systems-engineer

JUST ONE is a Recruitment & Executive Search agency based in Greece, specializing in filling positions from Entry-Level to C-Level across Europe. With a team of 16 HR consultants, they utilize innovative talent search methods to guarantee quick results for their clients. They operate with a 'success fee model,' ensuring that clients only pay when their ideal candidate begins work. JUST ONE is committed to providing top-tier executive search services that revolutionize their clients' hiring processes.

JUST ONE is an Executive Search & Recruitment firm, providing Headhunting at all levels of seniority for all the sectors of industries. 
We are based in Greece, in France, in Italy, in Cyprus & in Egypt and we cover positions in Europe & Middle East.
Our strategy, determination and commitment are our strengths to identify, select and bring the right talents to the organizations.
We make the difference, presenting a large choice of candidates in a very short timeframe, providing efficient reports with crucial information on our candidates. 
Our main purpose is a win-win collaboration and our ultimate goal: the hiring.
Thank you for contacting us at info@justone.gr !

JUST ONE | Recruitment & Executive Search agency

• Analyze stakeholder needs and operational concepts to define system and subsystem requirements.
• Develop and maintain system architectures, including functional, logical, and physical views, using MBSE principles.
• Manage system models and ensure traceability of requirements, interfaces, and design decisions throughout the lifecycle.
• Define and manage system interfaces and interface control documentation for internal and external system interactions.
• Plan and support system integration and acceptance activities by defining verification strategies, acceptance criteria, and compliance matrices.
• Review system design and implementation artifacts to ensure alignment with requirements and architectural intent.
• Identify, assess, and communicate technical risks, trade-offs, and system performance impacts to engineering leadership and management.
• Support system deployment and installation from a systems engineering perspective, ensuring requirements compliance.
• Mentor and coach engineers to develop skills in systems thinking, MBSE, and the company’s engineering methodology.
• Contribute to team objectives by supporting cross-disciplinary activities outside immediate expertise when required.

Senior System Engineer

Senior Systems Engineer leading complex systems design and integration for a defense software company. Mentoring engineers and ensuring stakeholder requirements are met throughout system lifecycle.

We deliver Optasia, the AI Platform enabling financial access for the next billion customers. 

Α versatile, data-driven B2B2X (business-to-business-to-customers and SMEs) financial technology platform for MNOs, mobile wallet operators and financial institutions, which provides them accurate credit scoring for responsible financing decision-making. 

We support intelligent credit decisions, enable a broad range of financial services development and drive successful business models. All with ease, through our AI-led fully-automated decisioning algorithm, which allows us to efficiently make millions of decisions on financing, based on sophisticated data analysis.

Thanks to our technology and network we provide powerful flywheel effects with repeatable and scalable growth levers, to help our partners grow and enable financial access to retail & SME customers across numerous markets.

Operating since 2012 as Channel VAS and expanded in more than 30 countries in Africa, Middle East, Asia and LATAM with focus in emerging markets, Optasia Enabling credit decisions for an average of 88 million customers a month and had more than 560 million addressible subscribers in 2021, continuing to expand to new markets globally.

Optasia has been chosen as an investment opportunity by top firms such as Abu Dhabi's Waha Capital in 2017, and Ethos, a leading South African investment company in late 2018. The company also obtained ISO 27001 Certification in late 2021. Founded as Channel VAS in 2012, we became Optasia in 2022, incorporating a brand identity that more broadly reflects our capabilities.

Optasia

• Lead the design, implementation, and optimization of Microsoft-based systems for scalability, security, and performance.
• Take ownership of Windows and Azure architecture decisions, contributing to long-term infrastructure strategy and roadmap planning.
• Design and manage enterprise Active Directory environments, including GPO governance and identity management.
• Administer and optimize Windows Server 2022 / 2025 environments.
• Manage and enhance Microsoft Intune for endpoint lifecycle management, compliance enforcement, and secure device provisioning.
• Architect and support Azure environments, including identity, networking, backup, and disaster recovery solutions.
• Act as a technical authority during critical incidents: diagnose, troubleshoot, and resolve complex Microsoft-related production issues under pressure.
• Drive automation initiatives using PowerShell and Azure-native tools to eliminate manual tasks and improve operational reliability.
• Establish and enforce system hardening, compliance standards, and Microsoft security best practices (CIS, NIST, etc...).
• Administer and support collaboration platforms such as Jira, Confluence and Bitbucket, ensuring integration with infrastructure workflows.
• Mentor and support junior and mid-level engineers, fostering knowledge sharing.
• Collaborate with cross-functional teams to align infrastructure capabilities with business objectives.
• Evaluate and introduce new Microsoft technologies to enhance system resilience and performance.

Windows Systems Engineer, Fintech

Systems Engineer focused on Microsoft technologies at a global fintech leader. Leading design, implementation, and optimization of Windows and Azure infrastructure.

