System Administrator I

PDI Technologies

Full Time4+ yearsPosted 7 days ago

Let the right jobs find you

Get personalised suggestions from verified company career pages, matched to your role, location, level, and skills.

Overview

Position Type

Full Time

Experience

4+ years

Job Description

Role Overview:

The System Administrator I is responsible for the administration, monitoring, and optimization of enterprise IT infrastructure within a 24/7 Network Operations Center (NOC) environment. This role ensures high availability, performance, and security of systems across on-premises and cloud environments.

Key Responsibilities:

  • Incident & Service Management

    • Monitor, triage, and resolve incidents within defined SLAs, ensuring timely escalation where required.
    • Maintain clear and professional communication with stakeholders throughout the incident lifecycle.
    • Document resolutions, root causes, and updates in accordance with operational processes.
    • Demonstrate strong working knowledge of Microsoft ecosystem and Windows server environments.
  • System Monitoring & Infrastructure Management

    • Proactively monitor infrastructure using enterprise monitoring tools (e.g., DataDog, PagerDuty).
    • Respond to alerts across critical, warning, and error thresholds.
    • Perform system upgrades, patch management, and scheduled maintenance activities.
    • Manage and optimize server resources including CPU, memory, and storage capacity.
  • Network Administration

    • Configure, maintain, and troubleshoot network connectivity including static, dynamic, and failover tunnels.
    • Perform routing updates, ASA licensing activities, and IP whitelisting tasks.
    • Execute network security tasks such as IP blocking (shunning) and tunnel resets.
  • Identity & Access Management (IAM)

    • Administer Active Directory (AD) user accounts, group memberships, and access policies.
    • Support identity synchronization between AD and Okta environments.
    • Provision and maintain internal and customer user accounts in alignment with security policies.
  • Database Administration Support

    • Manage database-level access control, including granting and revoking SQL permissions.
    • Support integration of identity groups with database systems.
  • Cloud Infrastructure (AWS) Management

    • Configure and manage AWS services including EC2, S3, and IAM components.
    • Monitor cloud utilization and implement cost optimization measures.
    • Perform scheduled backups, scaling, and disaster recovery support activities.
    • Troubleshoot infrastructure and application-level issues within cloud environments.
    • Integrate cloud services with on-premises and third-party systems.
  • Technical Support & Troubleshooting

    • Diagnose and resolve system performance issues, IIS services, hardware concerns, and access-related issues.
    • Manage service configurations, permissions, and software installations.
    • Support authentication-related issues including MFA resets and monitoring tool components.
  • AI Enablement in NOC Operations

    • Utilize AI tools to support operational efficiency in incident analysis and reporting.
    • Perform summarization of alerts, logs, and incident data for operational insights.
    • Develop structured prompts for root cause analysis, escalation notes, and customer communications.
    • Validate AI-generated outputs before operational use.
    • Ensure adherence to data security and confidentiality standards when using AI tools.

Required Skills

System AdministrationNetwork OperationsMicrosoft Ai EcosystemLegacy Windows Server EnvironmentsDatadogPager DutyActive DirectoryOktaSqlAwsAws Ec2S3Aws IamVp NsTunnels

About the Company

PDI Technologies

Chennai, India

Share This Job