Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet system or a segment of a network system. Maintain network hardware and software. Monitor network to ensure network availability to all system users and perform necessary maintenance to support network availability. May supervise other network support and client server specialists and plan, coordinate, and implement network security measures.

Other names for Network and Computer Systems Administrators: Application Systems Administrator, Certified Novell Administrator (CNA), Cisco Certified Internetwork Expert (CCIE), Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP), Computer Network Technician, Computer Support Specialist, Computer Systems Administrator, Database Administrator (DBA), Desktop Support Technician, Director of Information Services, Director of Technology, e-mail System Administrator, Enterprise Systems Administrator, Hardware Installation Coordinator, Head of Computer Operations/Technical Services, Information Analyst, Information Systems Administrator, Information Systems Coordinator (IS Coordinator), Information Systems Manager (IS Manager), Information Systems Specialist, Information Technology Administrator (IT Administrator), Information Technology Director (IT Director), Information Technology Manager (IT Manager), Information Technology Specialist (IT Specialist), Information Technology Support Specialist (IT Support Specialist), Information Technology Systems Analyst (IT Systems Analyst), Information Technology Technical Support Specialist (IT Technical Support Specialist), Internet Systems Administrator, LAN Analyst (Local Area Network Analyst), LAN Specialist (Local Area Network Specialist), Local Area Network Administrator (LAN Administrator), Mainframe Systems Administrator, Management Information Systems Administrator (MIS Administrator), Microsoft Certified Systems Engineer (MCSE), MIS Manager (Management Information Systems Manager), Network Administrator, Network Analyst, Network Coordinator, Network Engineer, Network Manager, Network Services Supervisor, Network Specialist, Network Support Administrator, Network Support Analyst, Network Support Coordinator, Network Support Manager, Network Support Specialist, Network Systems Analyst, Network Systems Coordinator, Network Technician, Networking Administrator, Programmer Analyst, Server Administrator, Software Engineer, Systems Administrator, Systems Analyst, Systems Engineer, Systems Integrator, Systems Network Analyst, Systems Operator, Technical Analyst, Technical Component Administrator, Technical Solutions Engineer, Technical Specialist, Technical Support Engineer, Technical Support Specialist, Technology Coordinator, Telecommunications Analyst, Telecommunications Manager, Unix Administrator, Unix Systems Administrator, Wide Area Network Administrator (WAN Administrator),

• Diagnose hardware and software problems, and replace defective components.
• Perform data backups and disaster recovery operations.
• Maintain and administer computer networks and related computing environments including computer hardware, systems software, applications software, and all configurations.
• Plan, coordinate, and implement network security measures to protect data, software, and hardware.
• Operate master consoles to monitor the performance of computer systems and networks, and to coordinate computer network access and use.
• Perform routine network startup and shutdown procedures, and maintain control records.
• Design, configure, and test computer hardware, networking software and operating system software.
• Recommend changes to improve systems and network configurations, and determine hardware or software requirements related to such changes.
• Confer with network users about how to solve existing system problems.
• Monitor network performance to determine whether adjustments need to be made, and to determine where changes will need to be made in the future.
• Train people in computer system use.
• Load computer tapes and disks, and install software and printer paper or forms.
• Gather data pertaining to customer needs, and use the information to identify, predict, interpret, and evaluate system and network requirements.
• Analyze equipment performance records to determine the need for repair or replacement.
• Maintain logs related to network functions, as well as maintenance and repair records.
• Research new technology, and implement it or recommend its implementation.
• Maintain an inventory of parts for emergency repairs.
• Coordinate with vendors and with company personnel to facilitate purchases.

• Network analyzers
• Network analyzers
• Cable accessories
• Network analyzers
• Computer tool kits
• Desktop computers
• Server load balancer
• Mainframe computers
• Network analyzers
• Network switches
• Notebook computers
• Interferometers
• Reflectometers
• Power meters
• Power meters
• Protocol analyzers
• Punches or nail sets or drifts
• Hard disk arrays
• Screwdrivers
• Network analyzers
• Network analyzers
• Tape arrays
• Wire lug crimping tool

Helpdesk or call center software

Pattern design software

Data base management system software

Data base reporting software

Data base user interface and query software

Configuration management software

Development environment software

Enterprise application integration software

Graphical user interface development software

Object or component oriented development software

Program testing software

Requirements analysis and system architecture software

Compiler and decompiler software

Computer based training software

Analytical or scientific software

Desktop communications software

Internet directory services software

Network monitoring software

Network operating system enhancement software

Optical network management software

Administration software

Access software

Storage networking software

Gateway software

Platform interconnectivity software

Operating system software

Authentication server software

Network security or virtual private network VPN management software

Network security and virtual private network VPN equipment software

Transaction security and virus protection software

Backup or archival software