formal supervisory duties.

Qualifications

• Bachelor's degree or equivalent experience with 12+ years of relevant experience, or Master's degree with 10+ years of experience.
• Current IAT Level II or higher certification, such as Security+ or CISSP.
• Active DoD Secret clearance.

Responsibilities

• Serve as the senior technical authority for enterprise IP voice and video infrastructure.
• Lead the design, engineering, modernization, and technical implementation of Cisco, Avaya, Oracle, and associated voice technologies.
• Establish engineering standards, architecture requirements, configuration baselines, and technical implementation strategies.
• Review and approve complex engineering designs, system configurations, and technical solutions to ensure performance, security, scalability, and resiliency.
• Evaluate emerging technologies and provide modernization, lifecycle management, and capacity planning recommendations.
• Provide technical leadership for integrating enterprise voice services across routing, switching, WAN, firewall, and security infrastructure.
• Direct engineering solutions involving SIP signaling, media services, call routing, carrier interconnections, and multi-vendor interoperability.
• Lead technical assessments of IPsec, MPLS VPN, BGP, and QoS implementations supporting enterprise voice services.

Skills

SIP signaling

Call routing

Unified communications

Enterprise voice

DoD security clearance

Education

Bachelor's degree

Master's degree

Tools

CUCM

Avaya Aura

Oracle SBCs

Job description

Leidos is seeking a Principal Enterprise Voice Engineer to lead engineering, sustainment, maintenance, and operational support of enterprise IP voice and video communications.

The role requires extensive experience with unified communications, SIP signaling, call routing, and secure, reliable voice services across complex networks. Collaboration with network, cybersecurity, and operations teams is essential, with mentorship of junior engineers and no formal supervisory duties.