Linux Administrator-Chennai-F2F Interview - 14th-Aug

Greetings from NAM Info Private Limited

Job Description :

Linux System Administrator

Job Title: Linux System Administrator

Experience: 4–6 Years

Location: Olympus STP – IT, Mumbai

Employment Type: Full-Time

Job Summary

We are looking for an experienced Linux System Administrator with strong knowledge of Unix/Linux operating systems, server administration, system monitoring, troubleshooting, and performance optimization. The candidate will be responsible for maintaining Linux server infrastructure, ensuring system availability, security, and optimal performance.

Key Responsibilities

• Install, configure, and maintain Linux servers, including RHEL, CentOS, Ubuntu, and SUSE.
• Manage system boot processes, kernel parameters, services, and package updates.
• Perform server hardening and regularly apply security patches.
• Monitor server health, performance, and availability using tools such as Nagios, Zabbix, Grafana, Prometheus, or ELK.
• Perform proactive performance tuning and capacity management.
• Troubleshoot Linux system errors, crashes, and performance bottlenecks.
• Ensure high availability, system uptime, and operational stability.
• Execute routine system maintenance and support infrastructure operations.
• Maintain system documentation and follow IT operational procedures.

Mandatory Skills

• Strong Unix/Linux fundamentals and command-line proficiency.
• Hands-on Linux System Administration experience.
• Experience with RHEL, CentOS, Ubuntu, or SUSE.
• Knowledge of system boot processes, kernel parameters, and package management.
• Experience in server hardening and security patching.
• Linux troubleshooting and performance monitoring.

Preferred Skills

• Monitoring tools: Nagios, Zabbix, Grafana, Prometheus, or ELK.
• Shell scripting and automation.
• Knowledge of system performance tuning and infrastructure monitoring.

Candidate Profile

• 4–6 years of relevant experience in Linux/Unix System Administration.
• Strong troubleshooting and analytical skills.
• Good communication and coordination skills.
• Ability to work independently and support critical infrastructure operations.

Job Description:

Mandatory Skills: Linux Administration, Production Support, Database Support, and Monitoring & Observability, with exposure to Cloud and Automation.

Primary Skills: Linux Administration, Production Support

Secondary Skills: Oracle SQL, Splunk, Grafana, AppDynamics, Cloud (OCP/AWS/Azure/GCP), Incident Management, AI/Automation (Good to have)

Job Summary

We are looking for an experienced Server Engineer with hands-on expertise in Linux, Bash scripting, networking, and enterprise server hardware. The candidate should have experience with server management platforms, monitoring protocols, and basic storage and virtualization technologies.

Mandatory Skills

• Hands-on experience with Linux and Bash scripting.
• Experience with enterprise server hardware and management platforms such as Lenovo XClarity/LXCA, HPE OneView/iLO, Dell OpenManage Enterprise, or Cisco UCS Manager.
• Scripting skills in Bash, PowerShell, or similar tools.
• Server monitoring experience with SNMP, IPMI, Redfish API, or CIM.
• Networking fundamentals, including TCP/IP, switching, routing, and monitoring.
• Storage fundamentals, including FC/FCoE, iSCSI, DAS, and storage drives.
• Knowledge of virtualization fundamentals.

Senior System Administrator

Location: Chennai

Experience: 10+ Years

Job Summary

We are looking for a skilled Senior System Administrator to manage and maintain enterprise infrastructure across Windows Server, VMware virtualization, and enterprise storage environments. The role will be responsible for ensuring high availability, performance, security, and reliability of IT infrastructure supporting business operations.

Key Responsibilities

Windows Server Administration

• Install, configure, maintain and troubleshoot Windows Server environments.
• Administer Active Directory, Group Policy, DNS, DHCP and File Services.
• Resolve server-related incidents and access issues.

VMware Administration

• Manage VMware vSphere, ESXi and vCenter environments.
• Perform VM migrations using vMotion.
• Manage snapshots and optimize VM resources.

Storage Administration

• Manage enterprise SAN/NAS storage environments.
• Work with storage platforms such as Dell EMC, NetApp, HPE or equivalent.
• Configure and manage LUNs, RAID, storage allocation and replication.
• Monitor storage performance and capacity.
• Support storage integration with backup environments.

Compliance & IT Operations

• Ensure infrastructure adherence to IT security policies and organizational standards.
• Support internal/external audits and compliance requirements, including ISO/SOX where applicable.
• Maintain infrastructure documentation, configurations and change records.
• Ensure patch compliance and vulnerability remediation.
• Support IT governance and implementation of standard operating procedures.

