Support Specialist It Systems

Ronald Barthelus

Cary, US, *****, 908-***-****, ************@*****.***

Professional summary

Resourceful and results-driven IT Professional with over 5 years of experience in systems support, network engineering, and cybersecurity. Proven ability to manage complex infrastructures, resolve technical issues efficiently, and lead cross-functional teams. Adept in Windows environments, network configurations, SIEM tools, and vulnerability management. Strong communicator with a passion for implementing secure, scalable solutions that align with business goals. Skills

Windows Server, TCP/IP, DNS, DHCP, VPN, Cisco, SIEM, ServiceNow, JIRA, VMware, Meraki, NIST, Security, Network Engineering, System Administration, Troubleshooting, Team Leadership, Cybersecurity Awareness, Cloud Solutions, IT Governance, Data Privacy, Disaster Recovery, Virtualization, Remote Support, Technical Support, Network Security, Systems Analysis, Problem Solving, Network Monitoring, Risk Assessment, Incident Management. Employment history

IT Systems Support Specialist, Jan 2024 - Present

WIFL, Apex, NC

• Resolved 75+ support tickets weekly, maintaining >95% customer satisfaction.

• Streamlined tech issue documentation, improving troubleshooting efficiency by 50%.

• Collaborated with leadership to reduce operational tech costs by 15%.

• Authored internal user guides to minimize repeat support cases. IT Systems Manager, Jan 2021 - Nov 2023

1804 Logistics Solutions, Raleigh, NC

• Led application implementation projects for logistics operations.

• Improved resource utilization by 23% via asset management strategy.

• Built an internal audit tracking system saving $100K and driving 99% compliance.

• Oversaw vendor relationships and internal team development. IP & Systems Engineer I – NOC, Jul 2019 - Dec 2020 CenturyLink (The Select Group), Wake Forest, NC

• Installed/configured IP and telecom systems supporting 500+ users.

• Achieved a 98% issue resolution rate and enhanced network uptime.

• Reduced latency by 20% using SolarWinds and Cisco Meraki monitoring.

• Delivered 90% first-call resolution with 4.7/5 average satisfaction rating. Wireless Network Engineer, Nov 2018 - Jul 2019

Perspecta (Randstad Technologies), Raleigh, NC

• Maintained 19,000+ APs and 500+ Wireless Controllers across a public-sector network.

• Delivered 99.9% network uptime with 95% SLA compliance on incident response.

• Enhanced wireless coverage via optimized Cisco Aironet AP configurations.

• Reduced latency by 15% through precise ISP router/VLAN protocol tuning. Education

B.S., Information Systems

Strayer University

GPA: 3.875

IT Systems Administrator

My Computer Career

Additional information

Certifications

CompTIA A+, Server+ • MTA: Networking Fundamentals, Windows OS & Mobility Fundamentals • Google Cybersecurity Professional • Certified GRC Analyst • Qualys Certified Specialist Courses

Google Cybersecurity Professional Certificate, Present Coursera

AWS Cloud Practitioner, Present

Udemy

Technical Sales Engineer

NGT Academy

Sales Development Rep Bootcamp

Vendition

Certified GRC Analyst

Simply Cyber School

Qualys Certified Specialist

Qualys Training

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