Jobs in the United States

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Added 6 mins ago
WW
Sr Consulting Systems Engineer, Higher Education CA
World Wide Technology Holding, LLC
Los Angeles, CA
- $165,000 to $175,000 USD / year
7+ years of progressive pre-sales experience in technical consulting, systems engineering, or technical specialist role, performing solution design and customer-facing responsibilities.
Added 13 mins ago
Senior Advanced RF Hardware Engineer
STR
Woburn, MA
STR’s Cyber Division is hiring a Senior Advanced RF Hardware Engineer who will leverage their RF, analog/mixed signal and system test skills to contribute to a multi-disciplinary team…
Added 14 mins ago
ST
Test & Characterization Senior Engineer
SkyWater Technology
Bloomington, MN
- $79,440 to $119,160 USD / year
Test Development: Collaborate with the design and product engineering teams to develop test methodologies and test plans for CMOS devices, SRAM, and analog/digital products.
Added 22 mins ago
Sr. Security Engineer
Sinclair Broadcast Group
Cockeysville, MD · Hunt Valley, MD
…Sinclair’s Information Security program. You will serve as a Senior Information Security Engineer focused on Security Operations, incident response, and advanced detection engineering. You…
Added 24 mins ago
WD
Sr Software Engineer
Walt Disney Attractions Technology LLC
Glendale, CA
- $137,200 to $193,200 USD / year
This role sits within the Technology & Digital organization for Disney Experiences and collaborates closely with cross-functional teams across the company. The Senior Software Engineer will…
Added 28 mins ago
Senior Staff Software Engineer
ASSA ABLOY
Eden Prairie, MN
An Amazing Career Opportunity for a Senior/Staff Software Engineer!!
Added 31 mins ago
Senior ASIC Design Verification Engineer, Machine Learning
Google
Sunnyvale, CA
…behind products loved by millions worldwide, and leverage your design and verification expertise to verify complex digital designs, with a specific focus on TPU architecture and its…
Added 31 mins ago
Energization Engineer - Instrumentation & Controls (I&C) Subject Matter Expert
FusionIRX
Boise, ID
FusionIRX is seeking an exceptional, highly experienced Energization Engineer – Instrumentation & Controls (I&C) Subject Matter Expert (SME) to provide technical leadership, engineering…
Added 48 mins ago
Senior Software Engineer
NICE
Sandy, UT
The Sr. Software Engineer designs, builds, tests, and maintains the NICE CXone platform. This role works across the full development lifecycle - from architecture and coding to production…
Added 48 mins ago
Senior Software Engineer
NICE
Sandy, UT
The Sr. Software Engineer designs, builds, tests, and maintains the NICE CXone platform. This role works across the full development lifecycle - from architecture and coding to production…
Added 57 mins ago
Senior Manager, Technical Portfolio Leader - Tax Transformation
Deloitte US
Houston, TX
Ability to perform job responsibilities within a hybrid work model that requires US Tax professionals to co-locate in person 2 – 3 days per week
Added 1 hour ago
Senior Cloud Engineer
Sinclair Broadcast Group
Hunt Valley, MD
Sinclair Broadcast Group seeks a motivated and experienced Senior Cloud Engineer to join the Cloud Engineering Team. The individual will develop, integrate, and support key Enterprise…
Added 1 hour ago
Sr. Design Engineer - New Products
Synthes USA Products, LLC Legal Entity
West Chester, PA
The role serves as a senior technical contributor within Design Engineering, working closely with Product Development Engineering, Manufacturing, Quality, Regulatory, suppliers, and other…
Added 1 hour ago
Senior Site Reliability Engineer
Tapcheck
Remote, United States
…pay. We're turning our DevOps function into a Site Reliability Engineering practice, and we're hiring a Senior Site Reliability Engineer to be the technical anchor of that…
Added 1 hour ago
Manager, Software Engineering, Data Platform
Circle Internet Management Services LLC
U.S., LA · U.S., DE · U.S., VT · U.S., ID · U.S., AK · U.S., WI · U.S., WA · U.S., VA · U.S., UT · U.S., TX · U.S., TN · U.S., SC · U.S., RI · U.S., PA · U.S., OR · U.S., OH · U.S., NC · U.S., WV · U.S., NY · U.S., OK · U.S., NJ · U.S., ND · U.S., NH · U.S., NV · U.S., MS · U.S., NE · U.S., MO · U.S., MN · U.S., MI · U.S., MA · U.S., MD · U.S., WY · U.S., ME · U.S., NM · U.S., KY · U.S., IN · U.S., KS · U.S., AR · U.S., IA · U.S., SD · U.S., IL · U.S., MT · U.S., GA · U.S., FL · U.S., DC · U.S., CT · U.S., CO · U.S., CA · U.S., AZ · U.S., AL
As the DP Engineering Manager, you will lead a team of senior data platform engineers through the next chapter of this platform: ensuring it is correct by construction, self-service by…
Added 1 hour ago
Senior Systems Engineer I
Elsevier Inc. Company
CA
About the role; As a Sr Systems Engineer you will support our AWS Cloud infrastructure, automation, and operational tasks. Working in partnership with product and engineering teams, this…
Added 1 hour ago
JL
Facilities Director
Jones Lang LaSalle
Boulder, CO
- $175,000 to $200,000 USD / year
…multi-site portfolio or large-scale critical facility. This senior leadership role is responsible for driving operational excellence, strategic planning, financial performance, and…
Added 1 hour ago
Senior Electrical Engineer - Contract to Hire $80-$150/hour
Presco Engineering
Remote, United States
Prominent technology companies outsource their most difficult design cycles to us. That’s because the big firms are highly risk averse. Fearing possible failure, they won’t try anything new…
Added 1 hour ago
Senior High-Speed Digital Hardware Engineer
Quest Defense Systems & Solutions, Inc.
Marlborough, MA · Cedar Rapids, IA
Quest Defense Systems & Solutions is seeking a Senior High-Speed Digital Hardware Engineer to design complex circuit cards for advanced aerospace and defense systems. You’ll work with…
Added 1 hour ago
Senior Platform Security Engineer (FTE / Hybrid)
NTT DATA Services
Irving, TX
We are currently seeking a Senior Platform Security Engineer (FTE / Hybrid) to join our team in Irving, Texas (US-TX), United States (US).
Added 1 hour ago
Lead Platform Engineer (FTE / Onsite)
NTT DATA Services
Irving, TX
Senior Engineer to lead the evolution of its infrastructure provisioning and automation ecosystem. This role is ideal for a strategic technical leader who excels in architecting scalable…
Added 1 hour ago
DSP Engineer - Audio Tech
Bose Corporation, U.S.A
MA
We are looking for a hands-on DSP engineer to join our Audio Technology engineering team. This role is well suited for a junior-to-mid level engineer who enjoys applying strong DSP…
Added 1 hour ago
Principal AI Engineer 3
Genpact LLC
United States
At Genpact, we don’t just adapt to change, we lead it. AI and digital innovation are transforming the way businesses work, and we’re at the forefront of it. Genpact’s AI Gigafactory, our…
Added 1 hour ago
Senior Software Engineer - Digital Transformation Solutions
HNTB Corporation
Atlanta, GA
We are seeking a Senior Software Engineer (Digital Transformation Solutions) to lead the architecture, design, development, and operation of business-critical applications. In this role,…
Added 1 hour ago
A
Senior Wastewater Project Manager
AECOM
Chelmsford, MA
- $175,000 to $200,000 USD / year
AECOM’s Water Business Line is seeking a Senior Project Manager with a passion for wastewater treatment plant evaluation and design, for the New England area. The ideal candidate will be…

