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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Network Engineer - **Company:** Brenntag North America, Inc. - **Location:** Reading, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Spanning Tree Protocols, Cloud Computing, Cyber Security, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Enhanced Interior Gateway Routing Protocol, Hot Standby Router Protocol, IP Address Management, Virtual Private Networks (VPN), Python (Programming Language), Local Area Networks, Network Security, Network Architecture, Network Monitoring, Routing, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Scrum Methodology, Ansible, Zero Trust Network Access, TCP/IP, Virtual Local Area Networks, Virtual Router Redundancy Protocols, Wide Area Networks, Network Switches, Network Routers, Dynamic Routing, HybridCloud, Firewalls (Computer Science), Juniper, SolarWinds (Software), Cacti, Patch Management, Fortinet, Firewall Services Module, Terraform, Open Network Automation Platform, Cisco - **Published:** October 25, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=d42ed0d48c787d98 ## About the Role Experience Level: 5+ years of hands-on enterprise network engineering, including a senior or lead role in complex, multi-site, global environments. * Protocols & Routing: Expert-level knowledge of TCP/IP, dynamic routing protocols (BGP, OSPF, EIGRP), Spanning Tree, HSRP/VRRP, VLANs, and QoS. * Hardware Providers: Deep expertise with enterprise networking equipment such as Cisco, Cisco Meraki, Aruba, Fortinet, or Juniper, including design, deployment, and advanced troubleshooting. * Network Automation: Strong scripting and automation skills using Python, Terraform, or Ansible to automate infrastructure tasks and build reusable, version-controlled configurations. * Network Monitoring: Hands-on experience designing and operating monitoring with systems such as SolarWinds, Cacti, or PRTG, including alerting and capacity planning. * Services Management: In-depth experience managing core network services including DHCP, DNS, and IP address management (IPAM) at enterprise scale. * Ways of Working: Experience with agile frameworks at scale (Scrum, Kanban) and contributing to agile transformation; relevant senior-level certifications (e.g. CCNP/CCIE or equivalent) are a strong plus. Other Requirements: * Problem-Solving: Excellent root-cause analysis and decision-making skills to lead and resolve high-pressure, business-critical outages. * Communication: Ability to explain complex infrastructure topologies to both technical peers and non-technical stakeholders, and to produce clear documentation and designs. * Collaboration & Leadership: Proven ability to work effectively with and provide technical leadership to Network Engineers, Architects, Security teams, and Project Managers across the organization. ## Description Network Architecture & Design Leadership: Define architecture standards and lead the design and deployment of scalable, resilient Local Area Networks (LAN), Wide Area Networks (WAN), SD-WAN, and wireless systems across multiple global sites. Infrastructure Ownership: Own the configuration, lifecycle, and advanced troubleshooting of routers, firewalls, network switches, and wireless controllers, setting configuration baselines and best practices for the team. Network Security: Design and maintain firewall policies, secure Virtual Private Networks (VPNs), segmentation, and Zero-Trust principles in close collaboration with the Information Security team. Performance & Reliability: Define monitoring strategy and KPIs, analyze network health to proactively prevent latency, packet loss, and outages, and lead root-cause analysis for major incidents. Infrastructure Upgrades & Lifecycle: Plan and govern hardware replacements, patch management, and system upgrades, including change management and risk assessment for business-critical environments. Disaster Recovery & Resilience: Design and validate failover mechanisms, backup strategies, and business continuity plans, ensuring recovery objectives (RTO/RPO) are met. Cloud & Hybrid Networking: Architect and manage virtual and hybrid cloud networking environments across AWS, Azure, or other cloud providers, including connectivity, routing, and security integration. Automation & Standardization: Drive network automation and Infrastructure-as-Code initiatives to reduce manual effort, improve consistency, and accelerate delivery. Technical Leadership & Mentoring: Provide technical guidance and mentoring to network engineers, review designs, and represent the network domain in cross-functional and architecture forums.