Tag Archives: Inverters

Sr Transformer Design Engineer

BSEE. Consistent experience designing transformers for UPS and inverter products, working with single and 3 phase, switchmode, ferro-resonance, high voltage & frequency – up to 3000KVA, and next-generation custom applications. Routinely provides redesign and streamlining of design process, test equipment, and component sourcing, resulting in up to 40% in cost reductions. Applies to industrial, oil & gas, utility and nuclear markets. 115K. 06102015.4

VP of Engineering – Solar Micro Inverters

Ph.D-EE. Manages global engineering teams on product development for micro and other inverters, from proof of concept to end-of-life/sustaining. Includes component level (magnetics, ASIC devices, capacitors), global supply chain development, cost reductions. Provides engineering training, and is key customer support for requirements definition and more. Works with next-generation grid-tied solar farm projects feasibility. Strong cross-functional team leader. Manages product trials. Uses Medici, Cadence, PSpice, PSCAD, ETAP. 15 Years. 145K. 06042015.7

Power Electronics Engineer-Industrial Vehicles

Ph.D-EE. Provides design engineering skill for industrial vehicle manufacturing and high temperature/high density power electronics including various types of inverters, converters, analog/digital circuitry, DC/DC. Performs simulations, verification, stress screening and EMC concerns. Has electro-mechanical and embedded FPGA skillsets. Uses LabView, Protel, Multisim, MATLAB, Simulink, Xilinx, PSpice, MathCAD. <5 Years. 80K. 06042015.5

ElectroMagnetic Design Engineer – PM Motors

Ph.D-EE. An electromagnetics specialist working with permanent magnetic motors, DC inverters, IGBT DC/AC converters, sensors, actuators and components for turbochargers, combustion engines. Provides calculations, analysis, control system setup, characterization. Resolves current loss/winding. Uses JMAG, Maxwell, Flux, MATLAB, AutoCAD, Simulink, Agilent, FEKO, Spice, PiSnoop. Publications. 95K. 06032015.5

Sr Power Electronics Design Engineer

MSEE. Power electronics design and test leader working with motor drives, electrical control panels, various topologies converters (DC/DC, AC/DC, DC/AC), inverters, battery test systems & chargers, magnetics, filters, gate drive circuitry. Strong in oil & gas industry (plus rig energy efficiency/storage) and renewable energy. Has quality focus and performs customer & product support. Uses AutoCAD, MATLAB, Cadence, Xilinx, LabView, Altium, Visio, IQS, 90K. 06032015.3

Principal Power Electronics Engineer – Contract Only

Ph.D-EE. Strong power electronics design consultant working with varied products:

  • Battery management systems (lithium, polymer), chargers, motor controllers, unique power supplies, high voltage inverters and IGBT drivers, power conversion solutions with special topologies, analog/digital circuitry and RF/wireless devices.
  • Products often R&D, radiation-hardened, and/or utility-grade for undersea, automotive, military, solar, industrial, commercial uses.
  • Develops specs, test procedures, and performs systems integration.

Background in robotics. Many patents. Contract Only. 130K. 05222015.01

Principal Power Supply/Motor Controls Engineer

Ph.D-EE. Specializes in power electronics design to include: Various power supply types, converters, inverters with various topologies, motors/drives (wound, rotor induction, magnetic, servo DC, stepper), DC /DC, PFC, “black boxes”, optoelectronics, fluid measurement/motion control. Expert at signal processing, analysis, measurement and control algorithms. Strong embedded skill working with C, CAN Open, ARM, DSP, FPGA and implementing GUI.  Background includes DO-178B and FAA standards. Awards, patents, pubs. MATLAB, Simulink, Vienna. 125K. 05212015.01

Sr R&D Electrical and Power Electronics Engineer

BSEE. Varied technical design background: Power conversion, motor control systems, next-generation solar inverters, propulsion drives, rotating machinery, analog power systems and hybrid marine/shipboard systems applications. Develops drive control algorithms and is often onsite installation and integration technical lead. Background in utility voltage regulation and control, and PFC. Designs to varied standards (NEC, UL, IEEE etc). Uses VxWorks, MATLAB. 15 Years. 05112015.5

