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System Administrator Job Description

A system administrator job description for companies running Windows and Linux servers, Active Directory, email and endpoint systems. It covers server health, user access, backups, patching and IT support escalation.

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[Highlighted] = fill in
[Company Logo][Company Name]

JOB DESCRIPTION – SYSTEM ADMINISTRATOR

Job Title:
System Administrator
Department:
IT Infrastructure
Reports To:
IT Manager
Location:
[Work Location]
Employment Type:
Full-time, Permanent
Experience:
2–5 years in system administration
Job Code:
[Reference Number]

About [Company Name]

[Company Name] is [one-line description of your business, products/services and team size]. Office address: [Company Address].

Job Summary

The System Administrator will keep [Company Name]'s servers, user systems and core IT services secure, available and well maintained, supporting [Number] users at [Work Location].

Key Responsibilities

  1. Administer Windows and Linux servers
  2. Manage Active Directory, group policies and user access
  3. Administer [Microsoft 365 / Google Workspace] email and licences
  4. Run and test backups and restore procedures
  5. Apply OS and application patches on schedule
  6. Manage virtualisation hosts ([VMware / Hyper-V])
  7. Maintain antivirus and endpoint security
  8. Handle escalated IT tickets from the helpdesk
  9. Maintain IT asset inventory and licence records
  10. Document procedures and system configurations

Required Skills

  • Windows Server and Active Directory
  • Linux administration
  • Virtualisation
  • Backup and recovery
  • PowerShell / Bash scripting

Qualifications & Experience

  • B.E. / B.Sc (IT) / Diploma or equivalent
  • 2–5 years in system administration

Preferred Skills (Good to Have)

  • RHCSA / Microsoft certifications
  • Cloud administration
  • ITIL foundation

Key Performance Indicators (KPIs)

KPITargetReview Frequency
Server uptime[Percentage]%Monthly
Patch compliance[Percentage]% within [Number] daysMonthly
Backup restore test success100%Quarterly
Escalated tickets resolved in SLA[Percentage]%Monthly

Salary Range

₹[Minimum CTC] – ₹[Maximum CTC] per annum (CTC), depending on experience and skills. Final offer will show the fixed and variable split and approximate in-hand salary.

Benefits

  • Provident Fund (EPF) and ESI as applicable, gratuity as per law
  • [Number] days of paid leave plus public holidays as per company policy
  • [Health insurance / group mediclaim cover]
  • Weekend support compensation as per policy

How to Apply

Send your CV with the systems you administer and team size supported. Send your application to [HR Email] with the subject line "Application – System Administrator – [Your Name]" or apply through [Application Link]. Last date to apply: [Date].

Prepared by
[HR Name]
Human Resources
Date: [Date]
Approved by
[Reporting Manager]
IT Infrastructure
Date: [Date]

What this template includes

  • A job summary that explains why the system administrator role exists and where it sits in IT Infrastructure
  • 10 role-specific responsibilities, starting with administer Windows and Linux servers
  • Required skills such as windows server and active directory and linux administration, so screening criteria are clear
  • Qualifications and experience (2–5 years in system administration) stated up front to filter applications
  • A KPI table, e.g. server uptime, that later becomes the appraisal yardstick
  • Salary range, benefits and how-to-apply sections with placeholders ready to fill

When to use it

  • Managing in-house servers and user systems
  • Rolling out Microsoft 365 or Google Workspace
  • Improving backups and patch compliance
  • Replacing an outsourced IT AMC with an in-house admin

How to customise this template

  1. 1Replace [Company Name], [Work Location] and the reporting line (IT Manager) with your actual details
  2. 2Trim or reorder the responsibilities so the top three reflect what the system administrator will spend most time on
  3. 3Mention the OS mix, virtualisation platform and number of users and servers
  4. 4Fill in the salary range as annual CTC in ₹ and decide whether to show it publicly or only on request
  5. 5Set realistic targets in the KPI table with the hiring manager before the role goes live

HR tips

  • Separate L1 desktop support from sysadmin duties if you have a helpdesk
  • Include backup restore tests as a KPI; untested backups are a common gap
  • Mention any 24x7 or weekend support expectations

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Frequently asked questions

What does a system administrator do?+

A system administrator installs and maintains servers, manages user accounts and access, applies patches, runs backups and resolves escalated IT issues.

Which skills does a sysadmin need?+

Windows Server and Active Directory, Linux, virtualisation, backup tools, M365/Google admin, scripting and troubleshooting.

Which certifications help?+

Microsoft, Red Hat (RHCSA) and VMware certifications are commonly valued.

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