Field Applications Engineer - BESS
Solliciteren
Plaats
MechelenBelgië
België
Contract
Vooltijds, Onbepaalde duurDatum gepubliceerd
2026-03-05Online to:
2026-05-04EUR 15.00 HOUR
Field Applications Engineer - BESS
Do you enjoy working on real energy systems at the intersection of
engineering, customers, and deployment ? Are you comfortable switching between
technical due diligence ,
system integration , and
commissioning & troubleshooting ?
Octave is looking for a
Field Applications Engineer - BESS
to ensure our battery energy storage projects are technically sound from specification and procurement all the way to installation, commissioning, and reliable operation in the field.
Your role: As Field Applications Engineer - Battery Energy Storage Systems (BESS), you will be a key technical interface between
Sales, Purchasing, Engineering, and our customers/installation partners . You support customers and partners during the
installation, commissioning, and problem-solving
of their battery energy storage systems. You provide
technical support to Sales : validate use cases, review technical requirements, and support solution definition for BESS projects. You provide
technical support to Purchasing / supplier selection : review and challenge technical specifications, ensure compliance with requirements, and support technical evaluation of BESS components and systems. You perform
electrical and system integration engineering
for BESS projects at customer sites (interfaces, protections, controls, grid connection considerations, documentation). You
troubleshoot
electrical, system-level, and software-related issues in collaboration with the software and operational teams. You deliver
mainly remote support , with occasional
on-site support
whenever required. You
document
issues, solutions , and best practices to continuously improve internal processes, customer support and system reliability.
What we are looking for: A background as an
electrical engineer
(Bachelor or Master level, or equivalent experience). Knowledge of electrical systems , norms and regulations (electrical distribution and installation, transformers, earthing, protection equipment, AREI, …). Hands-on, problem-solving mindset
with a strong sense of ownership. Knowledge of
battery energy storage system
(batteries, inverters, EMS). Experience with
commissioning, troubleshooting, or field support
of Low voltage (up to 1000VAC and 1500VDC) AC and DC systems. Holding a BA5 certification is a plus but can also be obtained on the job. Willingness to interact
directly with customers and installation partners . Basic experience with or interest and willingness to learn: Linux bash, Python, Networking. You don’t need to be a software expert,
curiosity and learning ability matter more. Fluent communication skills in
English
and either
Dutch or French .
What we offer: A hands-on technical role in a fast-growing cleantech scale-up. Direct involvement in real battery energy storage projects. Flexible working hours with hybrid working (2–3 days in the office, 2–3 days remote, occasional on-site support). A collaborative team with strong expertise in batteries, energy markets, and software. Competitive salary package. Flexibility, autonomy, and room to grow technically and professionally.
Why Octave? Octave is a Belgian cleantech scale-up founded in 2020, specialized in
battery energy storage
and
energy management
solutions for
businesses . With over
120 MWh
of deployed
battery capacity
and the largest behind-the-meter battery fleet in Belgium, we operate at the cutting edge of flexible energy systems.
Supported by private investors, imec, and the EIC Accelerator Fund of the European Commission, Octave is scaling its technology and operations across Europe.
engineering, customers, and deployment ? Are you comfortable switching between
technical due diligence ,
system integration , and
commissioning & troubleshooting ?
Octave is looking for a
Field Applications Engineer - BESS
to ensure our battery energy storage projects are technically sound from specification and procurement all the way to installation, commissioning, and reliable operation in the field.
Your role: As Field Applications Engineer - Battery Energy Storage Systems (BESS), you will be a key technical interface between
Sales, Purchasing, Engineering, and our customers/installation partners . You support customers and partners during the
installation, commissioning, and problem-solving
of their battery energy storage systems. You provide
technical support to Sales : validate use cases, review technical requirements, and support solution definition for BESS projects. You provide
technical support to Purchasing / supplier selection : review and challenge technical specifications, ensure compliance with requirements, and support technical evaluation of BESS components and systems. You perform
electrical and system integration engineering
for BESS projects at customer sites (interfaces, protections, controls, grid connection considerations, documentation). You
troubleshoot
electrical, system-level, and software-related issues in collaboration with the software and operational teams. You deliver
mainly remote support , with occasional
on-site support
whenever required. You
document
issues, solutions , and best practices to continuously improve internal processes, customer support and system reliability.
What we are looking for: A background as an
electrical engineer
(Bachelor or Master level, or equivalent experience). Knowledge of electrical systems , norms and regulations (electrical distribution and installation, transformers, earthing, protection equipment, AREI, …). Hands-on, problem-solving mindset
with a strong sense of ownership. Knowledge of
battery energy storage system
(batteries, inverters, EMS). Experience with
commissioning, troubleshooting, or field support
of Low voltage (up to 1000VAC and 1500VDC) AC and DC systems. Holding a BA5 certification is a plus but can also be obtained on the job. Willingness to interact
directly with customers and installation partners . Basic experience with or interest and willingness to learn: Linux bash, Python, Networking. You don’t need to be a software expert,
curiosity and learning ability matter more. Fluent communication skills in
English
and either
Dutch or French .
What we offer: A hands-on technical role in a fast-growing cleantech scale-up. Direct involvement in real battery energy storage projects. Flexible working hours with hybrid working (2–3 days in the office, 2–3 days remote, occasional on-site support). A collaborative team with strong expertise in batteries, energy markets, and software. Competitive salary package. Flexibility, autonomy, and room to grow technically and professionally.
Why Octave? Octave is a Belgian cleantech scale-up founded in 2020, specialized in
battery energy storage
and
energy management
solutions for
businesses . With over
120 MWh
of deployed
battery capacity
and the largest behind-the-meter battery fleet in Belgium, we operate at the cutting edge of flexible energy systems.
Supported by private investors, imec, and the EIC Accelerator Fund of the European Commission, Octave is scaling its technology and operations across Europe.
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