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EnerSys

BESS Solutions Engineer

EnerSys

Solutions Engineer leading technical design and deployment in Battery Energy Storage Systems at EnerSys. Collaborating with cross-functional teams to deliver intelligent energy solutions.

Posted 7/22/2026full-timeAnytown • California • 🇺🇸 United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and deploying Battery Energy Storage Systems (BESS) with a focus on energy storage, power electronics, and microgrid applications. Proficient in using modeling tools for economic analysis and optimizing system performance while ensuring compliance with industry standards.

Highest-signal resume keywords
Battery Energy Storage System (BESS) DesignEnergy Toolbase ModelingHOMER Grid SimulationProfessional Engineer (PE) LicenseLoad Analysis and Site Assessment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Energy System ConfigurationGrid Interconnection PlanningROI ModelingDemand Response AnalysisLithium-Ion Battery SystemsPower ElectronicsMicrogrid ApplicationsEconomic AnalysisUtility-Scale ApplicationsBehind-the-Meter Applications
Soft Skills
Strong Communication SkillsConsultative ApproachCross-Functional CollaborationCustomer-Facing EngagementTechnical Presentation Skills
Tools & Technologies
Energy ToolbaseHOMER GridSTEM AthenaGeli ESystGrid Controls
Certifications & Qualifications
Professional Engineer (PE) License
Industry Keywords
NEC ComplianceUL9540 StandardsNFPA StandardsEnergy MarketsTariffsDemand ChargesRegulatory Frameworks

About the role

Key responsibilities & impact
  • Design customized BESS systems integrating battery technology, inverters, EMS, and grid/telco interfaces
  • Develop energy system configurations that optimize performance, reliability, and return on investment
  • Conduct load analysis, site assessments, and grid interconnection planning
  • Ensure all solutions are compliant with applicable standards (NEC, UL9540/9540A, NFPA, etc.)
  • Lead economic analysis using modeling tools such as Energy Toolbase, HOMER Grid, and Stem Athena (or equivalent platforms)
  • Simulate customer load profiles, rate structures, and system behavior for peak shaving, time-of-use shifting, demand response, and backup scenarios
  • Create ROI models, payback period forecasts, and total cost of ownership evaluations
  • Communicate financial outcomes clearly to both technical and executive stakeholders
  • Support Business Development Managers during the sales process as the technical subject matter expert
  • Deliver compelling technical and financial presentations to customers, EPCs, and channel partners
  • Respond to RFPs and coordinate with internal engineering, supply chain, and compliance teams
  • Provide engineering oversight during commissioning and integration
  • Partner with Field Services to troubleshoot, validate, and optimize system performance
  • Participate in continuous improvement initiatives based on project feedback
  • Provide structured feedback to product managers and engineering on solution gaps and customer needs
  • Help build internal tools, training content, and solution templates to scale field adoption
  • Monitor BESS market trends and competitor offerings

Requirements

What you’ll need
  • Bachelor’s degree in Electrical Engineering, Energy Systems, Power Engineering, or related technical field
  • 5+ years of experience designing or deploying energy systems, with emphasis on energy storage, power electronics, or microgrid applications
  • Direct experience using modeling tools such as Energy Toolbase, HOMER Grid, STEM Athena, or Geli ESyst
  • Familiarity with lithium-ion battery systems, inverters, and grid controls
  • Ability to lead customer-facing technical engagements and collaborate cross-functionally.
  • Professional Engineer (PE) license or equivalent credentials preferred
  • Knowledge of energy markets, tariffs, demand charges, and regulatory frameworks preferred
  • Experience with utility-scale and behind-the-meter applications preferred
  • Strong communication skills and a consultative approach to solution development preferred.

Benefits

Comp & perks
  • Equal employment opportunities to all employees
  • Prohibits discrimination and harassment of any type