Qaiser Shahzad Qureshi
Planning / Customer Success / Professional Services / System Integration / Operations
Dubai
Summary
Strive for optimal utilization of skills, abilities, education, and experience to benefit the organization. This involves embracing challenges that refine skills and experience, ensuring job security, and achieving growth in a high-pressure environment.
Having an extensive experience of 20 years providing consultancy, System/service Integration & installation, Testing area, IOT, UAT, POC and Trials Deployment, Performance Analysis, System expansion, migration, integration, Operation and Maintenance. Onsite Delivery and Post Production Support at customer's sites with remarkable understanding of Access, Distribution, IP-Core, EPC (PCRF-PCEF), Virtualization, Linux, database and automation (MySQL, Python, APIs (Rest, SOAP, JSON)).
Overview
20
20
years of professional experience
Skills
Team Collaboration
Adaptability and Flexibility
Multitasking Abilities
Client Relations and Management
Scripting and Automation (python, SandScript, JavaScript, Bash, REST, SOAP)
Networks(OSPF, BGP, switching, 3GPP-PCEF)
Database MySQL, HP-Vertica, Tableau
Virtualization and cloud solutions (KVM, Dockers, AWS, Azure, OpenStack
System Integration and Migration
Linux
Work History
Principal VAS Engineer
AppLogic Networks
04.2026 - Current
- Act as a subject matter expert across AppLogic VAS solution verticals, supporting complex troubleshooting, operational best practices, process and tooling improvements, High-Level Design (HLD) and Low-Level Design (LLD) development/review, and regional team capability development.
- Designed and developed an AI-enabled automation and DevOps blueprint for AppLogic VAS operations.
- Perform daily VAS network and data center operations for key account, supporting high-availability production environments and customer-facing operational stability.
- Lead proactive new solution integrations and monitoring of system health, KPIs, SLA indicators, logs, alarms, software/hardware issues, and critical service events with urgency when issues arise.
- Diagnose AppLogic solution failures across DPI, PCEF and VAS platforms, recommending configuration changes and corrective actions.
- Analyze and troubleshoot critical DPI platforms.
- Manage internal and customer escalations, provide status updates, coordinate cross-functional investigations, and drive complex technical issues to closure.
- Work with Customer Operations teams for deployment, maintenance, administration, upgrades, change management, and maintenance-window activities.
- Provide consultative support, technical guidance, mentorship, and knowledge transfer to customers, internal teams, and less experienced engineers.
- Develop Python, SandScript, REST API, Ansible, Bash, Jenkins and SQL-based automation for KPI validation, operational checks, measurements, reporting, and customer-specific workflows.
VAS Engineer II
AppLogic Networks
03.2025 - 03.2026
- Designed, developed, and continuously refined DPI signatures for Internet protocols such as VoIP, IPSec/SSL VPN, Cloud Gaming, and OTT applications, using traffic classifiers, encrypted traffic heuristics, TLS/QUIC fingerprinting, and behavioral flow analysis to achieve accurate service identification even in encrypted environments.
- Automated complete signature lifecycle workflows (creation → regression testing → deployment → monitoring) using Python, REST APIs, Git CI/CD, and MPE SandScript, reducing manual effort by 70%, accelerating update release times, and ensuring rapid mitigation against protocol changes or application obfuscation techniques.
- Integrated Vertica analytics into DPI intelligence pipelines to analyze subscriber traffic patterns, measure false-positive rates, validate signature KPIs, and identify application revenue leakage using scalable SQL models; enabling proactive detection of unclassified traffic and increased coverage for emerging apps.
- Collaborated directly with telecom revenue assurance, policy control, and network engineering teams to enforce charging and QoS rules, preventing misclassification of billable services, mitigating data bypass attempts, and protecting high-value revenue streams from leakage caused by unmanaged VoIP/VPN applications across millions of subscribers.
- Built automated leakage detection dashboards correlating DPI classification, IPFIX export, and Vertica records to identify bypass vectors, optimize charging rules, and provide actionable reporting to stakeholders, resulting in multi-million dollar retention of charging revenue for 4G/5G customers.
