Daniel Siebert

It's Value · Stuttgart, Baden-Württemberg, Germany · Remote

• Help organizations turn technology spend into a managed capability across cloud, on-premises, SaaS and emerging AI services, working between finance, engineering, procurement and the business.
• Make costs visible, assign ownership, forecast with enough accuracy to decide, and remove waste without slowing delivery — through a FinOps operating model covering allocation, tagging standards, budgeting, forecasting, anomaly detection, showback/chargeback and unit economics.
• Optimize cloud spend with rightsizing, commitments and reservations, and unused-resource hygiene, and extend the same discipline to AI: cost-per-token, cost-per-inference, GPU utilization and allocation of shared platforms.
• Map technical costs to business services through IT financial management and TBM, and leave dashboards, working routines and stakeholder training so the capability continues. The work draws on an IT controlling and SAP FI/CO background together with hands-on AWS and FinOps practice.

Freelance · Stuttgart, Germany · Remote

• Developed cloud and IT operating model concepts for large-scale organizations across financial services, industrial manufacturing, healthcare and energy markets, translating technical operations into finance-steerable cost, governance and reporting models.
• Designed FinOps frameworks covering cost allocation, tagging governance, budget awareness and the integration of cloud consumption data into controlling and management reporting.
• Built AI-native document and process automation solutions using Obsidian, LangGraph workflow orchestration and multi-agent systems, including human-in-the-loop review gates, evidence management and full auditability.

Webeet.io · Amsterdam, Netherlands · Remote

• Acted as technical team lead for a group of 10 engineers, driving the design and operation of a secure, cost-optimized AWS infrastructure with a focus on reliability, performance and cost efficiency.
• Led network architecture initiatives including VPC design, public/private subnet segregation and hardened NAT gateway implementation to ensure robust and secure connectivity.
• Implemented FinOps automation measures such as automated shutdown of idle resources, orphaned resource cleanup and cloud cost alerting, resulting in improved cost visibility and efficiency.
• Established CI/CD governance, observability and operational standards using GitHub Actions, ADRs, CloudWatch, Prometheus, Grafana and Loki.

ISS Automotive GmbH · Stuttgart, Germany

• Advised the CFO directly on strategic finance initiatives and a turnaround program aimed at improving cost efficiency, financial transparency and operational stability.
• Served as the primary commercial finance partner for the Mercedes-Benz division, supporting 9 sites across Germany in cleaning, catering and technical services.
• Redesigned cost and revenue structures through contract reviews, SAP analyses and offer approval processes; reorganized monthly management reporting in preparation for the divestment of German business activities.
• Led monthly closing, variance analyses, budgeting and forecasting; managed critical balance sheet topics including IT cost-saving potential, fixed assets, accruals and open items.

Matrium GmbH · Ulm, Germany

• Led a Controlling team of 12 employees across multiple locations with full disciplinary and functional responsibility.
• Standardized and optimized monthly closing, controlling, reporting and planning processes at cost center level, covering direct costs, overheads, accounts receivable and accounts payable.
• Introduced weekly team routines, meeting documentation, a responsibility matrix and reporting structures by trade and cost center manager.
• Acted as finance point of contact for banks, insurance providers and the outsourced financial accounting provider; supported SAP FI/CO process changes and prepared the implementation of contract management software.

io-Consultants GmbH & Co. KG · Leonberg and Heidelberg, Germany

• Managed end-to-end controlling of IT and software projects, from proposal preparation and steering to invoice tracking and change request management; identified and reported time- and cost-related inefficiencies in project delivery.
• Supported post-merger change management, including process alignment, responsibilities and reporting structures.
• Created and implemented finance governance guidelines for transfer pricing and internally generated intangible assets; significantly expanded and structured the group's transfer pricing documentation (GAufzV, functional & risk analysis, intercompany transactions).
• Coordinated R&D activities and supported the implementation of a SAP PS-connected time recording and activity reporting system, including project assignment logic, resource mapping and audit-proof data handling.

• Focus on family with shared small trips and big everyday adventures.

Daimler Fleetboard GmbH · Stuttgart, Germany

• Prepared monthly closings, operational planning and budget reporting for IT- and service-related business areas.
• Managed cost center controlling, budget planning and variance analyses for IT projects and reseller implementation activities.
• Developed financial calculations for new business cases and supported OP planning for an international reseller implementation across multiple European markets.
• Worked on transfer pricing and resale-minus structures; acted as finance interface for sales, IT, accounting and management with commercial power of attorney.

Daimler AG · Stuttgart-Möhringen, Germany

• Managed IT cost center controlling, budget monitoring and financial steering for IT-related organizational units and projects.
• Maintained and structured budget and cost center data in Excel-based planning and reporting tools; coordinated operational budget planning and quarterly/year-end closing processes.
• Prepared variance analyses, defined corrective measures and created management presentations and decision papers for department and division-level stakeholders.
• Supported the rollout of an IT Financial Management planning tool and improved transparency in internal IT billing and cost allocation processes.

Matrium GmbH (Airbus subsidiary) · Unterschleißheim, Friedrichshafen and Ulm, Germany

• Managed strategic and operational planning for business units and support functions, including revenue, cost and resource planning.
• Prepared cost center planning, variance analyses and management reporting; led finance-related project workstreams including price calculations, contract negotiations and commercial decision support.
• Built Excel-based costing and recalculation models and modeled financial process flows for Airbus Helicopters-related inventory and invoicing workflows.