PKI Engineer

2 weeks ago

Bengaluru, Karnataka, India a196b43e-e21f-4ac3-bf4e-c92302ce9415 Full time ₹ 12,00,000 - ₹ 36,00,000 per year


What "Updating PKI certificates" means

They want someone who can:

  • Renew certificates before they expire.
  • Replace expiring or compromised certificates on network devices.
  • Generate CSRs (Certificate Signing Requests) and work with internal or external Certificate Authorities (CAs).
  • Install certificates on network equipment (routers, switches, firewalls, load balancers, VPN appliances, proxies, wireless controllers, etc.).
  • Validate certificate chains (root → intermediate → leaf).
  • Update trust stores on network devices.
  • Troubleshoot certificate-related outages like:
  • VPN authentication failures
  • TLS handshake issues
  • Certificate mismatch or wrong key pairs
  • Expired or revoked certificates


Examples of network devices needing PKI updates

A network engineer may need to update certs on:

  • Cisco ASA/Firepower
  • Cisco ISE
  • Palo Alto firewalls
  • F5 load balancers
  • NetScaler/ADC
  • VPN gateways
  • SD-WAN appliances
  • Wireless controllers (for EAP-TLS)
  • Web proxies


Why customers care

Expired or misconfigured certificates can cause:

  • VPN login failures
  • Admin portals becoming unreachable
  • Network authentication breaking (802.1X, Radius)
  • Encrypted traffic (TLS/SSL) not functioning
  • So, they want someone who can prevent outages and manage the lifecycle of certificates.


Required skill set

When a customer asks for this, they usually expect:

  • Knowledge of PKI fundamentals (RSA, ECC, CSR, CRL, OCSP)
  • Experience with certificate authorities (Microsoft ADCS, Entrust, DigiCert, GlobalSign, etc.)
  • Experience applying certificates on security/network platforms
  • Ability to script or automate renewal workflows (PowerShell, Python, Ansible)

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