Professional Services Solution Engineer
AppLogic Networks
09.2022 - 02.2025
- Spearheaded integration of Deep Packet Inspection (DPI) and Policy and Charging Enforcement Function (PCEF) solutions across proprietary hardware platforms along with Dell OEM, enhancing network management and monitoring capabilities for telecom operators
- Engineered and optimized data flows utilizing HP Vertica, achieving significant improvements in data retrieval speeds and analytics processing, which supported real-time decision-making and network policy enforcement
- Led development of High-Level Designs (HLD) and Low-Level Designs (LLD) for network architecture, ensuring compliance with both technical specifications and business objectives
- Authored detailed Integration and Migration Methods of Procedures (MOP), streamlining deployment process and minimizing potential disruptions during system upgrades
- Designed and executed User Acceptance Testing (UAT) protocols to validate system functionality and performance against client requirements prior to full-scale implementation
- Performed installation and commissioning of network solutions, ensuring systems were deployed according to design specifications and operational within projected timelines
- Managed network and service migration projects, ensuring a seamless transition with minimal impact on existing services and customer experience
- Developed custom solutions using SandScript, Python to tailor DPI functionality to specific client needs, resulting in increase in network efficiency and customer satisfaction
- Leveraged extensive networking expertise to design and implement robust network infrastructures, ensuring seamless interoperability and high availability of services
- Conducted comprehensive system analyses and troubleshooting, reducing system downtimes and significantly improving network reliability and performance
- Collaborated closely with cross-functional teams and clients to define project scope, deliverables, and timelines, consistently delivering projects within time
- Provided expert technical training and support to clients and internal teams, enhancing system understanding and facilitating smooth system adoption and operation.
Customer Success Engineer
AppLogic Networks
01.2020 - 09.2022
- Supporting post deployment issues for one of the largest customer Etisalat solution in META
- O&M Active Logic solution PSM/PRE/PIC/IDS
- O&M Sandvine solution PTS/SPB/SDE
- Supported PS activities for Active Logic solution upgrades
- Investigative skills to monitor, troubleshooting, identify and lead to resolution potential issues on high availability production environment
- Monitoring of system health, KPIs, SLA, logs, alarms for Active Logic and Sandvine 1.0 solution
- Work within customers change management and complete or coordinate maintenance window activities during outages
- Supporting CTS, Sustaining, Signature and Project teams for discrepancies reported by Etisalat or vise versa.
VAS Engineer
AppLogic Networks
04.2017 - 12.2020
- Provides consultative solution expertise along with Customer Training, Handover Presentation
- Coordination with professional service to deliver required solution integration for DPI elements
- Integrating solution with Mobile / WIFI/ /Cable/ ADSL/ DSL/ FTTH Network with other component Data warehouse (Big Data) / PCRF / SNMP Monitoring Tools / Li / CDRs / Gx / Gy
- Investigative skills to monitor, troubleshooting, identify and lead to resolution potential issues on a high availability production environment
- Involved in Proof of concept (POC), trial activity testing for Sandvine use cases
- Daily monitoring of system health, KPIs, SLA, logs, alarms
- Work within customers change management and complete or coordinate maintenance window activities
- Coordination with TAC to resolve DPI issues.
Network Operations Engineer
Integrated Telecom (Salaam)
05.2016 - 04.2017
- Active engagement for new projects and support to design (HLD/LLD) and integrations for Layer 2/3 technologies (WIMAX, DSL, GPoN, VSAT, MPLS-VPN, MBGP, BGP, IS-IS, OSPF) on platform, Cisco 7600, ME3400, 4948, 4507R, Nexus 7k, Huawei Quidway S5700-28C-EI, Huawei ME60, NE40, Wire Filter
- Responsible for Sandvine DPI and Wire Filter support to block Voip protocols (SIP, RTP, MGCP, H.323,RTCP along with other VOIP protocols e.g Whatsapp, Viber, etc) and URLs as per the KSA CITC rules and regulation
- Integrations and Operation Google and Akamai CDN nationwide
- Optimizing MRTG, PHP, Bash, MySQL, Postgresql applications & databases
- Coordination and liaison with CISCO, Huawei, Google and Akamai TAC / Support
- Coordinating and implementing day to day planned / unplanned activities (MDTs).
