Engineer Electrical

Mahendra Dissasekera

*****, ******* ****** 661-***-****

Santa Clarita, CA 91321 ************@*****.***

Electrical Engineer with 16 years of work experience ranging

Summary/

from industrial control system I/O devices design to

Objective

applications for industries ranging from Nuclear power to

commercial manufacturing. Utility to Production Machinery

Installation, Commissioning, Service and Troubleshooting

experience. Utility projects budgeting to Testing

Commissioning. Systems design, Costing and after sales

support. Work with sensors and transducers ranging from DC,

AV and RF to Gamma radiation applications. PLC, DCS and

SCADA systems applications, design and troubleshooting

experience. Energy audits to energy save and systems

improving projects. Machinery Maintenance to TPM and Lean

practicing to improve Overall Equipment Effectiveness by

reducing Costs and Waste. Working experience as Maintenance

Engineer an Instrument Control Engineer, Senior Electrical

Engineer, Assistant Engineering Manager and Applications

Engineer. Lead and supervised Electrical, Mechanical and

Service technical teams.

Skills/ Strengths: A Consummate team player looking to

secure a position in a Dynamic engineering team that requires

outstanding Systems Design Development, Quick learning,

Hardworking, Decision making, Innovative solutions, Problem

solving, Faults finding, Sales and Training/ Transferable skills.

A Self motivated person with Positive attitude and Flexibility

towards the career.

Extensive exposure and experience in below areas:

Applications of verities of Sensors, Transmitters, Fiber

Optic, Transducers, Alarm systems, Programmable

controllers to distributed Control and monitoring systems .

Integration of Redundancy backup systems to Nuclear

power and Utility industries. Level monitoring and

Measuring devices for Oil & gas industry. Application of

Certified products under UL, CSA, and Class1, Div 2

Hazardous situation.

PLC/HMI Software skills in RSLogix 5000, RSLogix

500, FactoryTalk View, Control Flash, RSNetWorx,

RSLinx, STEP 7 MicroWIN, SIMATIC Manager, TS

adapters for ladder programming and Wonderware,

WinCC Flexible, and KEP OPC Server for Graphic

display configurations.

PLC hardware experience with FlexLogix,

CompactLogix, MicroLogix, SLC500, SIMATIC S7 200/

S7 300, Fatek, Omron, Hitachi and addressed remote I/Os.

HMI Programming, Installation and Configuration

experience (PanelView, Simantic, Easy View).

Altera, Spartan, Actel FPGAs and CPLD hardware

applications and hardware programming from Quartus II,

Xilinx ISE, Libero IDE, Flashpro and gate level, Verilog,

VHDL firmware developments.

Atmel, Arduino, PIC, XBee, Zigbee and ARM Cortex

M3 Microcontroller applications and Keil micro vision,

IAR, ATM Studio firmware developments.

Ethernet 10/100T UDP/TCP/IP LAN/WAN, ControlNet,

DeviceNet, DH484, PROFI BUS, PROFI NET, CAN,

DF1, 4 20mA, RS232 Hart, DH+, USB and Modbus RTU,

Modbus UDP, IRIG B, Wi Fi, Zigbee RF Communication

protocols.

Variety of DC, AC Induction, Servo and Stepper

motors up to 50kW, Encoders, Resolvers and Variable

speed Drives applications.

Lean Manufacturing Yellow and Blue belts, TPM

(Total Productive Maintenance), ISO 9001, ISO14000,

OSHAs, FEMA (Failure Mode effective Analysis),

Problem solving PDCA (Plan Do Check Act), MTBF

(Mean Time Between Failure) and Safe work area

practice.

Implement Data acquisition remote monitoring and

improved control systems of HVAC, Generator, Boilers,

Water treatment and Air Compressors systems.

Worked with VSDs such as Hitachi, Lenze, ABB,

Altiva, Mitsubishi, Bamuler, Yaskawa, Siemens 3P Variable

speed drives up to 30kW, GE Online Inverters and Power

regulators up to 250kW.

Pneumatic, Steam, Process water and Hydraulic

Systems design and maintenance together with I P, P I,

PT100, RH, TC, Actuators, Solenoids, Valves, Pumps,

Belt/Gear drive systems.

Lighting systems, Solar power, Transformers, Circuit

breakers, Earthling/Grounding, Surge filters Diverters,

Flow meters, Power analyzers, Capacitor banks and

Oscilloscope applications

Machine Productivity improving, Energy saving

projects and Electrical safety devises.

