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Job Details


Network F5 Architect (Contract)

Location: England Country: UK Rate: £Market

Network F5 Architect

Whitehall Resources are currently looking for a Network F5 Architect

Key Requirements:

- Architect, Design and Deliver solutions using existing Infrastructure components. Where new infrastructure technologies are being introduced, implement them and establish best practice for their adoption.
- Resolve incidents that have not been seen before and initiate change to ensure that issues can be easily dealt with in future.
- Contribute to the Technology Roadmap for Technology Data Centres.
- Evaluate new tools and techniques being able to understand their value and impact.
- Understand current application development techniques (12 factor app) and their implications to infrastructure.
- Lead group design discussions on my area of expertise and be able to present with authority to a variety of audiences.
- Collaborate with Software Engineers to understand their requirements and assist them consuming Infrastructure in the most seamless way possible.
- Coach and mentor system engineers across Technology who are at a more junior level.
- Ensure that my own team's designs are of a high quality and understand the impacts to any other areas of infrastructure.
- Keep my technical skills up to date and keep track of new technologies, understanding how they might benefit the Technology team.
- Introduce automation to all aspects of my day to day work.

Key Experience:

- Experience designing and deploying solutions for large, complex global organisation.
- Analytical and structured approach to design, process and advanced trouble-shooting.
- Understand Technology and business strategies and convert into technology roadmaps and innovative solutions that best achieve these goals.
- Ability to produce and maintain high quality HLD/LLD and Standards documentation.
- Well organised self-starter who takes personal ownership and accountability at required levels of the work stream and project life cycles; willing to go the extra mile at every opportunity.
- Builds and maintains positive relationships within and across teams.
- Provides technical leadership within teams and mentoring for individuals.
- Communicates effectively, able to deliver and present both written and verbal, designs, strategies and concepts clearly and affectively to Senior & Jnr staff alike.
- Take ownership, to keep up-to-date and embrace the latest industry technologies and associated supplier solutions like SDN and SDWAN.
- Excellent levels (minimum CCNP but CCIE pref) of practical experience in designing/building, operating large-scale, Multilayer Switching and Routing using current CISCO equipment and IOS in a WAN and LAN environment using technologies like Multicast, Port Channelling, EIGRP, CDP, GLBP, VRF, QoS.
- Excellent levels of Load balancing & Global/DNS balancing technologies and techniques, preferably F5 hardware and/or software appliances also Cisco ACE or Citrix Netscaler - Specifically:
* Designing and verifying designs of others of GTM/LTM, BigIP managed environments using traditional appliance and Viprion virtualised hardware for the Client's new PoP- based Global connectivity environment incorporating WAN, Internet and 3rd Parties whilst integrating with the new PoP Security design, and new DC and Cloud environments.
* Devising technical migration strategies for Cisco ACE/GSS migrations to these new F5 based environments and overseeing implementation accordingly.
* Design and advise on consolidation and simplification of existing F5 environments to make best use of F5 infra as well as devising and designing most efficient and seamless migration paths utilising this F5 service for application teams migrating from older Data Centres to new DCs and the Cloud ie Azure and AWS.
* Providing SME point of contact to the rest of Networks and wider Technology community advising on design and best practices for interaction and use of the F5 infra.
* Provide 4th line consultancy/problem determination to the above projects and technical point of contact between the Client and F5.
* Develop F5 monitoring and automation designs, procedures and executables in co-ordination with the Kibana monitoring solution.
- Excellent technical knowledge of OSI network topologies, troubleshooting and design eg Routing Protocols (BGP, OSPF, iGRP), DNS, DHCP, IP Address Management and TCP/UDP Port RFC & IEEE 802-based standards.
- Cisco/Arista Switches deployed in Spine/Leaf topology.
- High levels of VPN experience along with associated technologies and protocols eg IPSec, Public/Private Key Encryption, TLS/SSL, digital cert techniques like ISA/KMP GRE and DMVPN.
- Very good knowledge of Wide Area Networking technologies and protocols, such as MPLS, WAN Optimisation (Riverbed Steelhead or Cisco WAS), CoS, DWDM. Ideally, with experience of dealing with major Global Comms suppliers.
- Good understanding of Internet/Web Technologies both hardware and cloud based, like CDN, Proxy/Caching, SSL Offloading/Interception, URL forwarding/re-direction from suppliers like Akamai, Bluecoat, Zscaler.
- Good understanding of browser-based technologies and protocols like HTML, HTTP/HTTPS and XML.
- Good understanding of Network Management technologies and protocols like SNMP, Netflow, IPSLA, along with practical experience of associated Network Management & Alerting Tools.

Desired Skills:

- Good technical knowledge of Firewalls Platforms and Technologies, including build/configuration of some of the following Palo Alto (pref) and Cisco ASA/FirePower (pref), also Checkpoint, Fortinet along with associated Management Systems and Firewall rule analysis tools eg Skybox, Tufin.
- High levels of knowledge of remote access and two factor authentication technologies and AAA solutions, eg RSA, Juniper/Pulse, Cisco ACS, Radius.
- High levels of experience of Threat prevention and detection techniques and associated technologies like IPS, IDS, APT/SEIM, Secure Proxy.
- SDN/automation technologies/configuration tools like GIT, Chef, Anisble or Puppet, preferably in a DevOps environment.
- Latest 802.11-based WiFi standards and technologies with practical design and installation of provider solutions and tools eg Cisco, Aruba or Meraki and all associated survey techniques.
- Scripting knowledge (eg Python, Unix/Linux or PowerShell & Batch).
- Familiarity with VMware NSX and wider VMware software stack (vCentre, vRealize).

All of our opportunities require that applicants are eligible to work in the specified country/location, unless otherwise stated in the job description.

Posted Date: 19 Jun 2019 Reference: JS-JS/CI/38722 Employment Business: Whitehall Resources Ltd Contact: Charlie Calderbank