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Infrastructure Senior Tech Analyst -Assistant Vice President

Citigroup
Posted 1 week ago

LOCATION

Chennai · Hybrid

EXPERIENCE

6 - 8 Years

TYPE

FullTime

SKILLS REQUIRED

Linux System AdministrationRoot Cause AnalysisIncident responseAnsibleConfiguration Management

Job description

Overview

Infrastructure Technology Lead Analyst (Red Hat Linux, GRID Infrastructure L3 Support Engineer) providing Level 3 support, engineering, remediation and operational excellence across the Unified Red Hat Enterprise Linux estate of more than 100,000 servers.

What you'll do

  • Provide Level 3 technical support for complex Red Hat Enterprise Linux and GRID infrastructure server incidents, escalations and critical production outages.
  • Lead troubleshooting and resolution of high-impact operating system, kernel, performance, storage, networking and server infrastructure issues to restore services within agreed SLAs.
  • Perform detailed Root Cause Analysis following service restoration and implement corrective and preventive actions to eliminate recurring issues.
  • Design and implement server security hardening standards in accordance with enterprise security policies, regulatory requirements and industry best practices.
  • Manage vulnerability remediation, security patching, operating system lifecycle management and compliance controls across the Red Hat server estate.
  • Administer and troubleshoot infrastructure agents including monitoring, security, backup, automation, compliance and endpoint management agents deployed across Linux servers.
  • Develop, maintain and optimize Ansible playbooks for server provisioning, configuration management, patching, security remediation and operational automation.
  • Automate repetitive operational tasks and develop engineering solutions to improve platform stability, efficiency and operational resilience.
  • Review infrastructure requirements, define operating system standards, and update operational processes, procedures and technical documentation as required.
  • Conduct proactive system health reviews, capacity planning, performance tuning and operational risk assessments.
  • Provide technical leadership, mentorship and strategic guidance to team members and operational support teams.
  • Collaborate with security, application, middleware, storage, network and infrastructure teams to resolve cross-functional technical challenges.
  • Support operating system upgrades, migrations, disaster recovery exercises and business continuity initiatives.
  • Ensure ongoing compliance with regulatory requirements, corporate governance standards and security frameworks.
  • Act as a Subject Matter Expert for Red Hat Enterprise Linux platforms and associated technologies when engaging with senior stakeholders, engineering teams and project groups.
  • Operate independently with minimal supervision, demonstrating strong ownership, sound judgment and decision-making, and escalating and reporting control issues with transparency.

What you'll need

  • 6-8 years of experience in relevant technologies.
  • Bachelor's/University degree or equivalent experience.
  • Strong expertise in Red Hat Enterprise Linux (RHEL) administration, GRID infrastructure and troubleshooting.
  • Advanced knowledge of Linux kernel, system performance tuning, networking, storage, LVM, multipathing, clustering and filesystem management.
  • Experience in enterprise server security hardening, vulnerability management and compliance frameworks.
  • Hands-on experience with Ansible automation and playbook development.
  • Experience with Chef configuration management and infrastructure-as-code practices.
  • Knowledge of monitoring, backup, security and compliance agents deployed in enterprise Linux environments.
  • Experience supporting mission-critical production environments at large scale.
  • Strong analytical, problem-solving, incident management and root cause analysis skills.

Nice to have

  • Familiarity with virtualization, cloud technologies and DevOps practices.

Details

  • Location: Chennai, Tamil Nadu, India.
  • Time type: Full time.

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Infrastructure Senior Tech Analyst -Assistant Vice President