Hadoop Admin Lead

Role Overview

We are looking for a skilled Systems Engineer with strong expertise in Ansible automation, Kubernetes, and system-level scripting. This role focuses on building scalable automation and managing GPU-aware infrastructure.

Key Responsibilities

• Develop and maintain automation workflows using Ansible
• Write and optimize Ansible playbooks for infrastructure and application deployment
• Automate system-level tasks using Bash scripting
• Debug and test automation workflows for reliability and scalability
• Manage Kubernetes clusters, including:
• Pod lifecycle management
• Networking and firewall configurations
• GPU resource mapping and scheduling
• Custom Resource Definitions (CRDs)
• Collaborate with engineering teams to integrate automation into CI/CD pipelines
• Ensure secure and scalable infrastructure for AI workloads

Requirements

• Strong hands-on experience with Ansible and automation workflows
• Solid Linux system administration experience
• Proficiency in Bash scripting
• Deep understanding of Kubernetes (pods, networking, CRDs, GPU scheduling)
• Experience in debugging and optimizing automation systems
• Strong problem-solving and ownership mindset

Nice to Have

• Experience with GPU workloads or HPC environments
• Exposure to monitoring tools like Prometheus and Grafana

Job Summary

We are seeking an experienced Senior System Administrator responsible for managing and maintaining the organisation’s IT infrastructure, including Windows and Linux servers, network devices, security systems, storage solutions, and enterprise applications. The role ensures high availability, security, and performance of all IT systems while supporting business operations.

Key Responsibilities

Server Administration

• Install, configure, and maintain Windows Server environments (Active Directory, DNS, DHCP, Group Policy).
• Manage and maintain Linux machines for application hosting and system services.
• Administer and maintain Application Servers supporting internal business applications.
• Manage and maintain Biometric Servers used for employee attendance and access control systems.
• Monitor server health, performance, and system logs.
• Perform system updates, patches, and security hardening.

Storage and File Services

• Manage and maintain Samba File Servers for shared storage and user access.
• Administer NAS storage systems (Synology), including storage allocation, access permissions, and performance monitoring.
• Ensure proper storage utilisation and secure data access.

Network Infrastructure Management

• Configure and manage Sophos Firewall, including firewall rules, NAT policies, VPN configuration, and threat protection.
• Configure and maintain Cisco and Netgear switches, including VLAN configuration and network segmentation.
• Manage and maintain wireless access points to ensure reliable and secure Wi-Fi connectivity.
• Monitor network performance and troubleshoot connectivity issues.

Proxy and Security Management

• Install, configure, and maintain Proxy Servers for internet access control and monitoring.
• Monitor firewall logs, network security alerts, and implement security policies.
• Ensure network infrastructure is protected against unauthorised access and threats.

Backup and Disaster Recovery

• Implement and manage backup and restore solutions for servers, NAS, and critical business data.
• Perform periodic backup verification and disaster recovery testing.
• Ensure backup policies and schedules are properly maintained.

Power and Infrastructure Management

• Monitor and maintain UPS systems to ensure an uninterrupted power supply for servers and network infrastructure.
• Coordinate with vendors for UPS maintenance, battery replacement, and power infrastructure reliability.

System Monitoring and Troubleshooting

• Proactively monitor servers, network devices, storage systems, and applications.
• Troubleshoot and resolve system, network, and application-related issues.
• Maintain proper documentation of infrastructure configurations and procedures.

Vendor and Infrastructure Coordination

• Coordinate with vendors for hardware procurement, infrastructure support, and service management.
• Plan and implement infrastructure upgrades and improvements.

