Worked as a Asst Systems Engineer under the Cyber Security Domain. PKI Technology was the main focus of work. learned working with windows servers, Managing the public key infrastructure of a big scale organisation. Trained in cryptography and cyber security tools for a month.

Key Responsibilities

• Implementation of PKI setup (Root CA, Issuing CA, OCSP, AIA, CDP)
• Issuing the manually enrolled digital certificates (SSL/TLS, Code Signing)
• Troubleshooting the issues related to auto-enrolled certificates (User smartcard log-on, EFS, Client Authentication)
• Monitoring the CRL publication and taking necessary actions to keep CRL up to date.
• Managing Thales nCipher HSM for private key management in the enterprise PKI.
• Creating and publishing new certificate templates based on the requirement.
• Taking ownership of all issues related to PKI infrastructure.
• Performing health check of PKI servers and service to ensure availability.
• I am having good knowledge on encoding, hashing and cryptographic algorithms (Base64, SHA1, SHA256, RSA)
• Preparing guidance documents for creating CSR, installing certificates and binding with IIS.
• worked on migrating PKI setup from Windows 8 to Windows 16 servers.
• Automated certificate revocation using batch scripting.
• Created a batch file to issue bulk certificates at a time.