administrative

Entry Level System Administrator

Resume Example

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Ella Martinez

Entry Level System Administrator

[email protected] | +1 (555) 987-6543 | linkedin.com/in/ella-martinez | firstname-lastname.com | Austin, TX

Professional Summary

Entry-level System Administrator with 2+ years of IT support and junior systems experience across Linux servers, user access, backups, monitoring, and basic cloud security. Known for clear documentation, steady troubleshooting, and practical automation with Python and shell scripts. Ready to support secure, reliable infrastructure while continuing to build depth in networking, AWS, and incident response.

Skills

Linux Server Configuration, Firewall Management, Intrusion Detection Systems (IDS), Scripting Languages (Python, Bash), AWS Cloud Services, Azure Cloud Services, Nessus, Wireshark

Work Experience

Entry Level System Administrator

01/2024

TechCorp Inc.

Austin, TX

Maintained Linux server accounts, patch schedules, firewall rules, and IDS alerts while escalating higher-risk findings to senior administrators

Configured and monitored shared server environments, helping the team sustain 99.8% uptime across internal business applications

Automated daily backup checks with Python and shell scripts, reducing manual review time by 80% and improving issue visibility

Documented access-control, backup, and incident-response procedures used to onboard 3 new IT team members

Junior System Administrator

06/2022 - 12/2023

Tech Solutions Ltd.

Austin, TX

Installed and configured Linux servers for client lab environments, improving reliability through standardized setup checklists

Resolved 100+ monthly tickets covering account access, permissions, endpoint issues, and basic network troubleshooting

IT Support Specialist

01/2021 - 05/2022

Innovatech Services Corp.

Austin, TX

Supported 20+ users per day through help desk requests, reducing average first response time by 45%

Created knowledge base articles for common system configuration issues, making repeat support tasks easier for new technicians

Projects

Network Threat Monitoring Lab

Built a Python and Splunk lab to parse sample network logs, flag suspicious login patterns, and practice triage notes for potential security events.

AWS Security Baseline Checker

Created Python scripts with AWS CLI commands to review common cloud settings such as open security groups, unused access keys, and S3 bucket permissions.

Education

Bachelor of Science in Computer Information Systems

08/2019 - 05/2023

University of Texas at Austin

Austin, TX

Relevant coursework: Network Security, Cloud Computing Technologies, Data Protection and Privacy. CISSP Certification Candidate, AWS Certified Solutions Architect – Associate.

Certifications

AWS Certified Security - Specialty

07/2025

Amazon Web Services

Earned a specialty certification focused on AWS security controls, identity access, logging, and cloud infrastructure protection.

CompTIA Security+

10/2025

CompTIA

Earned CompTIA Security+ to validate foundational knowledge of threats, risk management, access control, and secure operations.

Why This Template Works

This resume format works well for ATS because it includes a comprehensive section dedicated to technical skills and certifications relevant to an Entry Level System Administrator role. Additionally, the inclusion of specific keywords related to system management, IT security, and network administration ensures that automated systems can easily identify the candidate's qualifications. Furthermore, by structuring the professional experience with clear job responsibilities and achievements using bullet points, this resume format maximizes its chances of passing through ATS filters while still presenting a well-organized document for human review.

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How to Write This Resume

How to Write This Resume

Expert guidelines and best practices for each section of your resume.

01

Contact

Contact

First Name Last Name City, State, Zip Code Phone Number | Email Address LinkedIn Profile URL | Portfolio URL (Optional)

General Guidelines

Your contact information is the first section recruiters see. Keep it concise and professional. Ensure your email address is appropriate (e.g., [email protected]). Include your LinkedIn profile for a comprehensive view of your professional journey. A portfolio or personal website is recommended for creative, technical, or design roles.

Avoid This

Do not include your full physical address (street number/name) for privacy reasons. Avoid including personal details like marital status, age, photo, or social security number unless specifically required in your country. Don't use unprofessional email addresses.

Real Examples

See clear examples of how to format contact details effectively.

