William Herzfeld
Pueblo
Summary
Dynamic Network Engineer with extensive experience at Planned Parenthood Mar Monte, excelling in network architecture and security implementation. Proven expertise in Cisco equipment management and vendor relations, coupled with strong troubleshooting skills. Recognized for optimizing WAN performance and delivering robust solutions in high-pressure environments.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Network Engineer & Voice Architect
Planned Parenthood Mar Monte
San Jose
06.2021 - 11.2024
- Customer LAN/WAN/SDWAN and VPN Support
- Wireless Access Point Configuration
- Configuration and Management of Various Cisco Equipment Including Routers, Switches, Firewalls Which Uses a Variety of Routing Protocols Including IP Routing, EIGRP, OSPF and BGP
- Responsible For All Network Documentation
- Responsible For Network Architecture Decisions and Purchasing Recommendations
- Travel to Site Locations for Network Infrastructure Installs
- Telecommunications Cabling Installation
- Ordering of LAN/WAN Circuits
- Network Monitoring
- Vendor Management For New and Existing Infrastructure
- RingCentral, Nice InContact Contact Center, and QoS
Senior Network Engineer & Voice Engineer
Symmetrix Solutions
Greenwood Village
06.2014 - 06.2021
- Customer LAN/WAN and VPN Support
- Wireless Access Point Configuration
- Configuration and Management of Various Cisco Equipment Including Routers, Switches, Firewalls Which Uses a Variety of Routing Protocols Including IP Routing, EIGRP and BGP
- Responsible For All Network Documentation
- Responsible For Network Architecture Decisions and Purchasing Recommendations
- Travel to Customer Locations for Network Infrastructure Installs
- Telecommunications Cabling Installation
- Ordering of LAN/WAN Circuits
- Network Monitoring
- Vendor Management For New and Existing Infrastructure
- Cisco Call Manager, Cisco Unity, Cisco Contact Center, Cisco IM&P, QoS
Senior Network Engineer
Renal Ventures Management
Lakewood
06.2012 - 06.2014
- Customer LAN/WAN and VPN Support
- Wireless Access Point Configuration
- Configuration and Management of Various Cisco Equipment Including Routers, Switches, Firewalls Which Uses a Variety of Routing Protocols Including IP Routing, EIGRP and BGP
- Maintenance of Internal Network Equipment and Configuration
- Responsible For All Network Documentation
- Responsible For Network Architecture Decisions and Purchasing Recommendations
- Travel to Customer Locations for Network Infrastructure Installs
- Telecommunications Cabling Installation
- Ordering of LAN/WAN Circuits
- Network Monitoring
- Vendor Management For New and Existing Infrastructure
- Ensuring HIPPA Compliance Within The Network
T2 Network Engineer
Critigen
Greenwood Village
07.2009 - 06.2012
- Administration of Cisco Call Manager Multiple Platforms
- Customer LAN/WAN Support and Installation
- Cisco VPN Configuration and Support
- Wireless Access Point Configuration
- Configuration and Management of Various Cisco Equipment Including Routers, Switches, Firewalls Which Uses a Variety of IOS’s.
- Maintenance of Internal Network Equipment and Configuration
- Order, Install and Maintain Customer Connectivity Via Various Technologies Including DSL, T1’s, MPLS and Metro Over Ethernet
- Creation of Customer Support Documentation
- On Call Network Support
- Telephone, Ethernet, and T1 Cabling Installation and Support
- Change Control Management
- Vendor Management For New and Existing Infrastructure
T2 Network Engineer
CH2MHILL
Greenwood Village
03.2006 - 07.2009
- Administration of Cisco Call Manager Multiple Platforms
- Customer LAN/WAN Support and Installation
- Cisco VPN Configuration and Support
- Wireless Access Point Configuration
- Configuration and Management of Various Cisco Equipment Including Routers, Switches, Firewalls Which Uses a Variety of IOS’s.
- Maintenance of Internal Network Equipment and Configuration
- Order, Install and Maintain Customer Connectivity Via Various Technologies Including DSL, T1’s, MPLS and Metro Over Ethernet
- Creation of Customer Support Documentation
- On Call Network Support
- Telephone, Ethernet, and T1 Cabling Installation and Support
- Change Control Management
- Vendor Management For New and Existing Infrastructure
Education
Technical Degree - Business/Computer Science
Northwest Kansas Area Vocational Technical School
Goodland, Kansas05.1997
Skills
- Collaborative
- Microsoft office proficiency
- Networking and routing protocol expertise
- Third-party integration
- Remote work support
- Organized and detail oriented
- Network security implementation
- DHCP configuration
- Equipment configuration
- Datacenter network implementations
- Networking protocol expertise
- Technical support
- Verbal and written communication
- Network security
- Wide area network optimization
- Bandwidth evaluations
- Network debugging
- Wireless networking proficiency
- Security architecture and technologies
- Layer-2/3 protocols
- Firewall security
- Network system design
- IP addressing and subnetting
- Disaster recovery planning
- Documentation writing
- Hardware installation
- Cisco wireless routers and switches
- Virtual private networks
- Network security architecture
- Firewall technology expertise
- Cost estimation
- Strong troubleshooting skills
- Configuration management
- Infrastructure planning and design
- Network troubleshooting
- Team leadership qualities
- Network monitoring tools
- Quality of service management
- Proactive and team player
- Network hardware upgrades
- Change management
- Performance improvement
- Network performance analysis
- Network optimization
Accomplishments
- Successfully implemented SDWAN technology
- Reduced overall voice costs across the organization
- Reduced data circuit costs
- Increased overall network performance and reliability
Certification
- Networking +
References
References available upon request.
Timeline
Network Engineer & Voice Architect
Planned Parenthood Mar Monte
06.2021 - 11.2024
Senior Network Engineer & Voice Engineer
Symmetrix Solutions
06.2014 - 06.2021
Senior Network Engineer
Renal Ventures Management
06.2012 - 06.2014
T2 Network Engineer
Critigen
07.2009 - 06.2012
T2 Network Engineer
CH2MHILL
03.2006 - 07.2009
Technical Degree - Business/Computer Science
Northwest Kansas Area Vocational Technical School
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