Senior Linux Administrator

Role & responsibilities

• Maintenance of Connectivity Infrastructure components.
  
• Responsible for managing day-to-day support activities.
  
• System administration of Linux, Windows systems, and variants.
  
• Patching Windows and Linux systems.
  
• Work with ServiceNow and Staffware ticketing systems.
  
• Administration of Microsoft Hyper V.
  
• Network device administration, i.e., Fortinet, Juniper, Huawei, etc.
  
• Plan, schedule, and implement Infrastructure maintenance activities, which include software upgrades, hardware replacement, and infrastructure changes.
  
• Root cause analysis & Incident report to Management teams and Stakeholders after a Major incident.
  
• Work with Service Providers, Hardware vendors to determine causes of device failure/issues
  
• Create and support automation using perl, python, bash, Ansible etc.
  
• Monitoring tools like ICINGA, Prometheus, Grafana, and Zabbix.
  
• Communicate effectively with internal and external audiences with varying levels of technical expertise
  
• Work on improvement/maintenance projects.

Preferred candidate profile

Mandatory skillset:

• Experience of Linux systems/server administration with hands-on exp in RedHat/CentOS, LVM, BASH, Icinga, Apache, Postfix, Linux Load Balancers
  
• Knowledge of infrastructure automation solutions (Ansible, Puppet, etc.)
  
• Troubleshoot performance, availability, and functionality issues & determine root cause
  
• Scripting & automation experience in Python, Perl, and Shell
  
• In-depth knowledge of patching Linux, Windows systems & packages
  
• Familiar with Virtualization Platforms.
  
• Experience with Database Administration
  

Desired Skills:

• Knowledge of Red Hat Satellite server will be advantageous.
  
• Familiar with Grafana Prometheus.
  
• Knowledge and experience in maintaining and supporting a network environment.
  
• CCNA, RHCE/RHCSA certification will be an advantage
  

Competency Requirement:

• Excellent communication and interpersonal skills.
  
• Exposure to quality systems (ISO / CMMI).
  
• Understanding of ITIL process or similar methodologies
  
• Should be a quick learner with an eye for detail.
  
• Drive for results within deadlines.
  
• Demonstrate a high degree of self-motivation and tenacity to get the job done.