Network Infrastructure Specialist

1 week ago

Brighton, Brighton and Hove, United Kingdom American Express Full time

Transforming Technology, Transforming Lives.

At American Express, we're committed to delivering exceptional customer experiences through innovative technology solutions. As a Network/Wireless Infrastructure Engineer, you'll play a critical role in designing, implementing, and maintaining our campus wireless and remote access engineering services.

Key Responsibilities:

  • Lead the development and implementation of wireless network security platforms.
  • Collaborate with cross-functional teams to analyze current state systems, gather requirements, and document technical designs.
  • Provide estimates, engineering, implementation, and review of campus wireless and remote access designs.
  • Develop and maintain technical design and implementation documentation.
  • Lead test planning and execution of configuration and implementation deployments.
  • Consult with project teams to prepare user services and components for production.
  • Work with the GNOC Incident Management team to identify monitoring gaps and analytics requirements.
  • Coach and mentor colleagues to ensure knowledge sharing and skill development.

Requirements:

  • Bachelor's Degree in Computer Science or related field, or equivalent experience in Enterprise Networking technologies.
  • Proven experience engineering and supporting large-scale multi-vendor enterprise networks.
  • Experience with RF and designing WiFi networks for campus locations.
  • CWNA certification knowledge base.
  • Knowledge of IEEE wireless standards (802.11 g,n,ac,ax), 2.4, 5, and 6Ghz.
  • Knowledge of RF, WLAN design, site surveying a plus.
  • Experience with AAA Authentication Authorization Accounting.
  • Experience with RADIUS and/or TACACS.
  • Experience with ClearPass/ISE.
  • Experience integrating with ADS and/or MFA.
  • Experience with server Certificate management.
  • Experience with ticket system (ServiceNow).
  • Strong troubleshooting skills.
  • Experience with various network, wireless, and remote access vendors to include but not limited to Aruba, Cisco.
  • Knowledge of routing, switching, and network technologies such as Spanning Tree, 802.1Q, Port-Channels, 802.1x, QoS, VLANs, SVIs, and Multicast.
  • Knowledge of engineering tools – Wireshark, PCAP, SSH, Putty.
  • Good understanding of security infrastructure, including firewall concepts.
  • Requires professional written and verbal communication skills.
  • Must be able to function effectively both individually and within a team.

What We Offer:

  • Competitive base salaries.
  • Bonus incentives.
  • Support for financial-well-being and retirement.
  • Comprehensive medical, dental, vision, life insurance, and disability benefits (depending on location).
  • Flexible working model with hybrid, onsite, or virtual arrangements depending on role and business need.
  • Generous paid parental leave policies (depending on your location).
  • Free access to global on-site wellness centers staffed with nurses and doctors (depending on location).
  • Free and confidential counseling support through our Healthy Minds program.
  • Career development and training opportunities.

Equal Employment Opportunity:

Offer of employment with American Express is conditioned upon the successful completion of a background verification check, subject to applicable laws and regulations.

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