Senior Network Engineer
Job Details:
To take principle responsibility for the management and operation of the client's customer networks. To provide network design, consultancy and operational support to all areas of the business.
Key Responsibilities:
- Day to day operations management of network-related incidents and service requests.
- Resolution or escalation of incidents and service requests within Service Level Agreements (SLA).
- Management of network change communications and procedures within the change control framework.
- Monitor and report on network health using management tools including Solarwinds Network Performance Manager
- Perform daily network health checks identify and rectify any potential issues in a timely manner.
- Install and commission network infrastructure platforms including switches, routers, firewalls and load balancers.
- Provide expertise in development design and deployment of Wi-Fi and mobile (3G/4G) communications solutions to Enterprise and customer engineering projects.
- Administer network protocols and technologies including: MPLS, BGP, OSPF, IPSEC, PVST, LCP
- Create and maintain accurate, clear and comprehensive network documentation.
- Assist in the recommendation of new network equipment to meet project requirements
- Work closely with other areas of the business to provide appropriate solutions and specialist support/advice for projects and variation orders as required
- Take responsibility for customer project deliverables
- Mentor and assist with the development of less experienced team members.
- Provide 3rd line support, including out-of-hours support in critical incidents and participate in on-call support.
- Perform other related duties as negotiated to meet the ongoing needs of the organization.
- Ensure application availability, performance, scalability and security throughout their networks by using traffic management, delivery and acceleration techniques in conjunction with WAN optimisation caching and quality of service methods.
Qualifications and Experience:
Desirable:
- Current Cisco Certified Network Professional qualification or a recognised equivalent
- Current full driving license and own car for travelling to and from data centres and their sites.
- Foundation in ITIL
- University degree in a numerate subject (e.g. Computer Science, maths or engineering).
Skills and Experience:
- Extensive and proven commercial experience in designing, Installing, commissioning and supporting large complex multi-site voice and data LAN and WAN network solutions based predominantly on Cisco products.
- An in-depth understanding of network infrastructure design and best practice principles including routing and switching concepts and technologies, advanced IP addressing, dynamic routing protocols.
- MPLS, Secure and resilient routing solutions, Unified communications, Load balancing and traffic management, Quality of Service (QOS), Wireless and Mobile communications.
- Experience of implementing and supporting remote access and legacy dialup technologies
- An in-depth understanding of end to end secure network concepts, technologies and protocols including Access control, Next generation, Web application and Stateful firewalls technologies, Intrusion prevention, Encryption (IPSEC, SSL, PKI), Security event information management systems, Proxy services.
- Excellent troubleshooting and problem diagnosis skills developed from experience
- Experience of FCOE solutions
- Experience of Storage Area Network implementation
- An understanding of the principles of Datacentre Management.
- Unix/Linux knowledge
Platform Technology Exposure:
Essential: Desirable:
- Cisco Branch and Edge Routers
- Cisco Datacentre, SAN fabric and Campus LAN Switches, including Nexus 5-7K
- Cisco Adaptive security and IDP appliances
- F5 Local and Global load-balancers
- Cisco ASA & Juniper (JUNOS) SRX Firewalls
- Web Application or Next generation firewalls (Barracuda, Palo alto or similar)
- Ethernet, MPLS, DSL, Leased lines, ISDN
- DHCP, Dynamic DNS/BIND, SNMPv3, ACS, Radius/TACACS+,
- Fibre networks deployment (DWDM) and standards
- Cisco-Works LMS, Solarwinds Orion (or similar), Netflow collection and analysis. Probes, packet sniffers, cable analysers
Desirable:
- Cisco ACI