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Paul Liu Email & Phone Number

Senior Director of IP Engineering at Inteliquent at Inteliquent
Location: Greater Chicago Area, United States, United States 9 work roles 4 schools
2 work emails found @inteliquent.com 7 phones found area 312 and 408 LinkedIn matched
4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 7 phones

Work email p****@inteliquent.com
Direct phone (312) ***-****
LinkedIn Profile matched
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Current company
Role
Senior Director of IP Engineering at Inteliquent
Location
Greater Chicago Area, United States, United States
Company size

Who is Paul Liu? Overview

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Quick answer

Paul Liu is listed as Senior Director of IP Engineering at Inteliquent at Inteliquent, a company with 400 employees, based in Greater Chicago Area, United States, United States. AeroLeads shows a work email signal at inteliquent.com, phone signal with area code 312, 408, and a matched LinkedIn profile for Paul Liu.

Paul Liu previously worked as Senior Director of IP Engineering at Inteliquent and Senior Manager, IP Engineering Group at Inteliquent. Paul Liu holds Ms, Computer Science from The University Of Texas At Dallas.

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Email format at Inteliquent

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{first}.{last}@inteliquent.com
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AeroLeads found 2 current-domain work email signals for Paul Liu. Compare company email patterns before reaching out.

Profile bio

About Paul Liu

Create and maintain a robust carrier class IP backbone, with minimal staff resource yet highly manageable, resilient & scalable.Provide intelligent monitoring framework overseeing Inteliquent's VoIP tandem switching network. Advance predictive detection on soft-fail issues such as ASR/NER SLA degradation and sudden call volume decrease/increase. Advocating utmost MTTD (Mean Time to Detect) of network faults of various abstraction levels, from circuit/interface hard fails to path continuity, to trunk group soft fails, ASR/NER anomaly, holdtime, call arrival rate, and moving average aspects.Overall capacity planning & engineering of 200+ Sonus SBC's; facilitate SIP/eBGP peering with several dozen major MNO's, MSO's, xLEC's and ASP's; oversee TDM to SIP migration to realize SLA improvement and OPEX savings.Specialties: - Performance Benchmarking, Van Jacobson or Scott Bradner wannabe, worte a ping+ hammer tool back in 1991.- Proactive network monitoring, surveillance & fault detection, inc soft fails & trend analysis- Protocol Analysis: wrote tcpdump/snoop like sniffer program called etherstat/etherpair back in 1991; wrote SipTracer tool in 2009, enable easy call trace by entering only dialed digits.- Root Cause Analysis: reconstruct sequence of events; focusing on fault detection & process improvement- BH (busy hour) traffic analysis on a per customer, per market/region, or per service (e.g. 8YY, local, LD...etc) granularity. Also trending at weekly and monthly level.

Listed skills include Routing, Ip, Ethernet, Voip, and 46 others.

Current workplace

Paul Liu's current company

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Inteliquent
Inteliquent
Senior Director of IP Engineering at Inteliquent
chicago, illinois, united states
Website
Employees
400
AeroLeads page
9 roles

Paul Liu work experience

A career timeline built from the work history available for this profile.

Senior Director Of Ip Engineering

Current

Greater Chicago Area

Managing a group of network engineers, to oversee carrier-grade IP backbone, serving 220 Sonus softswitches providing tandem services to tier-1 telco providers such as Verizon, AT&T, T-Mobile, Sprint, Comcast, Charter, Cox, Cablevision, Skype, Vonage, Google Voice, MagicJack..etc. The high-availability & highly redundant IP backbone consists 80+ Cisco.

Jul 2009 - Present

Senior Manager, Ip Engineering Group

Current

Greater Chicago Area

Manager of IP Engineering Group with several CCNP/CCIP/CCVP level direct reports. Babysit a class-4 tandem switching network consists of 34 central offices, 170+ Sonus GSX softswitches, 60+ Cisco 6509/7606 routers, interconnected via dozens of long-haul 1Gig/10Gig circuits.

