Ben Dhill

Completed Bachelor of Electronics & Communication Engineering with 17 years' experience in the telecommunication and cloud infrastructure domains. Hands-on expertise in Microsoft Azure, Microsoft Entra ID, Infrastructure as Code (Terraform, Bicep), CI/CD automation, and multi-cloud environments (Azure/AWS). Deep technical domain knowledge spanning 2G/3G/4G/5G SA network architecture, routers, DNS servers, and switches.

Certified CCNA (Routing & Switching), Ericsson IP Networking, Python Certified, CSPO, and ITIL Foundation.

Engineer (DevOps/ Cloud) at Telus (2017-11 – Present)

• Architected and deployed cloud-native 5G SA core infrastructure (NRF, NSSF/CCRC, AMF, SMF, PCF, CHF, SCP) utilizing Azure Kubernetes Service (AKS) and virtualized environments.
• Configured Microsoft Entra ID (formerly Azure AD) for secure identity management, implementing Role-Based Access Control (RBAC), Conditional Access policies, and Privileged Identity Management (PIM) across multi-tenant environments.
• Designed and executed automated Azure DevOps CI/CD pipelines using Terraform and ARM/Bicep templates to provision Azure Virtual Machines, Virtual Networks (VNets), and compute clusters for high-availability production nodes.
• Managed enterprise application deployments on Azure App Services and containerized environments, ensuring zero-downtime upgrades for critical telecom microservices.
• Developed custom Python automation scripts to execute automated health-check monitoring across cloud infrastructure and live 5G core network nodes, lowering mean time to resolution (MTTR) by 35%.
• Monitored cloud application performance and security compliance using Azure Monitor, Log Analytics, and Azure Key Vault for central secrets management.
• Automation of the Health Check scripts of every 5G node nodes.
• AMF, SMF, PCF, CHF, SCP nodes expertise.

IMS Core performance Engineer at Reliance & MITEL (2016-08 – 2017-05)

• Checked PAN India Call Session Success Rate/Register Success Ratio (CSSR/RSR) degradation analysis daily, 24 hours report from Mycom tool and SIP error code including 400, 403, 500, 503, 504.
• Analyzed corrupted profile users in HSS for VoLte users.
• Daily doing Sanity testing & trouble shooting for all the call scenarios.
• Updated the Zone file on local DNS server; provided technical expertise and support regarding telephony applications, SIP Testing.
• Developed Test cases and Test scripts, analysing the results of execution.
• Bug reporting to the concern team & tracking to closure (ZIRA tool to raise the incident tickets).
• Tickets assigned by L1 Team, worked on it update the status on tickets & assigned Tech to visit site if required.
• Corrupted profile users analysis in HSS for VoLte users.
• End to End IMS core testing for reliance JIO project.
• Updating the Zone file on local DNS server.
• Preparing MOPs for the planned activities to fix the issues.

Senior Test Support Engineer at Mitel Networks (2015-12 – 2016-08)

• Worked on ATCA/M one platform.
• End to End IMS core testing for reliance JIO project.
• Updating the Zone file on local DNS server.
• Daily doing Sanity testing & trouble shooting for all the call scenarios.
• VOLTE/WIFI voice/video testing (upgradation/degradation).
• Performing the off net testing from the VOLTE devices.
• Having good exposure in CTAS translations.
• Hands on for IWF ATP test cases.
• Integration of IMS products (UAG, IMC, TAS, IWF).

Engineer at Ericsson (2013-04 – 2015-11)

• Monitored 24-7 network, if any outage occurred raised an incident ID & raised to concerned to fix it & chases till it get restored.
• Raised Incident ticket with priority (P1 to P5) if any outage happened and raised to the circle team or IP team, depends what alarm has reported on live monitoring.
• Ensured good quality of service by monitoring Key BSS Statistics.
• Performed planned events like Alarm clearance activity, Site creation, Site deletion, Rehoming of sites from one BSC to other BSC. BSC, RNC board addition and deletion, Site or cell parameter changing activity and several other activities.
• Kept tracking the KPI on daily, hourly wise and maintained to target 99.8.
• Worked as a Team to achieve the SLA meets as per customer needs.
• Handled Health & safety calls from public if any discrepancy find by them near to site, and assigned an engineer on priority.

Engineer at Vodafone (2012-07 – 2015-11)

• Worked on APZ 212/33/55 & RNC 3820 IN VODAFONE environment.
• Carrying out changes in parameters of Cells, Base transceiver station, Base station controller for Network optimization.
• Worked with packet core SGSN, GGSN related issues.
• Planning and implementation of Re-parenting of Sites from one BSC to another & ensuring implementation of the same with minimal outage independently.
• Planning the outages and capacity additions/expansions of Network Elements in such a way that leads to minimal outage.
• Fault localization, fixing and preventing fault propagation.
• Ensuring good quality of service by monitoring Key BSS Statistics.
• Make Database of new sites that includes the cell, site and BSC parameters.
• Addition of Aters & Alink in BSC's & TRC's and also performing call testing to ensure no mute call, call drop, cracking problem and if occur same resolving by checking hardware and configuration issue.
• Provisioning for Network optimization process Quarterly through Schema implementation (Frequency Plan download).
• GSM/GPRS/EDGE Testing.

BSS Engineer at Ericsson (2009-07 – 2013-07)

• Installed more than 50 traffic nodes at hub sites, done traffic routing by E1 cards at site, Hops to next hop, fibre optics.
• Make them visible for NMS team.
• Also to protect the sites in rainy or fog weather, protection provided by the routing of media through SNCP protection.
• Fault analysis of TN's unit like NPU, LTE 12/16/32, MMU-2B/2C/2D, SMU, LTU 155 e/0.
• Installed & commissioned new Radio Base Station after cross checks the errors on media E1 at site.
• Involved in every activity for any upgrades on TN, any card faulty at TN, media shifting from one BSC to another, Media shifting from Hops to Fibre etc.
• Monitored live 850 sites in network by 24*7 in a group of 8 member team, if any site goes down or have some less traffic, troubleshoot & reach at site asap to rectify the root cause.
• Fixed Micro links level, micro link flicks analysis due to miss alignment of hops.
• Checked end to end outage related issues which were due to hardware issue, power issue, fibre issue.

Bachelor of Technology in Electronics and Communication – Punjab Technical University (2004-06 – 2008-06)