– B. Tech / B.E/ MCA/MSc with at-least 5 years of experience as a System Administrator on a Large / medium sized network of servers, desktop systems and communications devices using current technologies in high availability environment.
– Preferably a System Administration Certification Microsoft/Cisco/Any Other
– Effective provisioning, installation/configuration, operation, and maintenance of systems, hardware and software and related infrastructure
– Configuration of server parameters, operating systems administration and tuning
– Operating System administration including but not limited to management of users, processes, resource contention, preventive maintenance and management of upgrades including migration to higher versions and patches to ensure that the system is properly updated.
– Monitoring of various devices / tools such as firewall, intrusion detection, content filtering and blocking, virus protection, and vulnerability protection through implementation of proper patches and rules.
– Root domain administration by creating the root and subdomains and setting the root level security policies such as authentication mechanisms (single/multi actor), password policies such as password length, password complexity, password expiry, account lockout policy, certificate policies, IPSEC policies etc.
– Periodic reviews of domain level rights and privileges.
– Maintenance of an updated knowledge base of all the published security vulnerabilities and virus threats for related software and microcode, including, but not limited to, operating systems, application servers, web servers, databases, security solutions, messaging solutions, etc.
– Ensuring that patches / workarounds for identified vulnerabilities are patched / blocked immediately.
– Responding to security breaches or other security incidents and coordinate with respective OEM in case of a new threat is observed to ensure that workaround / patch is made available for the same.
– Undertake maintenance and management of security devices, including, but not limited to maintaining firewall services to restrict network protocols and traffic, detecting intrusions or unauthorized access to networks, systems, services, applications or data, protecting email gateways, firewalls, servers, desktops from viruses.
– Implementation and periodic updation of the security policy
– End-to-end management of messaging systems, including, but not limited to:
o Administration of mail servers
o Monitoring performance and management of user account, mail boxes, post office and address book.
o Backup and archival management. Transaction log management.
o Implementation of mail policies, including, user security, access control, encryption, mail box sizes, mail sizes, spam, content filtering, etc.
o Management and monitoring mail queues, mail routing of incoming and outgoing Internet mail.
– Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups, monitoring CPU, disk space, memory utilization, I/O utilization, etc.
– Perform daily backup operations, ensuring all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site as necessary.
– Upgrade administrative tools and utilities.
– Configure / add new services as necessary.
– Adhere to and champion the ITIL based principles established for problem, change and asset management. Effectively utilize the System Management tools available to support the principles.
– Fulfil service level agreements, with respect to availability, performance, capacity, and security and suggest future requirements to maintain acceptable performance levels and accommodate traffic growth.
– Re-installation in the event of system crash/failures.
– Periodic health check of the systems, troubleshooting problems, analyzing and implementing rectification measures. Coordinate and communicate with impacted constituencies.
– Prepare & update inventory of all hardware and software resources.
Job Type: Regular / Permanent
Schedule:
Ability to commute/relocate:
Education:
Experience:
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+91 8851207154