O&M Supervisor

Sonnedix Group; Santiago; On-site; CLP 12,000,000 - 17,000,000; Full time

Benefits offered by this job

Hybrid working when possible

Generous annual leave + unpaid leave

Wellbeing support

AI learning & training

Career development opportunities

Job summary

Sonnedix is seeking an O&M Supervisor for the Librillo Battery Energy Storage System project in Tal Tal, Chile. This hands-on role oversees on-site operations, coordinates contractors, and ensures safe, efficient performance in line with contractual and regulatory requirements.

You will supervise preventive, predictive and corrective maintenance, support commissioning, monitor key performance indicators, and help manage budgets and spares. Chile-based travel within country may be required.

Qualifications

• Degree or technical qualification in Electrical Engineering, Electrical Technology or a related discipline.
• Experience in renewable energy operations and maintenance, ideally involving BESS, energy storage or Solar PV plus storage.
• Technical knowledge of Li-ion battery systems, BMS, EMS, PCS/inverters, transformers and LV/MV equipment.
• Strong commitment to health and safety, with experience in LOTO procedures, high-voltage environments and BESS-specific risks.
• Experience coordinating subcontractors, conducting on-site testing and carrying out fault diagnostics or Root Cause Analysis.
• Strong fluency with SCADA, EMS/BMS, CMMS/eMaint and digital tools to analyse performance and manage maintenance activities.

Responsibilities

• Oversee on-site operations and maintenance activities.
• Coordinate specialist contractors and ensure safety and contractual compliance.
• Monitor critical BESS performance indicators and manage maintenance plans, suppliers, spare parts and budgets.
• Support commissioning and operational handover, and assist data-driven decisions.

Skills

Coordinating subcontractors

SCADA systems

BMS/EMS know-how

Diagnostics & RCA

Health & safety

Education

Electrical Engineering degree

Electrical Technology qualification

Tools

CMMS

eMaint

SCADA platforms

Remote monitoring apps

Job description

The Role

Join our Operations team and play a key role in the performance and reliability of the Librillo Battery Energy Storage System (BESS). As O&M Supervisor, you will oversee on‑site operations and maintenance activities, coordinate specialist contractors and ensure the facility operates safely, efficiently and in accordance with contractual requirements, Chilean regulations and Sonnedix standards.

This is a hands‑on, field‑based opportunity for an experienced energy professional who enjoys working in a technically demanding environment. You will supervise preventive, predictive and corrective maintenance, support commissioning and operational handover, monitor critical BESS performance indicators and help manage maintenance plans, suppliers, spare parts and OPEX/CAPEX budgets. The position is based at the Librillo project in Tal Tal and requires availability aligned with operational needs, as well as occasional travel within Chile.

Desirable Skills And Experience

• Degree or technical qualification in Electrical Engineering, Electrical Technology or a related discipline.
• Experience in renewable energy operations and maintenance, ideally involving BESS, energy storage or Solar PV plus storage.
• Technical knowledge of Li‑ion battery systems, BMS, EMS, PCS/inverters, transformers and LV/MV equipment.
• Strong commitment to health and safety, with experience in LOTO procedures, high‑voltage environments and BESS‑specific risks.
• Experience coordinating subcontractors, conducting on‑site testing and carrying out fault diagnostics or Root Cause Analysis.
• Strong technology fluency, with confidence using SCADA, EMS/BMS platforms, CMMS or eMaint, remote monitoring applications and digital tools to analyse performance, manage maintenance activities and support data‑driven decisions.

We deploy AI across the business, from generation and trading decisions to the everyday workflows of every team. We invest in our people’s digital fluency so everyone works alongside these tools with confidence.

Studies show that many qualified candidates hesitate to apply unless they meet every requirement. If this role excites you, but you don’t meet every single qualification, we still encourage you to apply. We value diverse skills, perspectives, and experiences that contribute to a stronger team.

About Us

Sonnedix is a global renewable energy company delivering 100% clean electricity through a diversified portfolio of solar, wind, and storage assets.

With almost two decades of sustainable growth, we are committed to Powering a Bright Future, as we continue acquiring, developing, building, and operating renewable energy projects for the long‑term, delivering innovative, tailored, and fully renewable energy solutions to our customers.

We help you thrive at work and beyond: A people‑first company, committed to offer flexibility, a family‑first approach, wellbeing and training support, and – above all – team connection and community!

We are tech‑fluent by design: Technology isn’t a support function, it’s how we run. We deploy AI across the business and future‑proof your career by investing in our people’s digital fluency.

We have nearly two decades of sustainable growth: Our successful track‑record of nearly 2 decades is testament to our strong sustainable growth focus. We are a reliable partner and employer, for the long term!

We are truly diverse and inclusive: A culture of listening to each other, educating ourselves, and implementing changes to improve and ensure every member of our One Team feels and knows they belong.

Hear from some of our team about Sonnedix: https://www.sonnedix.com/careers

What we offer:

• One company, many careers - as the company grows, we offer the opportunity for you to develop your career with us
• An inclusive, international working culture with a diverse team of friendly professionals from across the world
• A commitment to flexibility – hybrid working, generous annual leave allocation with an additional four weeks of discretionary unpaid leave
• A family first company - generous paid parental leave and support for carers
• The ability to ‘work from elsewhere’, for up to six weeks in a year
• Summer working hours
• Financial, Social, Mental & Physical wellbeing support
• The Sonnedix Academy – a range of training and development opportunities including professional development, management and leadership programs, technical training, essential skills, DEI, mentorship and much more
• Dedicated learning paths, tools, and resources to help every colleague confidently use AI and digital tools in their work
• Fantastic office environments
• Social events, team building opportunities and One Team Network groups, which are employee‑led groups, based on shared identities, interests, backgrounds and life experiences

and many more local benefits!