Το Φυσικό Αέριο Ελληνική Εταιρία Ενέργειας είναι ο ιστορικότερος ενεργειακός πάροχος στην Ελλάδα. Στόχος μας είναι να προσφέρουμε τις καλύτερες ενεργειακές λύσεις και εξυπηρέτηση τόσο για οικιακούς πελάτες, όσο και για επιχειρήσεις και μεγάλες βιομηχανίες. Με ιστορία 160 χρόνων, το Φυσικό Αέριο Ελληνική Εταιρία Ενέργειας φέρει μοναδική τεχνογνωσία και εμπειρία που του δίνουν ηγετική θέση στην ενεργειακή αγορά. Όραμα μας είναι να είμαστε στην πρώτη θέση της καρδιάς του καταναλωτή και, μέσω της καινοτομίας των προϊόντων και υπηρεσιών μας, να προσφέρουμε εξειδικευμένες λύσεις.

Φυσικό Αέριο Ελληνική Εταιρεία Ενέργειας

• Lead Security Monitoring & Incident Response activities, ensuring timely detection and mitigation of threats.
• Manage Vulnerability Management & Patch Governance processes to maintain system integrity.
• Oversee Cloud Security Management, implementing controls and monitoring cloud environments.
• Ensure Network & Infrastructure Security, including Firewalls, IDS/IPS, and network segmentation.
• Administer Identity & Access Management (IAM, PAM, MFA) policies and procedures.
• Conduct Compliance & Risk Assessments to align with regulatory and internal requirements.
• Participate in Security Architecture & Design Reviews, including Penetration Testing.
• Support Security Awareness & Training initiatives to strengthen organizational security culture.

IT Systems Engineer

IT Security Engineer leading security monitoring and incident response for Greece's top energy sector company. Overseeing cloud security and compliance assessments while fostering team engagement.

Eurobank is a financial institution that provides a wide range of banking services. The company emphasizes values such as understanding, dynamism, collaboration, innovation, and trust, fostering a diverse workplace. Eurobank offers competitive benefits and supports professional development through various opportunities for both students and experienced professionals. They promote equal opportunities and transparency in their hiring processes, aiming to attract unique personalities to their team.

The Eurobank Group, consisting of Eurobank S.A. and its subsidiaries, is a strong banking group with total assets of €99.6 billion and 12,880 employees (data as at 30 September 2024). Eurobank Ergasias Services and Holdings S.A. (Eurobank Holdings) is the parent company of Eurobank Group. The Eurobank Group offers a comprehensive range of financial products and services to its retail and corporate customers. In Greece, operations encompass a retail banking network, dedicated business centers, a Private Banking network and dynamic digital presence. Eurobank Group also has presence in Bulgaria, Cyprus, Luxembourg and United Kingdom (London). Eurobank consistently designs actions relating to social and environmental issues, adopting responsible practices that promote transparency and business ethics. Eurobank links its business decisions to environmental sustainability, social responsibility and corporate governance (ESG). Ο Όμιλος Eurobank, αποτελούμενος από την Τράπεζα Eurobank Α.Ε. (Eurobank) και τις θυγατρικές της, είναι ένας ισχυρός χρηματοοικονομικός οργανισμός με σύνολο ενεργητικού €99,6  δισ. και 12.880 εργαζόμενους (ημερομηνία στοιχείων: 30 Σεπτεμβρίου 2024). Η μητρική εταιρεία του Ομίλου Eurobank είναι η Eurobank Ergasias Υπηρεσιών και Συμμετοχών Α.Ε. Ο Όμιλος Eurobank παρέχει ένα ολοκληρωμένο φάσμα χρηματοοικονομικών προϊόντων και υπηρεσιών σε ιδιώτες και επιχειρήσεις. Στην Ελλάδα, δραστηριοποιείται με δίκτυο λιανικής τραπεζικής, εξειδικευμένα κέντρα εξυπηρέτησης επιχειρήσεων, δίκτυο private banking και δυναμική ψηφιακή παρουσία. Στο εξωτερικό έχει παρουσία στη Βουλγαρία, την Κύπρο, το Λουξεμβούργο και το Ηνωμένο Βασίλειο (Λονδίνο). Η Eurobank σχεδιάζει με συνέπεια δράσεις που αφορούν κοινωνικά και περιβαλλοντικά ζητήματα και εφαρμόζει υπεύθυνες πρακτικές που προάγουν την διαφάνεια και την επιχειρηματική ηθική. Συνδέει τις επιχειρηματικές αποφάσεις με την περιβαλλοντική βιωσιμότητα, την κοινωνική υπευθυνότητα και την ορθή εταιρική διακυβέρνηση (ESG).

Eurobank

• Contribute to the design of projects related to the security of Distributed Systems (Wintel platforms).
• Design and implement projects related to Windows Infrastructure (e-Mail, Internet Access, Terminal Services, PKI, Remote Access, Active directory, upgrade Windows Server to 2022, 2025 etc).
• Monitor and improve the Distributed Systems Domain model of the Bank (Wintel platforms).
• Contribute to the in-time diagnosis and resolution of problems that occur during the Operation of Distributed Informational Systems (Wintel platforms).
• Stay in touch with new evolutions in the Windows Infrastructure area and are informed about new innovations in this field that could be used inside the Bank.

