• Provide Level 1 and Level 2 technical support to employees across a global and distributed organization. • Troubleshoot hardware, operating system, application, account access, connectivity, and workplace technology issues. • Manage incoming support requests through helpdesk and ITSM platforms, ensuring appropriate prioritization, documentation, communication, and resolution. • Diagnose and resolve common issues across macOS, Windows, browsers, productivity applications, collaboration tools, and SaaS platforms. • Escalate complex technical issues to senior IT engineers, security teams, application owners, or external vendors when required. • Maintain strong service levels and provide a professional, customer-focused support experience. • Identify recurring incidents and contribute to root-cause analysis and long-term resolution. • Support the complete lifecycle of corporate endpoint devices, including provisioning, configuration, deployment, maintenance, troubleshooting, replacement, and decommissioning. • Manage and support macOS and Windows endpoints using modern endpoint management and MDM platforms. • Work with tools such as Kandji, JumpCloud, Microsoft Intune, or similar endpoint management solutions. • Assist with device enrollment, configuration profiles, security policies, application deployment, OS updates, patching, and compliance monitoring. • Troubleshoot endpoint performance, encryption, software installation, policy enforcement, and device compliance issues. • Support remote employees with device setup, replacement, recovery, and technical troubleshooting. • Maintain accurate endpoint inventory and asset lifecycle records. • Assist with secure device offboarding, data protection, and equipment recovery processes. • Support end-to-end IT onboarding and offboarding processes for employees and contractors. • Provision and deprovision user accounts, devices, applications, groups, and access based on approved requests and role requirements. • Coordinate with people/HR, hiring managers, security, and IT teams to ensure a smooth employee technology experience. • Support employee transfers, role changes, promotions, department changes, and access modifications. • Ensure access is removed promptly and securely during employee offboarding. • Follow established access-control, approval, and audit requirements. • Identify opportunities to improve and automate repetitive employee lifecycle tasks. • Support day-to-day identity and access management activities across enterprise applications. • Assist with user provisioning, deprovisioning, group membership, application assignments, and access troubleshooting. • Support identity platforms such as JumpCloud, Okta, Microsoft Entra ID, or similar solutions. • Troubleshoot common Single Sign-On (SSO), Multi-Factor Authentication (MFA), password, authentication, and account access issues. • Assist with access reviews and basic identity governance activities. • Follow least-privilege and role-based access principles when managing user access. • Escalate complex identity, integration, or security-related issues to senior engineers or security teams. • Support commonly used enterprise collaboration and productivity platforms, including Google Workspace, Microsoft 365, Slack, Zoom, Atlassian products, and similar SaaS applications. • Assist with account administration, permissions, groups, licensing, and user troubleshooting. • Troubleshoot common issues involving email, calendars, file sharing, collaboration tools, conferencing platforms, and browser-based applications. • Support basic integrations and workflows between workplace applications where appropriate. • Work with application owners and vendors to resolve service issues. • Maintain awareness of commonly used enterprise SaaS tools and their role within the employee technology environment. • Work within established IT Service Management processes for incidents, service requests, access requests, and escalations. • Use ITSM and helpdesk platforms such as Jira Service Management, ServiceNow, Zendesk, Freshservice, or similar tools. • Ensure tickets contain accurate troubleshooting notes, resolution details, and user communication. • Follow agreed prioritization, escalation, and service-level processes. • Contribute to improving ticket workflows, request forms, knowledge articles, and support processes. • Identify repetitive support issues and recommend opportunities for standardization or automation. • Support basic reporting on ticket trends, recurring incidents, and service performance. • Assist with maintaining endpoint security and compliance controls across corporate devices. • Support device encryption, OS patching, security agents, endpoint protection, and compliance policies. • Assist with tools such as SentinelOne, CrowdStrike, Microsoft Defender, or similar endpoint security platforms. • Identify and escalate suspicious endpoint behavior, security alerts, or policy violations. • Support security and compliance initiatives related to endpoint management and employee access. • Follow established security standards and contribute to audit evidence collection when required. • Collaborate with Security teams on remediation activities and endpoint-related security incidents. • Create and maintain clear technical documentation, troubleshooting guides, standard operating procedures, and knowledge-base articles. • Document common incidents and repeatable resolution procedures. • Develop employee-facing guides for common technology processes and self-service support. • Ensure operational documentation remains current and usable by the broader IT team. • Contribute to improving internal support processes and reducing recurring support demand. • Communicate clearly and professionally with employees across different technical skill levels. • Translate technical issues into simple, understandable language. • Work collaboratively with IT Operations, Security, People/HR, Finance, Engineering, and other business teams. • Provide regular updates during incidents and complex support cases. • Collaborate effectively across multiple time zones in a distributed environment. • Demonstrate empathy, patience, accountability, and a strong customer-service mindset.

