Cost Manager (New York)

Company Overview:

GagaMuller is a Project Management Consultancy with specific divisions focused on providing Project Management, Cost Management, and Digital services to owner organization within the construction industry.

With a proven track record working alongside global technology leaders and data center developers, we combine local expertise with global standards to ensure projects are delivered on time, on budget, and to the highest quality.

At GagaMuller, we empower people and organizations to build with data.

Role Description:

We are looking for a Cost Manager to join GagaMuller . You will collaborate with experienced, diverse, and passionate teams, fostering a strong social dynamic and collective sense of achievement. This role offers you extensive industry exposure, helping you broaden your skills, open doors to new opportunities, and expand your perspective. We are committed to empowering you, providing real responsibility, and supporting your career growth through mentorship from industry leaders and the tools you need to succeed. You will also contribute to shaping our business strategy as we continue to grow. At GagaMuller, building lasting, trusted relationships with our teams and clients is at the core of what we do.

With a market-leading client base and the opportunity to take the lead on strategic commissions and high-profile projects, this is an exciting time to join the business unit and grow a career with GagaMuller.

The Opportunity

GagaMuller is supporting the delivery of major hyperscale data center developments across the United States .

As a Cost Manager , you will support the commercial management of major construction packages on behalf of the client, ensuring robust cost planning, procurement, cost reporting, forecasting, change management, and financial governance throughout the project lifecycle.

Working closely with Project Managers, Construction Teams, Design Teams, Project Controls, Procurement, contractors, and client stakeholders, you will provide commercial leadership across planning, procurement, construction, commissioning, and handover phases.

This role offers the opportunity to contribute to some of North America's largest mission critical developments while developing expertise within a fast-paced international construction environment.

Responsibilities

1. Scope & Delivery Management

• Manage the commercial delivery of construction packages throughout the project lifecycle.
• Prepare and maintain project budgets, forecasts, and cost plans.
• Review contractor applications for payment, valuations, and commercial submissions.
• Monitor project costs against approved budgets and identify cost risks and opportunities.
• Support procurement activities including tender preparation, tender evaluation, and contract award recommendations.
• Manage change control processes, variations, and commercial assessments.
• Support final account negotiations and project close-out activities.

2. Stakeholder Coordination

• Work closely with Project Managers, Design Teams, Construction Teams, Procurement, Project Controls, and contractors.
• Attend commercial meetings, project reviews, and client progress meetings.
• Coordinate commercial inputs across multidisciplinary project teams.
• Provide commercial advice and cost reporting to client stakeholders.
• Develop strong working relationships with contractors, consultants, and supply chain partners.

3. Risk & Compliance Management

• Identify and manage commercial risks throughout the project lifecycle.
• Review and assess variations, change events, and contractual implications.
• Support contract administration in accordance with project requirements.
• Monitor contractor commercial performance and contractual compliance.
• Ensure commercial activities comply with project governance procedures and client reporting requirements.

4. Reporting & Documentation

• Prepare monthly cost reports, forecasts, and executive commercial dashboards.
• Maintain cost plans, change registers, risk registers, and procurement trackers.
• Produce earned value analysis, cash flow forecasts, and financial reporting.
• Support preparation of executive reporting and client presentations.
• Maintain accurate commercial documentation throughout the project lifecycle.

5. Collaboration & Integration

• Work collaboratively with Project Controls, Construction, Procurement, BIM, Design, Quality, Safety, and Commissioning teams.
• Support integration between commercial reporting, project schedules, procurement, construction, and commissioning activities.
• Promote commercial best practice across the project.
• Contribute to continuous improvement initiatives within the Cost Management function.
• Promote a proactive, collaborative, and solutions-focused approach to project delivery.

Qualifications

• Degree qualification in Quantity Surveying, Construction Economics, Engineering, Construction Management, or a related discipline.
• Strong understanding of cost management, commercial management, and contract administration principles.
• Experience using CostX, Cubit, Excel, Power BI, or equivalent commercial software.
• Excellent communication, organizational, and stakeholder management skills.
• Strong analytical capability with the ability to interpret commercial and financial project data.

What Experience We Are Looking For

• 5+ years' experience within Cost Management, Quantity Surveying, or Commercial Management on major construction projects.
• Experience working in consultancy, client-side, or main contractor environments.
• Experience delivering hyperscale Data Centres, Mission Critical, Industrial, Semiconductor, Pharmaceutical, Energy, or major Infrastructure projects.
• Demonstrated experience managing procurement, cost reporting, forecasting, valuations, change management, and final accounts.
• Strong understanding of construction contracts and commercial administration.
• Experience reviewing contractor commercial submissions and supporting project financial governance.
• Familiarity with NEC, FIDIC, EPC, or other major construction contracts is advantageous.
• Strong communication, commercial awareness, negotiation, and stakeholder management skills.
• Ability to work effectively within multidisciplinary project teams and fast-paced construction environments.

Benefits:

• Comprehensive healthcare coverage.
• Generous company pension contribution.
• Competitive annual leave allowance and work-life balance benefits.
• State-of-the-art technology and hardware.
• Social and fitness initiatives for employee well-being.
• Collaborative office environment that values teamwork and open communication.
• Mentoring and professional development opportunities.

Join GagaMuller and be part of a dynamic team that values your growth, well-being, and professional development. Apply now and contribute to our exciting projects that drive digital innovation and transformation.