Girum Hailemariam

Girum Hailemariam Email and Phone Number

Senior Solutions Architect @ Amazon Web Services (AWS)
Chicago, IL, US
Girum Hailemariam's Location
Greater Chicago Area, United States, United States
Girum Hailemariam's Contact Details

Girum Hailemariam work email

Girum Hailemariam personal email

About Girum Hailemariam

Wireless mobile industry experience of over 20 years with extensive experience in telecommunications including IMS (IP Multimedia Subsystem), VoLTE, IP and LTE and 3G; Knowledge and experience in cellular network security, software development cycle, system integration, field deployment, signaling networks (SS7), Digital Communications (FDMA, TDMA, CDMA, WiMAX, LTE) and IN applications; Concrete experience in performance and capacity analysis, product launch, system test and product support; Team player with excellent work ethics; Highly motivated and able to work in a fast-paced environment with diverse groups; Excellent communication and teaching skills in areas of wireless mobile telecommunication and IP.

Girum Hailemariam's Current Company Details
Amazon Web Services (AWS)

Amazon Web Services (Aws)

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Senior Solutions Architect
Chicago, IL, US
Website:
aws.amazon.com
Employees:
142019
Girum Hailemariam Work Experience Details
  • Amazon Web Services (Aws)
    Amazon Web Services (Aws)
    Chicago, Il, Us
  • Amazon Web Services (Aws)
    Senior Solutions Architect
    Amazon Web Services (Aws) Sep 2022 - Present
    Seattle, Wa, Us
  • Alexa Communications | Amazon
    Senior Solutions Architect
    Alexa Communications | Amazon Jun 2019 - Present
  • U.S. Cellular
    Member Of Technical Staff
    U.S. Cellular Mar 2016 - Present
    Chicago, Illinois, Us
    • USCC architect for IMS services such as VoLTE, Video and RCS providing guidance and resolution for specific issues tied to deployed end to end architectures• Performed research and provided core strategy for new technologies• Participated in Security Risk Assessment Program including identifying and scoring risk.• Participated in tactical and operational planning of vulnerability assessment activities • Defined end to end (including the device) vendor agnostic network architectures• Provided analysis of architectural properties (e.g. performance) using qualitative arguments• Provided verification plan to validate business use cases/requirements• Authored Architectural Direction Documents (ADD) for new services for US Cellular to launch
  • U.S. Cellular
    Lead Mobile Integrated Services Engineer
    U.S. Cellular May 2015 - Feb 2016
    Chicago, Illinois, Us
    • Supported trials for IMS/VoLTE with various vendors• • Authored and presented various topics within IMS and VoLTE to U.S. Cellular® employees thru Internal University (IU) program• Demonstrated experience in delivery of complex VoLTE and IMS solutions in customer environments • Troubleshot and resolved complex IMS and LTE issues
  • U.S. Cellular
    Senior Mobile Integrated Services Engineer
    U.S. Cellular Jun 2013 - Mar 2015
    Chicago, Illinois, Us
  • U.S. Cellular
    Sr. Mobile Core Engineer
    U.S. Cellular Jun 2010 - May 2013
    Chicago, Illinois, Us
    • Strong knowledge in LTE RAN (Radio Access Networks),EPC (Evolved Packet Core), CDMA 1x and EVDO techonologies• Monitor, Analyze, troubleshoot, and optimize LTE network performance• Provided support for various LTE network elements such as P-GW,S-GW, PCRF and HSS • Resolved customer tickets by working on CDMA data infrastructure equipments such as PDSN, HA and AAA.
  • Motorola
    Principal Staff Software Engineer
    Motorola Mar 2005 - Jun 2010
    Chicago, Illinois, Us
    • Managed and led successful Controlled Introductions (FOA) for multiple products at customer sites• Led the successful new product launch of ATCA system in Verizon and USCC• Authored performance reports for IN systems in Verizon• Worked with performance test group to calibrate and adjust performance models and KPIs based on field results.• Worked with third party vendors to standardize performance measurements.• Participated in pilot builds with a focus on identifying, communicating and eliminating the technical product and/or factory issues• Acted as the focal point for problem solving issues involving product design, factory, test, and material issues.
  • Motorola
    Software Staff Senior Engineer
    Motorola Jun 2001 - Mar 2005
    Chicago, Illinois, Us
    • Participated in marketing activities thru product development all the way to launch and executed product retirement plans• Captured customer requirements and wrote MRDs (Market Requirements Document) for products• Defined and prioritised feature requests for products• Gathered business intelligence on current and future competitors and strategies, technologies and products and analyzed competitive offerings• Participated in market research for products, features and services ensuing unique product offering• Provided input to cost-benefit analysis and scenario planning for products• Analyzed product portfolio, market performance & formulated strategic plans• Setup performance test beds for soft switch and messaging products to evaluate performance output and implemented optimal performance settings• Conducted customer presentation and feature demo for new products • Led a team of test engineers providing guidance in support of their test activities starting from test plan creation, execution and test verification • Integrated and conducted interoperability tests on third party vendor equipments such as Winphoria’s WMS5000 and Light bridge’s Prepaid box • Created, maintained and supported network traffic generators/simulators • Developed software to simulate BSC and integrated the tool with a live Soft switch to originate and terminal voice calls• Maintained software for cellular load generator (CLG) and made updates based on feature requirements

Girum Hailemariam Skills

Telecommunications Lte Mobile Devices Testing Cdma Wimax Cellular Communications Troubleshooting Product Development Competitive Analysis Networking System Testing Business Intelligence Gsm

Girum Hailemariam Education Details

  • Depaul Driehaus College Of Business
    Depaul Driehaus College Of Business
    Business
  • Southern Illinois University Edwardsville
    Southern Illinois University Edwardsville
    Electrical Engineering

Frequently Asked Questions about Girum Hailemariam

What company does Girum Hailemariam work for?

Girum Hailemariam works for Amazon Web Services (Aws)

What is Girum Hailemariam's role at the current company?

Girum Hailemariam's current role is Senior Solutions Architect.

What is Girum Hailemariam's email address?

Girum Hailemariam's email address is ha****@****hoo.com

What is Girum Hailemariam's direct phone number?

Girum Hailemariam's direct phone number is +177390*****

What schools did Girum Hailemariam attend?

Girum Hailemariam attended Depaul Driehaus College Of Business, Southern Illinois University Edwardsville.

What skills is Girum Hailemariam known for?

Girum Hailemariam has skills like Telecommunications, Lte, Mobile Devices, Testing, Cdma, Wimax, Cellular Communications, Troubleshooting, Product Development, Competitive Analysis, Networking, System Testing.

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