General Manager/VP Sales & Marketing, Solar Inverters

MBA, BSME. Strong executive leader in 15/18kW 3 phase string solar inverter manufacturing. Multi-tasker with global/strategic account management, business development, customer support/relationships, marketing/presentations, negotiations and design wins, product management, product launches and licensing, and design team leadership. Negotiates 3rd party S/W agreements, secures interconnection with national utilities, executes UL certifications, marketing campaigns and branding. Has power electronics (drives), opto-electronics and embedded S/W background. Multilingual. Contact us for more details! 05082015.8

Sr Embedded Software Engineer – Inverter Controls

BSCS. Strong embedded software inverter controls lead engineer working with variety of related protocols, software and devices for products and design tools: CAN communications and TCP/IP stacks/data collection, I/O board modules, analog controllers, DSP, USB debug interfaces, EEPROM interfaces, synchronization schemes, event logging modules, plus algorithms (router, boost, etc). Industries: Solar/renewables-utility, automation, defense power, telecommunications. Uses C, Assembly, Unix, Linux, uCOS, CVS, GNU, Coldfire, ARM, Ethernet, SCADA. 120K.

Power Electronics / Embedded Controls Design Engineer

MSEE. Designs low to high power electronics: Converters (DC/DC, DC/AC, AC/DC), embedded FPGA, embedded ARM and MSP430 microcontrollers, planar transformers, switching power supplies, inverters, IR/capacitive sensors, PFC rectifiers. Work with virtually all converter topologies plus variety of types: Bidirectional, LLC resonant, soft-switching. Troubleshoots, designs schematics and PCBs, and works to comply to EMC standards. Uses Altium, PCAD, PSpice, Diptrace. Extensive honors and awards. <5 Years. 80K. 04202015.6

VP/COO, Power Electronics and Renewable Energy

MA/Biz Mgmt. Executive level operations leader, ensuring successful functioning of all company departments, multiple divisions and global locations/assembly plants for power electronics, systems engineering, telecommunications and utilities/renewable energy. Owns P&L, integrates acquisitions, improves delivery lead time tri-fold, and focus is customer satisfaction. Specializes in team building, turning around low performing companies into billion $ concerns, and implementing change for growth. Six Sigma/Lean. APICS/CPIM Certs. Please contact us for more details! 04202015.4

Principal Design Engineer-Power Electronics/LED Lighting

MSEE. Specializes in LED driver design and is engineering leader for various power electronics, including AC/DC & DC/DC converters (virtually all topologies), solar inverters, rectifiers, power supplies, and various power and display modules. Drives design from concept to PCB board to final test, regulatory compliance and production. Provides design process improvement and team mentoring. Brings value-add talents such as embedded software/microcontrollers, DSP, FPGA. MathCAD, MATLAB, Simulink, Simplis, Allegro, PSpice, C, Verilog, Assembly. 150K. 03232015.3

Lead Mechanical Engineer – EV Battery/Energy Storage

MSME. Provides mechanical/engineering design management and prototype leadership for battery management systems, energy storage and inverters for electrical vehicle/hybrid projects. Performs analysis (thermal, structural, vibration, safety elements), leads FMEA/root cause, conducts design reviews, and collaborates with overseas production efforts. Works to enhance overall product efficiency (i.e., increased energy density) and reduce production costs. Uses SolidWorks, Pro-E, Windchill, MATLAB, Simulink, Stateflow. Patents/Publications. Six Sigma. 120K. 031620115.5

Lead Power Supply Design & Reliability Engineer

MSEE. Leads large engineering design teams  for energy conversion, power distribution and magnetics equipment to include:

  • Switchmode power supplies, UPS, transformers, inverters, converters, and battery management systems/chargers.
  • Develops, trains and manages seasoned/high performing engineers, develops communication protocols for new product development, and implements high $ cost-saving changes to supply chain and processes.
  • Very strong quality and reliability focus as C.R.E. (5S, TQM, Six Sigma, ISO). Has won ISO facility certification.

