Senior Costing Manager

DayOne; Batam; On-site; IDR 350,000,000 - 550,000,000; Full time

Job summary

DayOne is seeking an experienced Senior Cost Manager to lead budgeting, cost control and contract administration for data center projects in Indonesia, including Batam and Jakarta. You will drive accurate cost estimates, monitor budgets, manage variances and deliver insightful financial reporting across a dynamic, global environment.

The role requires strong analytical skills, attention to detail and the ability to work with cross-functional teams.

Qualifications

• Bachelor-level degree in a relevant field such as quantity surveying, cost engineering, construction management, or mechanical/electrical engineering.
• Minimum of 5 years in cost control, quantity surveying or project control within industrial, construction, or data center sectors.
• Experience with Indonesia, APAC, or international projects is preferred.
• Strong knowledge of cost control principles, methods and reporting practices.

Responsibilities

• Develop accurate cost estimates for data center construction, covering materials, labor, equipment and overhead.
• Create and maintain project budgets aligned with client needs, timelines and margins.
• Monitor budgets, analyze variances and implement cost-control measures across the project lifecycle.
• Provide cost reports, forecasts and cash flow analyses to stakeholders.
• Identify value engineering opportunities and assess changes affecting cost and schedule.

Skills

Cost control

Budgeting

Contract management

Financial analysis

Education

Degree in Quantity Surveying/Cost Engineering/Construction Management/Mechanical Engineering

Tools

CostX

RSMeans

Primavera

Excel

Job description

Join DayOne – Shaping the Future of Data Infrastructure

DayOne is a global leader in the development and operation of high-performance data centers. As one of the fastest-growing companies in the industry, we’ve built a robust presence across Asia and Europe — and we’re just getting started. As we expand into new international markets, we’re looking for talented, driven individuals to join us on this exciting journey. This is more than a job — it’s an opportunity to be a key contributor to our dynamic team and help shape the future of global data infrastructure. If you're passionate about innovation, technology, and growth, we invite you to be part of DayOne’s next chapter.

JOB DESCRIPTION FOR SENIOR COST MANAGER

Job Summary

We are seeking an experienced Senior Cost Manager to manage and oversee budgeting, cost control and contract administration for data center construction projects in Indonesia including Batam and Jakarta. This role requires strong analytical skills, attention to details and the ability to work effectively in a dynamic, global environment. The required expertise in this role is instrumental in maintaining financial discipline throughout the project life cycle, minimizing the risk of budget overruns, enhancing overall project profitability and ensuring successful project delivery.

Responsibilities

Cost Estimation and Budgeting

Development of accurate cost estimates for Data Center construction projects, considering factors such as materials, labour, equipment, subcontractor costs, and overhead expenses. Review quantity take-offs from project plans and specifications to determine quantities of materials required for construction activities. Collaborate with project stakeholders including Product, Design, Construction, Procurement teams to review project plans, specifications, and scopes of work to ensure comprehensive cost coverage. Develop project budgets based on cost estimates, ensuring alignment with client requirements, project timelines, and profit margins. Monitor project budgets throughout the lifecycle of projects, identifying and addressing variances and deviations from planned costs.

Cost Analysis and Control

Support in establishing and maintaining cost standards/index for materials, labour, and overhead expenses. Monitor pricing performance and conduct pricing reviews to ensure alignment with overall business goals and financial objectives. Develop and implement robust cost control measures for project assigned to accurately track and manage project costs effectively without compromising quality and operational efficiency. Monitor and control project costs throughout the construction lifecycle, tracking expenses, analysing variations, and implementing appropriate measures to keep costs within approved budgets. Conduct regular cost variance analysis to identify areas of cost inefficiencies and opportunities for cost optimization to improve project profitability. Provide insights and recommendations to project teams on cost-related matters, including cost trends, cost drivers, and cost implications of project decisions. Identify opportunities for value engineering and cost-saving initiatives, proposing alternative construction methods or materials without compromising project quality. Assess the impact of design changes and contract variations on project costs, preparing change orders and cost estimates accordingly. Prepare regular cost reports, including budget forecasts, cost variances, and cash flow projections, providing accurate and timely financial information to project stakeholders. Potential cost risks and develop mitigation strategies to minimize financial impacts on the project. Conduct periodic cost audits to ensure compliance with established cost control procedures, contract terms, and industry regulations.

