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Lead Network Designer

Zen Internet


Posted: 14 February, 2018

Occupational fields: 
Employment type: 
Full time
75 000 gross annual income
How to apply:

Position details:

Working within the Engineering team of our Network & Infrastructure department, the Network Designer has overall responsibility for designing and building our core IP, distribution and access networks along with the operational tools needed to support and operate them.

As Network Designer, you will collaborate closely with the Network & Infrastructure Technical Architect and other Designers to ensure that our network achieves the desired levels of security, availability and performance. You will also contribute to the definition and planning of the Network & Infrastructure programme of work, ensuring that the scope and requirements of our key projects are clear and achievable.

You will be actively engaged in developing our network planning and modelling tools to ensure we understand and manage our network costs as we continue to expand. You will liaise with our other Designers to ensure that we establish and adhere to high technical standards for our designs and their implementation. You will also work closely with our stakeholders to help them build and optimize their business strategies around the technology we deliver.

You will also be hands-on and have a strong and varied engineering background in the ISP or Telecoms industry. You will lead and take part in projects, working with other engineers to produce and implement designs, build plans, test plans, transition plans and documentation. In carrying out these activities you be a role model both within this team and across the department and will use your insight and knowledge to aid in the development of the skills and practices of our Engineering team.

The products, services and vendors within scope for this role are:

Copper and Fibre Broadband, LLU
Ethernet, VPN, QoS, VOIP and SIP
Core IP, transit and peering, distribution, access, datacentre and enterprise networks
Juniper, Ericsson, Huawei, Cisco

Skills & Experience required:

Subject matter expert within the networking field but has broad understanding in other technical areas sufficient to contribute to broader more strategic discussions
Successful track record in working within a design or engineering team in an ISP, Telco or other technical services environment.
Experienced in leading and overseeing the technical design process
Excellent consultancy skills
Experience working with and selecting partners and external vendors to assist in the delivery of solutions
Excellent knowledge of best practice engineering & design principles and capable of successfully leading and implementing these
Experienced working in project based environment
Successful track record in communicating vision and ideas and sharing knowledge at all technical and business levels.
In-depth knowledge and experience of building and enhancing network infrastructure using some or all of the same technologies as those deployed within Zen including:
Large scale ISP network technologies at all layers: IP, NAT, OSPF, ISIS, BGP, .1q, VLANs, STP, RSTP, VRRP/HSRP, Optical networking
Hardware vendors: Juniper, Ericsson, Foundry/Brocade, Cisco, Zyxel, Huawei
Large scale ISP access services: Ethernet, Broadband, Mobile, QoS, IPv6, VoIP, SIP
Corporate networks, firewall management, PCI-DSS, WiFi
Network and authentication services: DNS, RADIUS, Tacacs, Active Directory, Asterisk
Configuration management: Puppet, GIT, SCCM, rancid
Network management: OpenNMS, Nagios, MRTG, SNMP, Cacti, SCOM, ELK, U2000, ZMS, JunOS Space
Tools development: Perl, shell, PHP, Python, SQL or other scripting languages

And this is what we'll offer you

6 month salary reviews
Private Medical Healthcare Scheme
Pension Scheme
25 days Annual Leave (with option to buy/sell 5 days)
Bonus (based on company performance)
Free Broadband up to the fastest speed available (inc Fibre)
Travel Loan and Ride2Work Schemes
Subsidised Onsite Nursery
Subsidised Onsite Restaurant
Summer & Christmas Parties