Apollo Liewa
IT Support Specialist
Kingston,NY
Summary
CCNA-certified IT Support Specialist with 3+ years of hands-on experience managing enterprise infrastructure, endpoint provisioning, and network troubleshooting across multi-building environments. Developed and deployed a custom imaging server that reduced system rollout time by 35%. Taught a full-semester CCNA course covering OSPF, EIGRP, NAT/PAT, and subnetting — demonstrating both technical depth and instructional skill. Supported 100+ end users through Active Directory, Mosyle Device Manager, and CheckPoint NDR, with a growing focus on MPLS, GRE, XGS-PON, and transport technologies.
Overview
3
3
years of professional experience
1
1
Certificate
Work History
IT Support Specialist
Ulster BOCES
09.2022 - Current
- Resolved 50+ IT issues weekly, ensuring efficient system uptime and network reliability
- Configured and maintained Active Directory, managing user access and network security protocols.
- Collaborated with senior staff in CheckPoint Infinity NDR, assisting with network security monitoring
- Gained hands-on experience in MS Sentinel SIEM, learning to configure playbooks and analyze security alerts.
- Developed practical firewall configuration skills, assisting in reviewing security policies and network segmentation best practices.
- Exposure to Microsoft Azure Security, including Defender ATP and Secure Score, researching security hardening strategies.
- Performed hardware maintenance, including troubleshooting network connectivity issues, APs, and replacing RJ-45 capstones.
Adjunct Instructor (CCNA Course)
Ulster BOCES, SUNY Ulster
01.2025 - 05.2025
- Taught CCNA networking principles, preparing students for Cisco certification exams.
- Designed hands-on labs focusing on secure network configurations and incident response scenarios
- Taught CCNA courses, providing instruction to up to 7 undergraduate students.
Education
Associate of Applied Science - Network Administration
Ulster County Community College
Stone Ridge, NY08.2025
Skills
- Routing Protocols: BGP, OSPF, EIGRP, ISIS, and Segment Routing (SR-MPLS)
- Transport & Fiber Technologies: XGS-PON, DWDM, coherent optics, and ROADM
- Network Design & Documentation: Creating MOPs, topology diagrams, and scalable architecture plans
- Traffic Management: QoS, CoS, traffic shaping, classification, policing
- Security & Redundancy: DoS protection, flooding mitigation, firewall configuration, and resilient failover design
- Provisioning & Automation: Low-touch provisioning, network automation tools, config templating (like Ansible or Python scripts)
- Systems & Tools: IOS-XR, JUNOS, SNMP, Syslog, DHCP, DNS, AAA, VPNs
- Cybersecurity and Risk Assessment: CheckPoint Infinity NDR
Certification
- Cisco Certified Network Associate (Issued: July 2024)
- Actively pursuing CCNP & Security
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Adjunct Instructor (CCNA Course)
Ulster BOCES, SUNY Ulster
01.2025 - 05.2025
IT Support Specialist
Ulster BOCES
09.2022 - Current
Associate of Applied Science - Network Administration
Ulster County Community College
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