CYRIL BABU YALLA
Network Security Administrator
Hyderabad,TG
Summary
Seasoned Associate Consultant with 14+ years in IT, specializing in F5 ADC administration and infrastructure projects. Demonstrated expertise in designing and implementing solutions for sectors like PCI, government, retail, and media. Skilled in maintaining security postures to safeguard sensitive data and mitigate risks. Known for meeting client demands and nurturing long-term relationships through leadership and problem-solving.
Overview
14
14
years of professional experience
Work History
Associate Consultant
Novartis AG
Hyderabad
02.2024 - Current
- Engineered all designs and implementations for new and existing applications, addressing escalated issues end-to-end.
- Documented and validated information from various teams, creating share points for future reference.
- Trained new team members on LTM, WAF, and GTM technologies to ensure smooth operations.
- Prepared and updated multiple SOP documents for efficient daily operation reference.
- Participated in discussions with clients to enhance delivery operations and address concerns.
- Guided team in meeting client expectations while improving technical knowledge through daily challenges.
- Ensured enforcement and regular updates of configured WAF policies to maintain security standards.
- Assisted engineering team with projects, deployments, and troubleshooting efforts.
NOC Technical Lead
Nielsen Media
Chennai
05.2023 - 11.2023
- Facilitated transition of Network Data and Security from client to steady state team.
- Documented and validated information received from client and transition teams during transition.
- Trained steady state team on technologies to ensure seamless operations.
- Prepared Standard Operating Procedure documents for steady state team reference during daily tasks.
- Participated in discussions with client to identify improvements for delivery operations.
- Guided team in meeting client expectations and enhancing technical knowledge through daily challenges.
- Generated weekly and monthly performance reports for team evaluation.
- Managed client and team escalations effectively to resolve issues promptly.
Cloud Security Engineer
Sydney Trains
Brisbane
12.2022 - 05.2023
- Deployed multi-vendor security orchestration tool, TUFIN, integrating all firewalls seamlessly.
- Created zones based on IP subnet usage across Azure and AWS environments.
- Defined security policies according to IT security best practices to regulate data flow.
- Validated performance and identified functional issues with Tufin tool for optimization.
- Documented all processes and observations, delivering comprehensive handover of the tool to business.
Network Operations Engineer
Coles Group
Melbourne
11.2021 - 12.2022
- Monitored and managed network operations for over 4,000 stores, including Coles Supermarkets and Coles Liquor.
- Oversaw supply chain distribution centers and data centers in Tallyho and Tooronga.
- Validated all issues, escalating to Core team when necessary.
- Managed Cisco routers, switches, and Wireless Access Points via Cisco Prime Infrastructure.
- Troubleshot alerts from Cisco ACI and SDWAN infrastructures.
- Configured Radware load-balancer by creating virtual servers, pools, and SSL certificate offloading.
- Coordinated with ISPs to resolve internet and VPN issues across all locations.
- Prepared and updated procedural documents alongside Visio diagrams for daily operations.
Senior Network & Security Engineer
National Heavy Vehicle Regulator
Brisbane
10.2018 - 10.2021
- Monitored and managed network and security devices for NHVR across 16 sites in Australia.
- Deployed Multi-Factor Authentication (MFA) organization-wide to enhance security.
- Managed regular backups for virtual devices and configuration backups for network equipment.
- Executed patch management on all servers and laptops using Shavlik, applying updates to network devices.
- Coordinated WAN management with Telstra as primary network owner for managed routers and IP VPN firewalls.
- Scanned and mitigated vulnerabilities across the network to ensure robust security posture.
- Provisioned and restricted access to sensitive information, ensuring compliance with protocols.
- Designed and deployed F5 devices (LTM, APM), customizing configurations per business requirements.
Security Engineer
Western Union Business Solutions
Sydney
03.2016 - 09.2018
- Served as primary network and security support contact for Western Union APAC Data Center.
- Provided 24/7 network and security support for all APAC sites, including Sydney DC.
- Completed refresh of Sydney Data Center, migrating services and decommissioning obsolete infrastructure.
- Delivered Internet and WAN connectivity from Sydney to main Data Centers in USA, collaborating with Verizon and Telstra.
- Coordinated special projects with off-site managers to ensure successful execution.
- Managed upgrades and processed change requests with internal teams and vendors.
- Configured and managed F5 LTM devices, ensuring optimal performance.
- Created user accounts in RSA and SafeNet, allocating tokens based on requirements.
Senior Network Specialist
Wirecard AG – VISA Engagement
Chennai
02.2015 - 03.2016
- Configured and managed F5 LTM and GTM, including upgrades.
- Added routes, configured switch ports, and established VLANs for network efficiency.
- Managed Infoblox device for DNS, NTP services, and executed device upgrades.
- Analyzed and applied patches for routers and switches based on Qualys and Nipper reports.
- Contributed to data center migration completed within scheduled downtime.
