Maintaining computer networks including mainframes, VPNs, routers and other physical hardware
Installing and configuring network equipment
Creating firewalls and updating virus protection software and data security systems to keep data and communications protected
Monitoring computer systems to improve network performance for all systems
Troubleshooting, resolving, and communicating networking issues to other employees and management
Implementing disaster recovery procedures
Maintaining current knowledge and understanding of security and networking best practices to offer the best solutions and protection to company systems

Installing new software
Installing new hardware (servers, printers, computer workstations, etc.)
Setting up user accounts, permissions and passwords
Overseeing security of all systems, especially the internet, and installing antivirus protection
Fixing network faults
Network maintenance
Technical support for people using the network
Training staff on new systems
Day to day admin and monitoring of network use
Planning future improvements, suggesting IT solutions to business problems
Making sure all IT meets industry standards
Supervising helpdesk staff If you choose to work for a large company, it’s likely you’ll have a designated area of the network to work on; if you work for a smaller company you’ll probably be in charge of the entire network.

planning a new and more effective network infrastructure
selecting which technology and hardware to use in network implementation
conducting research on system design specifications
ensuring compliance and adherence to existing regulatory frameworks
assessing and evaluating various telecommunications devices
supervising and overseeing the installation of broadcasting equipment and cable
testing and repairing system faults and issues relating to copper cables and fibre optics
offering proactive maintenance and support to reduce incident response time and equipment failure
preparing paperwork and documents relating to network maps, disaster recovery and routing plans
performing system-level design and product configuration
coming up with the designs of solutions
offering guidance and advice to minimise design cost and complexity
managing bandwidth availability and network synchronisation
planning and carrying out network testing and assessment operations
giving subject matter knowledge and expertise to ensure that networks are interoperable and integrated
debugging and inspecting electronic instruments, systems and equipment to ensure their safety