System Administrator

Job Description

OakStreet Technologies is seeking a skilled and experienced System Administrator to join our team.


  • Monitor, secure, operate, maintain, troubleshoot the systems, services, and applications, and provide Level 3 support for resolving the escalated support tickets/ requests.
  • Design, configure, deploy, monitor, operate and maintain the systems, services and applications including but not limited to Windows/ Linux Servers (like directory service, file service, NTP, SSH, DNS, DHCP), virtualization, Microsoft Azure Cloud, IP address planning, global IP management, VPNs etc.
  • Propose and design IT solutions and services independently as well as a team member.
  • Design, configure, deploy monitor, operate and maintain the security solutions like Antivirus, EDR, PAM, the accounts and access management, logs management, servers and services hardening etc.
  • Design, configure, deploy, monitor, operate and maintain the integrations between Microsoft Azure Cloud and on-prem services, backup/ restore services, fault-tolerant systems is required, while the expertise on Kubernetes is preferred.
  • Operate and maintain on-prem datacenter, and cloud virtual datacenters and tenants.
  • Planning and Budgeting development costs, recurring subscription costs, software licensing, features cost, and scrutiny of the payments.
  • Prepare technical documents to support the IT procurement, policies, processes, and SOPs.
  • Review and recommend design of the user services (on-prem vs cloud).
  • Act as a full backup to the Network Administrator in case of his unavailability.
  • Act on behalf of the junior team, in case of unavailability, for smooth functioning of the underlying user services.
  • Manage team, define performance indicators, and evaluate.
  • Assist and report to the immediate line manager.
  • Provide Level 1, 2 & 3 support to the senior management (Director, VP & CxO level).
  • Any other task in the IT domain assigned by the senior.


  • Bachelor’s degree in Information Technology, Computer Science, or related field. Master’s degree or relevant certifications are a plus.
  • Proven experience as a System Administrator or in a similar role, with a strong understanding of IT infrastructure management.
  • Proficiency in administering Windows and Linux operating systems, as well as virtualization technologies (VMware, Hyper-V, etc.).
  • Experience with network administration, including TCP/IP, DNS, DHCP, VLANs, and routing protocols.
  • Knowledge of security best practices, including firewalls, intrusion detection/prevention systems, and encryption technologies.
  • Strong troubleshooting and problem-solving skills, with the ability to analyze complex technical issues and implement effective solutions.
  • Excellent communication and interpersonal skills, with the ability to collaborate with colleagues at all levels of the organization.

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