Powered by our purpose the relentless pursuit of a world that works better for people we serve and transform leading enterprises, including the Fortune Global 500, with our deep business and industry knowledge, digital operations services, and expertise in data, technology, and AI. We are seeking a highly skilled and experienced professional to join our IT Security & Infrastructure team as a Senior System Administrator with specialization in Identity & Access Management (IAM) and Public Key Infrastructure (PKI) with experience of 10-15 years. This hybrid role requires deep expertise in managing enterprise systems, securing identities, and designing cryptographic solutions to ensure the confidentiality, integrity, and availability of our IT environment.

Manage, monitor, and optimize Windows/Linux servers, virtualization platforms, and cloud infrastructure. Oversee patch management, system upgrades, and performance tuning. Troubleshoot complex system issues and provide Tier-3 support.

Define and enforce role-based access control (RBAC), least privilege, and segregation of duties. Architect, deploy, and maintain PKI solutions (Microsoft ADCS, Venafi, DigiCert, etc.). Manage digital certificates, smart cards, and hardware security modules (HSMs).

Support encryption, digital signing, and secure communication protocols (TLS, SSL).



Bachelor’s degree in Computer Science, Information Security, or related field (Master’s preferred). ~Strong knowledge of Windows/Linux OS, virtualization (VMware/Hyper‑V), and cloud platforms (AWS, Azure, GCP). ~ Proficiency in scripting and automation (PowerShell, Bash, Python).Relevant certifications (CISSP, Microsoft Certified: Identity and Access Administrator, CompTIA Security+, AWS/Azure certifications) are highly desirable. Ability to lead projects and mentor junior engineers.

This description positions the role as a senior‑level hybrid expert across system administration, IAM, and PKI engineering. Genpact is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. Genpact is committed to creating a dynamic work setting that values respect and integrity, customer focus, and innovation.

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📌 Senior Systems Administrator | Secret Clearance | Remote (Toronto)
🏢 Genpact
📍 Toronto