Team Lead Core Planning and Operations
Wi-Tribe Pakistan
01.2012 - 06.2016
- Integration and Operation Cisco SCE-8000, SCE-2020, Collection Manager and Insight reporter with external MySQL db
- Responsible for subscriber packages and policing grey voice traffic SIP, RTP, MGCP, H.323,RTCP along with other VOIP protocols e.g Whatsapp, Viber, OTT applications and URL blocking on SCE8000 and SCE2020
- Responsible for Network Security support with Cisco ASA, tacacs server, Juniper ISG-Series 1000, Juniper SSG 320M
- Integrations and Operation Ericsson Smart-Edge 400 for local context as per requirement of BSS team, Integrating context with billing and AAA platform (NetOP, BRM) , DNS load balancing on Brocade ADX and LVS-Linux
- Integrations and Operation (WIMAX, MPLS, VPN & Network Security, MBGP, BGP, OSPF) on platform Juniper M7i, Cisco 7600, ME3400, 3700, 4948, 4507R, Nexus 7k, Huawei Quidway S5700-28C-EI, ServerIron ADX Brocade-LB, Ericsson Smart-Edge 400, Neltron XMR 4000, VMWare ESXi, SCE8000 and SCE2000.
Motorola Wimax Executive Support/Field
Wi-Tribe Pakistan
06.2009 - 12.2011
- Maintaining MRTG, bash scripting, PHP, Javascript, MySQL and PostgreSQL dbs on linux/Unix
- O & M of Motorola WIMAX 4.0 CSN Network consisting of CAPCs, Ericsson Smart-Edge 400, XMR4000 Foundry Switch and Huawei WIMAX ASN & CSN Network
- O & M of Motorola DAP 400, DAP 650, Huawei DBS3900
- Network monitoring on Huawei M2000 NMS, Motorola EMS, MRTGs, HP NNM, NAGIOS, Cisco Metro Ethernet ME3400 Access Switches & Cisco 7600 Gateway & Aggregation Routers
- Coordinating and/or implementing emergency restoration activities in outage
- Coordination with Core, Field Operations and RF Teams to facilitate faults in the network within TAT
- Effective management of Trouble Tickets (TT) to closure, keeping SLA requirements
- SCE Insight reports for grey voice traffic, weekly E2E Network Reports(Access/Core availability, Outage reports, BW Utilization etc).
Wimax Operations Engineer
Mobilink (PMCL)
05.2008 - 05.2009
- Performing all day-to-day network monitoring activities for rapid recovery of network faults
- Responsible for the successful deployments of WIMAX network for home and corporate users Providing Level 1,2,3 support
- Coordinating and/or implementing emergency restoration activities to restore outages with in SLA with Core Operations
- Effective management of Trouble Tickets (TT) to closure, keeping SLA requirements.
I.T/Network Coordinator
MCB Bank Ltd
11.2006 - 05.2008
- Responsible for Troubleshooting LAN, WAN, Nortel VPN and Juniper Firewall SSG 320M, 4400 Wireless Controller
- Maintaining MRTG, bash scripting, PHP, Javascript, on linux/Unix
- Monitoring and Optimizing Performance and Reliability.
I.T helpdesk officer
Standard Chartered Bank Ltd
07.2005 - 06.2006
- Managing and Troubleshooting LAN, WAN, ASA firewall, M7i Juniper, 2800 & 3500 Cisco Series
- Maintaining MRTG, bash scripting, Javascript, on linux
- Follow-up with vendors regarding service contract for under support Hardware and applications.
