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Amperesand

Modular solid-state transformers for grid power

Technical Program Manager - Data Center Power Systems

Implementation & Technical Account ManagementConfirmed live in the last 24 hours
Full-timeSunnyvale, CA, USA

About the Job

Requirements

  • A Bachelor of Science or Master of Science in Electrical Engineering, or equivalent demonstrated technical depth in power systems.
  • At least 4 years in a customer-facing technical role such as applications engineering, technical account management, systems engineering, or design engineering with direct customer ownership.
  • Strong working knowledge of data center electrical design and power infrastructure, including medium-voltage distribution, switchgear, transformers, UPS and BESS, standby generation, transfer schemes, and common redundancy topologies.
  • Ability to independently author single-line diagrams using AutoCAD Electrical, EPLAN, Visio, draw.io, or equivalent.
  • Practical understanding of protection and coordination, including transformer winding configurations and fault behavior, grounding schemes, ANSI protective functions, short-circuit and arc-flash considerations, and utility interconnection requirements.
  • Track record producing customer-grade technical documentation and submittal packages under revision control and defending them before customer engineering teams.
  • Ability to run deliverable trackers, decision logs, and milestone schedules in Jira, Confluence, or equivalent, and hold cross-functional partners to dates.
  • Strong written and verbal communication skills, including the ability to address customer technical questions and close the loop on responses.
  • Willingness to travel up to 50% to customer sites, partners, and manufacturing, including internationally.

Responsibilities

  • Own technical relationships with strategic data center customers and their OEM, EPC, and switchgear integration partners; serve as the named technical point of contact, run recurring technical reviews, and lead design workshops.
  • Produce and maintain customer-facing single-line diagrams covering the medium-voltage path, transformer winding configurations and topologies, protection devices and functions, auxiliary power distribution, generators, BESS/DC-DC interfaces, test-bed and FAT configurations; drive internal review and alignment, then iterate against customer markups.
  • Own technical submittal packages for program milestones, including staged design document submissions, system block diagrams, sequences of operation, state diagrams, protection function schedules, datasheets and rating plates, skid and site layouts, interface control documents, serviceable-parts bills of materials, and FAT plans and reports.
  • Maintain deliverable schedules and design decision trackers; break customer commitments into internal actions across electrical, mechanical, firmware, software, compliance, quality, and supply chain; drive actions to closure and escalate schedule risks early.
  • Own RFI and technical inquiry responses, action-item logs, meeting minutes, and status reporting; provide customers with clear, accurate answers and leadership with an honest assessment of program health.
  • Partner with Test, Quality, and Service on factory acceptance testing, witness events, punch-list closure, site acceptance, and handover documentation.
  • Translate field and interface requirements into product requirements, and represent deployment constraints in specification and design reviews to improve integration, permitting, and serviceability of future products.
  • Join technical due diligence and evaluation conversations with prospective customers.

Desired Qualifications

  • Direct experience with hyperscale or colocation data center projects from the owner, EPC, OEM, or equipment-supplier side.
  • Background in power electronics, inverters, BESS, or medium-voltage power conversion.
  • Experience with auxiliary power system design (48VDC / 125VDC), controls integration, and industrial protocols such as Modbus, DNP3, or IEC 61850.
  • Familiarity with applicable standards, including IEEE C57, IEEE 1547, IEC 62477, UL 1741, and NFPA 70/70E, and compliance and certification workflows.
  • Hands-on FAT, commissioning, or startup experience on grid-connected equipment.
  • Experience at an early-stage hardware company introducing a new product category to conservative infrastructure buyers.

About the Company

Amperesand

Modular solid-state transformers for grid power

Amperesand develops modular solid-state transformers (SSTs) for grid infrastructure using silicon carbide (SiC) devices and proprietary high-frequency transformers. The SSTs are digitally controlled and bidirectional, offered in 2, 4, and 6 MW modules that can be combined to meet larger needs, replacing traditional transformers, switchgear, and UPS in a single AI-driven system. It differentiates itself through the combination of SiC SSTs, proprietary high-frequency transformers, digital power management, and leadership from NTU R&D spun out with Temasek’s Xora Innovation, plus an experienced team from ABB, GE, Siemens, and Vestas. The goal is to speed up the energy transition by delivering scalable, compact SST systems for EV charging networks, microgrids, data centers, and industrial power, with first deliveries planned for 2025 in the US and Singapore.

Company size
51-200
Company stage
Series A
Total funding
$130M
Headquarters
Singapore
Founded
2023

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