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Jacobs Senior System Administrator 
United States, Virginia 
478966955

Yesterday
Your impact

We are seeking an experienced System Administrator Level 3 with 15 years of extensive experience in managing and maintaining complex IT infrastructures. The ideal candidate will have in-depth knowledge of system administration, cloud services, network management, cybersecurity, and enterprise-grade applications. This role requires a strong problem solver with the ability to lead, mentor, and support junior administrators while maintaining system integrity and performance.

Key Responsibilities:

  • Manage and maintain servers, network devices, and enterprise-level IT systems.
  • Implement and monitor security measures, including firewalls, intrusion detection, and endpoint protection.
  • Design and maintain backup, disaster recovery, and high availability strategies.
  • Optimize system performance and troubleshoot technical issues.
  • Oversee cloud environments (AWS, Azure, or GCP) and hybrid infrastructures.
  • Perform software installations, updates, and system patches.
  • Automate routine tasks using scripting languages (PowerShell, Bash, Python).
  • Manage user accounts, permissions, and group policies.
  • Lead technical projects and collaborate with cross-functional teams.
  • Mentor and guide junior system administrators.