Don't

John Doe 1234 Random St, Apt 56 New York, NY 10001 [email protected] github.com/aliciacode Single, 28 years old

Do

John Doe New York, NY (555) 123-4567 | [email protected] linkedin.com/in/johndoe | johndoe.com

Quick Tips

  • Use a professional email address (firstname.lastname format)
  • Ensure your voicemail is set up and professional
  • Double-check your phone number and email for typos
  • Make your LinkedIn URL custom (linkedin.com/in/yourname)

02

Summary

Summary

Professional Title Result-oriented [Role Name] with [Number] years of experience in [Key Skills/Industries]. Proven track record of [Major Achievement]. Skilled in [Key Technologies/Skills]. Committed to delivering [Specific Value] for [Target Industry/Company type].

General Guidelines

A professional summary is your elevator pitch. It should be 3-5 sentences long, summarizing your experience, key skills, and major achievements. Tailor it to the job description by using relevant keywords. Focus on what makes you unique and the value you bring to potential employers.

Avoid This

Avoid generic objectives like 'Looking for a challenging role to grow my skills.' Recruiters want to know what value you bring to them, not what you want from them. Don't use first-person pronouns (I, me, my). Keep it concise and impactful.

Real Examples

Compare a weak objective with a strong professional summary.

Don't

Objective: I am a hard-working individual looking for an Entry Level System Administrator position where I can learn new things and advance my career.

Do

Entry-level System Administrator with 2+ years of IT support experience across Linux servers, user access, backups, and monitoring. Comfortable writing simple Python and shell scripts to reduce repeat tasks and improve visibility for the infrastructure team.

Quick Tips

  • Quantify achievements where possible (e.g., 'Increased revenue by 20%')
  • Keep it under 5 lines for readability
  • Use strong action verbs to start sentences
  • Tailor the summary to match the job description

03

Skills

Skills

Technical Skills - Languages: [List] - Frameworks: [List] - Tools: [List] Soft Skills - [Skill 1], [Skill 2], [Skill 3]

General Guidelines

Group your skills logically (e.g., Languages, Frameworks, Tools). Focus on hard skills relevant to the job. List skills in order of proficiency or relevance. Soft skills are better demonstrated through bullet points in your experience section rather than a bare list.

Avoid This

Do not list skills you are not comfortable using in an interview. Avoid using progress bars or percentages to rate your skills (e.g., "Java: 80%"). Do not include outdated technologies unless specifically required.

Real Examples

Practical example showing do's and don'ts for skills

Don't

JavaScript, Python, Java, C++

Do
  • Scripting: Bash, PowerShell, Python - Systems: Linux, Windows Server, Active Directory
Don't

75% SQL, 80% Linux, 90% Networking

Do
  • Tools: Jira Service Management, Splunk, AWS CLI - Networking: DNS, DHCP, firewalls, VPN support

Quick Tips

  • Prioritize operating systems, identity tools, ticketing systems, networking basics, monitoring, backups, and scripting skills used in junior system administration.
  • Include security knowledge when it is backed by coursework, certifications, labs, or practical support experience.
  • Keep soft skills brief and prove them through experience bullets, such as documentation, escalation, and user communication.

04

Experience

Experience

Job Title | Company Name | Location Month Year – Month Year - Action Verb + Context + Result (Quantified) - Led [Project] resulting in [Outcome]... - Collaborated with [Team] to implement [Feature]...

General Guidelines

This is the core of your resume. Use reverse-chronological order (most recent first). Start each bullet with a strong action verb. Focus on achievements and impact, not just duties. Use numbers to quantify your impact (dollars, percentages, time saved, users affected). Show progression and increasing responsibility.

Avoid This

Avoid passive language like "Responsible for..." or "Tasked with...." Don't list every single daily task; focus on significant contributions and measurable outcomes. Avoid jargon that recruiters outside your field won't understand.

Real Examples

Practical example showing do's and don'ts for experiences

Don't

Managed system configurations and security updates;

Do

Configured and monitored Linux server environments, helping sustain 99.8% uptime for internal business applications.

Don't

Performed routine audits to check for vulnerabilities;

Do

Reviewed system alerts, documented recurring issues, and escalated priority vulnerabilities with clear remediation notes.

