(Senior) Group Accountant – M&A Integration Specialist (m/f/d)

Role Overview Quantum Systems GmbH is looking for a (Senior) Group Accountant – M&A Integration Specialist to lead the operational side of post-merger integrations. This position sits in Gilching, Bayern, Germany, and focuses on bringing newly acquired companies into the Group’s accounting and financial structure. The role turns high-level integration strate…

Your Daily Responsibilities:Independently manage accounts payable, including verifying, classifying, and recording incoming invoices.Reconcile and maintain accounts payable accounts.Administer, record, and monitor fixed assets.Execute depreciation and maintain the asset register.Record and reconcile bank accounts.Handle payment transactions.Assist in monthly, quarterly, and annual financial statements preparation in accordance with HGB.Participate in internal and external audits.Enhance and develop accounting processes.RequirementsWhat You Bring to Our Team:You have completed a commercial training program, ideally with further education as a financial or balance sheet accountant.You possess several years of professional experience in financial accounting.You have solid knowledge in accounts payable, fixed assets, and banking matters.You are proficient in common accounting and ERP systems.You have excellent MS Office skills, particularly in Excel.You enjoy working in a structured, meticulous, and independent manner, and you maintain an overview even with complex tasks.You demonstrate strong teamwork and possess a pronounced numerical affinity.Why Join Quantum-Systems:We believe in the power of combined skills: clear technical expertise coupled with a customer-oriented approach.We are industry pioneers who are ambitious, bold, and visionary.We push boundaries, think outside the box, and strive for technological excellence to shape the future of aerial data.We promise to be your launchpad for personal and professional growth.Our Benefits:Employer-funded company pension scheme: We support you in preparing for your future.Flexible working hours: With trust-based working hours, you manage not only your working time but also your work-life balance responsibly.Remote working: If the office becomes too turbulent, you can achieve the necessary balance through remote work.Bike leasing: We support you in staying mobile and healthy in an environmentally conscious way.Corporate benefits: Your options to save on various purchases.

Your Daily Responsibilities:Prepare consolidated financial statements in compliance with IFRS.Consolidate financial data from subsidiaries, including capital, debt, expenses, and income.Provide technical support and advice on accounting issues to various entities.Develop and document IFRS accounting policies and guidelines.Assist in the preparation of monthly, quarterly, and annual financial statements.Collaborate with external auditors and internal stakeholders to ensure compliance and accuracy.Engage in special projects such as mergers & acquisitions and reporting enhancements.QualificationsWhat You Bring to the Team:A degree in Business Administration, Economics, or a related field.A minimum of several years of experience in group accounting, preferably within a public company.Strong knowledge of IFRS, with additional familiarity with HGB being a plus.Adept analytical skills with a structured and independent approach to work.Proficient in MS Excel; experience with ERP systems is advantageous.Why Choose Quantum-Systems?We harness the synergy of technical expertise and a customer-focused mindset.As industry innovators, we are ambitious, bold, and visionary.We challenge limits, think creatively, and aspire for technological excellence to shape the future of aerial data.We commit to being your platform for personal and professional development.Our Benefits:Company Pension Scheme: We assist you in preparing for your future.Flexible Working Hours: Enjoy trust-based hours that support your work-life balance.Mobile Work Options: Benefit from the flexibility of working remotely when needed.Bike Leasing: We promote environmentally friendly and healthy commuting.Corporate Discounts: Access attractive offers and discounts from renowned brands.Employee Events: Join us in celebrating our collective successes.Lunch Card: Enjoy a daily sponsored lunch budget to keep you energized.

As a pivotal member of our Integration team, the System Integration Engineer will serve as a crucial link between our hardware and software teams. Join our world-class team of four as we redefine the landscape of drone technology.You will collaborate closely with stakeholders across Electronics, Mechanics, Embedded Systems, and Production to ensure the delivery of a seamlessly integrated UAV, from initial PCBs and mechanical components to the final steps of production. By supporting Quantum Systems' mission, you will help us set the standard for aerial data collection solutions using unmanned aerial systems (sUAV).Your Daily Responsibilities:Addressing multi-disciplinary integration challenges and providing practical, efficient solutions to stakeholders.Contributing to the intricate design of our drone systems.Testing initial prototypes and first articles from the mechanics and electronics teams for functionality and electromagnetic interference (EMI).Developing embedded code to evaluate the functionality of microcontrollers and the PCBs they govern.Conducting flight tests and analyses as necessary to ensure optimal performance of our solutions.Resolving technical issues and facilitating the ramp-up of manufacturing during the initial production runs of each aircraft.