• Provide Level 1 and Level 2 technical support to employees across a global and distributed organization. • Troubleshoot hardware, operating system, application, account access, connectivity, and workplace technology issues. • Manage incoming support requests through helpdesk and ITSM platforms, ensuring appropriate prioritization, documentation, communication, and resolution. • Diagnose and resolve common issues across macOS, Windows, browsers, productivity applications, collaboration tools, and SaaS platforms. • Escalate complex technical issues to senior IT engineers, security teams, application owners, or external vendors when required. • Maintain strong service levels and provide a professional, customer-focused support experience. • Identify recurring incidents and contribute to root-cause analysis and long-term resolution. • Support the complete lifecycle of corporate endpoint devices, including provisioning, configuration, deployment, maintenance, troubleshooting, replacement, and decommissioning. • Manage and support macOS and Windows endpoints using modern endpoint management and MDM platforms. • Work with tools such as Kandji, JumpCloud, Microsoft Intune, or similar endpoint management solutions. • Assist with device enrollment, configuration profiles, security policies, application deployment, OS updates, patching, and compliance monitoring. • Troubleshoot endpoint performance, encryption, software installation, policy enforcement, and device compliance issues. • Provide support for remote employees with device setup, replacement, recovery, and technical troubleshooting. • Support end-to-end IT onboarding and offboarding processes for employees and contractors. • Provision and deprovision user accounts, devices, applications, groups, and access based on approved requests and role requirements.

Role Description As a Senior System Engineer for Optical Transport, you will play a critical role in the design, planning, and optimization of our high-performance optical transport infrastructure. Leveraging your deep expertise in DWDM Technology, OTN (Optical Transport Network), and Transport Network Architecture, you will be responsible for ensuring the robustness, scalability, and efficiency of our network. Your day-to-day will involve: - Leading system engineering activities - Complex troubleshooting - Managing network planning and capacity - Engaging with vendors to drive technical solutions - Supporting RFQ activities by translating network requirements into clear technical specifications - Contributing to vendor evaluation criteria - Assessing supplier proposals - Ensuring that selected solutions meet architectural, operational, scalability, and lifecycle requirements - Analyzing and resolving optical transport faults - Understanding link budgets - Ensuring network resilience - Coordinating with cross-functional teams - Potentially leveraging Test-Automation (e.g., Python) Qualifications - Solid experience in agile project management and product thinking methodologies - Professional stakeholder management (e.g., with vendors, partners) combined with excellent collaboration and communication skills - Experience in technical leadership within complex international technical projects - Experience with effective Vendor Management - Strong expertise in DWDM Technology - In-depth knowledge of OTN (Optical Transport Network) - Proven experience with Transport Network Architecture - Solid skills in System Engineering principles - Proficient in Network Planning and Capacity Management - Demonstrated ability in Complex Troubleshooting Requirements - Experience with OTN, MPLS-TP, or IP/optical integration - Familiarity with network management systems and performance monitoring tools - Exposure to lab validation, proof of concept testing, or interoperability testing - Experience documenting solutions, procedures, or handover materials - Solid experience in Test-Automation - Experienced in leveraging AI-based tools in day-to-day work Benefits - Flexible & remote work - Very competitive annual bonus scheme - Meal vouchers - Private insurance - Cool office spaces in Thessaloniki and Athens - A new team that will support and challenge you on your path to growth - Extra days off - Opportunities to travel and work all around the world - … and many more

• Design, develop, and maintain features for audiometry testing modules and web services • Build WPF-based user interfaces (MVVM) and Blazor Server components • Develop and enhance REST APIs • Work closely with Product Owners to analyze requirements and provide technical solutions • Collaborate with hardware and firmware teams to ensure software-hardware alignment • Write comprehensive unit tests with high coverage (≥80% for new code) and documentation • Ensure product architecture and code quality meet high standards • Perform code reviews focusing on safety, correctness, and compliance