• Handling tenders from transmission system operators (TSOs) for protection and secondary systems in high- and extra-high-voltage substations • Planning and standards-compliant, operationally safe design of protection systems for 220 kV and 380 kV installations • Developing protection concepts such as distance protection, differential protection and breaker-failure logic • Configuring protection relays such as Siemens SIPROTEC (e.g., 7SA6, 7SD6) and producing consistent device settings • Technical clarifications with TSOs, planners, customers and internal specialist departments • Preparing protection diagrams, logic matrices, deviation lists and technical specifications • Creating and reviewing FAT and SAT test plans for factory and commissioning tests • Supporting protection tests and assisting with fault analysis and commissioning

• Handle tenders from transmission system operators (TSOs) in the area of secondary equipment for high-voltage substations • Plan and integrate modern control systems into complex substation environments • Design SAS architectures based on IEC 61850, including GOOSE and MMS communications • Configure HMI interfaces and communication networks such as fiber-optic and Ethernet topologies • Manage interfaces with protection systems, TSO control centers, suppliers and subcontractors • Develop communication matrices, system descriptions and technical specifications • Create test protocols, prepare and carry out Factory and Site Acceptance Tests (FAT/SAT) • Analyze technical requirements from TSOs and translate them into robust system solutions

• Implement and support Disaster Recovery solutions across on-premises data centers and poly-cloud environments • Perform hands-on backup, restore, replication, and recovery operations • Execute DR drills, failover, and failback activities and validate RTO/RPO objectives • Administer and troubleshoot Linux operating systems in DR and recovery scenarios • Work on storage platforms (SAN/NAS/Object) to support replication and recovery requirements • Support network and connectivity dependencies required for DR execution • Identify, troubleshoot, and resolve issues related to backup jobs, restores, and replication failures • Participate in incident response and major outage recovery activities • Maintain DR runbooks, SOPs, and operational documentation • Collaborate with architecture, cloud, and security teams to ensure DR readiness • Provide operational input for DR improvements and optimization

Location: Remote within Europe (EU time zones preferred) Department: Product Engineering Our Identity Defender team builds privacy-first solutions that protect users from identity theft, credit monitoring, data exposure, and online threats. We’re looking for a Senior Flutter Engineer to help us design and deliver secure, reliable, and beautifully crafted mobile & desktop experiences at global scale. What You’ll Do As a Senior Flutter Engineer, you will design and build cross-platform applications that power Identity Defender across mobile (iOS, Android), and desktop (Windows, macOS, Linux). You can expect to: - Design, develop, and maintain Flutter applications across mobile, web, and desktop platforms - Optimize performance, responsiveness, and reliability across different devices and operating systems - Write clean, well-structured, and maintainable code following object-oriented programming (OOP) principles and best practices - Collaborate with cross-functional teams, including product managers, designers, and backend developers, to conceive and deliver new features and enhancements - Implement unit tests and contribute to a test-driven development (TDD) approach to ensure code quality and reliability - Build reusable components and shared libraries to enable cross-platform consistency - Participate in code reviews to ensure adherence to coding standards, quality, and performance We approach engineering through the following principles: Testing by default, always CI/CD, data and automation-centered, with security at the core. It’s paramount for us to empower our engineers to make their own calls about the tools and technologies that best address the problems they are trying to solve. What you’ll bring - Solid understanding of object-oriented programming (OOP) concepts and Clean Code principles. - Strong hands-on experience with developing Flutter apps and working with Dart - Strong proficiency in at least one native platform, preferably Android (Kotlin) &/or iOS (Swift) - Proven experience shipping production apps across multiple platforms (mobile, web, and/or desktop) - Strong knowledge of state management approaches in Flutter - Experience integrating RESTful APIs, authentication flows, and secure data storage - Familiarity with performance optimization and debugging across platforms How we’ll support you We believe in fostering an environment that empowers decision-making at all levels. Our culture is rooted in the inverted pyramid approach, where the engineers, who have a deep understanding of the product and the customers, are the ones who have the knowledge and the authority to make impactful decisions. - We treat every team member with respect and promote open and constructive feedback, ensuring a culture of trust and transparency - We encourage learning through experimentation and provide a safe space for everyone to learn from their experiences - Our managers are dedicated to facilitating career growth and creating an environment that attracts and supports high-performing engineers ExpressVPN, a Kape Technologies company, is an equal opportunity employer. We promote equal recruitment and employment opportunities, and do not discriminate based on gender identity and/or expression, age, race, color, disability, culture, religion or belief, family and/or marital status, sexual orientation, or other characteristics protected by applicable law. We celebrate a diverse and inclusive work environment in which applicants and employees are treated with respect and dignity, and excel based on personal merit, qualifications, experience, and performance. #LI-PS1 Before you apply - At the moment, we do not sponsor visas in the EU. For Hong Kong, we require at least two years of working experience and a university degree in a related field. For Singapore and the UK, we can only sponsor visas for mid-career or above. - Please upload your resume as a PDF and do not include any salary or compensation information in it. ExpressVPN is one of the world’s leading providers of online privacy and security services for consumers. Started in 2009, we’ve grown to have millions of active paying customers, a team of more than 700 people worldwide, and a brand recognized by hundreds of millions of people in 18 languages and more than a hundred countries. We see huge growth in our industry, and are gaining market share through strong execution.