Join our dynamic finance team as an Accounting & Finance Intern where you will play a key role in supporting daily operations while gaining invaluable insights into the accounting processes of a globally active company. You will assist with essential bookkeeping tasks, invoice management, reporting, and preparations for monthly and annual closings, allowing you to translate your academic knowledge into practical experience.Your Daily Responsibilities:Assist in day-to-day accounting functions including accounts receivable and accounts payable.Review, code, and post incoming and outgoing invoices effectively.Support account reconciliations and resolve open items.Contribute to the preparation of payment runs.Assist in generating monthly reports and analyses.Help prepare annual financial statements (HGB, and if applicable, IFRS).Document international business transactions (EU/non-EU).Perform general administrative tasks within the finance department.

Your Daily Mission:Assist in the monthly payroll processing.Maintain and manage employee master data.Handle onboarding and offboarding processes.Communicate with health insurance providers, social security agencies, and authorities.Contribute to the preparation of certificates and reports.Support year-end closing activities in payroll.Serve as a point of contact for employees regarding payroll tax and social security inquiries.

Join Quantum Systems GmbH as an Electrical Integration Engineer specializing in UAV systems, where you will play a pivotal role in merging electrical design with mechanical integration and system architecture. Your expertise will guide the development and integration of wiring harnesses from initial schematic design through to 3D installation within advanced unmanned aerial vehicles. Collaborating closely with systems engineering, avionics, and mechanical design teams, you will guarantee that our electrical systems are not only robust and manufacturable but also seamlessly integrated with the overall vehicle architecture.This position demands a comprehensive understanding of electrical schematics, harness design, and spatial integration in 3D environments, along with the capacity to interpret and contribute to system architecture diagrams. You will be instrumental in ensuring that our UAV platforms meet stringent performance, reliability, and certification criteria.Your Daily Responsibilities:Design electrical schematics and wiring diagrams utilizing EPLAN Electric P8.Develop and route wiring harnesses in 3D with EPLAN Harness proD and CATIA.Integrate electrical systems into UAV structures, optimizing routing, protection, and maintainability.Collaborate with mechanical, avionics, and systems engineering teams to ensure alignment on interfaces and constraints.Interpret and contribute to system architecture diagrams and electrical system layouts.Define and manage electrical interfaces between subsystems (power, data, signal).Ensure compliance with aerospace standards, safety requirements, and best practices.Support prototype builds, testing, and troubleshooting of electrical integration issues.Generate and maintain design documentation, including BOMs, harness drawings, and integration guidelines.Promote continuous improvement in design processes, tools, and integration workflows.

As a Senior HR Business Partner (m/f/d), you will serve as a vital advisor to our leadership team, focusing primarily on the Research and Development (R&D) sector. You will actively contribute to the evolution of a robust and scalable HR Business Partnering function that significantly impacts our organizational growth.Your role involves close collaboration with various business areas to establish clear standards for teamwork, ensuring that HR is recognized as a key driver of growth, performance, and organizational advancement. You will blend strategic insight with effective execution, becoming a visible leader in promoting operational excellence.Key Responsibilities:Strategic HR Business Partnering (R&D Focus):Support designated business units, particularly in Engineering and R&D, providing guidance on organizational development, workforce planning, and talent management.HRBP Excellence:Set the standard for exceptional HR Business Partnering through clear consulting and effective execution.Business Collaboration & Execution:Translate business objectives into actionable people initiatives and work closely with HR Operations, Talent Acquisition, and Talent Development to implement them.Employee Relations Management:Handle intricate employee cases, including conflicts and performance issues, in a professional and solution-oriented way, collaborating with HR Operations and Legal as necessary.Organizational Development & Scaling:Identify organizational challenges proactively and develop sustainable solutions to enhance team dynamics, structures, and roles, particularly in the context of scaling R&D.HR Operating Model & Collaboration:Work closely with HR functions to ensure effective processes and clear interfaces that maximize HR's impact on the business.Data-Driven Insights & Prioritization:Utilize HR data and feedback to inform decision-making, prioritize initiatives, and implement high-impact solutions.

The C2 Integration Specialist plays a pivotal role in the design, implementation, and support of unmanned aerial systems (UAS) integration within Command & Control (C2) environments across tactical communication networks.In this dynamic position, you will guarantee the dependable and secure real-time transmission of video and data over military-grade communication infrastructures. Your collaboration with operational units, technical teams, and training personnel will facilitate seamless system integration and operational readiness in both lab settings and field conditions.Your Daily Responsibilities Will Include:Integrating UAS platforms and payload systems into current C2 architectures and operational settings.Configuring, testing, and optimizing real-time video and data streaming over tactical radio and IP networks.Ensuring secure and encrypted communication between drone systems and C2 infrastructure.Troubleshooting and resolving network, video, and integration issues in both lab and field deployments.Supporting operational teams during exercises, testing, and live deployments.Collaborating closely with operational units, IT experts, engineers, and external partners.Developing and maintaining technical documentation, configuration guides, and standard operating procedures (SOPs).Providing technical training related to system integration and operational usage.Continuously enhancing integration workflows and support tools based on field feedback.

