ONKAR SUHAS DESHPANDE
Nagpur
Summary
To obtain a challenging position in a high quality engineering environment where my resourceful experience and academic skills will add value to organizational operations.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Technical Specialist
HCL Technologies Ltd
05.2019 - Current
- Led enterprise-wide security assessments and transformation initiatives using Zero Trust and Secure Access Service Edge frameworks.
- Architected and deployed Zscaler Internet Access and Zscaler Private Access for over 5,000 users.
- Designed critical security controls including GRE/IPSec tunnels and Zscaler App Connectors for secure traffic routing.
- Collaborated with cross-functional teams to deliver integrated security architecture solutions aligned with business needs.
- Participated in architectural review boards, ensuring adherence to enterprise standards and scalability requirements.
- Contributed to change management processes, assessing impacts of infrastructure changes on system integrity.
- Managed complete certificate lifecycle using Microsoft and DigiCert PKI, ensuring secure key management practices.
- Executed proof-of-concept projects for modern security solutions, influencing enterprise adoption based on analysis.
Manager Network Security
Reserve Bank Information Technology Pvt Ltd
06.2018 - 04.2019
- Oversaw the Security Operations Center (SOC) and analytics using IBM QRadar, managing end-to-end threat monitoring and incident response processes. This included creating and tuning correlation rules, analyzing alerts for potential threats, and working with analysts to ensure real-time visibility into security events across RBI’s infrastructure.
- Deployed and managed Radware AppWall Web Application Firewall (WAF) to protect mission-critical applications from web-based attacks, such as SQL injection, cross-site scripting, and zero-day threats. Customized security policies and worked closely with application teams to fine-tune rules, ensuring minimal false positives, and maximum protection.
- Performed detailed risk assessments across RBI’s IT infrastructure and applications, evaluating vulnerabilities, misconfigurations, and threat vectors. Translated technical findings into actionable insights by building threat dashboards and risk heat maps, which were shared with IT leadership to support strategic security decisions.
- Collaborated with internal stakeholders on remediation planning, compliance efforts, and architecture reviews, ensuring all infrastructure and application components adhered to RBI's cybersecurity guidelines and regulatory requirements. Provided expert advisory on secure design principles and control implementations during new system rollouts and upgrades.
Senior Engineer
HCL Commet Ltd
11.2014 - 06.2018
- Led a data center virtualization project, overseeing the migration of physical server environments to VMware infrastructure. This included planning, provisioning ESXi hosts, VM migration (P2V), storage configuration, and post-migration validation to ensure seamless business continuity, and improved scalability.
- Managed the network hardware upgrade from Cisco Catalyst to Nexus switches, enhancing data center performance with high availability, increased throughput, and advanced features like vPC and FabricPath. Collaborated with network teams to redesign topology, and implement zero-downtime migration strategies.
- Coordinated the deployment of next-generation firewalls, ensuring secure segmentation, application-layer visibility, and advanced threat protection. Worked on rule migration, policy design, and integration with network monitoring and SIEM systems to ensure improved threat detection and response.
- Installed, configured, and troubleshot Cisco ASA and Check Point firewalls, handling complex access control policies, VPN configurations, and high-availability setups. Regularly audited firewall rules, responded to incident tickets, and worked with application teams to ensure secure connectivity.
- Managed and configured Cisco Sourcefire (now Firepower) and McAfee Intrusion Prevention Systems (IPS), ensuring proactive threat detection and protection. Performed signature updates, tuning of intrusion policies, and analyzed logs for false positives and potential intrusions.
- Administered and troubleshot Radware Alteon load balancers, configuring virtual services (VS), server farms, health checks, and SSL offloading. Ensured optimized traffic distribution across critical applications, and provided support during outages or performance degradation scenarios.
Network Engineer
Tech Mahindra Ltd
05.2011 - 10.2014
- Monitored infrastructure alerts using SMARTS tool to identify critical network performance events.
- Created and tracked incident tickets in HP Service Manager, ensuring timely issue escalation and resolution.
- Managed installation and troubleshooting of network devices, optimizing configuration and performance.
- Executed IOS upgrades, port configurations, VLAN setups, and hardware replacements as required.
- Participated in escalation calls within Network Operations Centre for high-priority incident resolution.
- Collaborated with cross-functional teams and vendors to efficiently isolate complex network faults.
- Ensured maximum uptime of Cisco Catalyst switches, routers, and wireless access points.
- Maintained proactive monitoring to enhance overall network availability.
Education
Bachelor of Engineering -
YCCE
Nagpur01.2011
Diploma in Information Technology -
Government Polytechnic
Nagpur01.2008
SSC -
Tilak Vidhyalaya
Nagpur01.2005
Skills
- Zscaler internet access
- Security architecture
- SSL/TLS lifecycle and PKI
- Firewall and VPN design
- SIEM and SOC operations
- Zero trust strategy
- Cloud security
- Endpoint security
- Cross-domain collaboration
- Change and problem management
- Risk assessment
- Change management
- Team collaboration
Certification
- Cisco Certified Network Administrator
- Checkpoint Certified Security Administrator
- Zscaler Certified Cloud Administrator- Internet Access
- Zscaler Certified Cloud Administrator- Private Access
- Fundamentals of AI Security
Languages
- Hindi
- English
- Marathi
Personal Information
Date of Birth: 09/03/89
Timeline
Technical Specialist
HCL Technologies Ltd
05.2019 - Current
Manager Network Security
Reserve Bank Information Technology Pvt Ltd
06.2018 - 04.2019
Senior Engineer
HCL Commet Ltd
11.2014 - 06.2018
Network Engineer
Tech Mahindra Ltd
05.2011 - 10.2014
Bachelor of Engineering -
YCCE
Diploma in Information Technology -
Government Polytechnic
SSC -
Tilak Vidhyalaya
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