Analyze, design, test, and evaluate network systems, such as local area networks (LAN), wide area networks (WAN), Internet, intranet, and other data communications systems. Perform network modeling, analysis, and planning. Research and recommend network and data communications hardware and software. Includes telecommunications specialists who deal with the interfacing of computer and communications equipment. May supervise computer programmers.

Other names for Network Systems and Data Communications Analysts: Internet Network Specialist, Internetworking Technician, Multimedia Telecommunications Systems Integrator, Network Administrator, Network Analyst, Network Architect, Network Consultant, Network Designer, Network Developer, Network Engineer, Network Manager, Network Operations Analyst, Network Services Information Technology Specialist, Network Specialist, Network Systems Analyst, Network Systems Integrator, Network Technician, Networking Engineer, Networking Specialist, Networking Systems and Distributed Systems Engineer, Networks Computer Consultant, Networks Software Consultant, Personal Computer Network Engineer, Sales Engineer, System Programmer, Systems Administrator, Systems Analyst, Systems Developer, Systems Engineer, Systems Integrator, Systems Planner, Systems Specialist, Telecommunications Analyst, Telecommunications Engineer, Telecommunications Manager, Telecommunications Specialist, VoIP Network Technician, Wide Area Network Engineer (WAN Engineer), Certified Novell Administrator (CNA), Chief Technology Officer (CTO), Cisco Certified Internetwork Expert (CCIE), Cisco Certified Network Professional (CCNP), Communications Analyst, Communications Consultant, Computer Networker, Configuration Technician, Cryptologist, Data Communications Analyst, Data Communications Software Consultant, Enterprise Architect, Implementation Consultant, Information Systems Auditor, Information Technology Analyst (IT Analyst), Information Technology Consultant (IT Consultant), Internet Consultant, Internet Developer, Internet Information Technology Specialist,

• Assist users to diagnose and solve data communication problems.
• Set up user accounts, regulating and monitoring file access to ensure confidentiality and proper use.
• Design and implement systems, network configurations, and network architecture, including hardware and software technology, site locations, and integration of technologies.
• Maintain the peripherals, such as printers, that are connected to the network.
• Identify areas of operation that need upgraded equipment such as modems, fiber optic cables, and telephone wires.
• Train users in use of equipment.
• Develop and write procedures for installation, use, and troubleshooting of communications hardware and software.
• Adapt and modify existing software to meet specific needs.
• Work with other engineers, systems analysts, programmers, technicians, scientists and top-level managers in the design, testing and evaluation of systems.
• Test and evaluate hardware and software to determine efficiency, reliability, and compatibility with existing system, and make purchase recommendations.
• Read technical manuals and brochures to determine which equipment meets establishment requirements.
• Consult customers, visit workplaces or conduct surveys to determine present and future user needs.
• Maintain needed files by adding and deleting files on the network server and backing up files to guarantee their safety in the event of problems with the network.
• Monitor system performance and provide security measures, troubleshooting and maintenance as needed.
• Visit vendors, attend conferences or training and study technical journals to keep up with changes in technology.

• Network analyzers
• Network analyzers
• Network analyzers
• Network analyzers
• Desktop computers
• Power meters
• Integrated services digital network ISDN testers
• Network analyzers
• Server load balancer
• Network analyzers
• Mainframe computers
• Network analyzers
• Network analyzers
• Multimeters
• Notebook computers
• Interferometers
• Personal digital assistant PDAs or organizers
• Power meters
• Protocol analyzers
• Network analyzers
• Network analyzers
• Reflectometers
• Network analyzers

Helpdesk or call center software

Accounting software

Pattern design software

Word processing software

Charting software

Presentation software

Spreadsheet software

Data base reporting software

Data base user interface and query software

Configuration management software

Development environment software

Object or component oriented development software

Program testing software

Requirements analysis and system architecture software

Computer based training software

Analytical or scientific software

Internet directory services software

Network monitoring software

Network operating system enhancement software

Optical network management software

Administration software

Access software

Storage networking software

Platform interconnectivity 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

Electronic mail software