Azure Cloud
SURJEET SINGH
Lead Network Security Engineer
DELHI,Punjab
Summary
Seasoned professional focused on network and security engineering, specializing in designing and implementing secure, resilient network infrastructures. Capable of identifying vulnerabilities, enhancing system defenses, and ensuring robust data protection through advanced technical expertise and proactive strategies. Skilled in safeguarding organizational assets while maintaining optimal network performance.
Overview
17
17
years of professional experience
5
5
years of post-secondary education
3
3
Certifications
3
3
Languages
Work History
Technical Delivery Lead
British Telecom
Gurgaon, Haryana
11.2022 - 02.2025
- Design and implement secure network architectures, including firewalls, VPNs, IDS/IPS, and Zero Trust models.
- Designing the migration strategy for network security devices within an organization ensuring minimal downtime
- Led the installation of new security systems for increased threat detection capabilities.
- Leveraged cloud-based technologies, enhancing scalability and adaptability of business operations securely.
- Communicate with Stakeholders to provide regular updates about the progress, risks, and outcomes of the migration process
- Maintained system compliance with legal requirements and company security standards.
- Coordinate with Vendors/Third Parties when necessary to address technical challenges, perform diagnostics, or request patches
- Assist in hiring, training, and onboarding new security engineers, ensuring they understand company security policies and tools
Network Security Engineer III
Rackspace Technology
Gurgaon, Haryana
11.2021 - 10.2022
- Managing the network security infrastructure of Rackspace Technology customers hosted in multiple datacenters to ensure things are up and running
- Designed and implemented a company-wide network segmentation strategy that reduced unauthorized access attempts by 30%
- Led incident response efforts during a major DDoS attack, reducing downtime by 50% and securing sensitive customer data
- Enhanced network security by implementing advanced firewall configurations.
- Maintained network stability through consistent monitoring and troubleshooting efforts.
- Streamlined system performance with routine software updates and patches.
- Provide mentorship and guidance to junior network security engineers, fostering skill development and best practices within the team
Networking Advisor
NTT DATA (Formerly Dell International Services)
Noida, Uttar Pradesh
09.2014 - 11.2021
- Administered IT infrastructure for seamless business operations.
- Implement strategies for maintaining critical network services in the event of an attack or outage
- Prepare detailed reports following security incidents for post-mortem analysis and improvements
- Stay informed about the latest security threats, vulnerabilities, and attacks, and apply this knowledge to improve the organization’s defenses
- Assisted in the design of multi-site data centre installations, enhancing connectivity across locations.
- Provided technical support and guidance during major system upgrades.
Network Engineer
NaviSite India Pvt Ltd.
Gurgaon, Haryana
01.2013 - 08.2014
- Managing the network infrastructure of NavSite consisting of 3 data-centers to ensure things are up and running
- Provide infrastructure support to 1000+ customers of Navisite which includes managed hosting and colocation customers
- Configuration and management of network security devices such as firewalls, VPNs, routers, and switches
- Troubleshot network issues and provided rapid solutions to limit downtime.
- Reduced downtime through regular monitoring and proactive system checks.
- Performed regular backups safeguarding important company data.
Senior Specialist - Security
HCL Technologies Ltd.
Noida, Uttar Pradesh
12.2008 - 01.2013
- Continuously monitor firewalls, intrusion detection/prevention systems (IDS/IPS), and other security tools for suspicious activity.
- Investigate alerts generated by security systems and determine whether they represent real threats or false positives.
- Managing Network and Security appliances of around 40 sites across the globe
- Updated firewall configurations for enhanced system protection.
- Managed patching schedules for systems, kept them up-to-date against known vulnerabilities.
- Document and report incidents, including the timeline of events, the impact, and the actions taken to resolve the issue.
Technical Support Associate
WIPRO Ltd.
Delhi
11.2007 - 05.2008
- Resolved complex technical issues by troubleshooting and diagnosing hardware and software faults.
- Provide recommendations to customers for improving performance of their desktops
- Documented all call information, providing valuable data for future reference.
Education
Bachelor of Engineering - Electronics & Communication Engineering
Visveswaraya Technological University
Belgaum, Karnataka 09.2002 - 05.2007
Skills
Network Security architecture
undefinedCertification
PCNSE – Palo Alto Networks Certified Network Security Engineer
Software
References
References available upon request.
Timeline
PCNSE – Palo Alto Networks Certified Network Security Engineer
01-2025
Technical Delivery Lead
British Telecom
11.2022 - 02.2025
Network Security Engineer III
Rackspace Technology
11.2021 - 10.2022
Networking Advisor
NTT DATA (Formerly Dell International Services)
09.2014 - 11.2021
Network Engineer
NaviSite India Pvt Ltd.
01.2013 - 08.2014
F5 Product Consultant - LTM v10.x
05-2010
CCNA
08-2009
Senior Specialist - Security
HCL Technologies Ltd.
12.2008 - 01.2013
Technical Support Associate
WIPRO Ltd.
11.2007 - 05.2008
Bachelor of Engineering - Electronics & Communication Engineering
Visveswaraya Technological University
09.2002 - 05.2007
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