Senior Software Engineer https://apply.smartcv.co/ote/job/y22l About the company COSMOTE TELEKOM is the largest technology company in Greece and a member of the Deutsche Telekom Group. Through technology and innovation, we work to create a better world for all. Diversity, inclusion and equality are at the core of our corporate culture. This is the reason why we create an equal working environment in which our people can excel for their expertise, professional experience, conscientiousness, and responsibility. Become part of our network and let’s create your future together!   About the role As a member of the OSS Inventory Systems DevOps Chapter, the candidate shall be responsible for the execution of IT Operational Support System (OSS) projects using the waterfall or agile models. The role involves active participation in the context of the necessary coordination activities towards the stakeholders and the management of external system integrators and active contribution in the development of implementations, testing, troubleshooting and support. The successful candidate must be able to work exclusively in a hybrid model (dedicated days of on-site presence and remote work during a working week), as per the company’s policy. The position can involve compensated standby, on a weekly per month assignment, and compensated callouts in case of urgent issue handling. Duties & responsibilities Executes the chapter’s projects, covering all aspects of the Telco lifecycle using the waterfall or agile model Evaluates the requirements and how they can be integrated into technology solutions, and assesses the technological options for implementation (bridge between business and technology) Analyses, Designs, Configures and develops OSS provisioning implementations for the chapter’s IT Systems, taking into account Security best practices and ensuring compliance with the Company’s Security principles & procedures Prepares the necessary functional and technical documentation Conducts Unit Testing, System Integration Tests, Performance Tests and coordinates User Acceptance Tests for assigned projects, where necessary Ensures quality of the solutions under his/her responsibility and that they comply with Production fallout KPIs Coordinates vendors and internal customers, ensures quality of deliverables and compliance to the agreed time plans   Required Skills Bachelor’s degree (or equivalent) in Computer Science or a related field Proven experience in OSS area and in particular Inventory experience. Proven experience in Oracle SQL & Relational Databases Proven experience in one or more programming languages, such as Java, JavaScript, or C++ Proven experience in running medium and/or large-scale projects Very good knowledge of the English language Strong problem-solving skills to analyze complex issues, identify root causes, and implement effective solutions Awareness of security best practices including encryption, authentication, and authorization mechanisms, to build secure software Effective communication skills to collaborate with cross-functional teams, gather requirements Experience in writing unit tests and conducting debugging to ensure the reliability and quality of software Ability to create clear and concise documentation for functional and technical specifications Commitment to continuous learning and staying updated with evolving technologies and best practices in software engineering Preferred Skills Previous experience in Ericsson Adaptive Inventory or Telcordia Granite will be strongly appreciated. Previous experience in other Inventory systems will be appreciated Previous experience in any of the following suites will be regarded as an advantage: Oracle OSS Suite (OSM, UIM, ASAP)   What we offer At COSMOTE TELEKOM, we recognize and reward every effort without discrimination, through a wide range of benefits and programs for our people: Your benefits Competitive remuneration package Company Mobile & Device Subsidies Fixed telephony, Internet & COSMOTE TV Packages Modern working environment, working laptop-only Your balance Flexible working arrangements Private insurance for employees and their family members Family Care: Maternity, childbirth and parental leave to care for children, above the minimum required by law. Provided equally to working mothers & fathers Your wellness Health, safety & wellness programs: Wellness classes, sports activities (basketball, tennis, 5*5 soccer, running team), dietician appointments, medical check-ups, etc. COSMOTE TELEKOM psychological service Exercise & Wellness Platform “The Coach” Your development We foster an empowering culture, encouraging our people to seize every opportunity to learn with the goal to achieve personal development, through: Unlimited access to digital learning platforms Percipio & Coursera Various f2f custom made learning academies Talent & rotation programs Your On-boarding Virtual new hire pre-boarding & onboarding program A buddy to support you in the first months working with us