Network Engineer

ABHEYJIT SINGH

********@*******.***, +1-716-***-****

EDUCATION

University at Buffalo, the State University of New York February 2018

Masters of Science in Electrical Engineering,

Major in Networking & Signal Processing - GPA=3.56/4.00

Punjab Technical University

Bachelors of Technology in Electronics & Communication Engineering April 2014

PROFESSIONAL EXPERIENCE

Network Support Engineer, Inter solar systems, Chandigarh, India June 2014 - August 2016

Maintaining and monitoring network performance for company LAN. Level-2/3 support, Implemented internal DNS, DHCP and FTP network services. Understanding of resource utilization and protocols HDLC, PPP, TCP/IP, EIGRP, RIP, & HSRP.

Feasibility and cost analysis, ensuring network system availability and reliability, reusability. Capacity planning.

Regulated computer polices, software such as Microsoft Office, and all updates to operating systems, software and drivers

Mapped out network, created rewiring schemes, and implemented changes. Created and maintained documentation for network diagrams, subnet locations and network configuration. CISCO Secure and CISCO Identity Services Engine (ISE).

In depth knowledge, implementation of QOS/COS traffic shaping/bandwidth throttling and packet capture and analysis.

Assisted in installing and configuring PRTG monitoring tool for monitoring the complete network

Installed and configured Routers, Switches and wireless AP’s. Worked on Setting up Cables, fiber jumpers, network Audits as part of routine checks, executed python scripts to perform checks on the Router and Switch. Performed software upgrades on the Linux systems, applied patches

Engineering trainee, Prolific systems and technology, Noida, India July 2013 - January 2014

Installed, repaired, and maintained computers, and printer, Installed and updated operating systems and software

Monitored system logs for all company computers and devices to maximize uptime. Schedule and manage backups of all company files and email, Also documented all server and network problems and other. Routinely inspected all supported hardware, identifying any potential problems.

Gained knowledge of Wireless LAN Technologies, Network Security Principles, TCP/IP, DNS, DHCP, IIS,VPN, Virtualization technologies, IP/MPLS routers and switches. Helped Network Administrator maintain server

Helped users on site and off site with troubleshooting and fixing issues, Project undertaken- SCADA based bottling plant, with exposure to Industrial Control Systems like PLC, HMI, electrical control and distribution system.

PROJECTS

Network Design - WLAN December 2017

Designed Wireless local area network in Network Simulator (ns-3) in Ad-hoc and infrastructure mode.

UDP echo application used in the network with packet file tracing using Wireshark. RTS/CTS handshake scheme.

Implementation of own Protocol in MAC layer and Physical layer November 2017

Protocol stack implementation used in Ns-3, adding function to subclasses.

Packets reaching Network devices are forwarded to MAC and PHY layer using Enqueue implementation.

Multiple Input Multiple Output system in MATLAB May 2017

MIMO with 2 transmit & 1 receiver antenna with orthogonal space-time code - the Alamouti scheme.

Jakes’ fading simulator to generate 4 independent fading channels & a Rayleigh fading channel.

Analysis of Network Security May 2017

Using DHCP starvation attack, implementing firewall and SSL stripping for the analysis for security.

In a virtual environment- 4 nodes (windows and Linux). Reported on VLANs, inter-VLAN, STP, RSTP, port & link negotiation.

Circuit Designing April 2017

Amplitude modulation & demodulation, Wein bridge oscillator generating a sine wave, Active filter.

Amplitude shift keying & detection, Colpitts oscillator, Voltage controlled oscillator.

Circuit Simulations April 2017

Class A tuned amplifier, Gilbert cell using bipolar junction transistors, Envelope detector.

8-to-1 time-division multiplexing (TDM) multiplexer and a 1-to-8 de-multiplexer

Microgrid Project April 2017

Converted an existing Non-Islanded grid section to a fully functional Microgrid System. SCADA implementation.

Ability to operate in an islanded mode, Designed microgrid comm. & network system with CAN and Central control.

Standard Implementation of LTE Architecture November 2016

Simulated LTE network using network simulator (ns-3) LTE model. Done in C++, tested different traces for results

Implemented Okumura-Hata propagation path model and Reported on LTE protocol testing LLAPI & MLAPI scenarios.

Communication System with Optimum Receiver Detection in MATLAB December 2016

Designed system with AWGN (Additive White Gaussian Noise) channel.

Modulations used -Binary PAM, 4-PAM and Quadrature PAM, also for comparing with theoretical values.

Filtering Techniques for Noise Removal in Digital Images November 2016

Removed Salt & Pepper noise and Gaussian noise then smoothened image in the process.

8051 Micro Controller based temperature sensor June 2012

Undertaken in 6 week training at Center for development of advanced computing, Mohali, India.

TECHNICAL SKILLS

Programming - C, C++, MATLAB, Python, HTML.

Operating Systems: Windows 9x, Windows 2000 Server/Professional, Windows XP, Windows 2003 Server,Windows Server 2008 R2, Windows Vista, Windows 7, VMware ESX.

Strong understanding of Cisco 2600xm, 2800, and 2900 series routers, Cisco 3640, 3600, 7200, 7600, ASR & ISR series routers, Juniper MX104 router along with 2900, 3500, and 3750 series switches.

Layer 2 technology: VLAN, HSRP, VRRP, GLBP, STP, RSTP, Optimizing STP (Port Fast, Uplink Fast, Backbone Fast, Root Guard, BPDU Guard)

Switches: Cisco Catalyst 6500, 3700, 3500 series.

Firewalls: Cisco ASA 5505, 5525 series and Junpier SRX240

Routing Protocols: RIPv1, RIPv2, IGRP, EIGRP, OSPF, OSPFV3, BGP, ISIS

Network Protocols: OSI, TCP/IP, STP, VTP, HSRP, VRRP, GLBP, NAT, NTP, SNMP, SMTP, ICMP, DHCP, CDP

Network Security - ASA Firewalls, IPSec, VPN and SSL.

Tools: GNS3, Packet Tracer, Putty, Wireshark, Cisco Call Manager.

Documentation Tools: MS Visio, MS office

Technologies- SCADA, VHDL, Verilog, AutoCad, Network Simulator (NS-3), LTspice, Elsie, Virtual machine, Oscilloscope, Spectrum analyzer, Microsoft Office, Active Directory, SQL, Visual Basic, shell scripting.

CERTIFICATIONS

CCNA – Routing and Switching (undergoing)

PGDIA - Industrial Automation

Microcontroller’s – Programming and interfacing - CDAC, India

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