Data4

Communications

• Support for organizing events, assisting with the preparation of external appearances, monitoring events to follow, and drafting briefings for spokespeople
• Assistance in creating communication materials (brochures, presentations, key messages and figures…)
• Submitting entries to industry awards: monitoring and researching awards, preparing and tracking submissions
• Media monitoring and watch
• Support for press relations activities: drafting and sending press releases and media alerts, drafting responses to interview requests, and preparing pre-interview briefings
• Assistance in content creation: social media visuals, infographics, videos, blog articles…
• Assistance in managing social media (LinkedIn, YouTube, Instagram)

Communication Apprentice

Manager

• Establish long-term relationships with key suppliers
• Conduct RFIs/RFPs based on Data4's requirements
• Set up and manage energy supply contracts
• Support the long-term hedging strategy through the execution of Power Purchase Agreements (PPAs)
• Support the short-term strategy by monitoring the forward market and advising on timing for positions
• Manage complementary service contracts in countries where required
• Identify innovative solutions to meet customers' 24/7 carbon-free requirements
• Monitor energy markets across Europe
• Collaborate with Country Directors and their Finance & Operations teams
• Consolidate all energy-related costs across countries for customer billing

Energy Contract Manager

Security Engineer

• Participate in defining technical architectures within the security and network scope
• Implement technical architectures and ensure they meet the expressed functional requirements
• Ensure operational continuity at levels 2 and 3
• Analyze and monitor infrastructure performance to identify and resolve performance issues
• Define and execute action plans to achieve expected performance levels
• Resolve infrastructure-related incidents and communicate effectively with stakeholders
• Identify root causes of recurring issues and propose solutions to prevent recurrence
• Ensure IT infrastructures comply with security standards and regulatory requirements (e.g., PCI, ISO 27001)
• Implement monitoring systems to guarantee proper infrastructure operation and plan preventive maintenance activities
• Provide support to end users and partners for issues or questions related to security and network scope
• Identify opportunities to improve existing processes and technologies to maximize efficiency and performance

Security and Network Engineer

Accountant

• Organizing documents workflow for several entities in Data4 Group (Poland and other European countries)
• Processing cost invoices, assigning cost categories, posting bank statements and other documents
• Client billing
• Preparing payments, monitoring AP and AR balances and resolving disputes
• Managing and maintaining accurate accounting records (PL companies)
• Facilitating cooperation with external accountants for several entities (other countries)
• Assisting in preparation of VAT, CIT, WHT and other tax declarations
• Involvement in monitoring and reviewing tax compliance for PL companies, cooperation with external tax advisors
• Contributing to preparation of consolidation bundles and annual statutory financial statements
• Cooperation with external auditors
• Preparation of SOX controls associated with accounting function
• Involvement in implementing new IT tools and optimizing processes in finance department (SOX environment)

Supply Chain

• Define and implement the 5-Year Supply Chain Strategy, ensuring alignment with group priorities on CAPEX, OPEX, ESG, and Risk.
• Analyse spare-parts spend from both CAPEX and OPEX perspective (capital/insurance spares vs. consumable parts).
• Design the target operating model (Centralized–Hybrid–Local) and clarify governance and accountability across countries.
• Consolidate the map of critical spare-parts suppliers by category (Facility, Energy, Maintenance).
• Establish a Group Supply Chain Framework, including policies, templates, vendor qualification models, and KPI/SLA structures.
• Ensure global traceability and digital visibility of all supply chain workflows.
• Lead the transition from local to framework contracts for operational spare-parts categories.
• Negotiate and implement Group Framework Agreements with Tier 1 suppliers.
• Design and deploy a Centralized and Automated European Spare Parts Warehouse.
• Develop and maintain a Supply Chain Risk Matrix addressing sourcing, logistics, and supplier dependency risks.

Supply Chain Engineer

Sales Engineer

• The Sales Engineer provides technical support to the sales team.
• This support covers opportunities that need specialized expertise.
• As part of the Technical Sales team, the Sales Engineer helps grow company revenue.
• They also ensure that customer solutions can be implemented and supported for the full life of the contract.
• The Sales Engineer translates customer requirements into robust, deliverable data center infrastructure solutions and acts as the key technical interface between customers, sales team, the Design team, and international stakeholders.

