The Project Controller is responsible for overseeing all financial aspects of service project execution, including preventative and reactive maintenance, performance monitoring, and warranty activities. This role manages budgeting, forecasting, cost control, revenue recognition, cash collection, risk management, and compliance across ongoing service agreements. As a key liaison between Project Management, Finance, and other departments, the Project Controller ensures accurate financial tracking, reporting, and governance throughout the full-service lifecycle, including contract execution, warranty periods, and continuous service delivery.

Key Responsibilities

• Budgeting and Forecasting: Develop and maintain project budgets, update forecasts, and manage cash flow projections
• Cost Control & Analysis: Track project costs, analyze variances, and support corrective action plans
• Project Monitoring & Reporting: Maintain performance dashboards and prepare periodic project financial reports
• Contract: Ensure contract terms are adhered to regarding financial reporting, milestones, liquidated damages and billing
• Risk & Change Management: Assess financial impacts of project changes and integrate approved adjustments into forecasts and billing
• Compliance and Governance: Ensure adherence to corporate, audit, and accounting standards (SOX, GAAP)
• Customer Billing & Invoicing: Oversee accurate and timely billing aligned with contract terms; support AR in resolving issues
• Month End Close: Apply appropriate revenue recognition methods (POC, milestone-based, straight line, time & materials) in accordance with accounting standards
• Oversight: Review and approve purchase orders, invoices, contracts all in line with budget and proper cost allocation
• Claims & Change Orders: Quantify, track, and support financial recovery of claims, variations, and change orders in alignment with contractual terms
• Warranty Management: Track warranty provisions, monitor actual warranty costs against accruals, and ensure appropriate financial reporting during the warranty period
• Commercial & Margin Support: Provide financial insights to improve project profitability and support bid/tender processes with cost benchmarks and risk assessments

Qualifications

• Bachelor’s degree in Finance, Accounting, Engineering, Construction Management, or related field.
• 5–7 years of project-controls experience in service projects
• Strong proficiency with NetSuite, Procore, and advanced Excel;
• Proven ability to communicate complex ideas simply and drive proactive process improvements.
• Takes initiative and contributes actively to a fast-growing, results-driven team

The Commercial Project Controller plays a critical role in supporting the sales process by ensuring that new project opportunities are financially sound, commercially viable, and aligned with the company’s risk appetite. This role partners closely with cross-functional teams to evaluate deal structures, translate contractual terms into financial outcomes, and support informed decision-making throughout the sales cycle.  By strengthening deal quality and improving financial visibility, the Commercial Project Controller helps optimize margins, reduce risk, and enable successful project execution.

Key Responsibilities

• Develop project financial models, cash-flow forecasts, and profitability analyses for new sales opportunities.
• Assess and structure commercial terms, including payment schedules, warranties, guarantees, and liquidated damages (LDs), to align with financial targets and risk guidelines.
• Partner closely with Sales, Sales Engineering, Procurement, Project Management, Legal, and Finance to evaluate assumptions and support contract negotiations.
• Translate contractual language into clear financial implications and provide actionable recommendations to leadership.
• Identify key financial risks within project proposals and prepare concise financial summaries for internal approval processes.
• Apply a strong understanding of revenue recognition principles to ensure deal structures are accurate, compliant, and support proper financial reporting.
• Support the standardization of pricing tools and continuously improve modeling accuracy across the sales cycle.
• Ensure a seamless handover from sales to project execution by providing complete and accurate commercial documentation.
• Contribute to margin optimization and improved forecasting accuracy through scenario analysis and benchmarking.
• Strengthen overall deal quality and financial outcomes across the project pipeline

Required Skills & Experience

• Strong financial modeling, cash-flow forecasting, and project profitability analysis skills.
• Solid understanding of commercial contract terms and their financial impact
• Knowledge of revenue recognition principles and financial compliance requirements
• Experience working cross-functionally with sales, legal, project, and finance teams
• Strong analytical, communication, and stakeholder-management skills
• Ability to clearly present financial insights and recommendations to leadership
• Detail-oriented with a proactive approach to risk identification and mitigation

What You’ll Bring

• A commercial mindset with strong financial rigor
• The ability to balance growth opportunities with risk management
• A collaborative approach and comfort working in a fast-paced, project-driven environment

What will you do?