Education
Master of Science - Computer Science
VU Pakistan
Islambad, Pakistan 04.2001 -
Bachelor of Science - Computer Science
University of Peshawar
Peshawar Pakistan 04.2001 -
Timeline
Principal VAS Engineer
AppLogic Networks
04.2026 - Current
VAS Engineer II
AppLogic Networks
03.2025 - 03.2026
Professional Services Solution Engineer
AppLogic Networks
09.2022 - 02.2025
Customer Success Engineer
AppLogic Networks
01.2020 - 09.2022
VAS Engineer
AppLogic Networks
04.2017 - 12.2020
Network Operations Engineer
Integrated Telecom (Salaam)
05.2016 - 04.2017
Team Lead Core Planning and Operations
Wi-Tribe Pakistan
01.2012 - 06.2016
Motorola Wimax Executive Support/Field
Wi-Tribe Pakistan
06.2009 - 12.2011
Wimax Operations Engineer
Mobilink (PMCL)
05.2008 - 05.2009
I.T/Network Coordinator
MCB Bank Ltd
11.2006 - 05.2008
I.T helpdesk officer
Standard Chartered Bank Ltd
07.2005 - 06.2006
Master of Science - Computer Science
VU Pakistan
04.2001 -
Bachelor of Science - Computer Science
University of Peshawar
04.2001 -
Communication Skills
Proficient in English, Urdu, Hindi
Awards
- 2023 Appreciation/achievements claimed for supporting Etisalat as Solution Engineer
- 2021 Appreciation/achievements claimed for supporting Etisalat as CSSE
- 2020 Gained Maximum CSAT as RE from META Customer Du
- 2015 Star Champion of the 4rth Quarter (2015) IP-Core Planning & Operations Wi-Tribe Pakistan
- 2014 Star Champion of the 1st Quarter (2014) IP-Core Planning & Operations Wi-Tribe Pakistan
- 2013 Star Champion of the 2nd Quarter (2013) IP-Core Planning & Operations Wi-Tribe Pakistan
- 2012 Star Champion of the 2nd Quarter (2012), NOC-Monitoring Wi-Tribe Pakistan
Certifications Trainings
- 2021 AWS Certified Solution Architect Associate
- 2021 AWS Certified Cloud Practitioner
- 2016 CCIE Enterprise # 55854
- 2014 Next Generation LTE & EPC Networks (Exuberant Group)
- 2009 JNCIA-ER Associate Enterprise Routing Juniper ID-JPR42143 (Certified)
- 2009 JNCIS-ER Specialist Enterprise Routing Juniper ID-JPR42143 (Certified)
- 2009 JNCIS-ES Specialist Enhanced Services Juniper ID-JPR42143 (Certified)
- 2008 JNCIA-EX Associate Enterprise Switching Juniper ID-JPR42143 (Certified)
Communication Skills
Proficient in English, Urdu, Hindi
References
To be furnished upon request
Awards
- 2023 Appreciation/achievements claimed for supporting Etisalat as Solution Engineer
- 2021 Appreciation/achievements claimed for supporting Etisalat as CSSE
- 2020 Gained Maximum CSAT as RE from META Customer Du
- 2015 Star Champion of the 4rth Quarter (2015) IP-Core Planning & Operations Wi-Tribe Pakistan
- 2014 Star Champion of the 1st Quarter (2014) IP-Core Planning & Operations Wi-Tribe Pakistan
- 2013 Star Champion of the 2nd Quarter (2013) IP-Core Planning & Operations Wi-Tribe Pakistan
- 2012 Star Champion of the 2nd Quarter (2012), NOC-Monitoring Wi-Tribe Pakistan
Certifications Trainings
- 2021 AWS Certified Solution Architect Associate
- 2021 AWS Certified Cloud Practitioner
- 2016 CCIE Enterprise # 55854
- 2014 Next Generation LTE & EPC Networks (Exuberant Group)
- 2009 JNCIA-ER Associate Enterprise Routing Juniper ID-JPR42143 (Certified)
- 2009 JNCIS-ER Specialist Enterprise Routing Juniper ID-JPR42143 (Certified)
- 2009 JNCIS-ES Specialist Enhanced Services Juniper ID-JPR42143 (Certified)
- 2008 JNCIA-EX Associate Enterprise Switching Juniper ID-JPR42143 (Certified)
Communication Skills
Proficient in English, Urdu, Hindi
References
To be furnished upon request