Black & Grey HR is recruiting for a leading technology solutions and services provider in Doha, Qatar. Our client is looking to hire a Systems Architect - Unified Communications Specialist who will design, implement, maintain, and support the organization's Unified Communications (UC) and Collaboration infrastructure. This role requires deep integration with the core network to ensure the delivery of a highly available, secure, and performant voice and video environment. The specialist will be responsible for the entire UC lifecycle, from strategic design to daily operations and troubleshooting, ensuring it aligns with business objectives and SLAs.
Responsibilities:
UC Design & Implementation
- Design, configure, and deploy Cisco UC solutions (CUCM, Unity Connection, IM&P, Expressway, UCCX, and Webex).
- Integrate UC systems with core network infrastructure (LAN/WAN) and related applications.
- Configure Cisco Voice Gateways (ISR/ASR) and implement dial plans (SIP, H.323, MGCP).
- Design and implement end-to-end QoS policies to prioritize voice and video traffic.
- Integrate CUCM with Microsoft Teams and other third-party UC/VoIP solutions.
- Demonstrate an understanding of unified UCaaS + CCaaS (UC + Contact Center) design principles.
UC Administration & Support
- Provide day-to-day administration, monitoring, and support for all UC applications and endpoints.
- Perform system upgrades, patches, and security hardening for the UC environment.
- Serve as the final point of escalation (Level 2/3) for complex UC and call quality issues.
- Manage user accounts, devices (IP phones, soft clients), and features within Cisco UCM.
- Administer trunks, voice gateways, integrations with MS Teams, call accounting software, IP phone deployments, and call center tools.
Troubleshooting & Optimization
- Troubleshoot and resolve complex issues impacting call connectivity, quality, and collaboration services.
- Utilize packet capture analysis (e.g., Wireshark) and call logs to diagnose problems.
- Apply deep routing (OSPF, EIGRP) and switching (VLAN, STP) knowledge to resolve underlying network issues affecting UC.
- Perform routine system health checks and capacity planning for the UC platform.
Documentation & Compliance
- Create and maintain detailed technical documentation for UC and network integration.
- Document configuration standards, network diagrams, and operational procedures.
- Implement and maintain security configurations in line with organizational policies (e.g., TLS, SRTP).
RequirementsExperience & Education
- 10+ years of overall work experience, including 5+ years in IT infrastructure with a minimum of 3 years specializing in Cisco Unified Communications.
- Bachelor’s degree in Computer Science, Information Technology, Electronics and Telecommunications, or a related field.
- Cisco Certified Network Professional Collaboration (CCNP Collaboration) is highly preferred.
- Cisco Certified Network Associate (CCNA) is the mandatory minimum requirement.
- CCIE Collaboration will be a significant advantage.
Required Skillsets
- Expert-level knowledge of Cisco Unified Communications Manager (CUCM) and Unity Connection.
- Strong proficiency in voice protocols (SIP, H.323, MGCP) and codecs.
- In-depth understanding of LAN/WAN principles and their impact on real-time communications.
- Excellent analytical and problem-solving skills for complex, multi-layered issues.
- Strong communication skills to interact with team members and non-technical stakeholders.
- Ability to work independently and manage multiple priorities in a fast-paced environment.
- Working knowledge of Call Accounting Software and Call Center Quality monitoring tools.
- Familiarity with mission-critical services such as TETRA radio communication/Push-to-Talk services is a plus.
- Proficiency with PSTN Trunks, VoIP, and Video Conferencing protocols.
Benefits- Attractive Salary + Benefits