• Lead the global budgeting process, ensuring alignment with overall financial strategy and business objectives.
• Build and structure the budgeting function from the ground up, including processes, timelines, and reporting frameworks.
• Partner closely with FP&A and finance leadership to support financial planning, forecasting, and long-term projections.
• Review, consolidate, and challenge budgets across regions, ensuring accuracy, consistency, and alignment with company goals.
• Analyze monthly, quarterly, and annual performance, providing insights on budget vs. actuals, variances, and key drivers.
• Support the development of financial models and projections, working alongside FP&A to inform decision-making.
• Partner with regional leaders to review variances, track performance, and identify optimization opportunities.
• Ensure strong financial governance and compliance with internal controls across all regions.
• Manage and mentor the Budget Controller US and Budget Controller LATAM.
• Prepare high-level financial reports and presentations for senior leadership.
• Support internal/external audit processes with budget-related documentation.
• Drive continuous improvement in planning, forecasting, and reporting methodologies. 

What are they looking for?

• 5–10+ years of experience in budgeting, FP&A, or financial planning roles, preferably in multinational or high-growth environments.
• Strong experience with budgeting, forecasting, and variance analysis.
• Exposure to financial modeling and projections, with the ability to partner effectively with FP&A teams.
• Proven ability to build or improve budgeting processes and frameworks.
• Strong analytical and problem-solving skills, with attention to detail.
• Advanced Excel and experience with ERP/planning tools (e.g., NetSuite, SAP, or similar).
• Strong communication skills and ability to work cross-functionally and across regions.
• Ability to operate in a fast-paced, evolving environment with a hands-on mindset.
• Fluent English required (Spoken and Written).

The Associate Asset Manager supports the operational, technical, and compliance oversight of grid-tied energy storage assets. This role focuses on ensuring assets operate safely, efficiently, and in full compliance with contractual, regulatory, and financial obligations.  The Associate Asset Manager works cross-functionally with O&M providers, OEMs, consultants, market operators, and internal stakeholders to protect asset value and optimize long-term performance.

Key Responsibilities:

• Support the Asset Management team in overseeing the day-to-day performance and operation of grid-tied energy storage assets.
• Monitor asset performance, availability, and operational KPIs to ensure assets are operating safely and efficiently.
• Support preparation of internal and external reports related to asset performance, operations, and compliance.
• Coordinate with O&M providers, OEMs, and other vendors to ensure preventive and corrective maintenance activities are completed in accordance with contractual obligations.
• Track asset compliance with regulatory requirements, grid interconnection agreements, permits, and market participation rules.
• Assist in managing relationships with third-party vendors, consultants, and service providers, ensuring performance aligns with contractual service levels.
• Review operational reports, maintenance records, and performance data to identify issues, trends, or opportunities for improvement.
• Support the tracking and resolution of operational incidents, outages, and underperformance events, including assisting with root cause analysis and corrective actions.
• Monitor and track warranty obligations, performance guarantees, and service agreement requirements. 
• Assist with maintaining and organizing asset documentation, including contracts, technical reports, compliance filings, and operational records.
• Review vendor invoices and support expense tracking to ensure alignment with project budgets and contractual agreements.
• Coordinate site visits, inspections, and technical assessments with internal teams and external consultants. 
• Maintain asset management trackers, compliance calendars, and operational databases.
• Identify operational risks and escalate issues to senior asset management staff when necessary.
• Support continuous improvement initiatives related to asset performance, operational processes, and vendor management.

Qualifications:

• Bachelor’s degree in engineering, energy systems, finance, business, or related field (required).
• 1-4 years of experience in renewable energy, energy storage

ON.energy is seeking a Technical Accountant to support complex accounting matters related to renewable energy projects, energy storage assets, project financing structures, and corporate transactions. This role will work closely with finance, development, legal, and operations teams across the organization and will support accounting and financial reporting under U.S. GAAP.

The ideal candidate has strong technical accounting knowledge, experience working with U.S.-based companies or multinational organizations, and excellent analytical and documentation skills.