• Provide technical support to the sales team.
• Help grow company revenue.
• Ensure customer solutions can be implemented and supported for the full life of the contract.
• Translate customer requirements into robust, deliverable data center infrastructure solutions.
• Act as the key technical interface between customers, the sales team, the Design team, and international stakeholders.
• Capture customer requirements accurately and translate them into deliverable technical solutions for new opportunities, amendments, and expansion projects.
• Validate solution feasibility across power, cooling, space, and operational constraints.
• Develop CapEx cost models for proposed solutions.
• Collaborate closely with the Design team and other internal stakeholders.
• Drive standardization and reuse of design components and solution approaches.
• Build the technical response to RFIs/RFPs.
• Validate the non-recurring costs (NRC) of each offer.
• Write and structure clear, customer-facing technical proposals.
• Lead presales activities focusing on hyperscale cloud providers, neoclouds, and enterprise customers.
• Act as the technical voice in key customer presentations.
• Build strong relationships with customers and internal stakeholders.

General

• Work as part of a team on technical activities related to Data Center infrastructure
• Monitor maintenance operations and manage incidents
• Prepare and follow maintenance schedules
• Perform rounds in the Data Centers and report any anomalies
• Participate in incident management and communicate with teams

Data Center Technician, HVAC & Electrical Maintenance

Customer Success Manager

• Ensure customer satisfaction, retention, and growth by delivering proactive, high-value, and personalized support throughout the customer lifecycle within our data centers.
• The Customer Success Manager (CSM) is the primary point of contact for the client for all types of requests.
• Manage customer communications (maintenance, events, incident management, improvement areas, technical work).
• Monitor and improve customer satisfaction.
• Manage client tickets using DATA4’s tools related to CSM activity.
• Identify cross-sell/up-sell opportunities (e.g., hands & eyes, contract upgrades, DR services, cloud services).
• Internal Coordination: Be the voice of the customer internally: contribute to continuous improvement in services, processes, and communication.

Senior Customer Success Manager – Strategic Accounts

• Ensure customer satisfaction, retention, and growth by delivering proactive, high-value, and personalized support throughout the customer lifecycle within our data centers.
• Act as the primary point of contact for the client for all types of requests.
• Manage customer communications (maintenance, events, incident management, improvement areas, technical work).
• Monitor and improve customer satisfaction.
• Handle all customer requests, informing management and impacted teams.
• Support clients during audits.
• Act as interface between customer requests and internal departments.
• Participate in internal meetings related to managed accounts.
• Provide on-call support as Head of Customer Success.
• Identify cross-sell/up-sell opportunities.

• Ensure customer satisfaction, retention, and growth by delivering proactive, high-value, and personalized support throughout the customer lifecycle within our data centers.
• Serve as the primary point of contact for the client for all types of requests.
• Represent DATA4 during the Operations/Run phase, which begins after contract signature and delivery of the agreed customer scope.
• As a member of the Sales Division, be accountable for the overall quality of service, with a particular focus on service continuity.
• Lead client onboarding: run kickoff meetings, grant portal access, and provide training on key procedures.
• Ensure execution of DATA4’s contractual commitments.
• Share deliverables such as KPIs, reports, and documentation.
• Prepare and lead customer meetings: steering committees, follow-ups, and audits.
• Draft and distribute meeting minutes (internal and external).
• Manage customer communications (maintenance, events, incident management, improvement areas, technical works).
• Support clients during audits.
• Handle all customer requests, informing management and affected teams.
• Participate in internal meetings related to managed accounts.
• Act as part of the customer-defined escalation chain.
• Monitor and improve customer satisfaction.
• Provide on-call support as Head of Customer Success when required.
• Act as an interface between customer requests and internal departments.
• Maintain up-to-date documentation.
• Manage client tickets using DATA4’s tools related to CSM activities.
• Manage customer satisfaction processes (surveys, churn analysis, recommendations, DATA4 events).
• Identify pain points or areas for improvement and coordinate internal corrective actions with support, technical, and network teams.
• Identify cross-sell and up-sell opportunities (e.g., hands & eyes, contract upgrades, disaster recovery services, cloud services).
• Collaborate with Sales and Pre-Sales to design customer-focused solutions.
• Ensure strategic alignment and understanding of client needs via steering committees in partnership with the Sales team.
• Be the voice of the customer internally: contribute to continuous improvement of services, processes, and communications.
• Represent customer needs in internal committees (service, security, technical evolution).
• Define and document processes. Assess risks and opportunities and define action plans to achieve objectives.
• Manage communication with stakeholders involved in the process. Train and inform stakeholders on applicable rules and procedures. Enforce compliance with procedures and standards.
• Regularly coordinate with the Certification Manager and domain leads to ensure integration of Management System (SMI) topics, particularly during changes related to:
• o Organization
• o Equipment
• o Services
• o Contracts
• o Buildings
• o Stakeholders (clients, subcontractors, suppliers)
• o Regulations
• o Procedures
• Stay informed of market, technical, regulatory, and standards developments. Communicate changes to other process owners.
• Ensure proper documentation management (minimum one documentation review per year). Conduct an annual process review. Report non-conformities and monitor and report on process performance (KPIs and action follow-up). Participate in internal and certification audits.
• Ensure implementation of corrective actions. Propose improvements to workflows, KPIs, and documentation. Participate in management reviews when necessary and propose new action plans and objectives.

