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Senior Network Architect

Location:
Oxford
Company:
Cognizant

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Senior Network Architect Oxford
Profile Summary:Expertise in Design/Operations/Maintenance of Telecommunication/Networking and security systems. Result-oriented, quality-driven, business-savvy professional with broad IT exposure, technologically-advanced IT/networking solutions to meet challenging multinational business demands.
Roles and Responsibilities:The roles and responsibilities of Sr. Network Architect are as follows:
  • Conduct network architecture design, feasibility and cost studies

  • Support the sales team on RFP/RFI/RFS

  • Design, analyze, plan, and modify network components supporting customer communication implementation activities

  • Propose and implement system enhancements (software and hardware updates) that will improve the performance and reliability of the system

  • Plan, design and implement networked systems, including configurations, and supports/troubleshoots network problems

  • Develop and evaluate network performance criteria and measurement methods

  • Prepare the analysis of the capacity needs for network infrastructure

  • Build technical capabilities on next gen technologies

  • Survey network requirements of remote customer offices, campus buildings, and Data Centers.

  • Configure routing protocols such as EIGRP, OSPF, IS-IS and BGP, complex switch networks built on vPC, VXLAN, OTV, ACI, VMware NSX configurations.

  • Prepare network equipment for deployment by loading appropriate software and configuration setting according to design templates.

  • Continually review the customer's network and practices looking for opportunities to enhance network functionality, performance and reliability.

  • Assist in the evaluation of potential network products or technical solutions.

  • Contribute to the development of network documentation, including diagrams, standards, specifications and operating procedures.

  • Monitor for opportunities to enhance the customer network/system performance or reliability.

  • Provide third-level support and troubleshooting of network problems. Periodically provide after-hours and weekend support.

Technical Skills:Mandatory:
  • A solid understanding of network services concepts such as SNMP/SYSLOG/NTP/DHCP/DNS and security concepts in authentication, encryption, AAA, TACACS/RADIUS, and LDAP

  • Routing Protocols : EIGRP, OSPF, IS-IS and BGP

  • Switch technologies : STP, RSTP, MST, vPC

  • DCI technologies: VXLAN, OTV, LISP

  • Switch Series (Cisco): Nexus 9K , 7K ,5K , and 6500

  • Router Series (Cisco): ISR 1K, 2K, 3K, 4K and ASR series 1000, 9000, 7200, 7600

  • SDN /SDWAN Technologies: Cisco ACI, VMware NSX, Cisco Viptela, Silverpeak

  • Wireless: Cisco and Aruba unified wireless architecture

  • Load Balancers : F5 LTM, F5 GTM/DNS , Citrix Netscalar ADC

  • WAN Optimizers : Riverbed Steelhead and Cisco WaaS

  • Tools : Cisco Prime, Solarwinds, Wireshark, iperf/jperf

Good to have:
  • Work experience on Juniper, HPE and Arista Products

  • Knowledge on VMware and Hyper-V

Other:
  • Proficiency in all Microsoft Office applications are essential to include Visio, Excel and PowerPoint.

  • Must possess both excellent oral and written communication skills.

  • Must have the ability to manage time efficiently and a demonstrated ability to lead multiple projects with minimal supervision.

  • Must be highly organized and detailed oriented.

Qualification:
  • Education: Bachelors in Computers

  • Minimum of one technical certification in chosen technology desired

  • Proficient in using MS office applications (MS Word, PPT, Excel, Visio, MPP)

Certifications:CCIE R&S or CCIE Datacenter Certified ( Preferred )

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