Linux Specialist

3 weeks ago

Thiruvananthapuram Taluk India, IN Envestnet Full time

Responsibilities

As an Infrastructure Engineer, you will play a vital role in designing, building, and supporting virtualization and server infrastructure in dispersed datacenter locations globally. You will support all aspects of server infrastructure from the Operating System layer through to virtualization and hardware layer.

  • Act as an SME (Subject Matter Expert) for Linux-based systems
  • Deploy, configure, and maintain Linux-based systems (primarily Ubuntu) across global datacenter environments
  • Develop and maintain scripts (Bash, Python, or similar) for system administration, monitoring, and operational tasks
  • Implement and manage patching, hardening, and security compliance for Linux systems
  • Troubleshoot performance issues and optimize Linux environments for scalability and reliability
  • Provide expert-level support to deploy, maintain, troubleshoot, and upgrade Infrastructure in on-prem and colocation datacenter spaces, as well as cloud services such as AWS
  • Design and implement hybrid solutions that integrate on-premises environments with AWS cloud services for scalability and resilience
  • Automate provisioning and configuration of resources using tools such as Ansible, CloudFormation, or Terraform
  • Provide support for Cisco UCS, and traditional Dell and HP servers
  • Configure, monitor, maintain, and upgrade multiple large Hyper-V clusters
  • Provide support for large-scale enterprise DNS
  • Participate in high-severity incidents, take ownership, and lead charge in troubleshooting, resolution, and root cause analysis
  • Familiarize with Jira workflow, ticketing procedures, and implementations
  • Liaise with vendors/business units to build and document infrastructure environments
  • Provide expert advice, critically examine infrastructure and processes, and introduce/follow best practices to meet or exceed high availability, reliability, security, and industry compliance
  • Foster team collaboration, regularly and generously share knowledge, and participate in mentoring/upskilling junior team members
  • Participate in on-call rotations


Required Skills / Experience

  • Strong hands-on experience with Linux administration (Ubuntu preferred)
  • Familiarity with Linux networking, system performance tuning, and troubleshooting
  • Experience with package management, kernel updates, and system hardening
  • Expert-level knowledge of core systems concepts such as DNS, TCP/IP, DHCP, Operating system, Virtualization, SSL Certificates/PKI
  • Hands-on experience with AWS services (EC2, VPC, IAM, S3, CloudWatch) and hybrid cloud integration
  • Familiarity with Infrastructure-as-Code tools for AWS (CloudFormation, Terraform)
  • Proficiency in automation tools such as Ansible for configuration management
  • Scripting skills in Bash, Python, or similar languages for automation and operational efficiency
  • Experience working on large enterprise infrastructure footprint and multi-forest AD environment
  • Windows Technologies such as IIS, DFS, DHCP, Windows-based DNS, Certificate authority, File shares
  • Expert-level knowledge of and extensive experience in Virtualization technologies, such as Microsoft Hyper-V
  • Knowledge of and experience working with datacenter storage from various providers, including Dell, Pure, and HPE
  • Experience with storage concepts such as fibre-channel zoning, iSCSI, CIFS, NFS, and Block-configuration
  • Experience in backup technologies, including, but not limited to Veeam, Commvault, and Cohesity
  • Experience working in large geographically dispersed multiple Datacenter Infrastructure and Operations
  • Knowledge on orchestration, compute, storage, and networking concepts
  • Knowledge of Jira, Scrum, Sprint, and Kanban concepts
  • Experience: 5 to 10 years

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