Network Engineer L3

Network Engineer L3

Location is New York - Onsite 5 positions Years of experience required: Preferably 15+ Day 1 onsite: Yes strong experience in SD-WAN (Viptela)

Scope: Experienced Senior network engineer required which aims to modernize and enhance the US network infrastructure to improve reliability, security, and user experience. Key initiatives include replacing end-of-life LAN network hardware and provisioning high-speed internet connectivity services overlayed with new CISCO SDWAN technology.

Responsibilities:

• Design, implement, and maintain WAN, LAN, and SDWAN infrastructure, ensuring high availability, security, and scalability.
• Provide technical expertise and strategic guidance on network architecture, upgrades, and emerging technologies to meet evolving business needs.
• Translate business requirements into technical solutions, producing low-level designs and solution implementation.
• Lead network projects, acting as both team leader and individual contributor to deliver on time and within budget.
• Collaborate with internal stakeholders and managed service providers, ensuring requirements are understood and met effectively.
• Create and maintain comprehensive network documentation, including configurations, designs, standards, and operational processes.
• Assist with incidents & escalations related to networking services or performance, troubleshooting to resolution the problem areas as needed.
• Ensure compliance with security and reliability standards, implementing best practices for network resilience and risk mitigation.
• Produce and gain peer review approvals of RoC (Record of Change) documents for network changes.
• Gain change management approvals for network changes by submitting well-formed ServiceNow change requests with all required details.
• Stay current with industry trends and technologies, recommending improvements and innovations to enhance network capabilities.
• Prepare operational readiness: create/maintain configuration standards, as-built documentation, and support runbooks; store artefacts in SharePoint; hand off for UTOC management.

Key Skills and Expertise Required:

• Minimum Cisco CCNP certification level required
• CCIE certification is desirable
• In depth knowledge of Wireless LAN and NAC solutions (Cisco WLAN, Cisco ISE, Aruba WLAN, Aruba ClearPass)
• In depth knowledge of SD-WAN solutions (CISCO Viptela)
• In depth knowledge of routing protocols (BGP, OSPF), carrier WAN and Internet services.
• In-depth knowledge of Cisco LAN switching technologies including STP, RSTP, MSTP, VLANs, EtherChannel and switch stacking.

Proficient in configuring and troubleshooting Layer 2 and Layer 3 switches, implementing QoS, and managing network segmentation and redundancy.

Ability to produce detailed designs, implementation plans, and operational support documents.

Strong stakeholder engagement and coordination across multiple environments.