HariPrasad Jarugumalli
Hyderabad
Summary
PKI Engineer with 3+ years of experience Involving building,& managing, and maintaining PKI solutions. Proficient in Hand Enterprise Subordinate and Root Certificate Authorities, OSCP servers, and issuing CA certificates. Expertise in managing digital certificates, key management, and revocation processes. I am skilled in using Sectigo and DigiCert for certificate issuance and management. Adept at troubleshooting and resolving complex technical issues.
Overview
3
3
years of professional experience
Work History
System Engineer
TCS
05.2022 - Current
- Involved in Building and managed Enterprise Subordinate Certificate Authority.
- Proficiently Involved in building and managing Enterprise Root Certificate Authority and OSCP server solutions.
- Handling & Issusances of SSL/TLS Certificates & Encryption Certificates.
- Experience in renewal activities for root, intermediate, and issuing CA certificates, as well as performing Root CA CRL renewal activities.
- ensuring the timely and accurate renewal of digital certificates and maintaining the integrity of PKI infrastructure for organizations.
- Hands-on experience in certificate issuance from industry-leading vendors like DigiCert, Issuing Certificate Authority, and Sectigo.
- As part of daily responsibilities, actively engaged in generating, renewing, and revoking certificates, as well as monitoring PKI and Sectigo CERT+ services.
- Performing the revoking of certificates which is not used or duplicate Certificates as per the User requirement via Incidents
- Handling incidents related to auto-enrollment certificates, specifically in the areas of vpn Certificates and client authentication certificates.
- Created and published new certificate templates to meet specific requirements.
- Performing various administrative tasks related to Sectigo Cert+ such as server reboots, patch updates, and workflow management.
- Maintaining PKI servers performing the Monthly Patching Activities along with the on-premises servers.
- Regularly monitor and audit PKI components to identity potential issues and ensuring the overall health and security of the infrastructure
- Uses of OCSP Servers & Publishing of Crl's After Revoking the Not used Certificates.
- Enabled auto-enrollment to streamline certificate issuance for users and devices, and coordinated with server administrators for timely certificate renewals.
- Hands-on experience on publishing of encryption certificates in the Outlook.
- Managing the Encrypting the Messages between the sender & Receiver by public keys & Privite keys.
- Adding users & computers into the Active directory domain.
- Collaborated with cross-functional teams to troubleshoot and resolve technical issues on PKI Certificates.
- Technical Issues like Certificate is showing as not Secure After installing.
- Hans-on Experience on Key recovery of PFX Format Certificates.
- Performing the Taking the Backup of CA While Patching the Servers.
- Knowledge on Appviewx & Venafai.
Education
Master of Science -
Audisankara College Of Engineering And Technology
Guduru, India08-2022
Bachelor of Science -
Audisankara College Of Engineering And Technology
Guduru, India09-2020
Skills
- PKI, DigiCert, Sectigo
- HSM
- Cipher Trust Manager
- HyTrust
- Windows
- ServiceNow
- JIRA
- Appviewx
- Venafai
Timeline
System Engineer
TCS
05.2022 - Current
Master of Science -
Audisankara College Of Engineering And Technology
Bachelor of Science -
Audisankara College Of Engineering And Technology