Industries: Aerospace, defense, commercial, green energy, data centers. Contract or Direct. 145K. 03162015.3

Electrical Engineer – DC/DC Converters

MSEE. Power electronics design engineer specializing in isolated/non-isolated DC/DC converters with various topologies for aerospace, marine systems, and renewable energy applications. Also works with DC/AC, AC/AC and inverters, transformers, IGBT/MOSFET gate drivers, plus microcontrollers, wide bandgap devices (SiC, GaN). Performs design, redesign, schematic capture, PCB layout, prototyping, verification, simulation, test, debug and works to EMI/EMC concerns. Develops test fixtures and platforms. <5 Years. 70K. 03132015.4

Sustaining/Compliance DVT Engineer, PV Inverters

MSEE. In-depth experience in sustaining, reliability and regulatory compliance engineering for utility-scale solar photovoltaic inverters.

  • Product certification compliance to global standards: CE, UL, VDE, CSA, TUV, CQC, IEC, NEMA, IEEE, FCC.
  • Regulatory industry monitoring and research for NPI.
  • Design verification, qualification, risk analysis and environmental/reliability testing with station setups, experimental testing.
  • Expert with all testing, analysis and troubleshooting tools and skillsets.
  • Manufacturing and factory support; component engineering.

75K. 03112015.4

Controls Engineer, Solar Inverters

Ph.D-EE. Designs control algorithms for grid-tied solar inverters/microinverters, hardware and software applying to Smart photovoltaic string combiners, and DSP-based current monitoring systems. Has DSP embedded design experience. Performs simulation, modeling, component selection, thermal analysis and power efficiency calculations. Uses Altium, MATLAB, Simulink, PLECS, PSCAD, Spice series, MathCAD, Protel, and C, Code Composer Studio. Extensive publications. <10 Years. 95K. 03032015.3

Embedded Firmware / Power Conversion Engineer

MSEE/<15 Years. A dual talent engineering professional, providing embedded firmware development and power electronics design for solar and utility power generation. Has developed function architecture for entire PV monitoring system.

  • Works with photovoltaic, magnetics, converters (various topologies, ZVS, ZCS), inverters, gate drivers (IGBT, MOSFET), switchmode and more.
  • Embedded firmware, controls and devices involve 12C/SPI/USB communication interfaces, algorithm, DSP, FPGA/PCB layout.
  • Performs high level analysis (stress, reliability prediction, thermal); troubleshooting (also EMI/EMC); simulation; modeling; proves out UL/FCC testing.

Uses PSIM, SIMetrix, VHDL, Altium, Simulink, MATLAB, C. HazMat Certs. 120K. 02252015.01

Electrical EMC/Regulatory Specialist & Project Manager

Ph.D-EE/>20 Years. A multi-talented professional with extensive engineering design management and full responsibility for EMC mitigation. Leads special projects for highly innovative electrical grid products such as solar inverters with various embedded topologies for as-needed applications. Works with magnetic components, and various other high voltage electrical subsystems for utilities, solar and fuel cell power plants. Owns product EMC/EMI and noise mitigation program to ensure signal integrity, quality and resulting cost reductions. Reviews all mechanical, electrical and filter designs, tests and corrects product designs for regulatory compliance, and “walks” products through FCC/EMC certification. Has designed and built on-site EMC test laboratory. Has RF background and software development expertise. Multiple publications. 85-95K. 02242015.4

Regulatory/Compliance Test Engineer – Utility/Wind, Electrical Equipment

MSEE/5 Years. Brings electrical design talent to extensive expertise in safety certification and product performance testing to various regulatory standards compliance. Involves renewable energy/wind, power and utility-interactive equipment (PV, inverters, converters, combiners, transformers, breakers, switching, plus various industrial equipment). Is “go-to” for: IEEE 1547.1, CSA C22.2, UL/CSA 61010-1, ANSI C12.20/12.1, and UL 1741/1008/50-50E/1778/2200, NEC, NFPA (domestic, Canadian, international, inclusive). Analyzes, interprets and presents test results to customers, on and off-site, reviews schematics, maintains and calibrates lab test equipment, and develops test plans. Has project management experience and also a background in AC & DC motors and drives. 70K. 02182015.2

Senior Design Engineer – Power Supplies

MSEE. Designs power supplies (switchmode, pulsed 4kW, 300V, 45A), motor drives, planar transformers, converters / inverters (UCD3138), battery chargers, and drivers.

