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Linux Admin Specialist

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Plusnet

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Location:
India , Kolkata

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

The role holder is a 3rd Line IT Cloud & Infrastructure engineer, providing support and delivery of infrastructure in Enterprise Managed Services (EMS). They should be an innovative, engaging, driven individual who has a proven record of achievement and experience in collaborating across teams of highly skilled technical experts.

Job Responsibility:

  • 3rd line support to underpin the shared services support model
  • Consultancy to internal and external customers
  • Design assurance
  • Maintain existing skills in-line with BMS Service Catalogue and portfolio
  • Training & knowledge sharing with internal support teams
  • Delivering successful technical resolutions to complex customer issues escalated by 2nd line support teams within agreed Service Level Agreements (SLA)
  • Provide Level 3 support for Linux servers across production and non-production environments
  • Manage and maintain Linux distributions (e.g., RHEL, CentOS, Ubuntu, SUSE)
  • Troubleshoot and resolve advanced issues related to kernel, networking, storage, and performance tuning
  • Perform patching, upgrades, and security hardening of Linux systems
  • Implement automation scripts using Shell scripting, Python, or Ansible for operational efficiency
  • Share technical knowledge across BMS through Continuous Improvement processes and coaching
  • Provide support to Service Design / Introduction for existing and new contracts
  • Keep abreast of changes to existing, emerging and new technologies to meet business and customer objectives
  • Implementing solutions in a timely manner to ensure service level agreements are met (typically 2 hours)
  • Engage and escalate complex issues with 3rd party vendors for advanced troubleshooting and problem management
  • Driving own development plan to maintain skill set and knowledge of BT products and solutions
  • Participate and contribute to continuous improvement and coaching within the team
  • Management of workload and delivery to meet key performance indicators
  • Complex decision making to balance customer and business need
  • Available when required to work out of hours either on an overtime or on-call basis
  • Able to attain Security Clearance

Requirements:

  • Proven experience of technically supporting live operations in a managed services environment
  • In depth knowledge of managed customer solutions
  • Engagement with 3rd party vendors in advanced troubleshooting and problem solving
  • Detailed understanding of emerging technologies across the managed services portfolio
  • Working in an environment that adheres to ITIL best practices (ITIL4 foundation advantageous)
  • Intermediate / advanced certification or equivalent experience in at least 3 of the following: MANDATORY: Certifications such as RHCE, LFCS, or Linux+ preferred
  • Certificate Services
  • Automation Technologies e.g. Ansible, Puppet, Chef
  • Linux OS internals, networking, and storage and backup concepts
  • VMware, KVM
  • Troubleshoot and resolve advanced issues related to kernel, networking, storage, and performance tuning
  • patching, upgrades, and security hardening of Linux systems

Nice to have:

  • Anti-malware: Web & email filtering and anti-virus protection
  • AOVPN, DirectAccess
  • Citrix Virtual Desktop and Apps (Latest) including NetScaler ADC
  • SAN Technologies: NetApp, HP 3PAR, Dell PowerStore and Metro Node

Additional Information:

Job Posted:
January 10, 2026

Employment Type:
Fulltime
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