Professional Ronan Engineering Company. – Valencia, CA 91355 11/2011

Experience – To Date

Applications Engineer

Custom design Microcontroller and FPGA based

•

Alarm display, Event recording and Time stamping

systems for different utility industries.

Custom design Leak detection, Tank level monitoring

•

systems and process monitors.

I P, P I Smart Transmitters, Convertors, Calibrators,

•

Process monitors, Intrinsic filters and Explosion proof

system applications.

Radiometric measurements Continuous level, Point

•

level. Interface level, Density, Mass flow and

Continuous weight measurement systems for critical

applications using gamma sources and Sentilation

detectors.

Follow ISA, NEC, NFPA 79, CE, UL standards.

•

Noyon Lanka (Pvt) Ltd (Joint Venture of MAS Holdings Sri Lanka and

Noyon France) – 46A Biyagama EPZ, Malwana, Sri Lanka

05/2004 – 08 / 2011 Assistant Manager Engineering (Promoted from

Senior Electrical Engineer position)

Supervised and lead engineering team. Coordinating

•

engineering team in a safe working environment to

accomplish regular maintenance and in house

performance improving projects.

Implement process improvement and Energy saving

•

projects to HVAC system, Knitting Mc, Heat setting

Mc (Stenter), Air Compressors, Heat exchangers,,

Dosing pumps, Steam Boilers and Power Generators.

Machine installation project feasibility studies,

•

Electrical/ Mechanical BOQs, Production and utility

machine Installation and Commissioning.

Fire alarm, Fire hydrants and Lightning protection

•

systems maintenance and upgrades. Electrical

distribution system safety devices (RCCBs, ELCBs,

Earth protection) testing, Grounding and load testing

including thermal camera tests.

Engineering stores, Machinery special spare parts,

•

SAP Inventory control system, Computerized work

order system, Material handling equipments,

Electrical component repairs and Test benches.

In house trainings for technicians, Yearly technical

•

skill evaluations, Follow SOPs and standardized

preventive maintenance tasks to reduce machine

downtime. Continuous improvement projects across

the company. Electrical and Mechanical safety related

activities.

Asia Power (Pvt) Ltd (Operation and Maintenance Joint venture of

British and Denmark) Gonawela, Sapugaskanda, Sri Lanka

04/2001 – 05 / 2004 Instrument Control Engineer

Maintained centralized PLC/DCS controls system and

•

SCADA/HMI interfaces belongs to the Thermal power

generators. Periodic Testing, Calibration and regular

Maintenance work.

Power station alarm monitoring system, Fire alarm

•

system and Fire hydrant system periodic maintenance

and mock testing.

Instruments Calibrations and repairs including

•

Viscometers, Exhaust dampers, Position control

valves, Governors, Generator Excitation systems, Mist

detectors, Smoke and Heat detectors, Sprinkler

systems, PT100 and TC temperature sensors, Motors

and pumps vibration levels, Pressure transducers, Oil

purifiers, Generator winding insulations, Radiators,

Flow meters, Tank level sensors and Auto lube oil

filters of the plant.

Calibration of Switch gear trip settings, Circuit

•

breakers, CT, PT, Protection relays settings and Switch

yard protection instruments voltage up to 132 kV.

Power station generator backup systems and DC

•

battery backup systems, Compressed air starting

system, Synchronization relays, HT Transformers and

Switch gears in the distributed Electrical power

system.

Software Skills MSMicrosoft office, Auto CAD, Math CAD, Minitab, Math Lab,

Lab View, SAP, Solid work, C+, Verilog/ VHDL,

Microcontroller programming with embedded C and Electrical

Schematics and Wiring diagrams.

Hardware Hands on skills with Network hubs and switches, Computers/

Laptops, Scanners and Servers, Vision base camera systems, IP

Skills

and security Cameras, Motion detectors, Routers, All types of

Proximity, Humidity, Optical sensors, Remote control devices,

Passive devices, Surge filters, Bluetooth devices, Data and

Power cable sizing and color codes, Repairing Programming

and configuring of VSDs/ Servos drives, Chillers, AHUs,

Motor/Pump control systems, Relays, Contactors, MCBs, Motor

protectors, CNC, Safety/Emergency relays, Chain Gear and belt

drives, CMOS devices, Microcontrollers, RF Antennas, Analog

and digital signals.

Education Master of Science in Electronics and

Automation Engineering

03/2011 University of Moratuwa Colombo,

Sri Lanka

Bachelor of Science in Electrical

Engineering

03/1998 University of Moratuwa Colombo,

Sri Lanka

Other Information Permanent Resident (US Green Card)

Professional references will be available upon request

Contact this candidate