Senior BESS Controls Engineer - Services & Grid Compliance

Fluence; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

Fluence, a global leader in energy storage and optimization software, seeks a Senior Controls Engineer – Services to lead BESS control system activities during the operational phase. You will drive performance, software lifecycle management, grid code compliance, RCA, and continuous improvement to maximize reliability and customer satisfaction.

Travel up to 10% within Europe; collaborate with Field Service Engineers and cross-functional teams; maintain documentation and enforce change management

Qualifications

• Bachelor’s or Master’s degree in Computer Engineering, Industrial Engineering, Automation, Controls Engineering, or a related field.
• Minimum 3 years of experience in controls engineering, software engineering, or automation within the power utility, renewable energy, energy storage, or related industries.
• Experience with the design, operation, and maintenance of power generation, energy storage, or high-voltage electrical systems.
• Strong understanding of electricity transmission and distribution networks, energy management systems (EMS), grid codes, and grid services applications.
• Experience developing, testing, and validating control algorithms and applications for grid-connected systems.
• Proven ability to independently resolve complex technical issues and implement sustainable corrective actions.

Responsibilities

• Lead the Services team delivering project-specific BESS control system requirements.
• Serve as the primary controls SME for customers, subcontractors, and internal stakeholders.
• Coordinate software and firmware upgrades with testing and rollback processes.
• Perform RCA of system events and implement corrective actions to improve reliability.
• Maintain documentation of software releases, updates, and configurations.

Skills

PLC programming

SCADA protocols

Python

Shell scripting

Linux

C/C++

Git version control

Model-based systems engineering

High voltage systems knowledge

Root cause analysis

Education

Bachelor’s or Master’s in Electrical/Automation

Tools

Simulink

GitHub

Python

Linux

Siemens relays

SCADA gateways

Job description

Fluence, a global leader in energy storage and optimization software, seeks a Senior Controls Engineer – Services to lead BESS control system activities during the operational phase. You will drive performance, software lifecycle management, grid code compliance, RCA, and continuous improvement to maximize reliability and customer satisfaction.

Travel up to 10% within Europe; collaborate with Field Service Engineers and cross-functional teams; maintain documentation and enforce change management