IKNOWHOW SA

Software Engineer

• Design, develop, and optimize databases in Oracle RDBMS
• Develop and maintain stored procedures, functions, and triggers in PL/SQL
• Analyze requirements and translate them into technical solutions
• Optimize query performance and perform troubleshooting at the database level
• Collaborate with development teams and business stakeholders for solution implementation
• Participate in testing, deployment, and maintenance processes

Oracle RDBMS, PL/SQL Developer

Security Engineer

• Participate in the design, implementation, and operation of complex enterprise routing and switching infrastructures across data center, campus, and WAN environments.
• Design, implement, and operate firewall and network security platforms, ensuring secure connectivity, segmentation, and policy enforcement at scale.
• Define and evolve network and network security architectures, applying defense‑in‑depth, least‑privilege, and security‑by‑design principles.
• Architect, operate, and troubleshoot AAA services (RADIUS / TACACS+), supporting secure administrative and user network access.
• Design, implement, and maintain Network Access Control (NAC) solutions, enforcing device posture assessment, user access policies, and compliance requirements.
• Design and implement network automation solutions to improve reliability, consistency, and operational efficiency (e.g. configuration management, provisioning, validation).
• Contribute to technology roadmaps, platform selection, and continuous improvement initiatives.
• Collaborate closely with security operations, cloud, infrastructure, and application teams to ensure end‑to‑end service reliability and security alignment.
• Drive standardization, documentation, and operational excellence initiatives.
• Share knowledge, provide technical guidance, and mentor junior engineers within the team.

Senior Network Security Engineer

Support Engineer

• Provide first- and second-line support for software applications used within the organization.
• Diagnose, investigate, and resolve software issues reported via email, ticketing system, or phone.
• Document issues and solutions in a clear and structured manner.
• Guide users on the correct use of software systems.
• Provide basic training or reference materials when needed.
• Assist with onboarding of new staff by setting up accounts and software tools.
• Monitor system performance and report abnormalities.
• Assist with software updates, patches, and configuration changes.
• Perform routine system checks to ensure software stability.
• Work closely with developers, system administrators, and vendors to resolve complex issues.
• Escalate unresolved problems with full documentation and diagnostics.
• Collaborate in testing new software releases or updates before deployment.
• Maintain accurate support logs and knowledge-base articles.
• Prepare reports on recurring issues and propose improvements.

IT Support Engineer, 2nd Level

Software Support Technician

Project Manager

• Lead the **planning, execution, and delivery** of healthcare-related projects (e.g., hospital systems, digital health platforms, regulatory initiatives).
• Act as the **primary point of contact** between business stakeholders (clinical, operational) and IT teams.
• Define project scope, objectives, timelines, and deliverables in collaboration with stakeholders.
• Manage **project plans, risks, issues, and dependencies**, ensuring timely resolution and escalation when needed.
• Facilitate **workshops, steering committees, and status meetings**, providing clear updates on progress, risks, and KPIs.
• Ensure proper **requirements alignment**, working closely with Business Analysts and technical teams.
• Monitor project performance using appropriate tools and methodologies (Agile, Waterfall, or hybrid).
• Support **change management and user adoption**, including training coordination and communication plans.
• Ensure compliance with **healthcare regulations, data privacy (e.g., GDPR), and quality standards**.
• Maintain comprehensive project documentation and reporting.

Project Manager, Healthcare

Field Engineer

• Oversee the installation, testing, and commissioning of defense-related equipment, including communication systems, surveillance systems, radar, and weapon platforms.
• Provide on-site troubleshooting and diagnostics, ensuring minimal downtime of critical defense infrastructure.
• Conduct preventive and corrective maintenance to ensure operational readiness of military assets.
• Collaborate with technical teams, subcontractors, and defense personnel to resolve complex engineering challenges.
• Support site surveys to assess feasibility and technical requirements for defense projects.
• Coordinate with contractors, suppliers, and military personnel to ensure smooth execution of field operations.
• Monitor and report project progress, ensuring alignment with timelines and budget constraints.
• Prepare and maintain detailed technical documentation, reports, and compliance records.
• Ensure adherence to NATO, EU, and Greek defense industry standards in all engineering activities.
• Conduct risk assessments and safety audits to maintain high security and safety standards.
• Implement cybersecurity and operational security (OPSEC) measures for defense systems.
• Maintain compliance with Greek Ministry of Defense (MoD) regulations and international defense agreements.
• Provide technical training to military personnel and end-users on system operation and maintenance.
• Offer on-site and remote support for deployed defense systems in high-security environments.