Required Skills

• Strong hands-on experience in Windows Server Administration.
• Good experience with Active Directory, Group Policy, DNS and DHCP.
• Hands-on experience with VMware vSphere, ESXi and vCenter.
• Practical knowledge of vMotion, VM snapshots and resource management.
• Experience with SAN/NAS storage administration.
• Knowledge of LUN, RAID, storage allocation and replication.
• Experience with infrastructure patching and vulnerability remediation.
• Good troubleshooting and incident-resolution skills.
• Good communication and documentation skills.
• Exposure to Linux administration.

Education & Experience

• Bachelor's degree in Computer Science, Information Technology, Electronics or related field; B.Tech/B.E/BCA/MCA or equivalent preferred.
• 10+ years of relevant infrastructure/system administration experience.

Good to Have

• Microsoft MCSA / MCSE / AZ-800 / AZ-801
• VMware VCP – Data Center Virtualization
• Dell EMC / NetApp / HPE Storage certifications
• ITIL Foundation

Key Technologies

Windows Server | Active Directory | GPO | DNS | DHCP | VMware | ESXi | vCenter | vSphere | vMotion | SAN | NAS | Dell EMC | NetApp | HPE Storage | LUN | RAID | Replication | Linux | Patch Management | Vulnerability Management

Job Description

Position Title: System Administrator

Employment Type: Full-Time, Permanent

Department: Research and Development

Reports To: R&D Manager, India Development Centre

Work from Office; No Remote; No Hybrid

About the Company

We are a software product and solutions company that builds mission-critical platforms used in regulated industries such as life sciences, biotech research, public health, and government compliance. Our systems are used to manage workflows, audits, research approvals, data security, compliance, and more—helping institutions reduce risk, increase transparency, and advance human well-being.

Our product line includes dynamic form engines, workflow automation, rules engines, analytics, AI/ML integrations, and user-centric digital tools for a global customer base.

Job Summary

We are looking for a skilled Windows & Linux System Administrator / Desktop Engineer responsible for managing, maintaining, monitoring, and troubleshooting the organization's IT infrastructure, including Windows and Linux servers, desktops, laptops, networks, applications, and end-user systems.

The role requires a combination of system administration, desktop support, troubleshooting, security, user management, and infrastructure monitoring. The candidate should be comfortable working independently, resolving technical issues, and providing timely support to employees.

Key Responsibilities

• Install, configure, maintain, and troubleshoot Windows and Linux servers.
• Manage Active Directory, DNS, DHCP, Group Policies, users, and access permissions.
• Perform server monitoring, patching, updates, backup checks, and basic security administration.
• Provide desktop and laptop support, including OS, software, hardware, printer, email, VPN, and connectivity troubleshooting.
• Troubleshoot basic LAN, Wi-Fi, TCP/IP, DNS, and VPN issues.
• Manage employee IT setup, onboarding/offboarding, and IT asset allocation.
• Monitor antivirus/endpoint security and ensure systems are updated and secure.
• Maintain IT inventory, system documentation, and helpdesk/ticket records.
• Coordinate with vendors and escalate infrastructure issues when required.
• Support virtualization, cloud, backup, and disaster-recovery activities as needed.

Required Skills

• Windows 10/11, Windows Server, Active Directory, DNS, DHCP, Group Policy
• Linux (Ubuntu/RHEL/CentOS) and basic Shell scripting
• Desktop/laptop hardware and software troubleshooting
• Basic networking: TCP/IP, LAN, Wi-Fi, VPN
• Backup, patch management, antivirus, and system monitoring
• Good troubleshooting, communication, and documentation skills
• Qualification
• Bachelor's degree/Diploma in Computer Science, IT, Electronics, or a related field.
• Preferred
• Exposure to VMware/Hyper-V, AWS/Azure, PowerShell/Bash, and IT helpdesk/ticketing tools.

Very strong infra engineer to administer Linux based VMs (and few Windows VMs as well).

Must have strong knowledge and hands-on on docker, Kubernetes

Must be good at monitoring (AppDynamics, Prometheus, Grafana) and logging (Splunk)

Develop automation scripts using Shell and Python. Must have good knowledge in Ansible.

Should be good at optimize/finetune server configurations.

 Should be good in troubleshoot issues and fix them.

•     Vista Plus Development & Engineering

•     Shell Scripting

•     Application installation and upgrade in Linux environments (added advantage)

•     File System Management

•     Incident, Change, and Problem Management (ITIL)

•     Basic Oracle / Database concepts

•     Production Support and Health Check Monitoring

•     Documentation and Operational Governance

Job Description

We are looking for a Windows Administrator with strong hands-on experience in Windows Server administration, upgrades, patching, vulnerability remediation, and troubleshooting.

