Voice Tier 3 Engineer

Duties & Responsibilities

• Configure, develop, patch, secure, and enhance Cisco VoIP systems.
• Administer Cisco Unified Communications Manager, Cisco Unity, Instant Messaging and Presence, and teleconference bridges.
• Configure and maintain Cisco Unified Border Elements, Session Border Controllers, Ribbon VX900 devices, and related voice infrastructure.
• Develop and troubleshoot SIP connections between EACN and external customer voice networks.
• Support integration with Call Manager Express, SRST, Asterisk, and other Cisco VoIP environments.
• Test voice-system patches, upgrades, and configuration changes before operational deployment.
• Apply DISA STIGs and cybersecurity requirements to voice systems and supporting devices.
• Troubleshoot complex voice, call-routing, interoperability, and service-quality issues.
• Support VoIP capabilities within the Systems Integration Laboratory and operational gateway environments.
• Develop and maintain configuration guides, diagrams, checklists, and technical documentation.
• Cookordination voice-engineering activities with network engineers, cybersecurity personnel, site technicians, and Government stakeholders.
• Provide technical guidance and training to Government and contractor personnel.

Qualifications

• Clearance Requirement: Must hold an active Top Secret clearance.
• Education: Bachelor’s degree in Information Technology, Computer Science, Network Engineering, Telecommunications, or a related field.
• Experience: Minimum five years of VoIP experience. Experience configuring and sustaining enterprise Cisco voice environments. Experience with CUCM, Cisco Unity, SIP, Session Border Controllers, and voice gateways. Experience troubleshooting call routing, interoperability, and voice-quality issues. Experience supporting classified or mission-critical communications environments preferred.
• Technical Knowledge: Advanced knowledge of Cisco Unified Communications Manager and enterprise VoIP architecture. Knowledge of SIP, call routing, dial plans, CUBE, Session Border Controllers, and SRST. Familiarity with voice-system patching, STIG implementation, configuration management, and laboratory testing. Understanding of network technologies supporting voice services, including routing, switching, firewalls, VLANs, and quality of service.
• Skills: Strong voice-system troubleshooting and analytical abilities. Excellent technical documentation and communication skills. Ability to manage multiple technical priorities. Ability to collaborate with network, systems, and cybersecurity teams. Ability to perform on-site duties and travel as required.

Pay

Anticipated salary range is $79,759.00–$88,215.00 per year.