PKI & Certificate Management Engineer (Microsoft AD CS)

Create Synergies Inc.; Quezon City; On-site; PHP 900,000 - 1,500,000; Full time

Job summary

Create Synergies Inc. in Metro Manila is seeking a Certificate Management / Microsoft PKI Engineer to administer and support enterprise PKI across on-prem and cloud environments.

You will manage certificate lifecycles, issuance, renewal, deployment and rotation while enforcing security standards. Collaborate with infrastructure, network, security and application teams to prevent disruptions, troubleshoot TLS/HTTPS and trust issues, and automate repetitive tasks with PowerShell or script-based

Qualifications

• 5–8+ years in compute or infrastructure environments.
• 3–5+ years managing PKI and enterprise certificates.
• Strong Windows (Wintel) background.
• Experience with AD CS and PKI platforms.
• Understanding of TLS/HTTPS, X.509 and trust models.

Responsibilities

• Administer and support enterprise PKI and certificate management across on‑premises and cloud environments.
• Manage the full certificate lifecycle including issuance, deployment, renewal, rotation, revocation and troubleshooting.
• Monitor certificate validity to prevent service disruptions.
• Troubleshoot certificate chains, TLS/HTTPS issues and trust relationships.
• Collaborate with infrastructure, network, security and application teams to resolve certificate‑related issues.
• Ensure renewals and rotations occur within required timelines to maintain service continuity.

Skills

PKI administration

Certificate lifecycle management

Windows infrastructure

Scripting (PowerShell)

ITSM tools

Cross-functional collaboration

Attention to detail

Tools

Venafi

Keyfactor

AppViewX

DigiCert

Sectigo

ServiceNow

Job description

Create Synergies Inc. in Metro Manila is seeking a Certificate Management / Microsoft PKI Engineer to administer and support enterprise PKI across on-prem and cloud environments.

You will manage certificate lifecycles, issuance, renewal, deployment and rotation while enforcing security standards. Collaborate with infrastructure, network, security and application teams to prevent disruptions, troubleshoot TLS/HTTPS and trust issues, and automate repetitive tasks with PowerShell or script-based