Windows/Linux/Unix Administrator - Application Support Specialist

September 24

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NTD Software

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Software Development • MVP • Technical Debts • Staff Augmentation • Code Delivery

11 - 50

Description

•Install, configure, and maintain Windows servers (2016/2019/2022) to ensure their performance, security, and availability. •Manage Active Directory environments, including user accounts, groups, permissions, and group policies. •Perform regular system updates, patches, and backups for Windows environments. •Install, configure, and maintain Linux/Unix systems (Red Hat, CentOS, Ubuntu) to ensure performance, security, and availability. •Manage user accounts, permissions, and security for Linux/Unix systems, and automate tasks using shell scripting. •Provide 2nd and 3rd-level application support for business-critical applications, resolving software-related issues. •Collaborate with development teams to manage application deployments, patches, and upgrades. •Use monitoring tools to track system and application health, responding to alerts promptly and ensuring high availability. •Assist users with resolving Windows OS, network, and application-related issues. •Participate in disaster recovery planning, testing, and system maintenance. •Document issues, resolutions, and develop standard operating procedures (SOPs) for IT and application support tasks. •Ensure security policies are followed, including antivirus, firewalls, and other security tools.

Requirements

•3+ years of experience in Windows system administration and application support. •Fluent English •Proficiency in Windows Server operating systems (2016, 2019, 2022). •Strong understanding of Active Directory, DNS, DHCP, and group policy management. •Experience with installing, configuring, and maintaining Linux/Unix systems (Red Hat, CentOS, Ubuntu). •Proficiency in shell scripting and automation using Bash or similar tools. •Familiarity with virtualization technologies such as VMware or Hyper-V. •Knowledge of network protocols and concepts. •Ability to script and automate tasks using PowerShell. •Experience with ITSM tools like ServiceNow or JIRA for ticket management. •Certifications such as Microsoft Certified: MCSA or MCSE are desired. •Strong analytical, troubleshooting, and communication skills.