Financial Planning and Forecasting

Ensure accuracy and completeness of financial data related to construction projects, including revenue recognition, cost accruals, and project profitability. Collaborate with finance teams to integrate project cost data into financial reporting systems and models. Monitor key performance indicators (KPIs) related to costing and profitability Provide insights into project financial performance, highlighting key drivers, risks, and opportunities for improvement.

Contract Administration

Monitor and manage contract performance to ensure compliance with terms and conditions of contract. Coordinate with project stakeholders to resolve contract related issues. Provide guidance and interpretation of construction contract terms. Assist in the development and implementation of contract administration related procedures and policies. Handle contractual claims, disputes and negotiations related to contract changes or issues. Liaise with legal counsel to ensure all contractual matters are addressed and resolved effectively.

Compliance and Continuous Improvement

Support continuous improvement initiatives to enhance costing accuracy, efficiency, and effectiveness. Support in identifying opportunities to streamline processes, automate tasks, and leverage technology solutions to optimize costing practices. Stay abreast of industry best practices, regulatory requirements, and emerging trends in cost accounting and pricing. Ensure compliance with regulatory requirements, industry standards, and company policies related to project costing, accounting practices, financial reporting and contract administration.

Requirements

• Degree in Quantity Surveying/Cost Engineering/Construction Management/Mechanical Engineering/Electrical Engineering.
• Minimum 5 years of experience in cost control, quantity surveying, or project control within the industrial, construction or data center sector.
• Experience with Indonesia, international or APAC projects.
• Strong knowledge of cost control principles, techniques, and methodologies, with a proven track record of managing construction/industrial project costs effectively.
• Proficiency in reviewing quantity takeoffs, preparing detailed cost estimates, and conducting cost analysis.
• Solid understanding of construction materials, methods, and processes, with the ability to interpret project plans and specifications accurately.
• Experience working with industry-standard cost estimating software and tools (e.g., CostX, RSMeans, Primavera, Excel) to perform accurate cost calculations and produce detailed reports.
• Excellent financial analysis skills, including the ability to interpret financial data, identify trends, and provide insights for decision-making.
• Strong verbal and written communication skills in English and Bahasa Indonesia (Chinese would be an advantage) to effectively collaborate with project teams, contractors, suppliers, and clients.
• Meticulous attention to detail to ensure accuracy in cost calculations, reports, and documentation.
• Effective teamwork and interpersonal skills to collaborate within Indonesia and international project structures.
• Ability to work independently and manage multiple priorities in a face-paced environment.
• Experience in SAP or similar ERP solutions is advantageous.
• Professional certification (e.g., RICS) is a plus.

DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

DayOne is a data center pioneer that develops and operates next-gen digital infrastructure for industry leaders who demand reliable, cost-effective and quickly scalable solutions. Our cutting-edge facilities empower hyperscalers and large enterprises to achieve rapid deployment and enhance connectivity, driving transformative engagement and innovation as we shape the future of industries.

DayOne's data centers are located across key markets, including Singapore, Johor (Malaysia), Batam (Indonesia), Greater Bangkok, Hong Kong SAR, Tokyo, and beyond.

Headquartered in Singapore, DayOne’s leadership team draws on over two decades of industry experience and a track record of building Asia's largest data center business. With DayOne, they have created the SIJORI (Singapore, Johor, and Riau Islands) market as a global data center hub. As demand for strategically located and customized data centers rises, DayOne's entrepreneurial spirit, customer-first strategy, deep local partnerships, and agile executional capabilities uniquely position us to power the growth ambitions of leading hyperscalers and large enterprises around the world.