Key Responsibilities

• Research and analyze complex accounting issues and prepare technical accounting memoranda in accordance with U.S. GAAP.
• Evaluate accounting treatment for project finance structures, joint ventures, leases, equity investments, and debt instruments.
• Support accounting for energy storage projects, asset acquisitions, and project development costs.
• Analyze and document accounting treatment for revenue recognition, consolidation, derivatives, and fair value measurements.
• Assist with financial statement preparation and disclosures in accordance with U.S. GAAP.
• Support month-end and quarter-end close processes related to complex accounting areas.
• Collaborate with internal teams to assess accounting implications of new projects, financing arrangements, and contracts.
• Support external audits and work closely with auditors.
• Maintain and improve accounting policies, procedures, and internal controls.
• Monitor and evaluate the impact of new accounting standards (FASB / U.S. GAAP).

Qualifications

• Bachelor’s degree in Accounting or Finance.
• 4–7 years of experience in public accounting, technical accounting, or corporate accounting.
• Experience working with U.S.-based companies or multinational organizations.
• Strong knowledge of U.S. GAAP accounting standards.
• Experience preparing technical accounting analyses or memos preferred.
• Strong written and verbal communication skills in English.
• High attention to detail and strong analytical capabilities.

Preferred Qualifications

• Experience in renewable energy, infrastructure, utilities, or project-based industries.
• Familiarity with project finance structures.
• Knowledge of accounting standards  ASC 606 (revenue recognition).
• CPA (U.S. or Mexico) or progress toward certification is a plus.

• Manage the General Ledger, ensuring all financial transactions are properly recorded, supported, and reconciled in accordance with internal accounting policies and US GAAP
• Prepare and review bank reconciliations, accounts payable, accounts receivable, prepaid expenses, depreciation, and other relevant balances.
• Support the execution of monthly, quarterly, and annual closings, including preparation of adjusting entries, variance analysis, and internal financial reports.
• Prepare consolidated financial reports, manage inter-company transactions, and coordinate with internal and external audits.
• Ensure compliance with US GAAP, accounting integrity, and internal controls, and provide proper documentation for audits.
• Collaborate with U.S.-based finance teams on financial analysis, budgeting, forecasting, and process improvements.
• Assist and participate in new ERP Implementation process.
• Roll up your sleeves and support day-to-day accounting needs while helping scale processes as the company grows.

Qualifications

• Bachelor's degree in Accounting (CPA certification preferred).
• Strong working knowledge of US GAAP.
• 5–10 years of hands-on accounting experience, ideally in fast-paced or high-growth environments
• Proven experience across general accounting, close process, and financial reporting.
• Comfortable operating both strategically and tactically — able to own processes while executing details.
• Experience with ERP systems (NetSuite, SAP, or similar).
• Fluency in English and Spanish (required).
• Highly proactive, detail-oriented, and adaptable — someone who thrives in a startup environment.

The Project Controller is responsible for overseeing all financial aspects of project execution, from budgeting to forecasting, cost control, revenue recognition, risk management and compliance. This role is a key liaison between Project Management, Finance and other departments to ensure accurate financial tracking, reporting and governance across the project lifecycle.

Key Responsibilities

• Budgeting and Forecasting: Develop and maintain project budgets, update forecasts, and manage cash flow projections
• Cost Control & Analysis: Track project costs, analyze variances, and support corrective action plans
• Project Monitoring & Reporting: Maintain performance dashboards and prepare periodic project financial reports
• Contract: Ensure contract terms are adhered to regarding financial reporting, milestones, liquidated damages and billing. Support claims preparation and claims resolution
• Risk & Change Management: Assess financial impacts of project changes and integrate approved adjustments into forecasts and billing
• Compliance and Governance: Ensure adherence to corporate, audit, and accounting standards (SOX, GAAP)
• Customer Billing & Invoicing: Oversee accurate and timely billing aligned with contract terms; support AR in resolving issues
• Month End Close: Finalize project margin and accruals; ensure accurate revenue recognition based on Percentage of Completion (POC)
• Oversight: Review and approve purchase orders, invoices, contracts all in line with budget and proper cost allocation. Manage warranties and spare parts, including tracking, coordination, documentation, and timely resolution of warranty-related actions

Qualifications

• Bachelor’s degree in Finance, Accounting, Engineering, Construction Management, or related field
• 5–7 years of project-controls experience in construction, EPC or long term service projects in energy storage industry or similar
• Strong proficiency with NetSuite, Procore, and advanced Excel
• Proven ability to communicate complex ideas simply and drive proactive process improvements
• Takes initiative and contributes actively to a fast-growing, results-driven team