Jul 2007 - Present

Ip Architect

Current

Greater Chicago Area

Providing high availability service provider backbone connecting several dozen tandem offices together via OC3c and long-haul GigE circuits.Developing network management tool chest, providing proactive monitoring and call volume anomaly detection.Created SIPtracer app running on Linux platform, able to pick out the needle from the haystack, with dialed.

May 2006 - Present

Technical Leader, Devtest

Uncovering Cisco IOS bugs on 7300 & ESR10K platforms, before reaching the customers. Extensive working knowledge with ISSU HA and various POS/Ethernet linecards.

Jan 2001 - Mar 2006

Se, Ce, Cse

'96, Systems Engineer supporting various Ameritech business units'98,Corporate Consulting Engineer presenting voice/video/data triple play solutions to Mainland China MSO's; Advocating broadband IP metro-area network in lieu of traditional xWDM/Sonet/ATM/IP hierarchies.'99, Solutions Consulting Engineer for Cisco Customer Advocacy, conducting case studies.

Feb 1996 - Jan 2001

Mts

Project Leader of FUNET, Future Networking, predicting computing environment changes within AT&T Bell Labs, from 1990 to 1995. At that time, AT&T Bell Labs computing environment changed from mainframes with dumb terminals, to X terminals to the eventual desktop PCs and Sun workstations.Networking-wise, it went from datakit/radian to ISDN BRI to Starlan-10.

Oct 1987 - Feb 1996

Software Engineer

Developed LU6.2 print-spool applications on Intel 186 XENIX platforms. Addison, TX.

Oct 1985 - Sep 1987

Software Engineer

Project leader for TILANS (Totally Integrated LAN System), deployed VT100 terminal emulators onto PC's with Kermit file transfer and print spooling capabilities, on top of Ungermann-Bass Z80-based terminal server network, XNS / thick coax Ethernet / 2400 baud bridges. TI Equipment Group, Plano, TX.

Jun 1984 - Sep 1985

Software Engineer

Developed graphics database exchange applications across NSC HyperChannel backend network, on ComputerVision and Apollo CAD/CAM workstations, VAX 780's, CDC & IBM VM. F16 Division in Fort Worth, TX.

Mar 1983 - Jun 1984
Team & coworkers

Colleagues at Inteliquent

Other employees you can reach at inteliquent.com. View company contacts for 400 employees →

4 education records

Paul Liu education

Education record

College Of Lake County

High School

Zion Benton Township High School
FAQ

Frequently asked questions about Paul Liu

Quick answers generated from the profile data available on this page.

What company does Paul Liu work for?

Paul Liu works for Inteliquent.

What is Paul Liu's role at Inteliquent?

Paul Liu is listed as Senior Director of IP Engineering at Inteliquent at Inteliquent.

What is Paul Liu's email address?

AeroLeads has found 2 work email signals at @inteliquent.com for Paul Liu at Inteliquent.

What is Paul Liu's phone number?

AeroLeads has found 7 phone signal(s) with area code 312, 408 for Paul Liu at Inteliquent.

Where is Paul Liu based?

Paul Liu is based in Greater Chicago Area, United States, United States while working with Inteliquent.

What companies has Paul Liu worked for?

Paul Liu has worked for Inteliquent, Cisco Systems, At&T Bell Labs, Harris Corporation, and Texas Instruments.

Who are Paul Liu's colleagues at Inteliquent?

Paul Liu's colleagues at Inteliquent include Gwen Holmes, Patricia Scott, Pmp®, Hakan Bakti, Pragash Thiyagarajan, and Jacquie Mayfield.

How can I contact Paul Liu?

You can use AeroLeads to view verified contact signals for Paul Liu at Inteliquent, including work email, phone, and LinkedIn data when available.

What schools did Paul Liu attend?

Paul Liu holds Ms, Computer Science from The University Of Texas At Dallas.

What skills is Paul Liu known for?

Paul Liu is listed with skills including Routing, Ip, Ethernet, Voip, Bgp, Mpls, Network Design, and Cisco Technologies.

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