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Alphonso Greene

@alphonsogreene

Technical Support Specialist skilled in networks, systems, and troubleshooting.

United States
Message

What I'm looking for

I seek a hands-on IT role supporting systems and networks where I can troubleshoot complex issues, contribute to infrastructure improvements, and grow into broader systems or infrastructure responsibilities within a collaborative, process-driven team.

I am a detail-oriented IT Technical Support Specialist with experience delivering Tier 2 and Tier 3 support across desktop, remote, and field environments for government and private-sector clients. I have managed Active Directory and RBAC, supported virtual desktop infrastructure, coordinated hardware upgrades, and improved system performance and user satisfaction through effective troubleshooting and clear communication.

I have practical experience with Office 365, Windows OS, networking (LAN/WAN), container deployment on Google Kubernetes Engine, web technologies (HTML/CSS/JavaScript), and server migrations from physical to virtual environments. I hold an active Secret clearance and a consistent record of meeting ticket goals, creating SOPs, and training new agents to maintain operational efficiency.

Experience

Work history, roles, and key accomplishments

SI

E-VIP Analyst

Subsidium, Inc.

Oct 2024 - Sep 2025 (11 months)

Delivered Tier 2 support for the U.S. Coast Guard IMS program across remote, desktop, and field environments, managing Active Directory and RBAC and coordinating hardware and mobile device upgrades to improve operational readiness.

PM

IT Technical Support Specialist

Parker MacIntyre

Dec 2023 - Oct 2024 (10 months)

Monitored IT help desk tickets and maintained systems and network equipment, deployed containerized apps on GKE, and led hardware and server migration work to improve system stability and reduce downtime.

Leidos logoLE

NMCI Tier III Help Desk Agent

Dec 2022 - Dec 2023 (1 year)

Served as contracted administrator for NGEN SMIT, exceeding ticket goals, authoring SOPs, training agents, and resolving hardware, software, and network issues to maintain high compliance and support metrics.

Education

Degrees, certifications, and relevant coursework

IS

Indian River High School

High School Diploma, General Education

High School Diploma awarded in June 2013 with coursework preparing for technical and vocational roles.

Tech stack

Software and tools used professionally

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