Systems Administrator Resume Example

IT infrastructure expert managing hybrid-cloud server environments. This mid-level systems administrator resume example shows how to present your experience, skills and results so they stand up to both recruiters and applicant tracking systems.

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Full systems administrator resume text

Dwight Schrute Jr. · Scranton, PA

Professional summary

Meticulous Senior Systems Administrator with 12+ years of experience in managing high-availability server environments (Linux/Windows), hybrid cloud architectures, and enterprise security protocols. Expert in virtualization (VMware/KVM), configuration management (Ansible), and business continuity. Dedicated to maintaining 99.99% system uptime and delivering superior technical performance.

Work experience

Senior Lead Systems Administrator

Schrute Farms Global Cloud, Scranton, PA · Jan 2017 – Present

Architecting and managing a high-availability server farm hosting mission-critical enterprise applications, consistently achieving 99.99% uptime
Directing the firm's migration from on-premise hardware to a hybrid AWS/GCP architecture, resulting in a 40% reduction in TCO
Spearheaded the implementation of an automated configuration management system using Ansible, reducing manual deployment time by 80%
Directly responsible for the enterprise-wide security hardening and disaster recovery planning, coordinating bi-annual failover tests
Optimize network performance and storage protocols (SAN/NAS), improving data access speeds for 500+ remote employees by 60%
Lead a team of 4 systems engineers, overseeing professional training on containerization (Docker/Kubernetes)
Author of the company's "Internal Security Standards" manual, ensuring 100% compliance with SOC2 and GDPR requirements

Systems Administrator

Dunder Mifflin IT Hub, Scranton, PA · Jun 2013 – Dec 2016

Managed daily operations for 200+ physical and virtual servers across 5 regional branches
Implemented a new centralized backup and recovery solution, ensuring zero data loss during a critical hardware failure
Automated high-volume system patching and software updates using Python and Shell scripting
Provided essential Tier-3 technical support for complex networking and hardware-software integration issues
Conducted regular server health audits and performance tuning for high-traffic SQL databases

Junior Systems Engineer

Lackawanna Tech Solutions, Scranton, PA · Jun 2011 – May 2013

Assisted in the setup and configuration of internal network infrastructure (Cisco/Juniper)
Maintained Active Directory users, groups, and permissions for a growing organization
Provided frontline hardware support and conducted regular hardware maintenance for the server room
Documented system configurations and troubleshooting procedures for the internal knowledge base

Skills to put on a systems administrator resume

Linux/Unix & Windows Server
AWS/GCP Hybrid Cloud
Ansible & Terraform
VMware & KVM
Docker & Kubernetes
Active Directory/LDAP
Networking (TCP/IP/VPN)
Python & Bash Scripting
Security Hardening
Business Continuity

Education

Bachelor of Science in Information Sciences & Technology · Pennsylvania State University · May 2011

Projects

High-Availability Cluster Rollout: Designed and deployed a load-balanced, auto-scaling web cluster that handled 300% traffic spikes without performance degradation.
Enterprise DR Revamp: Lead the end-to-end redesign of the company's disaster recovery site, reducing target RTO/RPO from 24 hours to 15 minutes.

What makes this systems administrator resume work

Put the stack and scale up front: traffic, data volume, uptime or latency numbers.
Pair each tool with what you used it to achieve, so keywords read as results.
Link to code, a portfolio or a write-up when you can.

At mid-level, show growing scope: the size of what you owned, the people you worked with, and results that improved year over year.

Build your own systems administrator resume

Start from this mid-level example, paste a job description, and let the AI tailor your wording and keywords.

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