Ravi Ranjan
Infoblox DDI Administrator
Noida
Summary
To pursue my career in an organization, which caters to my core competencies, where I can instigate my skills, knowledge and experience to achieve organization goal through continuous l learning and self-development, while being innovative and enduring and to lead a team and attain the goals and visions
I have over all approx. 10 Years of solid hands on experience and Skills competencies, which include daily operations on DDI, & Zscaler Administration.
Overview
9
9
years of professional experience
2006
2006
years of post-secondary education
2
2
Languages
Work History
Senior Lead, Network services
Kyndryl
04.2024 - Current
- Took ownership of customer issues and see problems through to resolution.
- Research, diagnosis, troubleshot, and identify solutions to resolve customer issues.
- Infoblox DTC management.
- Deploy Infoblox Boxes as and when required.
- Manage upgrade and apply the hotfix on Infoblox boxes.
- Integrations MS server to Infoblox.
- Backup management of Infoblox.
- Network management via IPAM.
- Manage reporting and fetch several types of reports.
- Addressing escalated tickets and resolving outage scenarios for customers.
- Providing technical support to enterprise and ISP customers of Infoblox across the globe.
- Proficient in managing and configuring Infoblox's DNS, DHCP, IPAM, Reporting, MS Sync, BloxOne Threat Defence, among others.
- Possessing hands-on experience with Infoblox hardware appliances.
- Creating training materials, labs, and learning paths for Infoblox products and features.
- Developing internal and customer-facing knowledge base articles.
- Managing configurations, migration activities, and other Infoblox-related tasks.
- Manage customized SPLUNK queries to meet internal reporting needs.
- Deployed, configured, and managed Network Insight, DNS, and DHCP appliances.
- Create and Private zone and their record for 3rd. party vendor support.
- Infoblox roll back access management.
- Managing custom option through Infoblox.
- Managing roaming client DNS traffic through BloxOne.
- Deployed and configured Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) across a global enterprise network, improving cloud security and application access.
- Managed policy creation for URL filtering, SSL inspection, cloud firewall rules, bandwidth control, and sandboxing.
- Integrated Zscaler with Azure AD/Okta for SAML SSO, enabling seamless and secure user authentication.
- Monitored traffic using Zscaler Nanolog Streaming Service (NSS) to forward logs to SIEM tools like Splunk for real-time alerting.
- Troubleshot issues related to PAC file configurations, user traffic redirection, and authentication failures.
- Implemented Zscaler App Connector in AWS/Azure to securely access private cloud applications via ZPA.
- Enforced Data Loss Prevention (DLP) and Cloud Access Security Broker (CASB) policies via ZIA to comply with internal governance and regulatory requirements.
- Implemented Advanced Threat Protection (ATP) and integrated CrowdStrike/EDR platforms with Zscaler for endpoint correlation.
Senior Technical Lead
HCL
07.2016 - 04.2024
- Oversaw the infrastructure for DNS, DHCP, Network Insight, and Reporting at HCL, ensuring their smooth operation.
- Managed configurations, migration activities, and other Infoblox-related tasks.
- Developed customized SPLUNK queries to meet internal reporting needs.
- Deployed, configured, and managed Network Insight, DNS, and DHCP appliances.
- Onboarding New DNS site and support.
- Infoblox NTP configuration and support.
- Manage Infoblox DHCP configuration and scope management.
- Manage Infoblox DHCP failover and cluster management.
- DHCP server Migration from windows to Infoblox.
- Manage Infoblox recursive DNS and BloxOne.
- Integration MS server to Infoblox.
- Backup management of Infoblox.
- Managing configurations, migration activities, and other Infoblox-related tasks.
- Manage customized SPLUNK queries to meet internal reporting needs.
Education
10th Standard -
Bihar School Examination Board Patna
12th Standard - undefined
Bihar School Examination Board Patna
Bachelor of Science (BSC) - undefined
Babasaheb Bhimrao Ambedkar Bihar University
Master of Business Administration (MBA) - Distance Education
Symbiosis
Skills
CCNA in Network Infrastructure (Cisco ID: CSCO14611565)
Proficient in Bash scripting and Linux command-line tools for automating system administration tasks and building custom tools
Developed Splunk queries and search strings to extract meaningful insights from large datasets
Proficient in Infoblox API and scripting for automating routine tasks, such as DNS record creation and modification, DHCP lease management, and IPAM operations
Proficient in Infoblox migration and upgrade processes for moving from legacy DNS and DHCP solutions to Infoblox
Disclaimer
I, hereby declare that the particulars furnished above are true, authentic and complete to the best of my knowledge.
Personal Information
- Citizenship: Indian
- Father's Name: Mr. Mithilesh Kumar Singh
- Date of Birth: 12/22/91
- Gender: Male
- Nationality: Indian
- Marital Status: Married
Timeline
Senior Lead, Network services
Kyndryl
04.2024 - Current
Senior Technical Lead
HCL
07.2016 - 04.2024
12th Standard - undefined
Bihar School Examination Board Patna
Bachelor of Science (BSC) - undefined
Babasaheb Bhimrao Ambedkar Bihar University
Master of Business Administration (MBA) - Distance Education
Symbiosis
10th Standard -
Bihar School Examination Board Patna