Note: The job is a remote job and is open to candidates in USA. Cognizant is seeking an experienced Infra Technology Specialist with strong expertise in Windows Server administration, Active Directory, and virtualization. The role involves managing enterprise server environments, ensuring system stability, security compliance, and supporting L3-level escalation activities.
Responsibilities
- Administer and support Windows Server environments (2012/2016/2019/2022) including installation, configuration, migration, and upgrades
- Manage Active Directory infrastructure, including domain controllers, replication, Group Policies, and DNS/DHCP services
- Perform Active Directory recovery operations and maintain AD health including replication and failover readiness
- Administer and troubleshoot Microsoft Hyper-V environments (VM provisioning, virtual networking, replication, and performance tuning)
- Implement and maintain system security, including patching, antivirus tools, and vulnerability remediation
- Manage enterprise services such as DFS, Print Services, AD Certificate Services, and File Servers
- Monitor infrastructure performance, troubleshoot complex issues, and ensure availability, reliability, and SLA adherence
- Execute backup, disaster recovery, and business continuity strategies across the environment
- Conduct hardware and OS troubleshooting across enterprise-grade infrastructure (Dell/HP/Cisco UCS)
- Maintain detailed technical documentation, SOPs, and contribute to process improvements and automation initiatives
Skills
- 7+ years of experience in Windows System Administration (L3 Support)
- Strong expertise in Active Directory, Group Policy, DNS, DHCP
- Strong expertise in Windows Server (2016/2019/2022/2025)
- Strong expertise in Hyper-V (mandatory) – administration, troubleshooting, and performance optimization
- Experience with AD Domain Controller replication and recovery
- Experience with File & Print Server management
- Experience with Windows Security and patch management
- Experience with Backup and disaster recovery solutions
- Hands-on experience with OEM hardware (Dell / HP / Cisco UCS)
- Hands-on experience with Multiple patching and antivirus tools
- Hands-on experience with Windows registry configuration and troubleshooting
- Strong knowledge of System monitoring and performance tuning
- Strong knowledge of Incident, problem, and change management processes
- Proven ability to troubleshoot Server performance issues
- Proven ability to troubleshoot Security vulnerabilities
- Proven ability to troubleshoot Virtualization-related failures
- Strong analytical, problem-solving, and communication skills
- The associate will be supporting critical Energy sector projects requiring security clearance
- Must be physically residing in the United States and eligible for security clearance
- Willingness to undergo security clearance process, including background verification, drug testing, and related checks
- Experience with VMware (ESXi, vCenter) or other virtualization platforms (Nutanix)
- Exposure to cloud infrastructure monitoring and troubleshooting
- Knowledge of Linux patching (Ubuntu / RHEL)
- Experience working in multi-tenant environments
- Familiarity with enterprise ticketing tools and SLA-driven operations
Benefits
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
- Flexibility wherever possible
- Various wellbeing programs
Company Overview