Quick Tips

  • Start bullets with concrete actions such as configured, monitored, automated, documented, resolved, or escalated.
  • Quantify realistic support and infrastructure outcomes: uptime, ticket volume, response time, backup checks, users supported, or onboarding impact.
  • Show progression from help desk tasks toward systems work such as access control, server maintenance, monitoring, and scripting.
  • Focus on outcomes instead of listing every routine task.

05

Education

Education

Degree Name | University Name | Location Month Year – Month Year - Relevant Coursework: [Course 1], [Course 2] - Honors/Awards: [Award Name] - GPA: X.X (if above 3.5)

General Guidelines

List your highest degree first. If you have significant work experience, keep the education section brief. Include your GPA only if it is above 3.5 or if you are a recent graduate. Highlight relevant coursework, academic projects, honors, or leadership roles.

Avoid This

Do not include high school details if you have a college degree. Avoid listing every single course you took; select only the most relevant ones. Don't include graduation dates from decades ago if age discrimination is a concern in your field.

Real Examples

Practical example showing do's and don'ts for educations

Don't

Bachelor of Arts | University of Texas at Austin | Austin, TX January 2018 - May 2022 - Coursework: Introduction to Computer Science, Intermediate Programming Languages, Database Management Systems, Marketing Strategies, Business Ethics, Advanced Microeconomics

Do

Bachelor of Science in Computer Information Systems | University of Texas at Austin | Austin, TX August 2019 - May 2023 - Relevant Coursework: Network Security, Cloud Computing Technologies, Data Protection and Privacy - Honors/Awards: Dean's List (Fall 2020) - GPA: 3.7

Quick Tips

  • List your degree with the university name and location clearly.
  • Include relevant coursework that is directly related to system administration or cybersecurity.
  • If applicable, mention honors or awards received during your academic career.
  • Only include your GPA if it's above 3.5 or if you are a recent graduate.

06

Projects

Projects

Project Name | Tools/Technologies Used - Briefly describe what you created and its purpose - Highlight specific challenges you solved - Link to portfolio or demo if available

General Guidelines

Projects are excellent for demonstrating practical skills, especially if you lack work experience or are changing careers. Include a link to your portfolio or demo if possible. Focus on projects that show problem-solving skills and relevant tools for the target role.

Avoid This

Don't include trivial tutorials unless you significantly expanded on them. Avoid projects that are outdated, incomplete, or irrelevant to the role you're applying for. Don't just list technologies—explain what you created and why it matters.

Real Examples

Practical example showing do's and don'ts for projects

Don't

Built a simple web application using Flask that displays 'Hello World'.

Do

Developed a Python-based inventory management system for small businesses, utilizing Flask to build a user-friendly interface. Implemented RESTful APIs and integrated with PostgreSQL database for efficient data handling. The project aimed at streamlining stock tracking processes for improved operational efficiency.

Don't

Set up a basic firewall configuration on Linux server.

Do

Configured an advanced firewall using iptables and CSF (ConfigServer Security & Firewall) on multiple Linux servers, implementing rule sets to protect against common vulnerabilities. Conducted regular audits and updates to ensure compliance with the latest security standards.

Quick Tips

  • Select projects that showcase your ability to solve real-world problems using relevant technologies.
  • Provide context for each project—explain how it started, what challenges were faced, and how they were overcome.
  • Include a link to your portfolio or GitHub repository where hiring managers can view the live demo or codebase of your project.
  • Highlight any certifications or additional learning that contributed to completing these projects successfully.

Frequently Asked Questions

Common questions about this role and how to best present it on your resume.

Show help desk experience, Linux or Windows administration tasks, user access work, backups, monitoring, networking basics, scripting, and any practical cloud or security projects.

Lead with hands-on work: certifications, labs, internships, support tickets, home lab projects, and measurable troubleshooting or documentation results.

Useful keywords include Linux, Windows Server, Active Directory, networking, DNS, DHCP, backups, monitoring, ticketing, PowerShell, Bash, Python, AWS, and security fundamentals.

Connect support tasks to infrastructure outcomes, such as faster response times, clearer documentation, more reliable backups, cleaner user access, and fewer repeat tickets.

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