Trystar Inc

Staff Power Electronics Controls Engineer

Merrimack, NH, United States

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Job details

Posting language: English
Posted: Nov 10, 2026

Original job description

Job Title: Staff Power Electronics Controls Engineer

Job Description

Trystar’s team members are our most important asset. We are looking for a Staff Power Electronics Controls Engineer to own the control strategy, modelling, simulation, and verification that make our power conversion products stable and predictable under real use conditions, from concept through certification and production release. You will set the technical direction for the control of active front-end rectifiers, DC/DC converters, three-phase grid-tied and grid-forming inverters, and energy storage systems, including converters that operate in parallel on a shared DC bus. You will lead stability and performance analysis as a senior individual contributor, specify how the controls run in real time, prove that hardware matches the models, and mentor the engineers who build and validate these systems with you.

Location: Merrimack, NH, or Pointe-Claire, QC, is preferred. Travel within North America up to 20%.

In this role you will:

Define control architectures for power conversion products, including active front-end rectifiers, DC/DC converters, three-phase grid-tied and grid-forming inverters, and energy storage systems.
Develop grid-following, grid-forming, and virtual synchronous generator (VSG) control strategies, including current and voltage regulation, droop control, virtual inertia, synchronization, and power-sharing functions.
Develop DC-bus control strategies for converters that operate in parallel on a shared DC bus, including bus voltage regulation, droop and current sharing, stability with constant-power loads, and coordination with energy storage to meet fast load-step response.
Create averaged, switching, small-signal, and discrete-time models of converters, plants, filters, grids, and loads using MATLAB, Simulink, and related tools.
Design and tune inner and outer control loops using Bode plots, loop-gain and frequency-response analysis, and other established methods.
Analyze stability margins, control interactions, resonance, weak-grid behavior, impedance characteristics, harmonics, transients, and robustness across operating conditions and component tolerances.
Develop and validate synchronization and grid-support functions, including PLL and PLL-less methods, active and reactive power control, volt-var, volt-watt, frequency-watt, ride-through, islanding detection, black start, and seamless operating-mode transitions.
Specify the real-time implementation of control algorithms, including sampling, discretization, computational delay, PWM, saturation, anti-windup, limit handling, numerical scaling, and protection coordination, and review the production code that embedded firmware engineers write against that specification.
Plan and execute model-in-the-loop, software-in-the-loop, processor-in-the-loop, hardware-in-the-loop, and laboratory validation, and use frequency-response analysis and system-identification techniques to correlate models with hardware.
Lead control-performance verification and provide test evidence for applicable standards and grid codes, such as IEEE 1547 and UL 1741, working with compliance engineers across multiple products.
Write control requirements, architecture documents, design specifications, analysis reports, test plans, and user documentation.
Collaborate with power electronics, magnetics, hardware, systems, firmware, test, compliance, and manufacturing engineers from concept through production.
Provide technical leadership for the controls workstream, including technical reviews, risk management, schedules, and design decisions.
Mentor controls, firmware, and power electronics engineers.

