Techconnect.id

Develops technology led finance and energy businesses

BESS – EMS & Microgrid Expert

Power Systems EngineeringPosted on Nov 13

Full-timeJakarta, IndonesiaNo salary listed

About the Job

Requirements

At least 3 years of direct, hands-on BESS and microgrid experience, within roughly 6 or more total years in power systems, renewable energy, or electrical engineering.
Have delivered at least two BESS or hybrid microgrid projects from design through commissioning, ideally at least 1 MWh each, with a clear personal role in sizing, design, or commissioning.
Have experience with at least one of solar-plus-storage hybrid systems, diesel-hybrid or off-grid microgrids, or commercial and industrial behind-the-meter BESS.

Responsibilities

Lead feasibility studies for BESS and microgrid opportunities, including load profiling, tariff and demand-charge analysis, diesel displacement, and techno-economic modelling using LCOE, LCOS, IRR, and payback.
Size BESS power and energy, PV, and genset capacity for hybrid and off-grid systems, including degradation, augmentation strategy, and end-of-life planning.
Define system architecture, including AC- versus DC-coupled configurations, PCS selection, grid-following versus grid-forming operation, black-start, and islanding capability.
Specify EMS and microgrid controller functions for peak shaving, load shifting, PV smoothing and ramp-rate control, spinning-reserve replacement, frequency and voltage support, and genset dispatch optimization.
Lead grid-connection and interconnection studies, including load flow, short circuit, protection coordination, and dynamic and stability studies, and ensure compliance with PLN grid code and SPLN requirements.
Ensure designs comply with applicable battery safety and fire protection standards, including IEC 62933, IEC 62619, UL 9540 and 9540A, and NFPA 855, as well as Indonesian K3 and electrical safety regulations.
Prepare technical specifications and RFQs for battery systems, PCS, EMS and controllers, transformers, and switchgear.
Run technical bid evaluations and vendor due diligence, including cell supplier reviews, factory audits, warranty and performance guarantee terms, and LTSA and O&M scope.
Negotiate and review technical schedules of supply and EPC contracts, including availability, round-trip efficiency, and capacity-retention guarantees.
Define performance KPIs, including availability, Performance Ratio, Energy Absorption, RTE, SoH, diesel saved, curtailment, and BESS Utilization, as well as monitoring and SCADA requirements.
Analyse operational data to optimize dispatch strategy, track degradation against warranty curves, and support warranty claims.
Support business development and proposal teams with technical solutions, budgetary pricing, and client presentations for commercial and industrial, mining, industrial, and island-grid clients.
Build internal BESS capability through templates, design standards, lessons learned, and mentoring junior engineers.
Deliver feasibility and sizing reports with techno-economic models for each opportunity.
Deliver basic and detailed design packages, including SLDs, protection philosophy, layouts, and control and EMS functional specifications.
Deliver grid-connection study reports and PLN submission packages.
Deliver technical specifications, RFQ packages, and bid evaluation reports.
Deliver fire and hazard risk assessments and a safety design basis.
Deliver FAT/SAT and commissioning test procedures and reports.
Deliver performance and degradation reports for operating assets.
Develop an in-house BESS design and procurement standard within the first 12 months.

BESS, EMS & Microgrid Expert

Techconnect.id · Jakarta, Indonesia (Hybrid) · Full-time · Posted 2026-11-13

Workplace: hybrid

Department: Group Companies

Description

Feasibility and system design

● Lead feasibility studies for BESS and microgrid opportunities: load profiling, tariff and demand-charge analysis, diesel displacement, and techno-economic modelling (LCOE / LCOS, IRR, payback).

● Size BESS (power and energy), PV and genset capacity for hybrid and off-grid systems, including degradation, augmentation strategy and end-of-life planning.

● Define system architecture: AC- vs DC-coupled, PCS selection, grid-following vs grid-forming operation, black-start and islanding capability.

● Specify EMS / microgrid controller functions: peak shaving, load shifting, PV smoothing and ramp-rate control, spinning-reserve replacement, frequency and voltage support, and genset dispatch optimization.

Grid integration and compliance

● Lead grid-connection and interconnection studies (load flow, short circuit, protection coordination, dynamic/stability studies) and ensure compliance with PLN grid code and SPLN requirements.

● Ensure designs comply with applicable standards for battery safety and fire protection (e.g. IEC 62933, IEC 62619, UL 9540 / 9540A, NFPA 855) and Indonesian K3 / electrical safety regulations.

Procurement and vendor management

● Prepare technical specifications and RFQs for battery systems, PCS, EMS/controllers, transformers and switchgear.

● Run technical bid evaluations and vendor due diligence (cell supplier, factory audits, warranty and performance guarantee terms, LTSA/O&M scope).

● Negotiate and review technical schedules of supply and EPC contracts, including availability, round-trip efficiency and capacity-retention guarantees.

Operations and performance

● Define performance KPIs (availability, Performance Ratio, Energy Absorption, RTE, SoH, diesel saved, curtailment, BESS Utilization) and monitoring/SCADA requirements.

● Analyse operational data to optimise dispatch strategy, track degradation against warranty curves, and support warranty claims.

Business development and team support

● Support BD and proposal teams with technical solutions, budgetary pricing and client presentations for C&I, mining, industrial and island-grid clients.

● Build internal BESS capability: templates, design standards, lessons learned, and mentoring of junior engineers.

Expected deliverables

● Feasibility and sizing reports with techno-economic models for each opportunity.

● Basic and detailed design packages: SLDs, protection philosophy, layouts, control and EMS functional specifications.

● Grid-connection study reports and PLN submission packages.

● Technical specifications, RFQ packages and bid evaluation reports.

● Fire and hazard risk assessments and safety design basis.

● FAT/SAT and commissioning test procedures and reports.

● Performance and degradation reports for operating assets.

● In the first 12 months: an in-house BESS design and procurement standard for the company.

Requirements

● Minimum 3 years of direct, hands-on BESS and microgrid experience, within a total of roughly 6+ years in power systems, renewable energy or electrical engineering.

● Delivered at least two BESS or hybrid microgrid projects from design through commissioning (ideally ≥1 MWh each), with a clear personal role in sizing, design or commissioning.

● Experience with at least one of: solar-plus-storage hybrid, diesel-hybrid / off-grid microgrid, or C&I behind-the-meter BESS.

Benefits

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Apply at Techconnect.id

About the Company

Techconnect.id

Develops technology led finance and energy businesses

Techconnect.id brings together an Indonesian business ecosystem spanning technology-enabled financial services, energy and resources, and commercial ventures. Its stated financial activities include financing platforms, stock-market services, and asset management, while its energy interests extend to coal, renewable power, and related technologies. The group also describes ventures in media, streaming, consumer services, and digital education. Through TechConnect Academy and its learning ecosystem, it links education with industry needs and develops professional capabilities for its businesses. TechConnect lists its headquarters in Jakarta, Indonesia.

Company size: 5,001-10,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Not listed
Founded: Not listed

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