Senior Network Infrastructure Engineer - SNIE 25-24590

Overview

On Site
Depends on Experience
Accepts corp to corp applications
Contract - Independent
Contract - W2
No Travel Required

Skills

VMware
Virtual Private Network
Wireless Communication
Wireshark
SLA
Spanning Tree Protocol
Performance Testing
Problem Solving
QoS
Routers
NetScout
IaaS
Inspection
Load Balancing
Management
Microsoft Azure
EIGRP
Communication
Computer Networking
Core Data
Data Centers
Cisco Certifications
ASA
Splunk
Switches
TCP/IP
Tcpdump
VLAN
Network Administration
GRE
Google Tag Manager (GTM)
IPsec
IQ
Microsoft Visio
Network
Cloud Architecture
Cloud Computing
Collaboration
Documentation
F5
Firewall
Amazon Web Services
Application Support
Border Gateway Protocol
Cisco
Cisco PIX
Network Security
Nexus
OSPF
Routing Protocols
SIEM

Job Details

Job Title: Senior Network Infrastructure Engineer

Location: Brooklyn, NY 11201

Duration: 24 Months

Job Description:

We are seeking an experienced Senior Network Infrastructure Engineer to support day-to-day operational needs and contribute to several key IT initiatives. The successful candidate will play a vital role in modernizing and optimizing the organization s networking and infrastructure systems across administrative buildings and data centers.

Key Projects & Responsibilities:

  • NGN Site Refresh: Collaborate with internal teams and vendors to upgrade administrative buildings with advanced networking and wireless technologies.

  • Data Center Modernization: Participate in the upgrade and modernization of core data centers, including the implementation of a hybrid cloud architecture.

  • Application Support Services: Work closely with application teams to provide load-balancing, problem resolution, and performance testing support.

Core Duties:

  • Lead network administration activities: equipment installation, configuration, upgrades, and troubleshooting.

  • Configure and maintain Cisco network equipment: Nexus, ASR, ACI, Catalyst, and SDWAN.

  • Provide design and support for Cisco ASA and FirePOWER firewalls, including VPNs and tunneling protocols (AnyConnect, isakmp/IKEv2, IPSEC, GRE).

  • Implement and support routing protocols and network technologies such as BGP, EIGRP, OSPF, VXLAN, STP, TCP/IP, QoS, and VLANs.

  • Collaborate on application load balancing with F5 and NSX Load Balancer (Avi Networks).

  • Perform deep packet inspection using tools such as Wireshark, tcpdump, and Netscout.

  • Manage Azure and AWS cloud networks and firewall configurations.

  • Support the planning, upgrading, and monitoring of network security measures.

  • Resolve outages with vendors and meet SLA requirements.

  • Document procedures and network diagrams using Visio or Lucidchart.

Mandatory Qualifications:

  • 8+ years configuring and troubleshooting Cisco routers/switches (Nexus 9k/7k/5k, ASR, Catalyst, ACI)

  • 8+ years with routing protocols (BGP, OSPF, EIGRP)

  • 5+ years in network security (Cisco ASA & Firepower)

  • 5+ years with F5 Load Balancing (LTM, GTM, BIG-IQ)

  • 5+ years of packet analysis

  • Experience with SDWAN, vManage, Meraki

  • Hands-on experience with VMware NSX and NSX Advanced Load Balancer

  • Strong background in Azure/AWS cloud infrastructure and ExpressRoute

  • Experience with Splunk SIEM and SPL

  • Knowledge of and commitment to implementing network security best practices

  • Relevant certifications (e.g., CCNP, VMware)

  • Prior experience supporting education sector projects is preferred

  • Excellent communication skills, both written and verbal

  • Strong documentation and process orientation

  • Self-motivated and able to work independently or in a team

Additional Notes:

  • Must provide three professional references with the submission.

  • Local candidates preferred due to onsite requirements.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.