Sr. Network Engineer

Sr. Network Engineer

Duration: 12 Months

Work location: New Yolk Metropolitan area; 30% travel

PLEASE NOTE:

This position will conduct simulation test and onsite interviews. Please prescreen candidate hands on experience before submitting.

Key requirements:

• 100% hands-on experience(To be tested on simulation exercises in CCNPEnterprise (ENSLD, ENARSI, ENWLSD) and/or CCNP Security (SISE))
• Design enterprise networks - switching and routing
• Solid background and understanding of Aruba or Cisco wireless
• Strong experience in collaborating with multi-disciplinary teams, including vendors, carriers, facilities, security, accounting, overseas team, and others.
• Expertise in understanding and implementing network access control, authentication, authorization, and identity directories, like Active Directory.

Key Responsibilities:

• Design and architect scalable, secure, and high-performing Wi-Fi networks for enterprise corporate offices, campuses, and remote sites.
• Conduct wireless site surveys (predictive and physical) using tools like Ekahau or AirMagnet.
• Oversee the installation, configuration, and tuning of wireless access points (APs), controllers, and related infrastructure (e.g., Aruba, Cisco, Meraki, Ruckus).
• Develop and implement Wi-Fi security standards, including WPA3, 802.1X, RADIUS integration, and rogue AP detection.
• Monitor wireless network performance, capacity, and usage to identify and resolve coverage issues and bottlenecks.
• Collaborate with other network, security, and application teams to ensure seamless connectivity and integration.
• Lead or support large-scale wireless projects, including upgrades, redesigns, and new deployments.
• Expert understanding of Layer 2/Layer 3 networking
• Technically proficient at building highly resilient networks in an enterprise
• Strong knowledge of network management platforms
• Maintain and update documentation: network diagrams, SOPs, and topology maps.
• Provide mentorship to junior network engineers and assist with technical training initiatives.
• Ensure compliance with organizational policies and industry standards (e.g., PCI-DSS, HIPAA).
• Participate in on-call rotation and respond to critical wireless outages or performance incidents.

Required Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent work experience).
• 5+ years of experience in network engineering with at least 3 years focused on enterprise wireless networking.
• Strong hands-on experience with enterprise Wi-Fi solutions (Cisco, Aruba, Meraki, etc.).
• Proficient in wireless standards and technologies: 802.11a/b/g/n/ac/ax, MIMO, beamforming, channel planning.
• Familiar with authentication methods such as RADIUS, EAP, and Active Directory integration.
• Skilled in using Wi-Fi tools like Ekahau, NetSpot, Wireshark, and spectrum analyzers.
• Understanding of networking protocols: TCP/IP, VLANs, DHCP, DNS, QoS, etc.

Preferred Certifications:

• CWNA, CWDP, CWSP, or other CWNP certifications
• Cisco or HPE Wireless (e.g., CCNP Wireless)
• Aruba Certified Mobility Professional (ACMP)
• Ekahau Certified Survey Engineer (ECSE)