Join quantumsystemsgmbh as a Project Manager specializing in Post-Merger Integration and transformation. You will be pivotal in translating strategic plans into actionable tasks within our rapidly expanding organization. Your primary objective is to ensure the seamless execution of complex integration and transformation initiatives, maintaining transparency and timeliness throughout the process. You will collaborate closely with C-level executives, synchronize various workstreams, and establish order amidst the fast-paced environment of change and speed. Your expertise in organization, stakeholder engagement, and execution will drive the growth and performance of our organization.Your role transcends traditional project management; you will foster momentum, alignment, and tangible results during critical growth and transformation phases.Your Daily Responsibilities:Oversee Post-Merger Integration (PMI) activities across all streams by utilizing tracking tools, structured meetings, and diligent action-item follow-ups.Ensure clarity and progress monitoring across PMI workstreams, timelines, and interdependencies.Deliver hands-on operational support for executive initiatives related to organizational readiness, development, industrialization, and scaling.Design and implement project portfolio structures, governance frameworks, and oversight mechanisms.Lead complex transformation and strategic projects in dynamic, high-growth settings.Serve as a crucial liaison between leadership, project stakeholders, and key partners.Uphold documentation standards and facilitate effective knowledge management across projects.Manage multiple priorities and workstreams concurrently while maintaining focus and clarity.Ensure alignment of projects with business objectives and deliver measurable outcomes.

Role Overview Quantum Systems GmbH is seeking a Senior Controller – Reporting & Insights (m/f/d) to join the team in Gilching, Bayern, Germany. This position leads the development and improvement of management reporting and insight generation. The main goal: turn financial and operational data into clear stories, actionable insights, and reports that help senior leaders make informed decisions. Key Focus Areas Develop and refine monthly management reporting to ensure clarity, accuracy, and relevance. Establish and maintain consistent reporting standards across the company. Work closely with FP&A, Accounting, and other business teams to create reports that serve as true steering tools, not just historical reviews. Challenge assumptions and highlight the meaning behind performance metrics. What You Will Do Management Reporting & Storytelling Lead the monthly management reporting process, always seeking ways to improve clarity and usefulness. Coordinate the collection, consolidation, and quality assurance of business commentary from all departments. Translate financial and operational results into structured narratives, highlighting key drivers, risks, and opportunities. Explain the significance behind the numbers and deliver actionable insights for leadership. Prepare high-quality presentations for management and board meetings. Insights & Performance Transparency Spot trends, patterns, and deviations in financial and operational data. Produce in-depth analyses and ad-hoc insights about business performance. Act as a central point for generating insights across functions, connecting data from various departments. Ensure transparency in business performance to support fact-based decisions. Operational Excellence & Automation Continuously improve reporting processes, structures, and outputs to meet high industry standards. Advance automation and standardization of reporting workflows to reduce manual work and increase speed. Work with BI and data teams to strengthen reporting capabilities and data models. Maintain data consistency and integrity in all reporting outputs.

As a Senior Software Production Engineer at Quantum Systems GmbH, you will spearhead the strategy and execution of production-grade deployment systems for our advanced drone technology, which encompasses both microcontroller firmware and embedded Linux platforms. You will take ownership of the entire rollout toolchain, establish quality gates, facilitate cross-functional root-cause analysis, and implement scalable, reliable, and auditable processes that underpin production scaling and continuous improvement.Collaborating closely with stakeholders from our software development teams (embedded and embedded Linux), as well as our testing, integration, and manufacturing teams, you will optimize and streamline the software rollout processes during production. Your contributions will be vital in achieving Quantum Systems’ vision of setting the standard in aerial data collection solutions utilizing unmanned aerial systems (sUAV).Your Daily Responsibilities Include:Design and maintain comprehensive production deployment pipelines for:Microcontroller firmware: including flashing, verification, configuration/calibration injection, and rollback strategies.NVIDIA Orin embedded Linux: focusing on image creation/deployment, provisioning, secure updates, boot reliability, and recovery.Define and develop robust production tools: including flashing stations, automation scripts, artifact/version management, logs/metrics, and user-friendly UIs/workflows.Establish quality gates and release readiness criteria for production software, including test coverage expectations, acceptance thresholds, and rollback plans.Lead complex debugging efforts across hardware, firmware, bootloaders, OS, and factory test systems, driving corrective actions and long-term preventative measures.Enhance processes for throughput: aim to reduce flashing times, minimize manual interventions, and improve stability and repeatability across multiple lines and sites globally.