Key Responsibilities

• Perform Windows Server administration, upgrades, and patching.
• Plan and execute OS upgrades, security patches, and hotfixes.
• Identify and remediate Windows vulnerabilities and security issues.
• Troubleshoot server, OS, application, and performance-related issues.
• Monitor CPU, memory, disk, services, and overall server health.
• Perform incident management and root-cause analysis.
• Manage Active Directory, DNS, DHCP, and Group Policy.
• Support VMware / Hyper-V virtualized environments.
• Automate administrative and remediation activities using PowerShell.
• Coordinate with security, application, network, and cloud teams.
• Maintain system documentation and ensure compliance with operational standards.

Primary Skills

• Windows Server Administration
• Windows Upgrades & Patching
• Vulnerability Remediation
• Troubleshooting & RCA
• Active Directory
• DNS / DHCP / Group Policy
• PowerShell
• VMware / Hyper-V

Experience Required: 2–3 Years

Employment Type: Full-time

Location: Delhi

Department: IT / Infrastructure & Data Center Operations

About the Role

We are looking for a skilled Wintel Administrator (L2) with 2–3 years of hands-on experience to manage and support our data center infrastructure, which includes a virtualized VMware environment, physical servers, database servers, and network/security appliances across LAN and DMZ zones. The ideal candidate will handle day-to-day server administration, virtualization management, backups, monitoring, and L2-level troubleshooting, while working closely with the infrastructure team on ongoing projects.

Key Responsibilities

·     Manage and maintain Active Directory, File Server, Web Server (IIS, Apache, Nginx), and Application Servers

·     Administer and support VMware ESXi hosts and vCenter (multi-host, multi-cluster environment) — VM provisioning, migration, snapshots, and resource allocation

·     Manage physical server hardware (Dell PowerEdge, HP ProLiant) including out-of-band management via iDRAC

·     Install, configure, troubleshoot, and back up database servers — MS-SQL, MySQL, MongoDB

·     Manage server backups and vReplication for disaster recovery of critical VMs and databases

·     Support and maintain monitoring tools (e.g., Zabbix) to track server/host performance, uptime, and alerts

·     Install and configure new Windows, Linux, and desktop systems

·     Install and troubleshoot Windows/Linux applications and software (VB, C#, .NET, Node.js-based apps, etc.)

·     Support DMZ and LAN zone server management, coordinating with network/security team on firewall, load balancer, and VPN (Site-to-Site) configurations

·     Assist with basic public cloud tasks (AWS) where hybrid/DR connectivity is involved

·     Manage and troubleshoot LAN/DMZ switches, WAN links, and connectivity issues at a basic level

·     Assist with patch management, deployment, and server/firmware upgrades

·     Monitor and maintain server performance, availability, and health across physical and virtual infrastructure

·     Respond to and resolve end-user issues escalated from Desktop Support (L1)

·     Maintain accurate documentation of server inventory, IP allocations, configurations, and network diagrams

·     Work on ongoing IT infrastructure projects as assigned

Required Skills & Qualifications

·     B.Tech or equivalent degree in Computer Science, IT, or related field

·     Minimum 2–3 years of hands-on experience as a Windows/Wintel Administrator

·     Strong working knowledge of Windows Server administration (2012/2016/2019/2022)

·     Hands-on experience with VMware ESXi and vCenter administration (multi-vCenter environment preferred)

·     Experience with physical server hardware management — Dell PowerEdge / HP ProLiant, iDRAC/ILO remote management

·     Hands-on experience with IIS, Apache, or Nginx web server management

·     Experience with MySQL, MS-SQL, and MongoDB — installation, configuration, troubleshooting, and backup

·     Good understanding of Active Directory, DNS, DHCP, and Group Policy

·     Working knowledge of firewall, load balancer, and basic network/VPN concepts (Site-to-Site VPN, WAN, DMZ)

·     Experience with server/VM backup and replication solutions for disaster recovery

·     Exposure to monitoring tools such as Zabbix or similar

·     Basic exposure to cloud platforms (AWS) for hybrid/DR connectivity

·     Familiarity with installing and troubleshooting applications like VB, C#, .NET

·     Ability to troubleshoot server hardware, OS-level (Windows/Linux), and virtualization issues

·     Experience with patch management and firmware/server upgrade cycles

Soft Skills

·     Strong troubleshooting and analytical skills

·     Good communication skills to coordinate with end users, network team, and cross-functional teams

·     Ability to work independently as well as escalate/collaborate with L3 when required

·     Willingness to work on-call/rotational shifts if required

·     Detail-oriented with a proactive approach to server monitoring, backups, and uptime management

Hiring: Denodo Administrator

Location: Bangalore / pune / Hyderabad💼

Experience: 7+ Years

Key Skills:

• Denodo Administration & Data Virtualization
• Linux/Unix Administration
• SQL Performance Tuning
• Oracle / SQL Server / DB2
• LDAP / AD / Kerberos / SSO
• Shell Scripting / Python
• AWS / Azure

🔹 Experience in Denodo platform administration, production support, performance tuning, security, deployment, and environment management.