Network Security Engineer

United Kingdom - Greater London

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Rackspace

The Network Security team is responsible for ensuring the confidentiality, availability and integrity of our customers’ critical infrastructure whilst providing industry leading Fanatical Support to both the customers and other segments of the business.The Network Security Engineer will be responsible for the global customer base comprising in excess of 4000 customers, employing a mixture of firewalled and loadbalanced solutions, some incorporating HA and DR solutions.The level 2 engineer will provide fanatical support to our customers and colleagues to ensure that customer requests are dealt with quickly and efficiently. They will primarily be responsible for front line support, including customer calls, ticket requests and collaboration with other internal departments.

Key Accountabilities

  • Implementation, configuration and troubleshooting of:
  • IP routing and switching
  • Firewalls (ASA/ASA-X, Palo Alto, Juniper)
  • Load balancers (F5, Citrix Netscaler, Brocade ADX)
  • DNS (A records, CNAMES, MX records, Authority Section, TTL values.)
  • SNMP and monitoring platforms
  • Timely escalation of tickets to the L3 engineers.
  • Perform ticket queue monitoring, and prioritization.
  • IP address assignment and management.
  • Provide world-class Fanatical support.
  • Build relationships with colleagues and customers via the ticket system, telephone and face-to-face.
  • Candidate must have the ability and desire to work within a Team Driven environment and be responsible enough to work with minimal supervision.
  • Responsible for adhering to company security policies and procedures.

Person Specification

  • Technical
  • Strong awareness of subnetting and CIDR
  • Good knowledge of DNS (A records, CNAMES, MX records, Authority Section, TTL values.)
  • Switching (Vlans, STP, trunking etc) and general networking
  • Needs good understanding of IP routing, TCP/IP ports and services, different levels of the OSI model and exposure to operating systems (Windows server and Linux)
  • Will also benefit from basic knowledge of firewalls (ASA, Palo Alto, Juniper), VPN, access lists and loadbalancing (F5, Citrix Netscaler, Brocade,)
  • Can work in a mixed environment using GUI and command line operating systems
  • CCNA essential
  • CCNA/CCNP Security beneficial
  • Non-technical
  • Will have the capability to work under pressure and prioritise tasks
  • Commitment to see each request/issue through to completion, but can also identify when escalation is required.
  • Possess the ability to both record and follow detailed instructions
  • Ability and desire to work within a Team Driven environment and be responsible enough to work unsupervised
  • Will have the desire to promote themselves and their team within the organization through working proactively with other departments to improve work processes and build relationships
  • Excellent verbal and written communication across all levels of seniority and customer bases
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About Rackspace TechnologyWe are the multicloud solutions experts. We combine our expertise with the world’s leading technologies — across applications, data and security — to deliver end-to-end solutions. We have a proven record of advising customers based on their business challenges, designing solutions that scale, building and managing those solutions, and optimizing returns into the future. Named a best place to work, year after year according to Fortune, Forbes and Glassdoor, we attract and develop world-class talent. Join us on our mission to embrace technology, empower customers and deliver the future.  More on Rackspace TechnologyThough we’re all different, Rackers thrive through our connection to a central goal: to be a valued member of a winning team on an inspiring mission. We bring our whole selves to work every day. And we embrace the notion that unique perspectives fuel innovation and enable us to best serve our customers and communities around the globe. We welcome you to apply today and want you to know that we are committed to offering equal employment opportunity without regard to age, color, disability, gender reassignment or identity or expression, genetic information, marital or civil partner status, pregnancy or maternity status, military or veteran status, nationality, ethnic or national origin, race, religion or belief, sexual orientation, or any legally protected characteristic. If you have a disability or special need that requires accommodation, please let us know.
Job region(s): Europe
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