As a Senior PCB Layout Designer at Quantum Systems, you will play a pivotal role in creating high-quality and reliable printed circuit board (PCB) layouts for cutting-edge electronic systems. Your collaboration with hardware engineers, mechanical designers, and manufacturing partners will be essential as you convert schematics into production-ready PCB designs. The position requires a deep understanding of signal integrity, power distribution, EMI/EMC considerations, and design for manufacturability (DFM). You will actively contribute throughout the entire product lifecycle, from concept to series production. A keen attention to detail and a structured, methodical approach are crucial for ensuring robust and high-performance designs. This role also involves driving innovation by optimizing layouts for performance, cost, and manufacturability while continuously enhancing design standards, libraries, and internal processes to improve efficiency and quality.Your Daily Responsibilities:Develop complex multi-layer PCB layouts in accordance with electrical schematics and design specifications.Collaborate with hardware engineers to establish stack-ups, routing strategies, and design constraints.Execute signal integrity, impedance control, and power integrity analyses during the layout process.Implement EMI/EMC best practices to ensure compliance with regulatory standards.Optimize the placement of components for thermal performance, mechanical constraints, and manufacturability.Prepare manufacturing documentation, including fabrication and assembly drawings.Engage closely with PCB manufacturers and assembly partners to address design-related challenges.Assist in prototype bring-up and troubleshoot layout-related hardware issues.Continuously refine PCB design processes, standards, and documentation.

As an RF Integration Specialist, you will assume both architectural and practical responsibilities for the physical RF layer of our innovative communication and sensing systems. Your expertise will ensure a robust, reliable, and production-ready RF performance.Your Daily Mission:Lead the selection, integration, and optimization of antenna systems for both airborne and terrestrial platforms.Assess and enhance antenna placement along with system-level RF performance.Assist in frequency up- and down-conversion for sensing applications exceeding 30 GHz.Choose, integrate, and fine-tune RF amplifiers and front-end components.Oversee and evaluate RF frontend hardware designs.Collaborate closely with signal processing and RF application teams for seamless integration.Validate RF performance via comprehensive measurements and system-level testing.

As an Export Specialist (m/f/d), you will play a pivotal role in ensuring our state-of-the-art UAVs and system solutions are safely and legally delivered worldwide. You will manage export and customs processes, collaborate closely with international partners and authorities, and guarantee that our products are reliably available across global markets. Your expertise will facilitate the journey of innovations from Upper Bavaria to the international arena.Your Daily Responsibilities:Preparation of all export documents (customs declaration, EUR1, COO, ATR, Carnet ATA).Application and correspondence for export permits with BAFA.Handling product classification with authorities.Communication with global distributors to organize orders and shipments (especially to third countries).Creation of order confirmations, invoices, and delivery notes in the ERP system.Support for the support team with returns and replacement deliveries.Collaboration with logistics service providers for the proper handling of international shipments.

In the role of Senior Sales Manager - Land Systems, your primary objective will be to strategically enhance and expand our partnership with the Bundeswehr. As a vital member of our Sales Team, you will be responsible for identifying opportunities and delivering innovative solutions, while actively engaging with customers to understand their needs and aligning with Quantum Systems' strategic vision as a leader in unmanned systems technology.Your Daily Responsibilities:Lead and cultivate opportunities within the Bundeswehr framework, fostering strong and reliable relationships.Identify and pursue new business avenues, crafting campaigns and strategies to broaden Quantum Systems' influence within the Bundeswehr's land ecosystem across multiple domains.Serve as the primary liaison for Bundeswehr stakeholders, coordinating internal resources to provide tailored solutions that meet client needs.Organize and facilitate account reviews, presentations, and strategic planning meetings.Oversee contract performance and customer satisfaction, ensuring prompt resolution of any issues.Collaborate with internal teams (Sales, Marketing, Product Management, Program, and Operations) to align on customer demands and deliverables.Remain updated on the early stages of the Bundeswehr’s procurement processes, organizational structure, and prevailing trends in the defense sector.