Required Skills

• Strong experience with Windows Server Administration
• Good knowledge of Linux System Management
• Experience with Sophos Firewall
• Knowledge of Cisco and Netgear networking devices
• Experience with NAS storage (Synology) and Samba File Server
• Experience managing Application Servers and Biometric Systems
• Experience with Backup and Disaster Recovery
• Understanding of network security and monitoring

Job Title: Linux Project Administrator (RHEL)

Experience: 8-12 Years

Location: Pan India

Open Positions: 1

Role Overview

We are looking for an experienced RHEL Linux Administrator to manage and support enterprise Linux environments. The candidate should have strong hands-on expertise in system administration, patch management, automation, and performance tuning. This role requires proactive monitoring, troubleshooting, and ensuring high availability of Linux platforms.

Must-Have Technical Skills

1. Red Hat Enterprise Linux (RHEL) & Solaris – In-depth Knowledge

Strong understanding of Linux system internals, kernel tuning, boot process, file systems, and performance monitoring. Ability to analyze logs and troubleshoot complex OS-level issues.

2. Patching Using Red Hat Satellite

Hands-on experience in managing repositories, content views, lifecycle environments, and performing patching activities through Satellite. Knowledge of repo sync and package management processes.

3. Ansible Automation

Experience in creating and executing Ansible playbooks for configuration management, patching, and user management. Ability to perform pre- and post-validation checks and automate routine administrative tasks.

4. Scripting Knowledge

Proficiency in Shell scripting or similar scripting languages to automate system administration tasks and operational processes.

5. Performance Monitoring & System Optimization

Experience in identifying performance bottlenecks and implementing tuning measures to ensure system stability and efficiency.

Good-to-Have Skills

1. GitHub / Subversion / TeamCity

Working knowledge of version control systems and CI/CD tools for automation and deployment workflows.

2. NFS & CIFS

Experience in configuring and troubleshooting network file systems and shared storage environments.

3. Networking, Storage & Virtualization

Good understanding of networking layers, storage concepts, database connectivity, and virtualization platforms.

4. AWX

Exposure to AWX for managing and scheduling Ansible automation workflows.

5. CI/CD & Automation Concepts

Understanding of automation frameworks, pipeline concepts, and DevOps practices.

Key Responsibilities

• Ensure all tickets are addressed and updated within SLA in the ticketing tool.
• Participate in team rotation and support activities.
• Maintain Linux platforms in a highly available, secure, reliable, and performant state.
• Identify performance improvement opportunities and implement enhancements.
• Provide technical support to application and development teams.
• 
  

System Administrator : Linux : L3

Job Description

• Degree BE/B.Tech/MCA in IT/Computer Science/ Electronics & Communication/Electronics or higher with Red hat Certified Engineer (RHCE)/Microsoft
• Certified Server Administrator (MCSA).
• Total 7 - 10 years of experience Server Administration.
• Good exposure to Server administration and Basic Networking skills
• Management of Enterprise level servers (Linux/Windows).
• Engineer should have expertise in areas Like trouble shooting and handling of various Server level issues.
• The engineer must provide support in patch management/security operations.
• Hands-on experience on troubleshooting server-side Network related issue in coordination with network team
• Cluster configuration, monitoring & troubleshooting

Technology Knowledge Areas -

• RedHat Linux
• VMWare
• Windows Server 2008/2012/2016/2019 and latest, Powershell, HCIS and
• Virtualization
• Storage Backup
• Virtualization Technology & VMWare Private Cloud
• Cloud Computing
• Schedulers, Cron Jobs, Transaction logging Annexure to RFP No. 8944 Scope of Work
• NSEIL
• Active Directory & Domain Knowledge
• TCP/IP Connection
• DR & BCP
• HCIS, Powershell/Public Cloud/Scripting
• Knowledge of Server Hardware is required (HP, DELL, CISCO UCS etc.,)
• Knowledge in multiple OS Windows/Linux
• Performance Management, Optimization and Capacity Planning
• Understanding, Monitoring of Storage and Cluster
• Understanding of Networks and DNS
• Escalation Management (Internal, within NSEIL and with OEM) and Good communication skills

What will you do?

