Zohaib Khalid

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       Data Engineer | Python Developer | Solution Architect

Highlights of Qualifications

 - Over 14 years of experience in technical and managerial roles at leading companies.
 - Seasoned Python developer focused on automating ETL/ELT data pipelines.
 - Architect of resilient, end-to-end solutions in on-site and cloud environments.
 - Certified by Google, Astronomer, Meta, AWS, Deeplearning.AI, Duke, Stanford, etc.
 - Recipient of the Ericsson Innovation Award and Employee of the Year at PTCL.
 - Mensa certified with an IQ above 135, placing in the 98th percentile globally.
 - Recognized on the Dean’s Roll of Honor for maintaining above-average GPA.

Professional Work Experience

#️⃣ Ericsson

🔸 Senior Manager Data Analytics
🔸 Cloud Software & Services – Cognitive Network Solutions Department
🔸 Apr 2023 – Present

Hired and led a team of six data engineers and analysts to automate service delivery pipelines and KPI reporting dashboards for Zain Telecom Iraq, resulting in faster delivery and significant cost savings.

  • Conducted requirement analysis and built ETL pipelines using Airflow on AWS.
  • Managed AWS admin tasks focused on FinOps and DataOps.
  • Facilitated technology transfer with Ericsson’s Global Services Center in China.
  • Performed code reviews and maintained the code repository.

Tech Stack: Airflow, AWS, Python, Pandas, PySpark, Git, MSSQL, Excel

🔸 Experienced Software Developer
🔸 Network Performance Optimization Department
🔸 Jan 2019 – Mar 2023

I led a growing team of data engineers to deliver network performance reports to nationwide operation teams of Jazz Telecom. My initiative in implementing unattended automation and ensuring exceptional data quality earned us the Ericsson Innovation Award significantly enhancing our team’s visibility and reputation.

  • Architected ELT data pipelines capable of 3-Hourly batch ingestion of 25GB daily.
  • Modeled a 100TB+ on-site MSSQL data warehouse for 5+ years of historical data delivering 100+ daily reports.
  • Automated data cleaning and ingestion from multiple Ericsson, Huawei, Nokia Siemens and ZTE OSS.
  • Maintained materialized views of aggregated and consolidated data of 2G, 3G and 4G LTE on multiple dimensions.
  • Developed an AI email responder to convert text to SQL queries for adhoc requests.
  • Developed incident analysis tool to identify issues using historical data and engage RF optimizers for root cause analysis.
  • Implemented use cases for cell performance analysis such as worst, degrading, sleeping & top contributing cells.
  • Automated daily audit of CM dump for parametric diversity, neighbor inconsistencies and delta analysis.
  • Maintained a rack of 6 HP DL380 servers containing VMWare vSphere ESXi hypervisors and multiple VMs.

Tech Stack: Python, Pandas, MapReduce, Git, MSSQL, Metabase, PowerBI, XML, VMWare, Evidence, ZeroTier

🔸 Optimization Engineer
🔸 Network Design Optimization Department
🔸 Nov 2014 – Jan 2019

I supported nationwide team of RF optimizers, working for Warid Telecom, to automate and streamline their disjoint repetitive data consolidation tasks into centralized pipelines having multi-vendor data ingestion and standardized reports. I was given Excellence Award in Speed & Quality due to my excellent services.

  • BI calculations and performance reporting on multiple time/regional dimensions.
  • Developed web interface for team to keep up-to-date physical parameters of sites.
  • Key ad-hoc reporting resource during Warid-Mobilink merger.
  • Audit of new rollout sites with baseline PM/CM checks.

Tech Stack: Python, Autoit, MSSQL, Excel, Huawei PRS/U2000, ZTE NetNumen, Nokia NetAct, Ericsson ENIQ, SAP BO

#️⃣ Pakistan Telecommunication Company Limited, Etisalat

🔸 Assistant Manager Network Support
🔸 IT Data Center Department
🔸 Oct 2010 – Nov 2014

I led a team of vendors to provide managed services on nationwide data networks, servers, applications and databases. I also function as a critical resource to assist with complex design, configuration and securing business-critical networks. Consolidating and automating streaming log analysis of multiplex nodes using Splunk reduced MTTR of operational issues significantly, which led me to receive Excellence award by the CIO followed by the Best Employee of the Year award by the President and CEO.

  • Developed custom python scripts to source handpicked data for analysis in Splunk.
  • Coded timeping using python and scapy to identify sub-second network delays on intra-city WAN links.
  • Assisted C-suite executives to finalize various workflows and design requirements.
  • Evaluation of RFQ responses for deployment of private cloud from various vendors.
  • Initiated SOC department by deploying SIEM and various compliance, policy planner and change management modules.
  • Managed 150+ nodes and nationwide WAN connectivity links, firewalls and uplinks.
  • Managed Cisco Unified Contact Center Enterprise (UCCE), Call Manager, Voice Gateways, Workforce management etc.

Tech Stack: Python, Splunk Enterprise, PHP, HTML/CSS/JS, Linux, MS SQL, Cisco, VMWare

#️⃣ SecuNet, Benebit Networks

🔸 Quality Assurance Engineer
🔸 Quality Assurance Department
🔸 Jan 2009 – Feb 2010

Functioned as a liaison for the Finland based software house and performed automated QA testing of their Data Loss Prevention (DLP) software inGaurd.

  • Written scripts to stress test data leakage attempts via Disk I/O, LAN, Internet, printing, burning to Optical disk etc.
  • Maintain bug list and automated testing reports for nightly software builds.
  • Maintained Windows Server Active directory and Linux – Debian/Ubuntu Servers.
  • Maintained Virtual Private Network (VPN) between Lahore and Oulu, Finland offices.

Tech Stack: Python, Perl, C++, VBS, MySQL, SVN, Scapy

Education

M.Sc. Engineering Management
University of Engineering and Technology
2020
Majors: Project Management, Risk Management

B.Sc. Telecommunication Engineering
National University of Computer & Emerging Sciences
2010
Majors: Database Systems, Data Communication

Professional Certifications & Trainings

  • Certification for Apache Airflow, Astronomer – 2024
  • Cloud Digital Leader Certification, Google – 2024
  • Applied Python Data Engineering Professional Certificate, Duke University – 2024
  • AWS Well-Architected Proficient – 2024
  • Data Science for Managers Bootcamp, Ericsson – 2024
  • Machine Learning Specialization, Stanford University – 2024
  • PMP - Project Management Professional Training (40 PDU), PTCL Academy – 2013
  • Qualified High IQ Individual, Mensa – 2011

(Additional certifications can be added as needed)

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