Senior System Administrator

About the CompanyGenpact (NYSE: G) is a global professional services and solutions firm delivering outcomes that shape the future. Our 125,000+ people across 30+ countries are driven by our innate curiosity, entrepreneurial agility, and desire to create lasting value for clients. 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.
About the RoleTitle: System Administrator
Location: Toronto, Canada
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.
Responsibilities
Manage, monitor, and optimize Windows/Linux servers, virtualization platforms, and cloud infrastructure.
Oversee patch management, system upgrades, and performance tuning.
Implement disaster recovery and business continuity strategies.
Troubleshoot complex system issues and provide Tier-3 support.
Design, implement, and maintain enterprise IAM solutions (Active Directory, Azure AD, Okta, etc.).
Define and enforce role-based access control (RBAC), least privilege, and segregation of duties.
Integrate IAM with applications, cloud services, and security tools.
Conduct periodic access reviews, audits, and compliance reporting.
Lead initiatives for Single Sign-On (SSO), Multi-Factor Authentication (MFA), and passwordless authentication.
Architect, deploy, and maintain PKI solutions (Microsoft ADCS, Venafi, DigiCert, etc.).
Manage digital certificates, smart cards, and hardware security modules (HSMs).
Ensure secure key management practices and lifecycle operations (issuance, renewal, revocation).
Support encryption, digital signing, and secure communication protocols (TLS, SSL).
Collaborate with security teams to enforce cryptographic standards and compliance (NIST, ISO, PCI-DSS).
Qualifications
Bachelor’s degree in Computer Science, Information Security, or related field (Master’s preferred).
7+ years of experience in system administration, IAM, and PKI engineering.
Strong knowledge of Windows/Linux OS, virtualization (VMware/Hyper‑V), and cloud platforms (AWS, Azure, GCP).
Hands‑on experience with IAM tools (Okta, Azure AD, SailPoint, Ping Identity).
Expertise in PKI technologies, certificate management, and cryptographic protocols.
Proficiency in scripting and automation (PowerShell, Bash, Python).Familiarity with compliance frameworks (ISO 27001, NIST, GDPR, HIPAA).
Relevant certifications (CISSP, Microsoft Certified: Identity and Access Administrator, CompTIA Security+, AWS/Azure certifications) are highly desirable.
Desired Skills
Strong analytical and problem‑solving skills.
Excellent communication and documentation abilities.
Ability to lead projects and mentor junior engineers.
Security‑first mindset with attention to detail.
Adaptability to fast‑paced and evolving technology environments.
This description positions the role as a senior‑level hybrid expert across system administration, IAM, and PKI engineering.
Equal Opportunity StatementGenpact 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 environment that values respect and integrity, customer focus, and innovation. For more information, visit Furthermore, please note that Genpact does not charge fees to process job applications and applicants are not required to pay to participate in our hiring process in any other way. Examples of such scams include purchasing a 'starter kit,' paying to apply, or purchasing equipment or training.
#J-18808-Ljbffr