Experience

NextG-Com

• United Kingdom
• Telecommunications

• Security Analyst and developer on eNodeB

  • Feb 2016 - Present

  eNB and relay manager on an LTE network.Security configurations for TCP/IP networking and DHCP/NAS management of APN multiple APN configurations.I was responsible for designing a suitable interface management system for handling data with differing security levels and configuring the required routing algorithms for each data stream. This involved managing features such as MAC Matching, IPSec, iptables with NAT and SNMP implementations to ensure only the data from the desired source and destination are matched together.I also supported work on the USIM AND USAT for an NB-IoT solution.Code embedded C, Linux shell scripting and AT commands.



Samsung SRUK

• Senior Software Engineer

  • Jan 2013 - Dec 2015

  Android Developer:Security analysis Kies Air:My initial task at Samsung was to support their Kies Air product. An analysis was performed on security weaknesses and reported to the Samsung security team.User interface development:I was part of a team developing an Android Home Screen application using OpenGL extensions.I worked on the application level in Java and native side, (C++), Font configuration, 3D modelling, graphics/bitmaps processing and streaming. A great deal of life-cycle handling events/debugging was also required for the above tasks. Testing was done on Jenkins unit test environment.The last task was optimisations, my current achievements in this area are in the reduction of jitters and increase of response of call-backs to Java to at least 1/10 and up to 1/100 of the original time.Development environment: Ubuntu, Jenkins, Git with Perforce, XML with inflator, Android Java, C++ with JNI support using STL and Boost libraries, (some Perl, bash and awk).



G.E. Energy

• Greece
• Renewables & Environment
• 1 - 100 Employee

• Test/development

  • Oct 2011 - Mar 2012

  Using logs to analyse faults detected in various SCADA applications and supply fixes in C.Clear case, Clear Quest software: C. Using logs to analyse faults detected in various SCADA applications and supply fixes in C.Clear case, Clear Quest software: C.



Mobica

• Furniture
• 200 - 300 Employee

• Android NFC developer

  • Sep 2011 - Oct 2011

  Complete development of NFC application for Android platform in Java. Complete development of NFC application for Android platform in Java.



Teleca

• Telecommunications
• 1 - 100 Employee

• RIL Team Leader

  • 2010 - Jul 2011

  Team leader on site for Samsung Suwon Korea.Team supported telephony modem and Android platform implementation for RIL 3GPP/GSM. Team leader on site for Samsung Suwon Korea.Team supported telephony modem and Android platform implementation for RIL 3GPP/GSM.



SRT PMR

• United Kingdom
• Mining

• embedded software analyst design

  • 2007 - 2009

  Design in UML and C embedded coding for TETRA Group Call Management including database and MMI to handle up to 2000 groups in a folders database implementation on an embedded device, based on TETRA standard specifications. The design had to suite the existing hardware/software with special attention to HCI issues such as presentation of data. Debugging of base station handover issues in group re-attachments and call maintenance on handset device. Design in UML and C embedded coding for TETRA Group Call Management including database and MMI to handle up to 2000 groups in a folders database implementation on an embedded device, based on TETRA standard specifications. The design had to suite the existing hardware/software with special attention to HCI issues such as presentation of data. Debugging of base station handover issues in group re-attachments and call maintenance on handset device.



Software Radio Technology

• India
• IT Services and IT Consulting

• senior software developer

  • 2006 - 2008



Tao Group

• United States
• Hospitality
• 1 - 100 Employee

• C++ object GUI and database application (Contract)

  • Sep 2006 - Feb 2007

  I developed a picture viewer with caching and a database application with SQL style access for a small pda style device. This was developed on the Tao's 'Intent' platform. I developed a picture viewer with caching and a database application with SQL style access for a small pda style device. This was developed on the Tao's 'Intent' platform.



Samsung Electronics

• South Korea
• Computers and Electronics Manufacturing
• 700 & Above Employee

• USIM Toolkit/Core (Contract)

  • Feb 2006 - Feb 2007

  The development of USIM Toolkit for Samsung mobile phone embedded system. Design and development of smart card USIM Toolkit on Samsung’s own embedded mobile windows operating system. Included GUI applications, call control and messaging implementations. Test cases run on Aspects test box. Laboratory testing on ORGA and according to the ORGA test cases of SIM Toolkit features, including “over the air” testing of call setups, registration and data channel connections. The development of USIM Toolkit for Samsung mobile phone embedded system. Design and development of smart card USIM Toolkit on Samsung’s own embedded mobile windows operating system. Included GUI applications, call control and messaging implementations. Test cases run on Aspects test box. Laboratory testing on ORGA and according to the ORGA test cases of SIM Toolkit features, including “over the air” testing of call setups, registration and data channel connections.



Ubinetics

• Telecommunications

• USIM Toolkit implementation in embedded C. (contract)

  • Jul 2004 - Jul 2005

  Work on the Ubinetics NAS stack, I designed and implemented the USIM Toolkit, SMS and various call features. The interface to MMI software used AT commands. During this time I also completed a UMTS training course:“Software Design for WCDMA with NAS emphasis”. Work on the Ubinetics NAS stack, I designed and implemented the USIM Toolkit, SMS and various call features. The interface to MMI software used AT commands. During this time I also completed a UMTS training course:“Software Design for WCDMA with NAS emphasis”.



Panasonic Mobile Communications

• United Kingdom
• Telecommunications
• 1 - 100 Employee

• Software Engineer

  • 2000 - 2002

  Developments for a “Host Module Test” to test call/registration and WAP features with TCP/IP connection. It ran Perl scripts with SWIG to include all module test cases and regression testing of entire system. The system ran on the Nucleus RTOS.The design and implemention of SIM Toolkit features. Developments for a “Host Module Test” to test call/registration and WAP features with TCP/IP connection. It ran Perl scripts with SWIG to include all module test cases and regression testing of entire system. The system ran on the Nucleus RTOS.The design and implemention of SIM Toolkit features.