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Minimum Requirements:
Five or more years related experience as a Senior Network Engineer or Network Administrator
Experience with Cisco IOS, Extreme XOS and other router/switch/firewall operating systems
Strong Linux based system administration background (especially virtualisation, containerisation and cloud platforms)
Understanding of switching services such as (but not limited to) STP, VLAN, QinQ, COS, Switch Stacking, LACP and RSPAN.
Based on your designs, deliver customer solutions to agreed timescales, quality, and budget operating with a high degree of technical autonomy and self-administered technical project management.
Deep working knowledge of networking principles and technologies, ideally with specific experience of core internet routing technologies and associated infrastructure Knowledge of scripting languages (ideally Python/Bash) Professional certification is advantageous (e.g. CCNA, CCNP, CCDP, CCIE or equivalent), however, industry experience is also considered Designing Service Provider networks utilising BGP, VXLAN/EVPN, OSPF, VRF, MPLS, etc.
In-depth understanding of communication protocols with advanced knowledge of Layer 2 and Layer 3 technologies Experience of open-source log analysis, configuration management and monitoring tools (e.g. ELK, Graylog, Ansible, Rancid, Nagios, Icinga, etc.) Experience with network security, and implement MANRS best practices according to standard
Responsibilities:
Design, deploy, support, and maintain core network for Internet hosting business and support functions (office, VPN, etc.)
Thorough knowledge of IT infrastructure, TCP/IP, networking and information system security principles, practices, and technologies.
Research and analyse new network technologies as well as write proposals for upgrades of network infrastructure
Good analytical skills with the ability to document and present highly technical information in a coherent and informative manner
A passion for writing documentation and training other staff on operating platforms after they have been implemented
Work with wider sysadmin team on integrating network functions into service offering
Demonstrable; in-depth technical expertise within an ICT environment consisting of extensive hands-on support and management of network infrastructure, including routers, switches, firewalls, load balancers, and other related devices.
Monitor network performance and integrity with appropriate escalation paths set up Third-tier support of network issues Automate network tasks and monitor their effectiveness; maintain technical documentation Coach, train, and mentor team members on networking topics Architecting, deploying, maintaining, and scaling platforms Create, oversee, and test network security measures Write and implement networking protocols company-wide and within department policies and procedures Suggest improvements to network performance, capacity, and scalability Participate in business continuity and disaster recovery infrastructure planning, building and testing Participate in the design, engineering, and delivery of IT projects Be part of and support the wider system administrator team Experience with containerization Experience in automating with ansible other tools Experience in administering and automating highly available Linux-based platforms preferably in a virtualised environment Proven ability and interest in picking up new technologies quickly, leading evaluations and providing suggestions of key technologies to base future development around An ability to explain and articulate technical detail clearly to technical management and developers Experience with coding, ideally backend services in PHP, Python, reasonable understanding of web technologies
