Senior Administrator - IT security

Job Summary

Execute certificate lifecycle tasks (issuance, renewal, revocation) • Perform SSL certificate installation and renewal tracking • Support Microsoft PKI (ADCS) and CLM tools (App ViewX, Venafi, Keyfactor) • Handle L2 incidents and service requests via ITSM tools • Perform initial troubleshooting and escalate complex issues to L3 • Execute approved changes following CAB processes • Monitor certificate expiry alerts and system health • Maintain SOPs, runbooks, and knowledge base documentation

Key Responsibilities

The Cybersecurity Certification Management L2 resource will be responsible for day-to-day operational support of certificate lifecycle and PKI services within a managed services environment. The role focuses on SLA-driven operations, SOP adherence, and coordination with L3 and stakeholders.

Skill Requirements

Knowledge of Microsoft PKI (ADCS) • Understanding of SSL/TLS and certificate lifecycle • Exposure to App ViewX / Venafi / Keyfactor • Experience with ITSM tools (Service Now preferred)

Other Requirements

4–7 years IT experience with 2–3 years in PKI or security operations Key KPIs • Timely closure of incidents and requests • Zero missed certificate renewals • SLA adherence • Reduction in repeat incidents through knowledge reuse