JUST ONE | Recruitment & Executive Search agency

Accounting Manager

• Lead and oversee all accounting operations, ensuring accuracy, completeness, and compliance with local GAAP and IFRS Group reporting requirements.
• Act as Class A’ certified accountant with full signing authority for statutory financial statements and tax filings.
• Ensure full compliance with Greek tax legislation, including corporate tax, VAT, withholding taxes, and other statutory obligations.
• Manage and coordinate all tax-related processes and act as primary liaison with external auditors, tax authorities, and regulatory bodies.
• Oversee month-end, quarter-end, and year-end closing processes, ensuring timely and accurate reporting to Group Finance and IFRS schedules.
• Supervise statutory financial statements preparation and submission in accordance with Greek regulatory requirements.
• Perform current income tax calculations, ensuring accuracy and compliance.
• Calculate and monitor deferred tax, including recognition, tracking, and reconciliation.
• Conduct reconciliation between tax and accounting bases, ensuring alignment and proper documentation.
• Provide guidance and leadership to the local accounting team and ensure continuous process improvement.
• Ensure compliance with labour legislation from an accounting and financial reporting perspective (payroll execution managed by HR, with accounting oversight as required).
• Support FP&A teams with accurate balance sheet reconciliations.
• Coordinate audit processes (internal and external), ensuring timely resolution of audit findings.
• Use ERP systems (e.g., SAP) for accurate financial processing and reporting.
• Perform monthly MyData reconciliation with ERP, ensuring completeness and accuracy of reported transactions and following up on missing or unmatched invoices.
• Manage weekly supplier payment processes, including review and update of the BPO list where required, and preparation of payments for suppliers, salaries, and taxes.
• Propose and participate in process improvement initiatives, automation projects, and internal control enhancements.

Tax & Accounting Supervisor – FMCG, Beverages

General

• Lead and mentor a small, multidisciplinary engineering team; plan weekly workload, oversee progress, and support growth and performance. (Covers people leadership, staffing, development.)
• Serve as the main technical interface with customers, with weekly touchpoints to capture and challenge needs, run technical discussions/workshops, and align on solutions.
• Translate customer needs into clear, traceable system‑level requirements and high‑level solution concepts and draft architectures.
• Contribute hands‑on to selected projects (e.g., architecture, requirements, mission analysis, software V&V), ensuring quality and delivery.
• Establish / improve practices and toolchains for requirements management, software V&V, and team workflows; champion continuous improvement. (Process responsibility and tool/process introduction are core expectations for our TLs.)
• Support proposals and reviews; help prepare and attend technical meetings, milestones, and audits with customers and partners.

Team Leader – Space Industry

Data Engineer

• Support the development and optimisation of neural‑network‑based models for on‑board processing.
• Contribute to dataset preparation, preprocessing, and evaluation workflows.
• Assist in prototyping machine‑learning algorithms in Python (PyTorch, TensorFlow, etc.).
• Participate in model optimisation for embedded or resource‑constrained hardware.
• Help integrate,test and benchmark AI algorithms on experimental on‑board computing platforms/accelerators (such as Neuromorphic or FPGA-based).
• Document technical results and support internal reviews.
• Work under the guidance of senior engineers in the Orbital-HPC team.

AI/ML Data Engineer

Systems Engineer

• Maintain and update the requirements database (IBM DOORS)
• Assist in requirements tracing, verification status tracking, and consistency checks across different system levels
• Deliver and review technical specifications exports from the requirements database
• Contribute to the improvement and documentation of requirements engineering processes
• Contribute to the projects’ documentation (specification tree, traceability matrices, progress reports)

Requirement Manager – System Engineer

Engineer

• Create validation test case specifications (VTS) for requirements based on technical specification TS (based on SRS and ICD, see inputs section of this document)
• Creation of traceability between requirements and test cases
• Development and execution of test scripts (XML based) for test cases using the internal tool TSVF (TS-Level Validation Framework)
• Creation of Software Validation Test Reports (SVR) with the Atlassian Jira/Xray toolchain
• Processing (creation, verification, and closure) of software problem reports (SPR)
• Processing (creation, verification, and closure) of software change requests (SCR)
• Fixing of test script issues within own developed test cases or already existing test cases

Verification & Validation Engineer

Hardware Engineer

• Lead technical activities in the area of high‑performance on‑board data processing and embedded hardware.
• Analyse system and mission requirements and contribute to architecture, design, and specification definition.
• Develop embedded solutions involving FPGA, processors, and high‑reliability hardware platforms.
• Implement algorithms on FPGAs and embedded processors using VHDL, C/C++, Python, or equivalent tools.
• Execute rapid prototyping and proof‑of‑concept evaluations for new technologies and methodologies.
• Contribute to proposals and technical volumes for ESA, Horizon Europe, and other tendering processes.
• Produce and maintain ESA‑compliant technical documentation (ECSS standards) across project reviews.
• Collaborate closely with software, firmware, and data‑processing teams to ensure integrated system performance.
• Support design reviews, technical meetings, and engineering coordination activities with partners and customers.

Tax & Accounting Supervisor – FMCG, Beverages

Team Leader – Space Industry

AI/ML Data Engineer

Requirement Manager – System Engineer

Verification & Validation Engineer

Embedded Engineer, Hardware