It Systems Operations

Jay Sehgal

Brampton, Ontario, L*X *X* 647-***-**** ***************@*******.***

https://www.linkedin.com/in/jatinder-sehgal/

Professional Summary

Results-driven IT professional with 20+ years of experience designing, supporting, and optimizing enterprise IT systems in telecom, banking, and technology sectors. Specialized in Unix/Linux administration, automation, DevOps, and incident management within high-availability, mission-critical environments. Proven ability to streamline operations, solve complex issues, and lead cross-functional teams through continuous improvement initiatives. Experienced in infrastructure, OpenStack cloud platforms, containerized microservices, and RESTful, API-first architectures.

Core Competencies

Cloud & Virtualization: OpenStack, VMware Cloud, NFV/SDN, Virtualized Core Networks

System Administration: Red Hat Linux, Ubuntu, Sun Solaris (Certified), Windows Server

Automation & DevOps: CI/CD, Jenkins, GitLab, Docker, Shell, Python, Perl, Kafka (exposure)

Monitoring & Incident Response: Splunk, Grafana, Kibana, Zabbix, SLA/ITIL, Elasticsearch

Security & Compliance: PCI DSS, ITIL Foundation, Security Policy Enforcement

Telecom & Networking: 3G/4G/5G, Diameter, SS7, IMS Core, Data Center Infrastructure

Leadership & Collaboration: Agile Delivery, Change Management, Cross-Functional Teams

Professional Experience

Telecoms Technology Specialist

Bell Mobility, Mississauga, ON, Canada Apr 2016 - Nov 2024

Deployed, configured, and supported 3G, LTE, and 5G telecom platforms, ensuring 99%+ availability and performance in mission-critical environments.

Automated recurring operational tasks using 10+ custom Bash and Python scripts, reducing manual workload by over 50 hours per month.

Resolved 200+ monthly technical issues in collaboration with cross-functional teams, maintaining a 98% SLA compliance rate.

Proactively monitored and managed AAA, PCRF, and ECS charging systems, reducing incident volume by 20% through early detection and intervention.

Led incident triage and root cause analysis (RCA) across multi-tier applications, resolving over 92% of incidents within SLA through structured response protocols.

Authored detailed system documentation, operational runbooks, and configuration guides to support onboarding, audits, and knowledge sharing.

Delivered backend API and platform fixes by translating business needs into technical solutions, reducing customer complaints by 20%.

Partnered with DevOps and cloud teams to optimize log analysis and automation within OpenStack environments.

Key Achievements:

Led the migration from Splunk to Elasticsearch, eliminating $250K in annual licensing costs.

Executed SAN migrations for Online Charging Systems (OCS) with zero data loss and minimal downtime.

Enhanced critical call flow validations by integrating JMeter, increasing testing efficiency by 20%.

Supported containerized microservices and REST API integrations to ensure compliance with the Wireless Code of Conduct.

Collaborated with system architects to analyze log pipelines and streaming behaviors using Kafka and Elasticsearch.

Designed and implemented the OPS Change Management framework, including workflows, approval protocols, training, and documentation.

Spearheaded the Incident Management process, creating standardized triage paths, escalation protocols, and tooling for structured incident response and reporting.

Senior Banking Payments Analyst

Wincor Nixdorf, Dartford, UK Sep 2006 - Jan 2016

Managed and supported Base24-EPS payment systems processing 5M+ daily transactions, maintaining 99.9% system availability.

Oversaw PCI DSS compliance initiatives, including vulnerability scanning and HSM crypto key lifecycle management.

Developed automation scripts and utilities to streamline operations, reducing manual intervention by 40%.

Installed and supported VMware environments and deployed POS/ATM software across 2,000+ terminals.

Conducted end-of-day financial data reconciliation and reporting to support core banking operations.

Key Achievements:

Reduced incident detection time by 30% through enhanced monitoring with Zabbix and Unix log correlation.

Successfully led annual disaster recovery exercises, improving recovery time by 20% and maintaining 100% success rate.

Spearheaded the Base24-EPS Link IIN/TC33 IPF refresh project to align payment systems with evolving international standards.

Education & Certifications

Bachelor of Arts (Hons), Business Studies – University of Hertfordshire (UK)

Sun Solaris Certified System Administrator

ITIL Foundation Certified

VMware Cloud Fundamentals

Technical Skills

Operating Systems: Red Hat, Ubuntu, Solaris, Windows Server

Languages/Scripting: Shell, Python, Perl, SQL

DevOps & Automation: Jenkins, Ansible, Docker, GitLab CI, REST APIs, SOAP UI

Monitoring & Logging: Splunk, Zabbix, Grafana, Kibana, Elasticsearch, Osix

Telecom Technologies: Diameter, SS7, IMS Core, NFV/SDN, Kafka (exposure), Microservices

Databases: SQL Server, Postilion

Tools & Ticketing: Jira, Confluence

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