Mid/Senior Network Engineer

Boardroom Appointments; Cape Town; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Boardroom Appointments is seeking a Mid/Senior Network Engineer to design, deploy, and maintain a core network for our hosting business and internal IT functions. You will leverage your extensive experience with Cisco IOS and Extreme XOS, as well as strong Linux administration, virtualization, and cloud skills.

You will evaluate new networking technologies, document complex configurations, and collaborate with the wider IT team to ensure robust, secure, and scalable network services.

Qualifications

• Five+ years of experience as Senior Network Engineer or Network Administrator.
• Experience with Cisco IOS, Extreme XOS and other router/switch/firewall OSs.
• Strong Linux-based system administration, virtualization, containerization, and cloud platforms.
• Understanding of switching services: STP, VLAN, QinQ, COS, Switch Stacking, LACP, RSPAN.
• Deliver customer solutions on time, with autonomy and project management.
• Deep knowledge of networking principles and core internet routing technologies.
• Scripting in Python/Bash.
• Certifications are advantageous but industry experience counts.
• Knowledge of Layer 2/3 technologies and network security principles.
• Experience with open-source log analysis, configuration management, and monitoring tools.

Responsibilities

• Design, deploy, support, and maintain core network for hosting business and services.
• Maintain IT infrastructure, TCP/IP, networking, and security practices.
• Research new network technologies and propose upgrades.
• Document and present technical information clearly to stakeholders.
• Write documentation and train staff on platforms after implementation.
• Collaborate with sysadmin teams to integrate network functions into services.
• Provide third-tier support for network issues.
• Automate network tasks and maintain technical docs.
• Mentor team members on networking topics.
• Architect, deploy, maintain, and scale platforms; test network security measures.

Skills

Network engineering

Linux administration

Scripting (Python/Bash)

Documentation

Education

Networking certifications (CCNA/CCNP/CCIE)

Tools

ELK

Graylog

Ansible

Rancid

Nagios

Icinga

Job description

About the job Mid/Senior Network Engineer

• 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
• 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