  • Is resonant PFC circuitry and various topologies expert (LLC, interleaved bridgeless, half bridge, phase shift ZVS, buck, flyback).
  • Mathematical modeling, simulation and designs to EMI and thermal management concerns.

Uses MATLAB, PSpice, OrCAD, LabView, Eagle, Altium, Simulink, Visio. Skilled in majority of lab test tools. 100K. 02042015.5

Chief Engineer – Power Electronics / Controllers

BSEE/>20 Years. An executive level engineering and product development leader for power electronics to include, in part: Energy storage, converters (100kW and up), inverters, amplifiers, analog circuitry, embedded firmware, FPGA, DSP, thermal systems, variable frequency/servo drives, and servomotors – applying to aerospace, military/defense, automotive and industrial.

Prior to current role, has held roles as general manager, engineering manager, and has founded small startups.

Identifies, develops and defines product specifications based on market and other global studies. Excels in startup environment to “hatch” engineering groups, and setup processes, control systems and functions (DFMEA, modeling, simulation, 3D PCB and layout). Creates strategic partnerships and joint ventures. Builds large, remote technical teams.

This is the type of candidate that companies build development groups around.

Uses Verilog, C, Embedded Coder, MATLAB, Simulink, PSIM, Altera, Lattice and more. Multiple publications and patents.

Contact us for more details!  02032015.6

Power Electronics Applications Engineer – Converters, Inverters

MSEE/15 Years. Comprehensive design and engineering applications experience for power management ICs applying to converters (DC/DC, AC/DC, step-up/down, up to several kWs) with all topologies (full/half bridge, push pull, buck, boost, flyback, forward) for ethernet devices, consumer electronics; DC/AC pure sine output inverters up to 500W; Class D amplifiers; and UPS systems for oil/gas. Supervises PCB layout, performs simulations, generates schematics and user guides/application notes. Proof concepts and presents demo boards to customers with evaluation and other technical documentation. Qualifies to DO-160/TSO-73. Extensive patent activity. Uses ORCAD, Spice family, PADS, ExpressPCB. 100-110K. 02032015.4

Power Supply Regional Sales and Marketing Manager

BSET, AASAET/>20 Years. A technical sales professional, business developer and tenacious/organized team player for standard and custom AC/DC, DC/DC products for military, medical and commercial industries. Also has a background with electric vehicle manufacturers, solar inverters and instrumentation. Has direct sales experience, develops customer relationships and effectively manages manufacturer reps. Has history of revenue growth (i.e., from $8M/year to $40M/year) and brings strong marketing expertise in the development of company literature and conducting presentations. 80K. 01292015.2

Senior Embedded Power Electronics Engineer

MSEE/10 Years. A strong, project related range of experience for embedded systems within various power electronics and real time operating systems (RTOS) firmware. Hardware includes microcontrollers and related devices, high/low voltage switchgear, UPS, converters (DC/DC, DC/AC and hybrid), power supplies, and motor controls. Varied circuitry expertise involving gate drives, sensors, power management ICs, op-amps and IGBT.

Performs complex calculations, ARC flash and load flow studies, algorithm modeling, verification, validation, simulation, integration, test and also program managing and new product development. Has additional background working in-depth with high voltage, various topologies, battery systems, turbines, fuel cells, and more. Substantial domestic and widespread international customer interaction. Applies to telecommunications, electric vehicles, renewable energy, industrial, power plants.

Vast array of tools, languages, etc: MathCAD, Matlab, Simulink, Stateflow, ETAP, GAMS; TCP/IP, Profibus; Perl, ARM and far to much more to list. 120-130K. 01262015.4

Contact us for more details!

Senior Electrical Hardware Design Engineer

BS-Physics, Chem, EE/>20 Years. Multi-faceted, senior level engineer working most recently with high-rel products such as mixed-signal, NFC, power conversion systems (to 30KW), solar cell array power point tracking, power line communications/PLM, switchmode power supply converters, inverters, regulators, circuit breakers and signal processing. Designs controllers for actuators; electro-optical and RF communications systems for avionics; spacecraft power systems, sensors, instrumentation and subsystems; and medical implants. Also has undersea sonar background. Strong, applicable regulatory compliance (MIL-STD-882, EMI, EMC, ESC) with risk analysis focus. Has strong patent processing expertise. Consultant or direct hire. Uses OrCAD, Capture, PSpice. 140-170K. 01232015.3

