OS and Security Administrators (L2) - CDOT - Delhi

Job Role OS and Security Administrators (L2)

Location - New Delhi Qualification

B.E. /B.Tech /MCA (ECE/IT/CSE) CTC

Experience

Minimum 8 years in the areas defined (Certified Professionals with RHCE/RHCSA certification mandatory with Redhat ) Roles & Responsibilities

Essential job duties include, but are not limited to, the following: Hardware installation of Servers and associated components (hardware and Remote Management Configuration)

OS Installation, Administration, Performance Tuning (RHEL, Windows)

Clustering

Virtualisation (VMWARE, Red Hat KVM etc)

Biometric Integration

Shell Scripting

Framing Backup strategies and configuration (Tape Libraries, Backup Softwares, Snapvault etc.)

Security Framework Design and Configuration

DR Strategies and Implementation

DNS (Master-Slave Configuration, IPv6 and DR planning)

Installation and configuration of JBOSS Application Servers with Load Balancing

LDAP/OpenLDAP installation, Configuration and Schema design

Remote SYSLOG /SYSLOG NG

Skills

Skill Sets: Strong knowledge of Red Hat Enterprise Linux Servers version 8 and 9.

Must have worked on the following areas:

Virtualisation, KVM,

Clustering (High Availability and failover scenarios, load balanced environments

RSyslog

RSync

AIDE

Linux Security (PAM settings, Jailing, IPtables etc.)

RHN Satellite

PTP and NTP configurations

FTP and SFTP Configurations

NFS v3 and v4 configurations

iSCSI and FCP configurations for LUN mapping

Multipathing

Ethernet Bonding (all configurations)

OpenLDAP

IPA

Strong understanding of and ability to create and maintain custom kickstart and yum repositories for RHEL 5.x, 6.x and 7.x (Should have created custom kickstart and yum repositories on both the OS versions mentioned)

Working knowledge of storage environments (SAN, NAS) Should know how to create Aggregate, Volume, LUN, RAID Group and map it to the server)

Strong working knowledge in administering VMware ESX and ESXi Servers, vMotion, vSphere etc.

Thorough understanding of the TCP/IP Suite (TCP, UDP, IP, ICMP, etc.)

Sound knowledge of SNMP v2 and v3

Familiarity with Hadoop, Lustre Cassandra, Hive desirable

Thorough understanding of RPM, rpmbuild and custom package creation and management

Familiarity with DBMS systems such as MySQL and Oracle is a plus

Automation via scripting (Perl, Shell) in BASH, SH and/or KSH. Should have done scripting to solve complex problems.

Should possess knowledge of File System Tuning, Upgrading and Configuring

Should have sound understanding of Disaster Recovery Procedures, File Replication, Troubleshooting and Disaster Recovery

Should have experience in installation and configuration of at least two of the following Backup Softwares

I I. Symantec NetBackup,

II II. Dell NetVault

III III. Commvault

Installation and Configuration of Windows Servers(2003, 2008),

Windows desktop (Windows 10 and 11),

Windows patch management

Desirable Attributes:

Strong knowledge of Red Hat Enterprise Linux Servers version 8 and 9

Strong Knowledge and experience of design and implementation of Openstack[IaaS] and maintaining it.

Knowledge of Docker and Kubernetes to run Containers

Knowledge and experience of Administration/Debugging of various databases (Oracle, Mysql, Postgresql)

Must have worked on the following areas:

Virtualisation, KVM,

Clustering (High Availability and failover scenarios, load balanced environments

RSyslog

RSync

AIDE

Linux Security (PAM settings, Jailing, IPtables etc.)

RHN Satellite version 5 and above

PTP and NTP configurations

FTP and SFTP Configurations

NFS v3 and v4 configurations

iSCSI and FCP configurations for LUN mapping

Multipathing

Ethernet Bonding (all configurations)

OpenLDAP

IPA

Strong understanding of and ability to create and maintain custom kickstart and yum repositories for RHEL 8.x, 9.x (Should have created custom kickstart and yum repositories on both the OS versions mentioned)

Working knowledge of storage environments (SAN, NAS) Should know how to create Aggregate, Volume, LUN, RAID Group and map it to the server)

Strong working knowledge in administering VMware ESX and ESXi Servers, vMotion, vSphere etc.

Thorough understanding of the TCP/IP Suite (TCP, UDP, IP, ICMP, etc.)

Sound knowledge of SNMP v2 and v3

Familiarity with Hadoop, Lustre Cassandra, Hive desirable

Thorough understanding of RPM, rpmbuild and custom package creation and management

Familiarity with DBMS systems such as MySQL and Oracle is a plus

Automation via scripting (Perl, Shell) in BASH, SH and/or KSH. Should have done scripting to solve complex problems.

Should possess knowledge of File System Tuning, Upgrading and Configuring

Should have sound understanding of Disaster Recovery Procedures, File Replication, Troubleshooting and Disaster Recovery

Should have experience in installation and configuration of at least two of the following Backup Softwares

I IV. Symantec NetBackup,

II V. Dell NetVault

III VI. Commvault

Installation and Configuration of Windows Servers(2019 and above),

Windows desktop (Windows 10 and 11),

Windows patch management

Ability to configure/manage Kubernetes clusters on public cloud and on-prim environment.

Ability to work independently. Work within well-defined system support to ensure priorities faults to meet SLA/WLA.

An understanding of Cloud Architecture and Kubernetes platform.