Panagiotis Angelis

1. Network Infrastructure & Cisco Technologies

Routing & Switching

• Cisco IOS/NX-OS (Catalyst, Nexus, ISR/ASR)
• Switching: VLANs, VTP, STP/RSTP/MSTP, EtherChannel (LACP/PAGP)
• IP Subnetting (IPv4/IPv6)
• Cisco StackWise, VSS, VPC

Cisco-Specific Solutions

• Security: Cisco ASA/Firepower, ISE, VPN (IPSec/SSL)
• Wireless: Cisco WLC, Prime Infrastructure
• Data Center: Cisco Nexus (9K/7K)
• SD-WAN: Cisco SD-WAN, WatchGuard SD-WAN

2. Network Security

Firewalls & Endpoint Protection

• Firewalls: Palo Alto, StormShield, WatchGuard, Cisco Firepower
• MFA/Identity: WatchGuard AuthPoint, OneSpan DIGIPASS (OTP/Signature)
• XDR/Threat Protection: Cynet XDR, WithSecure Enterprise Edition
• Email/Web Security:
• Clearswift Secure Email Gateway
• Censornet (anti-spam, anti-phishing, ransomware protection)
• Clearswift Secure Web Gateway

3. System & Server Administration

• Windows Server: Deployment, patching, performance monitoring
• Virtualization: VMware administration
• Storage: SAN/NAS management (Dell EMC)
• Backup Solutions: Dell EMC Networker
• Active Directory: User/group policies, domain management

4. Monitoring & Tools

• Network Monitoring: SolarWinds, PRTG, Wireshark, Zabbix, Grafana
• Cisco Management Suites:
• Cisco Prime Infrastructure
• Cisco FMC (Firepower Management Center)
• Cisco Data Center Network Manager (DCNM)

5. General IT & Soft Skills

• Project Coordination: First point of contact for clients on technical/administrative matters.
• Technical Support: Escalated helpdesk ticket resolution.
• Documentation: Network diagrams, SOPs, incident reports.
• Communication: Liaising with end-users, IT teams, and stakeholders.

• Department: Project implementation & customer support department
• Participation in the following projects
• Integrated Information System of the IKA
• ELTA Integrated Information System
• Integrated Information System of the Children's Hospital Ag. Sophia
• Athens 2004
• Duties
• Installation, management and support of Microsoft Operating Systems
• Installation, management and support of network equipment (mainly Cisco products)
• Providing telephone support to all company customers (OAED, ELTA, IKA, OTE, OEK, etc.)
• Installation of information systems equipment in branches throughout Greece
• Participation in the Consortium of IT companies (KOEP Athens 2004) in the Microsoft Operating Systems support department
• AD User management, group, network security, Backup/Restore Administration in operational Microsoft systems
• Managing Exchange Server, Active Directory
• Install Oracle environment for users
• Use and installation of MS Office programs, Antivirus (F-Secure, Mc Affee, Norton).
• Technical support of users in hardware, network environment applications and MS Office
• LAN technical support (Switch, hubs, Vlans, configuration network equipment).
• Technical support of the branches and solving technical problems.
• Control and use of a centralized anti-virus management program (F-Secure).

IT Helpdesk Support Specialist – Toyota Hellas

(Seconded to IT Department)

Key Responsibilities & Achievements

• Provided 1st & 2nd-level technical support for Toyota Hellas employees, resolving hardware, software, and network issues.
• Supported Microsoft environments (Windows OS, MS Office, Exchange/Outlook).
• Troubleshot LAN connectivity, printer/scanner setups
• Assisted in IT asset management (laptops, mobiles, peripherals).

Network Technician & Helpdesk Support Specialist

(Local Network Support & Ticketing System Management)

• Computerized Accounting Clerk