SR NETWORK ENGINEER

TechDigital Group; Philadelphia (Philadelphia County); On-site; USD 120,000 - 160,000; Full time

Job summary

TechDigital Group is seeking an experienced Senior Network Architect to conduct an end-to-end assessment of a mission-critical enterprise network environment. The role covers LAN, WAN, WLAN, data center and hybrid/cloud connectivity, with hands-on Cisco switches and wireless APs, plus VeloCloud SD-WAN expertise.

You will deliver an Enterprise Network Assessment Report and an executive presentation, translating technical findings into business risk and impact.

Qualifications

• Experience assessing enterprise LAN, WAN, WLAN, data center, and hybrid/cloud connectivity.
• Strong hands-on architecture experience with Cisco enterprise switches and wireless APs.
• Knowledge of SD-WAN architectures, especially VeloCloud, and network security concepts.

Responsibilities

• Assess current-state enterprise LAN, WAN, WLAN, Data Center and hybrid/cloud connectivity.
• Review core, distribution and access-layer architecture, topology and segmentation.
• Assess routing, switching, redundancy, convergence and failover design.
• Evaluate MPLS, Internet, VPN, SD‑WAN and hybrid connectivity architecture.
• Review wireless architecture for coverage, capacity, resiliency and scalability.
• Assess network security architecture, including segmentation, trust boundaries, firewalls and IDS/IPS integration.
• Identify architectural gaps, technical debt, operational risks and constraints.
• Develop current-state and conceptual future-state architecture diagrams.
• Define target design principles around resiliency, simplicity, security, automation, and scalability.
• Produce an Enterprise Network Assessment Report and Gap Analysis.
• Prepare and deliver an executive-level presentation of key findings, risks and recommendations.

Skills

Cisco switches

Wireless APs

VeloCloud SD-WAN

MPLS/VPN

Tools

Cisco switches

Wireless APs

VeloCloud SD-WAN

Job description

Top Skills:

• Cisco Edge Network Sec Sol
• Core Network/Core Network - Wireless
• Mobility R&D

We are looking for an experienced Senior Network Architect to conduct an end-to‑end assessment of a mission-critical enterprise network environment.

Key Responsibilities & Skills:

• Assess current-state enterprise LAN, WAN, WLAN, Data Center and hybrid/cloud connectivity.
• Strong hands‑on architecture experience with Cisco enterprise switches and wireless Access Points.
• Strong knowledge of VeloCloud SD‑WAN architecture and design.
• Review core, distribution and access-layer architecture, topology and segmentation.
• Assess routing, switching, redundancy, convergence and failover design.
• Evaluate MPLS, Internet, VPN, SD‑WAN and hybrid connectivity architecture.
• Review wireless architecture for coverage, capacity, resiliency and scalability.
• Assess network security architecture, including segmentation, trust boundaries, firewalls and IDS/IPS integration.
• Review DNS, DHCP and IPAM services and dependencies.
• Identify physical and logical single points of failure across devices, circuits, power and network paths.
• Evaluate overall network availability, resiliency and disaster recovery readiness.
• Assess network performance, capacity and future scalability.
• Evaluate operational maturity covering monitoring, logging, alerting and observability.
• Assess alert fatigue, incident response readiness and troubleshooting processes.
• Review configuration management, change control and network documentation practices.
• Identify architectural gaps, technical debt, operational risks and constraints.
• Develop current-state and conceptual future-state architecture diagrams.
• Define target design principles around resiliency, simplicity, security, automation and scalability.
• Recommend practical improvements based on business impact, risk, complexity and dependencies.
• Develop a prioritized network transformation/remediation roadmap with high-level implementation phases.
• Conduct technical discovery and architecture workshops with customer stakeholders.
• Produce an Enterprise Network Assessment Report and Gap Analysis.
• Prepare and deliver an executive-level presentation of key findings, risks and recommendations.
• Must be capable of translating technical findings into business risk and operational impact.
• Strong stakeholder management, documentation, presentation and consulting skills required.