Cisco Unified Communications; CUCM) Engineer

Summary

All Native Group is seeking a highly qualified Senior level Cisco Unified Communications (CUCM) Engineer to design, implement and provide maintenance and support of enterprise-level voice solutions including Call Manager, Unity Connection, Emergency Responder and VoIP endpoints. The Engineer shall possess a deep understanding and bring expertise of CUCM cluster design and operations. Engineer will function in a Tier 3 role within a team environment and provide Tier 2 and Tier 3 support.

Engineer shall possess the ability to lead voice solution implementations from planning to execution. This role is critical in support of the enterprise CUCM infrastructure.

• Configure and support CUCM clusters, voice gateways and endpoints in a multi-site environment.
• Configure and support SIP trunks to ensure optimal call routing among sites and PSTN.
• Provide Tier 3/advanced level investigation and troubleshooting of complex voice issues across the enterprise voice environments.
• Monitor and maintain CUCM cluster health, performance and availability across the enterprise, document voice issues and make recommendations for any adverse findings that will impact cluster health.
• Provide support to internal support groups such as PMO, NOC and Installations.
• Collaborate with Cybersecurity/Information Assurance groups to ensure the security and integrity of CUCM, and ensure the system aligns with standards and compliance requirements.
• Lead enterprise voice related projects, migrations, tech refreshes, deployments and implementations.
• Support planned maintenance activities such as system patching and vulnerability management and configuration changes.
• Be able to collaborate and perform in a team oriented and as an individual contributor.
• Be a self-starter and able to work independently.
• Provide cross training across the enterprise voice teams, Tier 2 and Tier 3.
• Develop and maintain system designs, diagrams and standard operating procedures (SOPs).
• Ensure enterprise CUCM is highly available, failover and contingencies are in place.
• Provide research, investigation and problem resolution of voice incidents and outages and status updates utilizing appropriate Incident Handling, Management and Ticketing system.
• Participate in industry partner technology research, evaluations and solutions.

• Cisco certifications preferred: CCNA-VOICE, CCNP Collaboration or CCIE Collaboration.
• 7+ years of expertise and hands‑on experience with CUCM solutions in a large enterprise environment.
• Possess strong knowledge and experience with Cisco voice gateways (VG410, 420, 450).
• 7 years’ experience with CUCM. Versions 14 or 15 are preferable.
• Knowledge and familiarity with CUCM best practices and security (TLS, SRTP, certificates). Senior level knowledge with Call Manager, Unity Connection, SIP trunking and PSTN connectivity, call routing.
• Familiarity with 3rd party integration (Microsoft Teams).
• Knowledgeable with Cisco IOS routers, switching, SBC (Cisco Unified Border Element CUBE). Possess strong written and verbal communications.
• Strong knowledge of telecommunications, i.e. wiring, cross connects, demarcation points, circuits etc.
• Solid team player and ability to mentor.

None required for this position.

This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and fax machines.

• Must be able to remain in a stationary position 75% of the time.
• Occasionally moves about inside the office to access file cabinets, office machinery, etc.
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.
• Ex…