Sales and Marketing Manager – Renewable Energy

BA-Chem/>20 Years. A regional and national sales and marketing manager for photovoltaic systems and equipment (cells, modules), inverters, DC/AC, monitoring platforms, controls and automation. Employs go-to-market strategies, tactics and B2B/B2C principles for large and emerging renewable energy clients such as wind and solar, but also commercial (>50kW) and residential (>10kW). Implements CRM systems, and develops, manages and trains all sales channels and direct staff. Is an executive level professional. Available for full time roles or part time consulting work. 100K. 01192015.7

Senior Power Electronics Engineer

Ph.D.-EE/<5 Years. A highly educated power electronics engineer with a massive variety of products involved. A few are: Converters, inverters, power supplies, switch mode, topologies, instrumentation, MOSFET, power management ICs, DSP, ballasts, LED lighting, motor drives, energy storage, fuel cells, and renewable energy systems. Provides design, simulation, modeling, verification, debug, plus generates technical documentation, manages regulatory issues for team, works closely with suppliers and others, and FMEA. Has strong test skillset to develop plans and procedures, provide reliability and qualification testing plus variety of environmental tests. Very prolific technical author. Uses Matlab, Simulink, PSpice, DSPACE, Simplorer and much more. 80-90K. 01142015.1

Senior Design Engineer – Motors

BSEE/>20 Years. Concentrated experience in design of various types of motors / motor drives / controls, generators, rectifiers, inverters, converters, topologies, controls, magnetics, sensors, transducers, MOSFET, PCB and other test fixtures / equipment. Performs re-designs. Applications vary from avionics, pump systems, HVAC to elevator systems, CNC / manufacturing systems. Has SMT / CNC expertise. Uses AutoCAD, Procom Plus, Labview and more. 130K. 01132015.12

Design Engineer – Embedded Firmware / Power Electronics – Contract

MSEE-Honors/>20 Years. Vast variety of power electronics and semiconductor design to include: Power supplies, converters, drives, MOSFET, inverters, gate drives, high voltage, SoC, amplifiers, Smart battery power mgmt, Li-Ion, chargers, analog, digital, embedded microcontrollers, switch mode, thermals, signal processors and sensors. Industries are military, avionics, and space program. Special designs include transponding modems, flight hybrid ICs, signal processors and infrared detectors. Designs prototypes through lifecycle, performs variety of testing, applies ESD/EMI concerns, supports SBIR / writes technical proposals. LTSpice, CMOS, ISO. Prolific author, patents. Contract. 120-140K. 01132015.1


Contract Design Engineer – Motors, Magnetics

BSEE (plus)/15 Years. A well-developed engineering contract / consulting professional, working with aerospace and military/defense for design, test and simulation. Also performs PCB board and component level layout/development. Has considerable test technology: Develops bench fixtures, tooling and equipment. Performs evaluations and qualifications and monitors EMI. Circuitry, magnetics and power electronics include: Filters, DC/DC, AC/DC, DC/AC, converters, inverters, analog, digital, MOSFET, multiplexers, motor drives/controllers, FPGA, battery chargers, power supplies, topologies, and current protection technologies. Has product packaging background. Uses Spice family, OrCAD, Cadence and more. 170-190K. 01072015.11

Engineering Manager – Power Electronics

BS/20 Years. A frequent problem solver overseeing engineering groups for lifecycle of power electronics / power distribution, such as: AC and DC power, inverters, switch mode, fuel cells, backup power units, engines, microprocessors, instrumentation, test fixtures / equipment, PCB and components engineering. Has extensive product management and applications engineering background. Industries are mainly utility, OEM, telecommunications, avionics, aerospace, military. Works to stringent standards. Provides customer training, fault analysis,  and substantial documentation handling of all kinds. 90-100K. 01052015.10

Lead Power Electronics Design Engineer

Ph.D-EE/10 Years. Highly educated design engineering leader involving: Embedded firmware and software, motor drives, mixed signal, inverters, converters plus topologies, generators, protection and control, DSP, AC/DC, DC/AC, FPGA, amplifiers, microcontrollers, piezoelectric systems and more. Performs HMI customer training, complex analysis / calculations / design, 3D modeling, simulation, prototyping, FEA. Uses Matlab, Simulink, Cadence, PSpice, LaTeX and more. Publications. 100-110K. 01052015.6

