L3 Support System Administrator – 24x7 NOC, SOC & Help Desk (US Shift & Rotational Shift)

Job Title:

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Job Type:

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Job Summary:

L3 Support System Administrator

Key Responsibilities:

Advanced Technical Support & Troubleshooting:

• Provide 

  L3 support

   for complex incidents and problems, primarily involving 

  Windows and Linux systems

  .
• Troubleshoot and resolve escalated technical issues for client environments across 

  servers, networks, applications

  , and 

  cloud services

   (O365, Azure).
• Work closely with the 

  NOC, SOC

  , and 

  Help Desk teams

   to ensure all incidents are handled efficiently, meeting SLAs and resolving high-priority issues.
• Perform detailed diagnostics, system checks, and root cause analysis to ensure the resolution of complex issues.

Infrastructure Maintenance & Configuration:

• Manage and configure

   Windows and Linux servers, networks, storage, and cloud infrastructure (O365, Azure) to maintain high availability and optimal performance.

• Apply patches, updates, and security fixes

   to systems and applications, ensuring compliance with security policies and industry best practices.
• Perform 

  system backups

  , 

  disaster recovery

  , and 

  data protection tasks

  , ensuring client data integrity and uptime.
• Regularly monitor infrastructure performance using 

  monitoring tools

   to identify potential issues and proactively address them.

O365 & Azure Administration:

• Manage and support 

  O365

   and 

  Azure

   environments, including user provisioning, access management, and troubleshooting.

• Configure, maintain, and troubleshoot

   O365 applications (Exchange, Teams, SharePoint, etc.) and 

  Azure services

   (VMs, AD, networking, etc.).

• Collaborate with clients

   to implement and maintain cloud solutions and provide guidance on best practices for O365 and Azure usage.

Incident & Ticket Management:

• Use a 

  ticketing system

   (e.g., ServiceNow, Jira, ConnectWise) to log, prioritize, and track incidents, ensuring prompt resolution and documentation of all steps taken.
• Take ownership of complex tickets, escalate when necessary, and ensure clear communication with clients regarding resolution progress.
• Maintain accurate and comprehensive documentation of all incidents, fixes, configurations, and updates.

Client Environment Management & Maintenance:

• Manage client environments proactively to minimize downtime and ensure operational continuity.
• Assist in 

  systems upgrades, migrations, and projects

  , including the rollout of new applications or infrastructure changes.
• Collaborate with internal teams and clients to ensure that 

  maintenance

   schedules are met and that updates and changes are carried out with minimal impact on operations.

Operational Excellence & Process Improvement:

• Identify and implement improvements to 

  operational processes, workflows

  , and 

  incident management procedures

   to enhance support efficiency and service delivery.
• Contribute to the 

  development of knowledge base articles

  , internal documentation, and training materials.
• Stay updated with 

  industry trends, new technologies

  , and best practices to provide cutting-edge solutions and improve client satisfaction.

Qualifications & Skills:

• 5+ years of experience

   in an L3 System Administrator role, supporting 

  Windows, Linux, O365

  , and 

  Azure environments

  .
• Expertise in 

  network administration

  , 

  server management

  , 

  troubleshooting

  , and 

  system monitoring

  across multiple client sites.

• Advanced experience with O365

   and 

  Azure management

  , including administration, troubleshooting, and configuration.
• Proficient in remote troubleshooting and resolution, including use of remote management and monitoring tools.
• Strong understanding of 

  incident management

  , ticketing systems, and SLA adherence.
• Excellent 

  problem-solving

   and 

  analytical skills

  , with a strong ability to diagnose and resolve complex technical issues.

• Solid scripting and automation

   skills (e.g., PowerShell, Bash) for system management and incident resolution.
• Strong documentation skills, with the ability to write clear, concise, and accurate technical reports and knowledge articles.

• Excellent communication skills

   with the ability to interact with clients, understand requirements, and provide technical support in a user-friendly manner.

Preferred Certifications:

• Microsoft Certified: Azure Administrator Associate

   or 

  Microsoft Certified: Security, Compliance, and Identity Fundamentals

• Linux Professional Institute Certification (LPIC-1 or LPIC-2)

• CompTIA Network+

  , 

  Security+

  , or other relevant IT certifications.

• ITIL Foundation

   or higher.

Why Join Us?

• Work in a 

  dynamic, fast-paced environment

   supporting mission-critical client systems and infrastructure.
• Collaborate with a 

  highly skilled team

   to provide exceptional service and solutions to a diverse set of clients.
• Competitive salary, benefits, and opportunities for 

  career growth and development

  .

L3 Support System Administrator