Network Administrator

Boris Greenberg

*** ****** *****.

North York, M*H2J2 ON, Canada

Email: ********@*******.***

Tel. 647-***-****

Summary:

Accomplished system and network administrator with 11 years of experience in managing enterprise data center, network infrastructure and end user support. Focused on constant optimization and improvement of IT infrastructure to achieve sustained business flow.

Qualification Highlights:

Comprehensive knowledge of Cisco Edge Network Security Solutions.

Comprehensive knowledge of Cisco Routing and Switching Technologies.

Comprehensive knowledge of Checkpoint security technologies.

Intermediate knowledge in Juniper Networks solutions.

Solid knowledge in Virtualization technologies.

Intermediate knowledge in F5 network solutions.

Skilled in designing, planning and implementing of LAN/WAN solutions.

Deep Knowledge in Active Directory, DNS, DHCP services.

Solid knowledge in managing Windows OS.

Knowledge in Citrix remote access technologies.

Strong knowledge in Symantec backup systems.

Good leadership skills and ability to guide and provide technical direction and supervision for a given project.

Excellent problem solving, analytical and logical thinking skills.

Proficient in technical and non-technical communication, both in oral and written.

Beginner’s level in Python programming.

Professional Experience:

NCR – Plano, USA 2013 - 2016

System and Network Administrator

Successfully managed design and setup activities of network infrastructure and applications integration of Retalix-NCR merge project that allowed to reduce vendor’s involvement on 20%.

o Designed and implemented AD trust between two organizations. o Designed and implemented name resolution between two organizations. o Designed and set up IM connectivity between organizations (federation). o Designed and implemented access to resources between organizations, including file sharing and ftp services.

o Designed and deployed extranet between multiple sites of the merging organizations, based on MPLS and site-to-site VPNs.

Successfully resolved arising issues and maintained supporting documentation.

Monitored service delivery compliance to quality standards of user’s and business stakeholder’s requirements.

Conveyed technical concepts to non-technical stakeholders in written and oral format.

Managed, maintained and implemented network devices, security devices and productivity tools.

Retalix - Plano, USA. 2011- 2013

System and Network Administrator

Was a key person in outgoing deployment and support of IT infrastructure.

Provided expertise and leadership in hardware and software deployment and support for internal Data Center and Networking infrastructure.

Worked across organization to guide adherence to architecture principles and standards,

Managed network security and connectivity between company and non-company devices

(customers, partners, Internet).

Was application owner of an Internet Gateway in the organization. Managed change request process and changes implementation for secure access into the company network of customers, remote employees and guests.

Successfully monitored and maintained all networks, security and computer systems to meet organizational requirements.

Worked with various vendors and service providers to ensure productive environment. Retalix - Israel. 2006 – 2011

System and Network Administrator

Led, designed and implemented multiple technical projects, which improved performance and business functionality:

o Managed a team of 3 employees during site wiring project, when organization cabling infrastructure was replaced.

o Successfully migrated Windows server 2000 to 2003. o Successfully migrated Exchange server 2000 to 2003. o Put network security on another level by implementing VLANs, Lab firewall, Internet gateway into network infrastructure. Replaced Nortel switches with Cisco ones. Successfully upgraded external firewall from Checkpoint R55 to R65. o Improved application performance by implementing a WAN acceleration system.

Successfully supported and troubleshot network infrastructure on a daily basic.

Created troubleshoot processes and trained help desk team to follow them. Education:

B.Sc in Electronics Engineering

Cisco Edge Network Security Solutions – 2016

Lync 2010 administration - 2014

PMP: Collin County Community College - 2013 (Course)

Certifications: MCSE, Citrix CCA, CCNA, on the pass to CCNP security.

Languages: English, Hebrew, Russian

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