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Lumen Solutions Group Inc.
Senior Network Engineer

Senior Network Engineer

On site

Philadelphia, United states

$ 75 /year

Senior

Freelance

27-02-2026

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Skills

Network Security Firewalls Wireshark Change Management TCP/IP

Job Specifications

We are hiring a Senior Network Engineer with 15+ years of experience in designing, implementing, and securing large-scale industrial LAN/WAN environments.

Key Responsibilities

Design, install, and configure routers, switches, and network infrastructure
Implement and manage firewalls, ACLs, object groups, and network security controls
Monitor networks, troubleshoot outages, and perform firmware/software upgrades
Lead network segmentation initiatives (VRF-lite) and support multi-site environments
Develop upgrade strategies and ensure minimal downtime through structured change management

Required Experience

15+ years of network engineering experience in industrial environments
Strong expertise in BGP, EIGRP, OSPF, VLAN, QoS, dynamic LAN/WAN
Experience with Ethernet/IP, Raw Socket, Serial Interface
Hands-on TCP/IP troubleshooting and packet analysis (Wireshark)
Extensive experience administering large, multi-site LAN/WAN networks
Strong firewall administration and network security knowledge
Proven analytical and root-cause troubleshooting skills

Preferred

Active Cisco CCNP certification or Siemens CPIN-Level
Bachelor’s degree in Computer Science, IT, or related field

About the Company

Lumen Solutions Inc., is a dynamic small and minority-owned, Disadvantaged Business Enterprise headquartered in Virginia, USA. As a leading consulting services and solutions provider, we focus on IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, Enterprise Transformation for our clients. Know more