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Windows Administrator - resume example

Not sure what to put on your resume for the Windows Administrator role? We've analyzed the common theme among resumes for this specific position, alongside researching what employers typically expect from those applying.
Illustration: TaskTeller

John Doe | Windows System Administrator

Contact Information

  • Phone: (123) 456-7890
  • Email:
  • LinkedIn:

Professional Summary
Detail-oriented and MCSA-certified professional with over 7 years of experience in system administration, specializing in Microsoft technologies. Proven track record in improving system performance, deploying updates, and ensuring network security. Adept at leading teams in high-pressure environments and committed to providing top-notch user support.


  • Active Directory management
  • PowerShell scripting
  • Network configuration and security
  • System performance tuning
  • Disaster recovery planning
  • Virtualization with Hyper-V
  • Patch management
  • Excellent problem-solving abilities
  • Strong communication skills
  • Project management


  • Microsoft Certified Solutions Associate (MCSA): Windows Server 2016
  • CompTIA Security+

Bachelor of Science in Computer Science
University of Technology, 2010 – 2014

Professional Experience

Senior System Administrator
ABC Tech Solutions, New York, NY | April 2018 – Present

  • Lead a team of 5 administrators to manage a network of 200+ Windows servers.
  • Reduced system downtime by 30% through proactive maintenance and performance tuning.
  • Implemented a new backup solution that decreased data recovery times by 50%.
  • Conducted regular training sessions for junior staff on system security best practices.

System Administrator
Innovative Tech Corp, New York, NY | June 2014 – March 2018

  • Managed Active Directory for a 500-user organization, including group policies and user accounts.
  • Automated routine tasks using PowerShell, saving 20 hours of manual work per week.
  • Coordinated with the cybersecurity team to address vulnerabilities, resulting in a 40% reduction in security incidents.
  • Assisted in the migration of on-premises services to Azure, enhancing system scalability.

Server Consolidation Project

  • Led a server consolidation project that reduced server count by 25% without impacting performance.
  • Coordinated cross-departmental efforts to ensure a smooth transition and minimal downtime.

Office 365 Migration

  • Managed the successful migration of company email and collaboration services to Office 365.
  • Trained end-users on new features and best practices, improving overall productivity.


  • English (Fluent)
  • Spanish (Conversational)


  • Employee of the Year, ABC Tech Solutions, 2019
  • Best Innovation in System Administration, Innovative Tech Corp, 2017

Professional Affiliations

  • Member, Association of Information Technology Professionals (AITP)
  • Member, SysAdmin Guild

Remember, this is a starting point for your resume. Tailor each section to reflect your unique experiences and achievements. Use this example as a guide to highlight your strengths and the value you bring to potential employers in the field of system administration.

How to Make Your Resume ATS-Friendly

ATS (Applicant Tracking System) is a software application that automates the recruitment process for employers. It streamlines sorting, scanning, and ranking job applications by filtering resumes based on predefined keywords, skills, job titles, and other criteria. This assists recruiters in efficiently identifying qualified candidates for open positions.

  • Use simple formatting: ATS systems best read resumes with clear and straightforward formatting. Avoid using headers or footers, tables, images, or graphics, as these can confuse the ATS.
  • Include relevant keywords: Tailor your resume with keywords from the job description. ATS systems scan for these keywords to determine if your skills and experiences match the job requirements.
  • Stick to standard headings: Use common heading titles like “Work Experience,” “Education,” and “Skills” to ensure the ATS can easily find and categorize your information.
  • Choose the correct file type: Submit your resume as a Word document (.doc or .docx) or a plain text file (.txt) for maximum compatibility. Avoid PDFs unless specified.
  • Keep consistent job titles: If your previous job titles are not industry-standard, consider altering them slightly (without misrepresenting your role) to match more familiar titles.
  • Avoid fancy fonts or creative layouts: Stick to traditional fonts like Arial, Calibri, or Times New Roman. Creative designs and fonts might look appealing but can be problematic for ATS parsing.
  • Use full forms and acronyms: If you include technical terms or certifications, use their spelled-out form and acronyms to ensure the ATS recognizes them.
  • Be precise with dates: Format dates clearly and consistently, ideally in a ‘Month YYYY’ format.
  • Proofread for spelling and grammar: Errors can confuse the ATS. Proofread your resume or use a tool to check for accuracy.
  • Test your resume: Before submitting, test it through an ATS resume checker to see how it reads your information.

By following these guidelines, your resume will be better equipped to pass through ATS filters, increasing your chances of landing an interview.

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