Compliance

• Monitor energy-related regulatory and normative developments impacting data center operations, energy performance and applicable obligations at both European and country level
• Analyse the operational impact of new regulatory requirements, identifying applicable obligations for sites, potential compliance gaps and actions required to ensure regulatory alignment
• Translate energy regulatory requirements into operational guidelines and action plans
• Ensure decision traceability, documentation of compliance evidence and timely escalation of topics requiring management arbitration
• Own the end-to-end process of energy-related disclosure obligations towards external bodies
• Define and communicate to local OPS teams the specifics of each disclosure obligation
• Define, maintain and continuously improve the Group-level governance framework for energy rebilling
• Act as the Group expert and single point of reference for Energy Efficiency Certificate schemes and equivalent mechanisms across DATA4’s European footprint.

Energy & Resource Compliance Expert

Financial Planning and Analysis

• Underwrite investment opportunities
• Prepare marketing materials for internal and external use
• Assist in and drive due diligence workstreams
• Perform complex financial analyses and valuations
• Model the impacts of returns on the business and within the portfolio
• Support investment and finance management teams on other corporate development transactions as required, including financings, acquisitions, business plan forecasting, and strategic planning
• Assist with preparation of board materials
• Maintain the business plan model

Investment Associate

• Join Data4's Investment team, supporting the group's growth and funding strategy
• Work closely with Investment Associates, Managers, and senior team members
• Engage in strategic analyses, financial modelling, market research, underwriting support, and stakeholder materials
• Gain exposure to corporate strategy and high-value investment topics in the fast-growing digital infrastructure sector

Investment Intern

• Reporting to the Group Accounting, Consolidation & Finance Transformation Director.
• Responsible for structuring, managing, and consolidating the financial operations of the Corporate entities in Lux.
• Structure the accounting organisation.
• Ensure the quality of accounting entries in the system, covering external and interco financing activities, OPEX and costs of M&A projects.
• Complete monthly, quarterly and annual closings under local GAAP and IFRS in a timely manner (quarterly consolidation package).
• Contribute to Financial fast close set up.
• Manage relationships with Local auditors up to the issuance of audit reports (Group audit and local statutory audits).
• Lead tax declaration processes with the assistance of external advisors and support the challenge of tax opportunities managed by Head of Tax.
• Support ad-hoc analyses and studies, particularly in close relationship with Tax Department (Transfer prices documentation) and Treasury Department.
• Ensure Tax compliance.
• Collaborate with other departments and coordinate all corporate finance structuring.
• Monitor monthly budget execution (Opex, Financing) in close interaction with the relevant departments at Corporate level.
• Prepare and oversee the budgeting and reforecasting process in collaboration with the concerned departments.
• Produce monthly performance analyses, dashboards, and activity reports for the finance department and executive committee.
• Contribute to optimizing the use of the finance system and participate in automating dashboard production.
• Prepare monthly cash flow forecasts and propose optimization.
• Organize the financing activities with a strong attention to internal control best practices and internal guidelines.
• Approve spending commitments in line with Group policies.
• Implement SOX procedures and documentation according to the yearly SOX group roadmap.
• Organize and plan the team’s activities, including OSP.
• Ensure scalability of the organization to support fast strategic development of the organization.
• Implement financing structuring collaboratively with Data4 Group departments.
• Set and monitor individual and collective objectives. Ensure team members’ skills development.

Communication Apprentice

Energy Contract Manager

Security and Network Engineer

Accountant

Supply Chain Engineer

Sales Engineer

Sales Engineer

Data Center Technician, HVAC & Electrical Maintenance

Senior Customer Success Manager – Strategic Accounts

Senior Customer Success Manager – Strategic Accounts

Senior Customer Success Manager – Strategic Accounts

Energy & Resource Compliance Expert

Investment Associate

Investment Intern

Head of Finance