• Oversees testing, deployment & maintenance of the Voice infrastructure.
• Performing a variety of tasks associated with user provisioning and call routing within the assigned platform 
• Build loaders for internal systems ensuring tasks are completed accurately and in a timely manner
• Participate in meetings with clients and internal departments to understand the requirements of call routing
• Document and design call flow diagrams to ensure that all call variables have been accounted for in preparing a routing plan
• Support the clients solution by correcting any issues with call routing or provisioning during the initial implementation phase, constantly communicating status of any issues with client
• Complete testing to ensure that call flow is operating properly
• Monitors and ensures compliance to standards, policies, and procedures

What are we looking for?

• 0.6~2 year’s implementation experience in Asterisk PBX, IP Telephony, SIP.
• Able to thrive in a demanding and team-oriented environment
• Basic and strong knowledge of the Linux operating system.
• Knowledge of bash and perl shell scripting is an added advantage.
• RHCE Certification is an added advantage.

Job Title:

Telephony Engineer

Job Description:

- Support the operations team with debugging issues related to the telephony platform

- Identify issues with calls using monitoring and analysis tools such as VoIPMOnitor

- Write scripts to automate tasks, monitor the services and functionalities

- Contribute to the improvement of the system by providing ideas

- Help with capacity planning

- Perform the scheduled maintenance activities

- Modify the existing code to accommodate new features

Experience Range:

3- 6 years

Educational Qualifications:

Any graduation,

Job Responsibilities:

  • Knowledge of open source technologies, VoIP, SIP, WebRTC etc.

  • Shell scripting.

  • Experience in Asterisk and Kamailio or OpenSIPS.

  • C/C++ or JS programming with Linux.

  • 5-8 years experience.

  • Good communication skills.

  • Willingness to work in the night, whenever required, for handling support related issues.

Skills Required:

ViOP, OpenSIPS, SIP, Shell Scripting, Asterisk, kamailio, C++, Linux, Development,

• Perform technical feasibility studies of new technologies and architectures, including evaluation of OTS cloud offering.
• Generate entire software image for the target device, including the kernel, device drivers, libraries, and application software, and the bootloader for proprietary IOT connectivity device(s).
• Software packaging with RPM building and management
• Define the process to upgrade the new Linux package to existing hardware at customer premises
• Configuration and Troubleshoot of the proprietary IOT connectivity devices for internal R&D teams during their development and verification
• Automate the creation and distribution of keys and certificates
• Understand, implement, and automate security controls for IoT connectivity devices.
• Tune server and application-level performance monitoring and alerting.
• Help define our roadmap and architecture based on technology and business needs, considering architectural issues and tradeoffs
• Understand and manage integration points with other systems that interface with your applications
• Supports development of project plans, including scope, budget, schedules, and risk management.
• Works closely with the business analysts, software development and verification team, the functional manager, and the program manager.
• Collaborate and work with global teams in multiple locations.
• Interface with Global Privacy and Security team for the IoT Gateway understand security risks and recommendations and provide solutions to mitigate the security risks

• Bachelor’s degree in Computer Networking / Computer Science / Software Engineering or a related field
• 12+ years of hands-on experience in Networking, shell scripting, and Linux internals, with a development background.
• Strong understanding of Networking concepts like VPC, Route tables, Host base router firewall, SSH, NAT, DNS, DHCP, SNMP, Virtual IPs, VPN
• Linux System Administration and Networking work experience
• Configuring Firewalls(IP tables/firewall) and security software
• Able to generate Linux packages, and configure based on business needs.
• Passion for cybersecurity. Ability to build secured Linux packages with antivirus and security patches.
• Shell, Python scripting experience
• Basic SQL skills
• Ability to work with cross-functional and remote teams. Must be able to communicate in English, both written and verbal.
• Interpersonal skills to effectively collaborate with vendors and customers.

• Experience with Agile Scrum
• Development background in Java/C++
• DevOps knowledge
• Knowledge on javascript