Senior BESS Solutions Engineer

Role Overview

• Serving as primary technical contact for Australian customers, building relationships with both technical and commercial stakeholders.
• Supporting pre-sales alongside Sales: technical discovery, data-readiness assessments, and architecture discussions.
• Leading technical onboarding: reviewing Single Line Diagrams, mapping sensor hierarchies and configuring sensor specifications in Databricks before KPI rollout.
• Managing KPI rollout and validation: releasing TWAICE KPIs, diagnosing sensor data quality issues and aggregation errors.
• Leading performance analysis during commissioning and augmentation: interpreting capacity test results and producing executive-ready outputs.
• Surfacing recurring product gaps and customer feedback to Product and Engineering.
• Running platform training for performance engineers, O&M leads, and asset managers.
• Up to 40% travel for customer meetings and on-site visits across Australia.

Requirements

• BESS industry experience is required.
• You have worked as a performance engineer, systems engineer, or O&M engineer.
• Degree in Engineering, Science, or a related field, or equivalent demonstrated BESS experience.
• Comfortable with Python in an analytical context: processing sensor data, validating signal quality, debugging anomalies.
• Databricks experience is a plus.
• Deep knowledge of lithium-ion battery behavior, degradation mechanisms, capacity fade, DC internal resistance, SoC estimation, and cell voltage/temperature imbalances.
• Familiarity with BESS data flows and ingestion protocols (Modbus, IEC-104, OPC-UA, REST API, SFTP).
• Familiarity with the Australian National Electricity Market (NEM)
• including dispatch mechanics, FCAS markets, capacity credit obligations, and 5-minute settlement
• and how these shape BESS operating constraints and asset owner priorities.
• Communication is sharp and clear, no matter the audience.
• Organized, customer-focused, and comfortable in a fast-moving startup.

Tech Stack

• Python

Benefits

• Flexible Working: We trust you to get the job done.
• Remote-first with autonomy on how and where you deliver.
• Everyone comes together for our annual kick-off at Munich HQ.
• Equity Participation: Every employee is offered a stock-option plan so you can share in TWAICE’s success.
• Perks: Superannuation, 20+ days annual leave