Qualifications

REQUIRED

Bachelor’s degree in electrical engineering or a related technical field, with 10+ years of relevant industrial experience in power electronics controls, converter controls, or grid-connected power systems.
Deep knowledge of AC/DC, DC/DC, and DC/AC power conversion topologies, converter and inverter dynamics, modulation methods, sensing, and control-oriented plant modelling.
Expertise in classical and modern control methods, including frequency-domain analysis, Bode and Nyquist techniques, stability margins, root locus, pole-zero placement, state-space analysis, observers, feedforward, and multiloop control.
Demonstrated experience designing and tuning current, voltage, power, DC-link, and energy-management control loops for power converters.
Experience with three-phase grid-following and grid-forming inverter controls, including VSG or equivalent virtual-oscillator, droop-based, or virtual-inertia approaches.
Knowledge of synchronous and stationary reference frames, space vector modulation, Clarke and Park transformations, sequence components, PLL-based synchronization, and weak-grid stability challenges.
Ability to perform small-signal, impedance-based, frequency-response, and time-domain analysis and to correlate analytical and simulation models with laboratory measurements.
Proficiency in MATLAB and Simulink for control modelling, simulation, code prototyping, and data analysis.
Hands-on experience validating control systems using oscilloscopes, power analyzers, frequency-response analyzers, grid simulators, dynamometers or programmable loads, and hardware-in-the-loop platforms.
Experience with IEEE 1547, UL 1741, and applicable interconnection requirements for grid-support inverter functions and certification testing.
Working knowledge of real-time digital control implementation on microcontrollers or DSPs, including C-based implementation constraints, sampling, PWM, ADC interfaces, interrupts, timing, fixed- or floating-point considerations, and debugging.
Ability to read mixed-signal and power electronic schematics and to collaborate effectively on sensing, protection, gate-drive, filter, and hardware-interface design.
Demonstrated technical leadership, documentation skills, and ability to mentor engineers.

PREFERRED

Master’s or doctoral degree in electrical engineering, controls, power electronics, or power systems.
Advanced experience with grid-forming controls, VSG, virtual-oscillator control, droop control, impedance shaping, or stability of inverter-dominated systems.
Experience controlling converters that operate in parallel on a DC bus, including droop and current sharing and stability with constant-power loads.
Experience with active front-end and Vienna rectifiers, including sequence-component control under unbalanced input voltage.
Experience with LCL-filter design and active damping, harmonic compensation, resonant and repetitive controllers, model-predictive control, adaptive control, or nonlinear control.
Experience with electromagnetic-transient or power-system simulation tools, such as PSCAD, or power electronics simulation tools, such as PSIM, in addition to MATLAB and Simulink.
Experience with Texas Instruments C2000, ARM, or comparable real-time control processors and automated control-code generation.
Experience with model-, software-, processor-, and hardware-in-the-loop test automation and requirements-based verification, using platforms such as OPAL-RT, Speedgoat, or comparable systems.
Working familiarity with CAN, Modbus, Ethernet, TCP/IP, device drivers, and diagnostic interfaces used to configure, monitor, and test control functions.
Experience with functional safety practices, such as IEC 61508, static analysis, unit testing, configuration management, and cybersecurity considerations for connected power converters.
NFPA 70E certification.

Skills

Strong analytical intuition for dynamic systems, stability, and power conversion behavior.
Ability to move effectively between mathematical models, simulation results, real-time implementation, and laboratory measurements.
Clear written and verbal communication, including documentation and explanation of control architectures, assumptions, tradeoffs, and test results.
Collaborative technical leadership across controls, power electronics, firmware, systems, and compliance teams.
Ability to plan and lead a controls workstream against a detailed development and certification schedule.

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More about this job

Skills

Power electronics
The MathWorks MATLAB
Firmware
Regulatory compliance
Documentation
Leadership
Risk management
Electrical engineering
Data analysis
Control systems
C
Debugging
Test automation
Unit testing
Cybersecurity
Communication skills

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Work requirements

Jobs in the United States