Lead Electrical Engineer – Power Electronics

MSEE/10 Years. Strong power electronics leader working with inverters, filters, gate drivers, control circuitry, inductors, resistors, protection and control, DC/DC, power supplies, motor drives and more. Provides design and supervision, verifications, simulations, substantial test technology, debugging. Also experienced in complex calculations, drives manufacturing process efficiency, works to RoHS, EMC, thermal sciences, PCB layouts, prototypes and has strong topologies skillset. Patents. 130-140K. 01052015.5

Mechanical Engineer / Fluid Dynamics – Power Electronics

BSME-Honors/<5 Years. Drives computational fluid dynamics sales revenue: Supports marketing and sales, performs training / workshops, develops technical solutions and performs onsite customer demonstrations. Also has electro-mechanical power electronics background for solar, wind, commercial, automotive and military applications. Designs packaging, performs failure studies, thermal testing and optimization. Products: UPS, inverters, motor controllers, conductors, inductors, semiconductors. Uses Pro-Engineer, Creo, Solidworks, Matlab and more. 70-80K. 12052014.10

Chief Engineer – Power Electronics / Grid

Ph.D-EE/>20 Years. A high level engineering professional for solar grid / power plant electrical systems architecture. Provides plant design, validation, modelling, load profiling, reliability reviews, new product innovation, intellectual property management, project/program management, customer design reviews, engineering team management, funding/grant wins, technical proposal generation, first article builds, cost modelling, reliability studies and allocation of resources. Products / technologies: Smart Grid, DC/DC, DC/AC, converters, topologies, inverters, UPS, generators, controls, motor drives, analog, power protection, battery management / chargers, switch mode, MOSFET, stabilizers, excitations systems, magnetics, RF, SoC, power systems software and more. An excellent consultancy candidate. Collaborates with industry leaders. Multiple patents, publications and presentations. 200K. 12052014.3

Chief Design Engineer – RF/Microwave

Ph.D-EE>20 Years. A top talent RF/Microwave engineer, working with satellites and related systems concerns: GPS, navigation, Algorithms, FPGA, ASIC, digital signal processing, amplifiers, receivers, antennas, beam science, ultrasonic instruments, control loops, controller boards, etc. Expert with complex simulations and overall design, modeling, integration, real time test, debugging, data retrieval, algorithms, scan scheduling, investigates link failures, performs complex data analysis, extensive coding. Collaborates with several industry known subcontractors. Has experience with power electronics (inverters, controls). Fluent: Matlab, Simulink, Cadence, MWO, ADS, Spectrum Digital, NohauICE, Linux, QNX and more. Patent and publications activity. 150K. 12052014.2

Engineering Manager / Business Development – Power Electronics

ASEE(plus)/>20 Years. A multi-talented engineering management professional, overseeing large groups for power electronics in military, aviation, medical, industrial, telecommunications and commercial industries. Products / technologies involved: Power supplies, inverters, battery chargers, battery management, PCBs, AC/DC, DC/DC and more for product lifecycle. Drives extensive product development, proposal generation, develops global third party design teams, manages multi-engineering talent departments, implements new design tasks (i.e., 3D modeling), provides cost management, specializes in industry-specific regulatory standards (i.e., ISO, FAA), reorganizes engineering groups for functionality and brings value-add to projects managed. Patent activity, presentations and publications. 170-180K. 12042014.11

Power Electronics Design Engineer – Grid

Ph.D-EE/<10 Years. A power electronics design / modelling / simulations specialist with focus expertise on converters with various topologies, motor drives and energy storage systems. Also power supplies,  solar grid, Smart Grid, inverters, magnetics, digital signal processing, microcontrollers, FPGA, electric vehicle systems, GaN FETs, facilities infrastructures and networking (TCP/IP, VOIP). Industries are utility, solar and oil and gas. Interacts with manufacturers / suppliers on specifications. Uses Simulink, Python, MATLAB, OrCAD, PLECS and more. Vast amount of publications and presentations. 85-95K. 12042014.9