Dakota S.
Sr. Linux/Windows Systems Administrator
dakota.s@email.com | (555) 000-0000 | Philadelphia
Professional Summary
Senior Systems Administrator with 7 years of experience managing Linux and Windows environments at scale. Specialises in automation, CI/CD pipelines, and security hardening for hybrid infrastructures. Committed to observability-driven reliability and developer-friendly operations.
Skills
- Linux
- Agile
- Scrum
- Python
- Communication
- Windows Server
- Docker
- Terraform
Experience
Sr. Linux/Windows Systems Administrator — Lockheed Martin
- Automated configuration management across 500+ Linux and Windows nodes using Ansible, reducing drift by 95%.
- Architected hybrid-cloud observability stack with Grafana and Prometheus, cutting incident MTTR from 60 minutes to 15.
- Spearheaded Zero Trust initiative, implementing micro-segmentation that lowered attack surface by 40%.
- Optimised CI/CD pipelines for 10+ product teams, increasing deployment frequency from biweekly to daily.
- Led cross-functional workshops to elevate DevSecOps practices, improving compliance audit scores by 30%.
Systems Analyst — Accenture
- Provisioned and secured AWS environments supporting 200+ microservices with Terraform and GuardDuty.
- Reduced manual incident response toil by 50% through runbook automation and playbook training.
- Implemented cross-region DR strategy for SaaS products, achieving RTO/RPO targets of under 1 hour.
- Mentored junior engineers on Linux hardening and Windows patching best practices.
- Standardised observability tooling across client projects, enabling real-time SLO tracking.
Education
B.S. Software Engineering
National University of Singapore
Certifications
- AWS Certified Solutions Architect – Associate
- Red Hat Certified Engineer (RHCE)
- Microsoft Certified: Azure Administrator Associate