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Nemtallah Daher profile image

Nemtallah Daher

Principal Consultant at Rolta AdvizeX
Intro Book
Nemtallah Daher, a seasoned IT professional with 10 years of experience at Rolta AdvizeX, holds a Doctor of Philosophy in Computer Science from Cleveland State University, and is proficient in English, Arabic, and French, with expertise in Cisco Technologies, Network Security, and System Administration.
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Location
Willoughby, Ohio, United States, US
Languages
  • English Full professional proficiency
  • Arabic Native or bilingual proficiency
  • French Elementary proficiency
Skills
  • Cisco Technologies
  • Firewalls
  • Networking
  • Network Security
  • Virtualization
  • Show all
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Bio

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Nemtallah Daher is a seasoned expert in Cisco Technologies, Firewalls, Networking, and Network Security, with over 25 years of experience in designing, deploying, and managing large enterprise data/voice networks. As a Principal Consultant at Rolta AdvizeX, he has led numerous projects, analyzing customer needs and requirements, creating SOWs, and delivering training and documentation. Daher holds a Doctor of Philosophy in Computer Science from Cleveland State University and has earned various certifications, including Unified Computing Technology Field Representative, VCDX-NV, VCIX-NV, vExpert 2018, vExpert 2017, vExpert 2016, and vExpert 2015.

Credentials

  • Unified Computing Technology Field Representative
    Cisco
    May, 2015
    - Apr, 2026
  • VCDX-NV
    VMware
    Aug, 2014
    - Apr, 2026
  • VCIX-NV
    VMware
    Aug, 2014
    - Apr, 2026
  • vExpert 2018
    VMware
    Feb, 2018
    - Apr, 2026
  • vExpert 2017
    VMware
    Feb, 2017
    - Apr, 2026
  • vExpert 2016
    VMware
    Feb, 2016
    - Apr, 2026
  • vExpert 2015
    VMware
    Feb, 2015
    - Apr, 2026

Experience

  • Rolta AdvizeX
    • United States
    • IT Services and IT Consulting
    • 300 - 400 Employee
    • Principal Consultant
      • Dec 2015 - Present

    • Senior Network Consultant
      • Mar 2014 - Present

      Analyse the customer’s needs and requirements. These needs vary but all within the networking area.Assist in creating SOW (statement of work) and discuss with the customerManage and execute the project outlined by the SOW. Provide deliverables at the end of project, whether that is documentation or training.

  • Cleveland State University
    • United States
    • Higher Education
    • 700 & Above Employee
    • Senior Network Specialist
      • Jun 1990 - Feb 2014

      Design, deploy and manage a large enterprise data/voice Cisco network which consists of 6509-E VSS core routers/switches, Catalyst 3750, 4506 and 6509 access switches, ASA-5580 firewalls, ACE-4710 load balancers and 6509-E BGP router

    • Systems Programmer
      • Jun 1988 - Jun 1990

      Technical project leader and programmer on the NOTIS (library automation) project

  • City of Cleveland
    • Programmer
      • Jun 1985 - Jun 1988

      Worked on the Water/Sewer Project. Wrote COBOL/CICS programs.

Education

  • 2021 - 2028
    Cleveland State University
    Doctor of Philosophy - PhD, Computer Science
  • 1985 - 1992
    Cleveland State University
    Master of Science (MS), Computer Science
  • 1982 - 1985
    Cleveland State University
    Bachelor of Science (BS), Computer Science
  • 1980 - 1982
    Hiram College
    N/A, Liberal Arts and Sciences/Liberal Studies

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