Systems Engineer – Active Directory Services Management

Senior Windows Administrator managing Active Directory and Windows Infrastructure projects for Eurobank. Ensuring security, stability, and improvement of banking systems.

PLANET S.A. is a global consulting firm with over 30 years of experience in management and project management consulting. The company specializes in transforming complex challenges into sustainable growth for its clients through innovative solutions across various sectors, including government, finance, and infrastructure. With a strong focus on digital development, human capital management, and engineering services, PLANET S.A. helps organizations navigate the changing landscape and achieve their strategic goals.

PLANET is the leading Greek management and project management consulting company with a strong presence in Southeast Europe and active in a broad geography.Established in 1987, PLANET has been ever since present in most major interventions, transformations and infrastructure investments supporting clients across all sectors of the economy and the public sector.PLANET is privately owned, having as shareholders its top management, senior people engaging in key roles and the National Bank of Greece as an institutional shareholder further strengthening the company’s leading profile and prospects.Key constituents of PLANET’s strategy to deliver high quality services and outstanding customer value are:- Highly skilled professionals- Team spirit- Experience-driven knowledge management- Established partnerships- Strong international networking- Result-oriented culture

PLANET S.A.

- Commission, integrate and support transportation systems
- Provide troubleshooting and technical support for tolling systems
- Conduct system acceptance testing and verification of bug fixes
- Collaborate with software and hardware development teams
- Train clients and provide post-installation support
- Ensure compliance with industry standards and system reliability


Systems Engineer

Systems Engineer responsible for deployments and integration at InfraCore, focusing on transportation and tolling systems. Collaborating with teams and troubleshooting for seamless function in mobility tech.

• Administer and maintain Linux systems (Red Hat and Debian) across production and staging environments.
• Perform regular patching, system updates, and security hardening.
• Manage and monitor system performance using Nagios, Grafana, and related tools.
• Support and maintain applications including Passbolt, DNS, FreeIPA, Radius, Jenkins, and Red Hat Satellite.
• Handle incident management, troubleshooting, and root cause analysis to ensure system reliability and uptime.
• Participate in operations & maintenance tasks and system improvement initiatives.
• Track and manage licenses, End of Support, and End of Life for Linux assets and software.
• Collaborate with cross-functional teams to support infrastructure and authentication services.
• Maintain accurate documentation for configurations, changes, and operational procedures.

Linux Systems Engineer, Fintech

Linux Systems Engineer maintaining Red Hat and Debian systems for a B2B financial technology platform. Focusing on security, performance, and incident management across environments.

Intracom Telecom is a global technology systems and solutions provider operating for over 45 years in the market. The company has become the benchmark in fixed wireless access and it successfully innovates in the 5G/4G wireless fronthaul, backhaul and small-cell SON backhaul international arena. Intracom Telecom offers a comprehensive revenue-generating software solutions portfolio and a complete range of ICT services, focusing on IoT, SDN/NFV, Big Data analytics & data-driven intelligence, and Smart City solutions. The company also addresses the Energy & Utilities industry, emphasizing on smart metering & end-to-end IT solutions. Intracom Telecom is also active in the defence systems sector providing security integrated systems for critical infrastructure protection and border surveillance. The company has extensive know-how and a proven track record serving more than 100 renowned customers in over 70 countries. Intracom Telecom maintains own R&D and production facilities, and operates subsidiaries worldwide.

Intracom Telecom

**Responsibilities:**

- Utilize various open-source technologies and tools to orchestrate solutions
- Build independent tools, scripts, and automation using Python, JavaScript, or Bash
- Configure and manage data sources such as MySQL, Oracle, Elasticsearch, etc.
- Work with GitLab for version control and CI/CD pipelines
- Implement integrations as requested by customers
- Deploy updates and fixes
- Provide Level 2 technical support
- Perform root cause analysis for production errors
- Investigate and resolve technical issues
- Design procedures for system troubleshooting and maintenance


System Engineer – Business Support Systems

System Engineer working on Business Support Systems for INTRACOM TELECOM, a leader in telecommunications. Engaging in system integration, technical support, and automation development.

Hybrid Systems Engineers roles in Greece

Browse 7 hybrid systems engineers roles hiring in Greece plus related opportunities such as devops, platform engineer, site reliability engineer, infrastructure engineer and network engineer.

7 jobs found

Senior System Engineer

JUST ONE | Recruitment & Executive Search agency

Windows Systems Engineer, Fintech

Optasia

IT Systems Engineer

Φυσικό Αέριο Ελληνική Εταιρεία Ενέργειας

Systems Engineer – Active Directory Services Management

Eurobank

Systems Engineer

PLANET S.A.

Linux Systems Engineer, Fintech

Optasia

System Engineer – Business Support Systems

Intracom Telecom