Systems Engineer Network Security

SEAN CARROLL

Anderson, SC *****

574-***-**** **************@*****.***

linkedin.com/in/sean-carroll11/

PROFESSIONAL SUMMARY

Systems Engineer and U.S. Army Veteran with 6+ years of experience in systems engineering, IT operations, and network security across military and commercial environments. Proven ability to configure, optimize, and secure enterprise IT infrastructure, with hands-on expertise in networking, and design. Adept at implementing scalable system architectures, troubleshooting complex IT environments, and driving operational efficiency through infrastructure-as-code (IaC) and process automation. Currently pursuing CompTIA Cloud+ and Security+ certifications to expand cloud computing expertise and accelerate the transition into DevOps and cloud engineering roles.

●Project Management

●Information Assurance

●Network Security

●Monitoring Troubleshooting

●TCP / IP Configuration

●Network Design Administration

EDUCATION CERTIFICATION

Bachelor of Science (B.S.) Cloud Computing and Solutions

Purdue Global University Expected Completion, 2027

Full Stack Development Program Carolina Code School – Greenville, SC Jan. 2024 – Apr. 2024

Technologies: Python, React, Stripe (payment processing), Supabase (backend database), JavaScript, HTML/CSS, Postgres, MySQL,

Signature Project: SeanExperience - Implemented authentication, payment processing, and content management

TECHNICAL COMPETENCIES

Infrastructure & System Admin Active Directory, AESD, VoIP, GitHub

Monitoring & Troubleshooting: SCADA Systems, Ignition, PLC Programming

Networking & Security: TCP/IP, VLANs, Cisco Routers & Switches, Firewall Configurations, Security Compliance

Programming & Scripting: Python, JavaScript, SQL, PowerShell, React

PROFESSIONAL EXPERIENCE

Vertiv Anderson, SC May. 2024 – Present

System Engineer

Designed and implemented critical infrastructure solutions for hyper-scale data centers, focusing on scalability, reliability, and automation to support high-availability environments.

●Configured and managed complex networking infrastructure including managed switches, IP configurations, ring topologies, and fiber connections, ensuring 99.9% uptime for mission-critical data center operations

●Installed, programmed, and rigorously tested Energy Power Management Systems (EPMS) using automation principles and infrastructure methodologies, reducing deployment time by 35% while maintaining strict compliance standards

●Developed and optimized SCADA systems using Ignition, HMI, and PLC programming that enhanced real-time monitoring, automated distributed system controls, drove issue resolution efficiency, and increased operational visibility

●Implemented custom software protocols and created visualization dashboards that provided real-time infrastructure metrics, enabling more informed decision-making and proactive maintenance planning

●Collaborated with cross-functional teams to ensure system integration and performance requirements were met according to client specifications

SEAN CARROLL PG. 2

Army National Guard Lafayette, IN May. 2016 – May 2022

IT Specialist

Supported secure IT operations for mission-critical military systems with an emphasis on security, availability, and performance in high-stakes environments.

●Collaborated with a cross-functional team of 6 IT professionals to enforce and update security policies, ensuring infrastructure integrity and achieving 100% compliance with military security standards

●Implemented and maintained robust system monitoring solutions that detected and mitigated potential network threats before they impacted operational readiness

●Configured and troubleshot Cisco routers and switches to optimize network performance across distributed environments, resolving complex connectivity issues including satellite signal acquisition challenges

●Orchestrated comprehensive software security protocol updates across multiple systems, successfully eliminating vulnerabilities and preventing potential security breaches

●Managed critical backup and data protection systems for sensitive military information, implementing automated processes that ensured data integrity and rapid disaster recovery capability

●Resolved 10-15 service desk tickets daily through the Army enterprise service desk, prioritizing issues based on operational impact and achieving an average resolution time of under 4 hours

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