Date:  11/10/2017

To whomsoever it may concern

This is to certify that Raymond Costigan was working with HiTRON Limited at Papua New Guinea as a Full-Time employee since Jun 15, 2009 to Oct 9, 2017 as a Network Administrator.

His Roles and responsibilities are as follows:

• Establishing network specifications by conferring with users; analyzing workflow, access, information, and security requirements; designing router administration, including interface configuration and routing protocols.
• Establishing network by evaluating network performance issues including availability, utilization, throughput, goodput, and latency; planning and executing the selection, installation, configuration, and testing of equipment; defining network policies and procedures; establishing connections and firewalls.
• Maintaining network performance by performing network monitoring and analysis, and performance tuning; troubleshooting network problems; escalating problems to vendor.
• Securing network by developing network access, monitoring, control, and evaluation; maintaining documentation.
• Preparing users by designing and conducting training programs; providing references and support.
• Upgrading network by conferring with vendors; developing, testing, evaluating, and installing enhancements.
• Meeting financial requirements by submitting information for budgets; monitoring expenses.
• Updating job knowledge by participating in educational opportunities; reading professional publications; maintaining personal networks; participating in professional organizations.
• Protecting organization’s value by keeping information confidential.
• Accomplishing organization goals by accepting ownership for accomplishing new and different requests; exploring opportunities to add value to job accomplishments.
• Installing network and computer systems
• Maintaining, repairing and upgrading network and computer systems
• Diagnosing and fixing problems or potential problems with the network and its hardware, software and systems

Sincerely yours,

Miss Davis,
Manager