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 amongst 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 partners 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.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

• Must be able to remain in a stationary position 75% of the time.
• Occasionally moves about inside the office to access file…