Marcin Borzym
Orlando,FL
Summary
Results-driven Network Engineer with a strong background in architecting advanced network solutions. Expert in SD-WAN and security compliance, consistently driving strategic initiatives that enhance enterprise connectivity and operational efficiency.
Overview
25
25
years of professional experience
1
1
Certification
Work History
Principal Engineer II
Charter Spectrum
Orlando, FL
03.2017 - Current
- Architected and deployed advanced network solutions in multi-vendor managed service environments, including full-stack managed Wi-Fi platforms.
- Designed and maintained multi-tenant service architectures, with compliance-ready templates and standardized security baselines.
- Defined, enforced, and optimized configuration and security standards across all managed deployments.
- Acted as the senior escalation point for complex implementations, addressing Wi-Fi design, SD-WAN challenges, and advanced routing scenarios.
- Partnered with sales engineers to provide technical design expertise in support of multimillion-dollar managed service contracts.
- Mentored and empowered junior engineers through technical brown-bag sessions and individualized coaching.
- Led strategic initiatives around SD-WAN, SASE, cloud readiness, and enterprise connectivity architecture.
- Evaluated, tested, and documented emerging vendor platforms before integration into the managed services portfolio.
- Contributed technical insight to product selection processes, and authored responses to formal RFPs and RFQs.
- Authored internal technical documentation to guide product development and standardize implementation workflows.
Principal Engineer
Bright House Networks
Orlando, Florida
07.2016 - 03.2017
- Established managed-services standards that boosted operational efficiency.
- Delivered engineering support and guidance to regional personnel for compliance with technical standards.
- Tested and reviewed systems and designs for managed customer and cell backhaul deployments.
- Designed L3VPN VRF-based MPLS services, including VPLS and ELAN topologies.
- Developed and maintained network designs, templates, and configurations for managed services.
- Assisted in certifying Bright House Networks as MEF compliant ISP for carrier-grade service offerings.
- Participated in high-level troubleshooting and root cause analysis across MPLS and customer environments, resolving IP connectivity issues through maintenance, configuration, and troubleshooting efforts.
Data Center Engineer
Walt Disney World Company
Kissimmee, Florida
01.2016 - 07.2016
- Configured and troubleshot Nexus 7k, 5k, and Fex extenders to ensure optimal performance.
- Resolved VPC, FabricPath, and server teaming issues to maintain system integrity.
- Maintained and configured Viprion/F5 load balancers for efficient traffic management.
- Executed preventative maintenance in data center following change management protocols.
- Oversaw operations systems to ensure reliability and performed emergency functions as needed.
Network Operations Engineer III – IP Services
Sprint
Reston, Virginia
01.2004 - 01.2016
- Provided 24/7 Tier 4 support for Global and MPLS customers.
- Troubleshot TCP/IP, Multicast, MPLS, IPSEC, DMVPN, BGP, OSPF, EIGRP, and ISIS issues.
- Analyzed routing and connectivity problems to enhance network performance.
- Maintained and configured Cisco IOS, XR, Juniper MX/SRX, Netscreen, and Fortigate firewalls.
- Interpreted Wireshark and pcap traces to identify faults in client connections.
- Supported Metro Ethernet infrastructure by fine-tuning QoS parameters to meet SLAs.
- Reviewed and approved engineering changes while validating core requirements in virtual lab environments.
Network Operations IP Dial Engineer – Voice Servic
Sprint
Reston, Virginia
02.2001 - 01.2004
- Delivered Tier 3 escalation support for Advanced Technical Services across all Network Elements.
- Maintained and tested Lucent ICD soft switches, APX8000, and 3COM Remote Access Servers.
- Conducted SS7 trunk testing and performed advanced SS7 network protocol analysis.
- Monitored and troubleshot A-Link involving 11 ICD switches connected with Sprint LTD Alcatel STPs.
- Isolated Telco issues related to OC3, DS3, T1, and analog lines as well as Sprint routers and switches.
- Executed translations, call routing, and conducted network capacity audits.
- Implemented and tested LNP soft switch code functionality.
CLEC Network Operations Engineer
Espire
Reston, Virginia
03.2000 - 02.2001
- Delivered Tier 3 support for 28 5ESS Lucent switches on call and off call.
- Executed translations, call routing, and traffic capacity audits.
- Engineered, tested, and migrated SS7 network to new pair of Eagle STPs.
- Managed NPAC LNP porting escalations effectively.
- Troubleshot physical and logical Telco issues across OC3s, DS0s, and analog circuits.
Education
Information Technology
University of Maryland Global Campus
Hyattsville, MDSkills
- Network architecture
- Wi-Fi design
- SD-WAN implementation (Fortinet, Meraki, Nuage)
- Security compliance
- Advanced routing (BGP, OSPF, EIGRP, DMVPN, ADVPN)
- Complex problem solving
- Advanced networking
- Technical documentation
- Product evaluation
- Solution architecture
Affiliations
- Exploring renewable energy and independent living solutions
- Committed to sustainable, off-grid living
Accomplishments
- 2024 Charter's Presidential Circle award - top 8% of performers nationwide.
Certification
- CCIE #45188
- CCIE Enterprise Infrastructure
- CCIE Service Provider
- CCNP, CCIP, CCNA, CCDP
- ONF Certified SDN Associate
Languages
Polish
Native/ Bilingual
References
References available upon request.
Timeline
Principal Engineer II
Charter Spectrum
03.2017 - Current
Principal Engineer
Bright House Networks
07.2016 - 03.2017
Data Center Engineer
Walt Disney World Company
01.2016 - 07.2016
Network Operations Engineer III – IP Services
Sprint
01.2004 - 01.2016
Network Operations IP Dial Engineer – Voice Servic
Sprint
02.2001 - 01.2004
CLEC Network Operations Engineer
Espire
03.2000 - 02.2001
Information Technology
University of Maryland Global Campus