The Communications Team at Quantum Systems unifies all RF-related activities across communication and sensing technologies. This dedicated team oversees the entire RF system chain—from antenna integration to signal processing and software development—ensuring reliable, scalable, and mission-critical communication capabilities for our unmanned systems.As an RF Application Specialist, you will take comprehensive ownership of data links and communication behaviors, transforming RF capabilities into robust, scalable, and production-ready communication solutions.Your Daily Responsibilities:Develop and enhance data link architectures for single, multi, and swarm drone operations.Analyze and optimize data link performance across various operational concepts.Integrate, maintain, and enhance data link drivers (e.g., Silvus, Radionor, Zero-Phase, SatCom).Design and implement the data link management layer and hardware abstraction.Develop and integrate network management solutions supporting multiple communication channels (P2P, 5G, SatCom).Optimize data routing, prioritization, and bandwidth utilization in congested environments.Implement logging, diagnostics, and observability for debugging and post-mission analysis.Collaborate closely with embedded software teams to deliver production-ready communication software.

Join Quantum Systems GmbH as a Senior Sales Manager in our innovative “Blue Lights” division, dedicated to enhancing public safety through advanced drone technology. You will spearhead the integration of life-saving solutions into the operations of police, fire departments, emergency services, and civil responders across Europe. Your role is pivotal in transforming how these organizations utilize cutting-edge hardware, software, and AI to respond effectively and safely in critical situations. This isn't just about sales; it’s about making a real difference in the lives of those who serve and protect our communities.Your Daily Responsibilities:Develop and implement strategic sales initiatives to promote our drone-based intelligence, surveillance, and reconnaissance solutions tailored for civil emergency services.Establish and maintain strong relationships with key stakeholders in public safety organizations including police, fire, and EMS.Conduct market analysis to understand trends and customer requirements, enabling you to create custom solutions that deliver real value.Collaborate with cross-functional teams in marketing, product development, and customer success to ensure seamless support through the product lifecycle.Lead demonstrations, presentations, and training sessions to highlight the advantages and practical applications of our drone technologies.Oversee proposal development and contract negotiations with end-users and procurement entities.Define and monitor key performance indicators (KPIs) to assess the success of sales strategies.Represent Quantum Systems at industry events, trade shows, and conferences, enhancing our visibility and engagement within the sector.Generate forecasts and performance reports to identify opportunities for growth and areas needing improvement.Support marketing efforts by providing insights and content that strengthen outreach to civil emergency services.

Join Our Innovative TeamAt Quantum-Systems, we are at the forefront of aerial defense technology. Our revolutionary Counter-UAS interceptor utilizes a rocket-boosted, all-electric drone that can reach speeds of up to 400 km/h, delivering an impressive 10 kW peak power through our proprietary powertrain. With a design focused on mass production, we are setting new standards for high-performance, modular UAV systems.We are currently seeking a Senior Integration Engineer who will be instrumental in scaling this advanced technology from prototype to mass production, ensuring the successful deployment of thousands of units worldwide.Your ResponsibilitiesLead the system-level integration of the Counter-UAS platform, ensuring cohesive interaction among mechanical, electrical, propulsion, avionics, software, and auxiliary systems.Conduct hands-on troubleshooting and root-cause analysis of complex integration challenges in collaboration with mechanical, electronics, and software engineering teams, as well as external partners.Define and implement sub-system interfaces, coordinating with cross-discipline engineering teams and suppliers.Plan, coordinate, and execute integration, testing, and verification activities throughout the entire product lifecycle, from early prototypes to series production.Provide technical guidance and mentorship to junior engineers during integration, testing, and system validation phases.

As a Test and Production Specialist for our UAVs, you will play a crucial role in our team, ensuring the rigorous testing and fault analysis of our technically sophisticated UAS. Join our world-class team of 12 members and be a key player in pushing the boundaries of drone technology.You will collaborate closely with stakeholders in Systems, Testing, and Prototyping to deliver our products to customers on time and to the highest quality standards. Your efforts will support Quantum Systems in our mission to set the benchmark for aerial data collection solutions using unmanned aerial systems (sUAV).Your Daily Responsibilities:Conduct regular testing procedures in the testing department following established protocols.Independently manage our test stands for engine and servo tests, typically adhering to standardized processes.Perform consistent optical inspections on the drones, particularly examining surfaces for damage or deviations.Carry out test flights as a test pilot, following defined routines based on weather conditions.Ensure the consistent quality of produced items through regular checks.Assist manufacturing during routine checks, standardized tests, fault analysis, and repairs.Meticulously document each testing step to guarantee traceability and compliance.Support the continual update and adherence to work and testing instructions, primarily to ensure consistent procedures.Be responsible for the proper execution of recurring processes, maintaining cleanliness and organization in your work area.