Carmelo Niko Opena
Network Security Engineer at NTT Global Networks- Claim this Profile
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English -
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Filipino -
Topline Score
Bio
Experience
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NTT Global Networks
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United States
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Telecommunications
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700 & Above Employee
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Network Security Engineer
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Sep 2015 - Present
• Support the operation of advanced network security services • Provide comprehensive maintenance plans for change management review and approval, implement according to plan • Create and implement firewall ( Palo Alto, Netscreen, Cisco), proxy (Bluecoat) and SSL VPN (Pulse Secure) policy changes • Administer load balancer (Citrix Netscaler) • Perform delivery tasks such as hardware replacement and code upgrade of security devices • Monitor the health of the network and security infrastructure using a variety of monitoring and analysis tools • Notify customers for intrusion attempt detected on the network and other security issues • Support and troubleshoot security issues with customers through phone calls and/or emails and work on trouble tickets on defined SLA • Analyze logs in order to determine the root cause of the issue • Investigate hardware/software problems with devices and collaborating with the manufacturers' support teams to resolve issues • Administer RSA server (add, modify, delete a user or RSA token) Show less
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Movate
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United States
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IT Services and IT Consulting
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700 & Above Employee
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Network Security Engineer
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Feb 2014 - Jul 2015
• Configure and troubleshoot managed Firewall (Cisco ASA, Juniper, Trustwave), and a wide variety of other security products/appliances • Remote monitoring of managed devices such as firewall, IVS, IDS, and IPS • Analyze and resolve firewall issues related to ACL, NAT, VPN and other connectivity issues • Use strong TCP/IP networking skills to perform network troubleshooting to isolate and diagnose common network problems • Analyze and respond to customer’s queries related to their email security • Respond to inbound requests via phone and other electronic means for technical assistance with managed services • Respond in a timely manner (within documented SLA) to support, threat and other cases • Document actions in cases to effectively communicate information internally and to customers • Respond to needs and questions of customers concerning their access to network resources through their managed device. • Adhere to policies, procedures, and security practices • Resolve problems independently and understand escalation procedure Show less
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Hewlett Packard Enterprise
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United States
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IT Services and IT Consulting
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700 & Above Employee
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Technical Solutions Representative
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Mar 2011 - Aug 2013
• SHELL Oil Company (Americas, Asia Pacific and EMEA Region) • Responds to requests for technical assistance via ticketing system, chat and/or email • Active Directory management • Diagnose and grant requests involving user account management, hardware and software access • Follow standard request management procedures • Log all interactions with customer through ticketing system • Redirect problems to appropriate support team • Identify and escalate issues requiring urgent solution Show less
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Education
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Adamson University
Bachelor of Science (BS), Electronics and Communications Engineering -
MNET-IT
CCNA - Routing and Switching, Information Technology