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Senior System Administrator – L3
permanent,
at Marktine Technology Solutions Pvt. Ltd.
Posted by Rekha Kumari
Experience6 - 10 Years
SalaryNot Disclosed
Job TypeFull Time
LocationJaipur, Banglore ( On Premises )
2 hours ago
Job Highlights
We are looking for an experienced Senior System Administrator with 6+ years of hands-on experience in IT infrastructure and system administration.
The candidate will be responsible for managing, maintaining, monitoring, troubleshooting, and securing enterprise infrastructure across Windows Server, Active Directory, Microsoft 365, Azure, Intune, virtualization, backup, security, and IT operations.
Job Description
Key Responsibilities
- Administer and troubleshoot Windows Server and Linux environments.
- Manage server roles, services, processes, storage, permissions, and system performance.
- Configure and manage Active Directory, Group Policy, DNS, DHCP, and domain services.
- Manage user accounts, groups, permissions, authentication, and access.
- Troubleshoot server performance, availability, application, and OS-related issues.
- Perform operating system patching, upgrades, and maintenance.
- Monitor server health, CPU, memory, disk, services, and system logs.
- Perform server installation, configuration, migration, and decommissioning activities.
- Troubleshoot server-client connectivity and application-related issues.
- Strong hands-on experience with Active Directory administration.
- Troubleshoot AD replication, authentication, login, DNS, and Group Policy issues.
- Working knowledge of Microsoft Entra ID / Azure AD.
- Support hybrid identity environments involving Active Directory and Entra ID.
- Manage identity and access-related issues.
- Working knowledge of MFA, Conditional Access, SSO, and identity security.
- Administer and troubleshoot Microsoft 365 environments.
- Troubleshoot user authentication, mailbox, email delivery, permissions, licensing, and Microsoft 365 service issues.
- Support hybrid on-premises and cloud environments.
- Troubleshoot cloud connectivity, authentication, compute, storage, and access issues.
- Monitor Azure resources and identify performance or availability issues.
- Assist with cloud migration and infrastructure improvement projects.
- Manage and troubleshoot enterprise virtualization environments.
- Troubleshoot VM connectivity, resource utilization, storage, and performance issues.
- Manage and monitor enterprise backup solutions.
- Perform backup configuration, monitoring, restore, and recovery activities.
- Perform Root Cause Analysis (RCA) for major incidents.
- Identify recurring issues and recommend permanent corrective actions.
- Work with vendors and internal teams to resolve complex issues.
- Use PowerShell for system administration and automation.
Technical Skills
- Windows Server | Active Directory | Group Policy | DNS | DHCP | File Services | Windows Services | Server Monitoring | Patch Management | Server Hardening | Microsoft 365 | Exchange Online | Teams | SharePoint Online | OneDrive | Microsoft 365 Admin Center | Microsoft Entra ID / Azure AD | Active Directory | MFA | Conditional Access | SSO | RBAC | Authentication | Authorization | Microsoft Intune | Device Enrollment | Configuration Profiles | Compliance Policies | Application Deployment | Windows Update | Endpoint Security | Windows Autopilot | VMware | Hyper-V | Nutanix | VirtualBox | VM Provisioning | Snapshots | VM Migration | Resource Management
Qualifications
- Bachelor’s degree in computer science, Information Technology, Computer Engineering, or a related technical field, or equivalent industry experience.
Key Skills
hybrid identity environments
cloud environments
windows server administration
linux administration
server roles management
server services management
process management
storage management
permissions management
system performance monitoring
active directory configuration
group policy configuration
dns configuration
dhcp configuration
domain services management
user account management
group management
authentication management
access management
server performance troubleshooting
server availability troubleshooting
application troubleshooting
operating system troubleshooting
operating system patching
operating system upgrades
operating system maintenance
server health monitoring
cpu monitoring
memory monitoring
disk monitoring
services monitoring
system logs monitoring
server installation
server configuration
server migration
server decommissioning
server-client connectivity troubleshooting
ad replication troubleshooting
ad authentication troubleshooting
ad login troubleshooting
group policy troubleshooting
hybrid identity support
identity and access issue management
microsoft 365 administration
user authentication troubleshooting
mailbox troubleshooting
email delivery troubleshooting
permissions troubleshooting
licensing troubleshooting
microsoft 365 service issue troubleshooting
cloud connectivity troubleshooting
cloud authentication troubleshooting
cloud compute troubleshooting
cloud storage troubleshooting
cloud access troubleshooting
azure resource monitoring
cloud performance issue identification
cloud availability issue identification
cloud migration assistance
infrastructure improvement projects
enterprise virtualization management
vm connectivity troubleshooting
resource utilization troubleshooting
storage troubleshooting
performance troubleshooting
enterprise backup solutions management
backup configuration
backup monitoring
backup restore
backup recovery
root cause analysis for major incidents
recurring issue identification
corrective action recommendation
system administration automation
windows server
linux
active directory
group policy
dns
dhcp
microsoft entra id
azure ad
microsoft 365
exchange online
teams
sharepoint online
onedrive
microsoft 365 admin center
mfa
conditional access
sso
rbac
microsoft intune
windows update
endpoint security
windows autopilot
vmware
hyper-v
nutanix
virtualbox
powershell
root cause analysis