Devops Engineer Data Engineering

SCOTT STEFANOSKI

DevOps Engineer & Data Engineering Specialist

Mardela Springs, MD 410-***-**** ***************@*****.***

https://www.linkedin.com/in/scottstefanoski/ https://github.com/scottstef/

PROFESSIONAL SUMMARY

Experienced technical leader with 20+ years in systems engineering, DevOps, and data infrastructure. PhD candidate in Applied Computer Science with expertise in automation, cloud architectures, and infrastructure as code. Proven track record of designing secure, scalable solutions and leading technical initiatives in government, healthcare, and enterprise environments.

CORE TECHNICAL SKILLS

DevOps & Automation: Ansible, Terraform, Jenkins, Docker, Packer, Git versioning and actions

Cloud Platforms: AWS, Azure, GCP, VMware

Operating Systems: RHEL/CentOS, Ubuntu, Windows Server

Programming: Python, Bash, PowerShell, SQL

Networking: Cisco, Juniper, PfSense, Palo Alto

Data Systems: SQL Databases, Migration Tools, ETL Pipelines

PROFESSIONAL EXPERIENCE

Skyline Technology Solutions - SENIOR ENGINEER June 2023 - March 2025

●Troubleshooting and deployment of containers

●Led implementation of video product deployments, managing full customer lifecycle from technical setup to documentation and support

●Developed Python and SQL data processing and automation scripts that reduced data migration time by 60% for customer platform transitions

●Created and maintained Ansible playbooks for consistent, repeatable infrastructure deployment across client environments

●Designed and delivered technical training programs that improved junior team member proficiency.

Artisight SENIOR DEVOPS ENGINEER September 2022 - January 2023

●Implemented Terraform solutions for HIPAA-compliant healthcare environments.

●Collaborated with development teams to streamline CI/CD pipelines for medical software delivery.

Avaya AUTOMATION ENGINEER January 2022 - September 2022

●Architected network simulation environments using EveNG and GNS3 for pre-deployment testing of ansible playbooks to reduce testing costs and efforts.

●Developed automation scripts for network devices and virtualized infrastructure, resulting in 50% reduction in configuration time.

●Built CI/CD pipelines to create isolated customer environments within VMware using ansible.

Back In The Black SYSTEM ADMINISTRATOR November 2020 - January 2022

●Managed hybrid cloud infrastructure including Office 365, Azure Cloud, and on-premise systems

●Automated routine administrative tasks, reducing manual workload by 25%.

●Implemented security compliance measures and ensured SLA requirements were consistently met through Powershell scripts and Group Policy deployments.

NASA SENIOR SYSTEM and DATA ENGINEER/ TECHNICAL LEAD October 2013 - September 2020

●Designed, built, and managed data systems to transmit and receive flight instructions, data payloads, and ensure the data was shared to global customers using custom data management tools.

●Led migration initiatives from physical to virtualized environments, reducing hardware costs by 30%

●Designed and implemented hyper-converged Nutanix infrastructure and Rubrik backup systems.

●Architected CEPH storage cluster that provided 200% more capacity at 40% lower cost than traditional NAS.

●Developed Ansible playbooks and automation scripts that reduced system provisioning time by 65%

●Created secure, standardized OS templates for mission-critical systems.

●Managed secure network infrastructure using Juniper and Cisco switches, PfSense firewalls.

Howard Community College INFORMATION ASSURANCE LAB MANAGER November 2010 - October 2013

●Migrated physical classrooms to virtualized environment, reducing operational costs by 40%

●Designed deployment processes that decreased virtual classroom build time by 75% and storage costs by 90%.

●Led successful effort to obtain NSA 4013 certification and recertify 4011 program

●Implemented asset tracking system that improved inventory accuracy by 90%

EDUCATION & CERTIFICATIONS

PhD, Applied Computer Science (In Progress)

University of Maryland Eastern Shore

Master of Science, Data Science (Expected December 2025)

Eastern University

Master of Science, Information Technology (2005)

The Johns Hopkins University

Bachelor of Science, Information Technology (2003)

University of Phoenix

Certifications

●Red Hat Certified System Administrator (ID: 240-004-143)

●Red Hat Certified Engineer (Expected April 2025)

●Databricks Fundamentals

●Derive Insights from BigQuery Data Skill Badge from Google

PROJECTS

Distributed Storage Optimization (NASA)

●Designed and implemented self-healing CEPH storage cluster that reduced costs by 40% while improving reliability

Secure Mission Operations Virtualization (NASA)

●Led initiative to virtualize air-gapped mission networks, creating portable, secure infrastructure for the Atlas instrument

Automated Deployment Framework (Skyline)

●Developed end-to-end data migration progress for video product customer migrations, reducing setup time from days to hours for Identity Management integration.

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