Jonathan Els

Freelancing systems engineer consulting on network engineering pre-sales, design, deployment, escalation support, custom software integrations, and network automation. Cisco CCIE Collaboration, network architecture, network automation, software development solutions, private freelancing

Technical Design Architect (TDA) for Large Enterprise UC and Video solutions, providing technical consulting to sales and pre-sales teams and acting as technical lead for all Cisco UC post-sales systems integration design and deployment. In-house Collaboration R&D software engineering, focusing on automation tools and script development with Cisco WebEx and CUCM AXL/Unity APIs, custom reporting with SQL.

Consulting engineer to Cisco UC&C Development Partner for the Cisco HCS solution within the Cisco BU. Leveraged CCIE expertise and deployment experience to serve as a technical conduit for Engineering, Global Services, and Product Management teams.

Designed multi-cluster enterprise Collaboration systems (supporting 130,000+ endpoints) using UCS, VMware ESXi and Nexus data center architectures - Created Cisco TelePresence and ExpressWay video solutions based on Cisco Validated Design (CVD) methodologies - Deployed UCC systems comprised of CUCM (Call Manager), Unity Connection, IM and Presence (Cisco Jabber), VoIP / SIP trunking solutions with CUBE, Unified Attendant Console, WebEx, Prime Collaboration and TMS / billing solutions

- Deployed 17 node CUCM and IM and Presence leaf cluster to support 40,000 endpoints to extend existing single Leaf Cluster system to multi-cluster deployment (largest deployment in Africa at the time) - Implemented major architectural changes – Globalized dial plan re-design with SME architecture, deployment of Cisco ExpressWay, SIP Trunking to 3rd Party systems, Cross-Cluster Extension Mobility, WebEx/MeetingPlace, etc.

- Led a team of 10 Voice Engineers responsible for solutions testing of Cisco HCS 8.6 and 9.0 releases - Coordinated cross-team collaborative feature parity solutions testing with Cisco engineers in USA, India and UK - Designed multi-cluster UCC environments for system integration testing and oversaw systems integration testing for provisioning and administration of UC Applications, Voice Gateways and End User Self-Care for Cisco HCS

- Tested cross-platform mobile One Time Password (OTP) applications to support strong authentication and transaction verification - Worked in SCRUM teams to develop automated and manual testing strategies for mobile, provisioning and 2FA authentication applications

Part-time distance learning in Math and Economics with the University of London with academic direction from LSE

Automation, Software Development

Chemistry, Mathematics