Backend Engineer

• Design, develop, and maintain high-quality software solutions using Java, Spring Boot, and related technologies
• Contribute to the design and implementation of scalable and efficient RESTful APIs
• Apply object-oriented and functional programming principles to deliver clean and maintainable code
• Participate in the full software development lifecycle, including analysis, design, implementation, testing, and deployment
• Develop and optimize database-driven applications, working with relational and/or NoSQL databases and ORM frameworks
• Write and maintain unit and integration tests to ensure code quality and reliability
• Perform code reviews and collaborate with team members to improve code quality and share knowledge
• Follow and promote best practices in clean code, software architecture, and development standards
• Troubleshoot, debug, and resolve technical issues in existing applications
• Collaborate with cross-functional teams (e.g. QA, DevOps, Product Owners) to deliver high-quality solutions on time
• Contribute to continuous improvement of development processes, tools, and practices
• Support application deployment processes and contribute to CI/CD pipelines

Java Software Engineer

Cloud Engineer

• Collaborating with engineering and development teams to evaluate and identify optimal cloud solutions.
• Modifying and improving existing systems.
• Developing and maintaining cloud solutions in accordance with best practices.
• Regularly reviewing existing systems and making recommendations for improvements
• Interacting with business, providing cloud support, and making recommendations
• Define and document best practices and cloud strategies
• Manage cloud environments in accordance with company’s security

Senior Cloud Engineer

• Design, develop and maintain back-end of large web-based Java EE/Spring applications with microservices architecture.
• Write clean, maintainable, and testable code following industry best practices.
• Contribute to system design discussions and propose scalable, fault‑tolerant solutions.
• Improve system performance, reliability, and observability.
• Mentor junior and mid‑level engineers, perform code reviews, and guide best practices.
• Advocate for architectural improvements, performance optimizations, and engineering excellence.
• Participate in the technical analysis, documentation, implementation, and integration.
• Work closely with frontend engineers, DevOps, product managers, and QA to deliver end‑to‑end solutions.
• Build and optimize complex database schemas, queries, and stored procedures with PostgreSQL.
• Implement and maintain event‑driven architectures using messaging systems such as Kafka, RabbitMQ, or similar.
• Participate in API design (REST or GraphQL) and integration with external/internal services.

Senior Backend Engineer

Data Engineer

• Lead, mentor, and support a team of Data Engineers, fostering a culture of collaboration, accountability, and continuous improvement
• Design, architect, and oversee the development of scalable data pipelines and ETL processes
• Collaborate with cross-functional teams and stakeholders to translate business requirements into technical data solutions
• Oversee the collection, transformation, and analysis of large datasets to identify trends and actionable insights
• Review code, optimize performance, and ensure adherence to technical standards and architectural guidelines
• Drive continuous improvement initiatives and introduce modern data engineering tools and methodologies
• Participate in project planning, estimation, and resource allocation

Lead Data Engineer

• Design, develop, and maintain scalable back-end services using Java and Spring Boot
• Participate in technical analysis, solution design, and system architecture discussions
• Translate client business requirements into robust technical solutions
• Develop RESTful APIs and integrate third-party and client systems
• Write clean, maintainable, and testable code following best practices and design patterns
• Contribute to CI/CD pipelines and deployment processes
• Collaborate with internal teams and client-side stakeholders
• Support and mentor junior developers when needed
• Perform code reviews and ensure high software quality standards
• Participate in troubleshooting, debugging, and performance optimization activities

Software Engineer, Java, Spring Boot

Engineer

• Maintain and monitor enterprise IT infrastructure and digital platforms
• Implement DevOps and CI/CD practices, including infrastructure as code where applicable
• Maintain automation, monitoring and reporting solutions (PowerShell, Python, Bash, MS Graph, Power Platform, Active Directory, Entra ID)
• Support and administer Microsoft IaaS, PaaS, SaaS services (Teams, SharePoint, Power Platform, Fabric, Foundry, Azure)
• Participate in cloud migration, modernization, and digital transformation initiatives aligned with corporate IT strategy
• Maintain technical documentation and operational procedures

Digital Transformation Engineer

AI Engineer

• Design and develop AI applications using modern LLM and Generative AI technologies
• Contribute to system architecture design and integration of AI solutions into banking platforms
• Build and maintain REST APIs and work with structured data using SQL
• Collaborate closely with cross-functional teams (Data Scientists, DevOps Engineers, Product Owners)