Field Application Engineer

Allye Energy; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading energy storage company is seeking a Field Application Engineer to maintain high uptime for battery energy storage systems. You will be responsible for monitoring field performance, developing fixes for software issues, and providing customer support. The ideal candidate has over 5 years in field engineering, strong skills in C/C++ and Python, and a knack for problem-solving under pressure. Your role will be crucial in ensuring clean energy delivery, with the opportunity to lead a support team.

Qualifications

• 5+ years of production support for embedded or industrial systems.
• Strong knowledge of embedded systems including C/C++ and Python.
• Ability to stay calm and problem-solve under pressure.

Responsibilities

• 24/7 monitoring of field systems and first response to failures.
• Develop fixes for field issues with embedded software changes.
• Feed field intelligence back to Software Development.

Skills

Embedded systems knowledge (C/C++, Python)

Systems thinking

Ability to stay calm under pressure

Team leadership or mentoring

Experience managing remote/outsourced teams

Battery management systems

IoT monitoring platforms

CAN protocols

Education

5+ years in production support/field engineering for embedded or industrial systems

Job description

Allye Energy is revolutionising the energy storage sector with our cutting-edge Battery Energy Storage Systems (BESS) built using repurposed EV batteries.

Job Description

As Field Application Engineer, you lead our delivery engineering function. Every hour of uptime you maintain is clean energy flowing. You'll develop fixes for field problems (actual code changes, not just reports), build diagnostic tools, and feed intelligence back to software development.This is a critical hire. Be the guardian of our deployed battery energy storage systems—maintaining >98% uptime, providing exceptional customer support, and closing the feedback loop to product development. You won't just report problems; you'll solve them.

Responsibilities

Field Operations & Monitoring

• 24/7 monitoring of all field systems (through your team)
• First response to system failures and performance issues
• Remote debugging and problem resolution
• Customer operational reporting and communication
• Manage escalations and critical incidents

Technical Problem-Solving

• Develop fixes for field issues—actual embedded software changes
• Build diagnostic tools to find problems faster
• Root cause analysis with detailed documentation
• Remote system configuration and optimisation
• Lead Field Support team
• Coordinate outsourced support technicians (extended shift coverage)
• On-call rotation for critical escalations
• Train team on troubleshooting methodologies

Feedback Loop

• Feed field intelligence back to Software Development
• Track recurring issues and patterns
• Prioritise fixes based on field impact
• Document all incidents and resolutions systematically

Qualifications

Education & Experience

• 5+ years in production support/field engineering for embedded or industrial systems
• Strong embedded systems knowledge (C/C++, Python)
• Systems thinking and structured troubleshooting
• Ability to stay calm under pressure
• Team leadership or mentoring experience
• Battery management systems or energy storage
• CAN protocols and industrial communication
• Experience managing remote/outsourced teams
• IoT monitoring platforms

Additional Information

Please note that at this time we are unable to provide UK visa sponsorship