Posted on: 05/05/2026
Job Title : Senior System Specialist (L3).
Location : Kochi, India (Onsite).
About the Role :
- This role serves as the 3rd escalation point (Level 3) for complex operational incidents.
- The Engineer will utilize deep systems knowledge to proactively identify and resolve issues, manage monitoring systems, and lead maintenance projects.
- The Engineer will strictly adhere to ITIL processes, leveraging Freshservice as the core platform for Incident, Problem, and Change Management.
- The ideal candidate brings deep domain expertise across Microsoft technologies including Active Directory, Azure AD (Entra ID), and Microsoft Intune, alongside strong hands-on experience with virtualization platforms, enterprise backup and disaster recovery, certificate lifecycle management, and cloud service models (IaaS, PaaS, and SaaS) PowerShell Scripting.
Key Responsibilities :
- Perform proactive and reactive health checks, diagnostics, and high-level troubleshooting to ensure continuous availability and performance of the production environment.
- Conduct Root Cause Analysis (RCA) for major incidents, developing and implementing permanent remediation actions to prevent recurrence.
- Manage incident and problem resolution workflows within the FreshService ITSM platform, ensuring clear communication and accurate documentation.
- Adhere to and promote ITIL-aligned processes, specifically in Incident, Problem, and Change Management.
Advanced System Administration :
- Hands-on experience in troubleshooting, patch administration, installation, and remote administration of systems and network.
- Demonstrate extensive Active Directory expertise including design, administration, and troubleshooting of AD DS, DNS, DHCP, Group Policy Objects (GPO), Organizational Units (OU), trust relationships, domain controller management, and AD replication.
- Administer and maintain Azure Active Directory (Entra ID) including hybrid identity configurations, Azure AD Connect, Conditional Access policies, Privileged Identity Management (PIM), and integration with enterprise applications via SAML and OAuth.
- Manage Microsoft Intune and endpoint management at an expert level, including device compliance policies, configuration profiles, application deployment, Windows Autopilot provisioning, and co-management with SCCM/Configuration Manager.
- Administer and maintain enterprise PKI and certificate lifecycle management, including issuing, renewing, revoking, and monitoring SSL/TLS certificates across internal and public-facing systems, and managing certificate authority (CA) infrastructure.
- Manage enterprise backup and disaster recovery systems, including configuration, scheduling, monitoring, and testing of backup jobs; ensure RPO and RTO objectives are met and maintain documented DR runbooks.
- High focus on automation and AI (infrastructure as code, scripting, etc.
- Configure, maintain, and optimize core infrastructure services, including Proxy servers and web servers (e.g., Apache).
- Manage the M365, Azure and other core service admin centres.
Virtualization and Cloud Infrastructure :
- Manage VMware vCenter environments including host clusters, datastores, vSAN, distributed virtual switches, and snapshot management.
Monitoring and Infrastructure Maintenance :
- Lead technical improvement and maintenance projects, including OS and package patching, system upgrades, and capacity expansion planning.
- Provide technical support and knowledge transfer to L1 and L2 Service Desk/Operations teams.
Required Qualifications :
- Minimum of 10+ years of experience in a high-availability IT Operations or Infrastructure role, with a strong focus on systems and networking.
- Windows and Linux Expertise : Deep, hands-on administrative experience in Windows and Linux OS variants, including advanced troubleshooting and system hardening.
- Extensive domain expertise in Active Directory (AD DS), Azure Active Directory / Entra ID, and Microsoft Intune, including hybrid identity architecture and modern endpoint management.
- Proven experience managing enterprise virtualization platforms VMware vSphere/ESXi and/or Microsoft Hyper-V in production environments.
- Demonstrated experience designing and maintaining enterprise backup and disaster recovery solutions, with knowledge of backup tools, replication strategies, and DR testing.
- Hands-on experience managing certificate infrastructure including PKI, internal and public SSL/TLS certificates, and certificate authority management.
- Practical, working knowledge of IaaS, PaaS, and SaaS cloud service models, with strong Azure platform experience.
- Certifications : Microsoft Certifications (e.g., AZ-104, MD-102, SC-300, MS-102), VMware (VCP), CISCO certifications, and RHCSA/RHCE are highly desired.
- Expertise in patching enterprise systems and packages.
- Proven experience installing and configuring enterprise monitoring tools such as Zabbix.
- Strong understanding of network concepts, protocols, and the ability to monitor and troubleshoot network devices.
Desired Skills :
- Advanced Active Directory experience covering multi-domain and multi-forest architectures, AD Federation Services (ADFS), AD sites and services optimization, and schema-level administration.
- Experience with Azure AD (Entra ID) advanced capabilities including Entitlement Management, Access Reviews, Identity Protection, and Privileged Identity Management (PIM) beyond basic administration.
- Familiarity with virtualization platforms (e.g., VMware, Hyper-V).
- Knowledge of backup and disaster recovery systems.
- Familiarity with IT service management (ITSM) frameworks, such as ITIL.
Core Competency Requirements :
- Excellent written and verbal communication skills, suitable for detailed technical documentation and stakeholder updates.
- Must be a self-starter, highly energetic, and a collaborative team player.
- Ability to work across cross-functional teams spanning infrastructure, security, cloud, and service desk disciplines.
- Demonstrated ability to take ownership of complex problems end-to-end, from initial escalation through to permanent resolution and documentation.
Working for us :
- Our strength comes from our diversity of experiences, perspectives, and skills and we thrive when we work together with openness, trust, and respect.
- Here, youll join a group of colleagues who take ownership, solve problems, and focus on making an impact.
- We embrace curiosity, welcome new ideas, and see mistakes as opportunities to learn.
- Youll have the freedom to work flexibly and autonomously, supported by teammates and leaders who are committed to your growth.
- We celebrate the different ways people contribute and encourage everyone from every background to bring their authentic self to work.
- Because when we collaborate, challenge each other, and share what we know, we build something better together.
- If you want to work in a place where your ideas matter, your growth is valued, and your work shapes the spaces people live, work, and play in Come join us.
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