- Configured and managed ASA firewalls with regular signature updates on IPS devices.
- Ensured 100% availability for support by managing email and ticket queues.
- Conducted thorough analysis for major incidents, providing root cause analysis involving principal vendor.
Network Specialist
Visa Processing Services
Chennai
06.2012 - 02.2015
- Configured and managed F5 LTM and GTM routing, adding and removing route entries for clients.
- Oversaw public and private IP address management to optimize resource allocation.
- Implemented EIGRP, BGP, and static routing protocols for efficient network performance.
- Executed level 1 and level 2 troubleshooting on routers, switches, and firewalls.
- Conducted hardening processes for new routers and switches to enhance security.
- Coordinated with SingTel to resolve Internet and MPLS issues in Singapore data centers.
- Prepared Visio diagrams for service and client-specific configurations.
- Developed change documents based on requirements and ensured successful implementation.
Network Analyst
Brocade TAC Support
Chennai
11.2011 - 06.2012
- Executed first-level troubleshooting for network issues reported by Brocade customers.
- Replicated customer-reported issues in laboratory environment to diagnose problems.
- Delivered daily operational support to clients, ensuring smooth network performance.
- Utilized hands-on experience with Brocade routers and switches for effective problem resolution.
- Applied basic knowledge of data center design while contributing to Brocade lab development.
Education
Bachelor of Technology - Electronics & Communications
Raghu Engineering College
Vishakhapatnam04-2011
Skills
Networking: TCP/IP Suite Network Troubleshooting & Packet Analysis (Wireshark, NetFlow) HTTP/S Traffic Analysis SSL/TLS Certificate Management DNS Configuration & Zone Management DHCP Scopes & Failover SMTP Configuration & Security IPSec VPN Implementation GRE Tunneling Routing & Switching (Cisco) VLANs, STP, QoS Optimization
Cisco Technologies: Cisco Routers & Switches Cisco ACI Architecture Cisco SD-WAN Deployment Cisco Meraki Cloud Solutions Cisco WLC Configuration Cisco Prime Infrastructure Cisco ISE Integration (NAC) ACS Server Management Cisco Security & Policy-Based Routing
Load Balancing & Application Delivery: F5 LTM & WAF Administration F5 GTM & APM Access Control Radware Alteon Load Balancing SSL Offloading Application Layer Traffic Optimization
Firewall & Security Solutions: FortiGate Firewall Administration Palo Alto Networks Security Policy Design Threat Prevention & UTM Management RSA Authentication Integration Cloud Security Controls Zero-Trust Network Access IPS/IDS Configuration AAA & NAC Policy Enforcement
Cloud & Virtualization: Microsoft Azure Cloud Services (Networking, Security Groups, ExpressRoute) Windows Server Administration (AD, DNS, DHCP, GPO) VMware Virtualization (ESXi, vCenter, vMotion) Hybrid Cloud Architecture AI-Assisted Performance Optimization
Monitoring & Analytics: LogicMonitor Analytics Statseeker Monitoring Splunk Log Analysis & Correlation SolarWinds Network Performance Monitoring SNMP/Syslog Integration Predictive AI-Driven Alerting & Anomaly Detection
Automation & Management: Project Delivery Management Change Management Frameworks (ITIL) AI-Driven Configuration Automation Infrastructure as Code Familiarity Predictive Maintenance using AI Insights
Security & Compliance: IPSec, SSL/TLS, and Encryption Protocols Access Control Policies Identity Management (Azure AD, RSA) Security Auditing & Compliance Reporting Incident Response & Forensics
Professional & Soft Skills: Effective Communication Client Relationship Management Technology Training & Mentorship Cross-Team Collaboration Escalation & Crisis Management Analytical Problem Solving Issue Troubleshooting Continuous Learning & Innovation
Technical Certifications
- Cisco Certified Network Associate (R&S)
- Cisco Certified Network Associate (Security)
- Certified Meraki Networking Association (CMNA)
- Azure (SC-300) – In progress
Languages
Telugu
First Language
English
Proficient (C2)
C2
Tamil
Elementary (A2)
A2
Hindi
Intermediate (B1)
B1
Timeline
Associate Consultant
Novartis AG
02.2024 - Current
NOC Technical Lead
Nielsen Media
05.2023 - 11.2023
Cloud Security Engineer
Sydney Trains
12.2022 - 05.2023
Network Operations Engineer
Coles Group
11.2021 - 12.2022
Senior Network & Security Engineer
National Heavy Vehicle Regulator
10.2018 - 10.2021
Security Engineer
Western Union Business Solutions
03.2016 - 09.2018
Senior Network Specialist
Wirecard AG – VISA Engagement
02.2015 - 03.2016
Network Specialist
Visa Processing Services
06.2012 - 02.2015
Network Analyst
Brocade TAC Support
11.2011 - 06.2012
Bachelor of Technology - Electronics & Communications
Raghu Engineering College