Data-Core Systems Inc.

IT Systems Administrator

Data-Core Systems Inc.

contract

Posted on:

Origin:  • 🇺🇸 United States • Pennsylvania

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Job Level

Mid-LevelSenior

Tech Stack

AWSAzureCloudFirewallsGoogle Cloud PlatformLinuxOraclePostgresSQLVMware

About the role

  • Install, configure, and maintain servers (Windows/Linux), storage systems, and databases.
  • Manage cloud and on-prem hybrid environments (Azure, AWS, VMware, Hyper-V).
  • Oversee network devices (routers, firewalls, switches, VPNs) at toll plazas and central offices.
  • Monitor system performance, uptime, and capacity utilization; apply patches, updates, and upgrades.
  • Implement backup and recovery solutions to prevent data loss.
  • Create and manage user accounts, groups, and permissions; enforce identity and access policies.
  • Support Single Sign-On (SSO), MFA, and role-based access for tolling applications.
  • Manage antivirus, endpoint security, firewalls, and intrusion detection/prevention systems; ensure compliance with PCI-DSS, ISO 27001, and government transport security standards.
  • Respond to system outages and network failures at toll plazas; provide Level 2/3 support and collaborate with vendors.
  • Maintain system configuration documentation, network diagrams, inventory records, and develop SOPs; support business continuity and disaster recovery planning.

Requirements

  • Proven experience as a Systems Administrator / IT Administrator / Infrastructure Engineer .
  • Strong knowledge of Windows/Linux server administration .
  • Experience with network administration (LAN/WAN, firewalls, VPNs) .
  • Familiarity with cloud platforms (Azure, AWS, GCP) .
  • Knowledge of databases (SQL, Oracle, PostgreSQL) .
  • Certifications (preferred): MCSA/MCSE, RHCSA/RHCE, CompTIA Security+, CCNA, Microsoft Azure Administrator Associate .
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