Principal Full-Stack Engineer with Frontend Expertise

AECOM Enterprise Capabilities is currently in search of a highly skilled Principal Engineer specializing in HV Substations Primary to join our dynamic team in Poland.The role encompasses the preparation of innovative designs and deliverables associated with primary electrical systems for transmission and distribution projects. Responsibilities will include, but are not limited to:Designing primary substation systems, including AIS/GIS configurations, transformer installations, circuit breaker selection, busbar arrangements, switchgear layouts, and disconnectors for voltages up to 800kV.Creating single-line diagrams (SLDs), general arrangement (GA) layouts, equipment sizing, and layout plans for substations and transmission systems.Conducting short-circuit force calculations, busbar sizing, fault current analysis, and designing equipment protection to ensure system stability and safety.Designing earthing systems, including grounding layouts, ground grid systems, and lightning protection mechanisms for substations.Integrating HVDC and HVAC systems, including converter stations, ensuring seamless compatibility with the overall substation design.Developing transformer layouts, encompassing oil containment, busduct routing, and secondary system interfaces.Optimizing substation layouts for both new and upgraded facilities, considering constraints such as space, equipment accessibility, and construction requirements.Reviewing and enhancing control and protection systems for primary substations, ensuring alignment with secondary systems and compliance with grid operator regulations.Collaborating with civil teams to design and integrate foundations, steel structures, and electrical cable routes for full integration with primary systems.Producing equipment specification documents, bill of materials (BOM), and providing procurement support to ensure appropriate equipment selection based on project criteria.Preparing electrical interconnection diagrams, termination diagrams, cable schedules, and other documentation essential for the installation and operation of primary systems.Conducting detailed design and review of auxiliary systems, such as cooling systems, auxiliary power supplies, and battery systems for substations.Designing underground cable systems, including cable sizing, routing, and integration into existing networks, particularly for HV cables.Coordinating with external vendors and contractors to guarantee that the supply and installation of equipment align with design specifications and project needs.

Join AECOM's Enterprise Capabilities as a Principal Engineer specializing in HV Substations Secondary in Poland!As a key member of our team, you will be responsible for creating and delivering designs for secondary electrical systems within transmission and distribution projects. Your duties will include, but are not limited to:Designing protection and control systems, which encompass relay settings, protection schemes, and interlock systems for substations.Preparing single line diagrams (SLDs), protection logic diagrams, metering layouts, and cable termination diagrams.Creating electrical interconnection diagrams, termination diagrams, cable schedules, and other essential documentation for the effective installation and operation of secondary systems.Conducting relay coordination studies (overcurrent, earth fault, motor protection, distance protection) including relay setting calculations and fault analysis.Performing power system studies, such as load flow analysis, short circuit studies, transient stability analysis, motor starting studies, and arc flash studies.Developing control and relay panel layouts, including general arrangement (GA) drawings, functional block diagrams, and bill of materials (BOMs).Designing SCADA communication schemes and ensuring system integration for protection systems to facilitate seamless interfacing between control and field devices.Reviewing and verifying design documentation to guarantee compliance with industry standards (IEC, IEEE) and utility specifications.Providing support during commissioning and testing phases, including Factory Acceptance Testing (FAT) and site integration of secondary systems.Creating algorithms to enhance system functionality, including fault detection, relay coordination, and stability improvement.Coordinating across disciplines, collaborating with other engineering teams to ensure the integration of secondary systems with primary infrastructure.Preparing external connection tables, cable schedules, and other design documentation as dictated by project specifications.

AECOM is looking for a skilled Senior Engineer specializing in Transmission and Distribution (Primary). In this pivotal role, you will spearhead the design engineering for High Voltage Substation projects, ensuring that engineering deliverables related to primary circuits are produced on time and to the highest quality standards.Your focus will be on executing project design packages with technical precision while guiding and coordinating CAD designers and drafters in the development of comprehensive drawings and models. The position demands extensive hands-on experience in primary engineering for substations, coupled with effective project delivery in the transmission and distribution sectors.Key ResponsibilitiesDeliver comprehensive primary circuit engineering packages for HV Substation projects, aligning with project scope, timelines, and quality standards.Create and generate primary substation design deliverables, including Single Line Diagrams (SLD), substation layouts and equipment arrangements, busbar and conductor designs, electrical clearances and safety protocols, and earthing and lightning protection calculations.Ensure adherence to project specifications, client standards, and international guidelines (IEC / IEEE / AS).Prepare and uphold high-quality engineering documentation and design reports.

AECOM Enterprise Capabilities is in search of a Senior Engineer specializing in Transmission & Distribution (Secondary). This pivotal role involves overseeing the design and implementation of secondary engineering systems for High Voltage Substations, which encompasses protection, control, automation, and communication systems. The focus is on delivering superior engineering outputs throughout all phases of projects including Front End Engineering Design (FEED), Detailed Design, Construction, and Commissioning support, while ensuring adherence to technical standards, constructability, and reliable substation operations.Generate and present secondary design documentation for High Voltage Substations.Formulate protection and control philosophies, contributing to Basis of Design documentation.Execute engineering designs for AC/DC auxiliary systems, control circuits, interlocking, and automation interfaces.Assist in relay configuration and protection scheme design (distance, differential, overcurrent, busbar, transformer protection, etc.).Ensure designs are feasible, constructible, and consistent with project scope, timeline, and budget.Collaborate closely with the Project Engineer and/or Project Manager to facilitate engineering planning, monitor deliverables, and ensure technical coordination.Work in conjunction with primary, civil, and SCADA/telecom disciplines to guarantee an integrated and clash-free design.Provide limited technical support to junior engineers when required, without formal mentorship obligations.

Join our dynamic Transmission & Distribution team at AECOM as a Lead Engineer specializing in Primary Substations. This role presents an exciting opportunity for a proactive engineer to make meaningful contributions to transformative energy projects on a global scale while enhancing their technical expertise within a collaborative, high-performance environment.Provide specialized technical insights to studies and designs within your area of expertise.Develop and implement study and design procedures that ensure high-quality, cost-effective outcomes for project teams.Engage in interdisciplinary reviews of project deliverables to uphold project integrity.Prepare construction cost estimates and evaluate technical efforts required for projects.Leverage your expertise in all phases of developing discipline components for the PS&E package.Conduct thorough quality control reviews of design calculations and drawings.Draft and refine technical specification sections.Contribute to the development of engineering budgets and schedules to meet project requirements.

Join our dynamic team at Ramboll as an Electrical Engineer specializing in Primary Circuits Design. This is an exciting opportunity for a skilled engineer to contribute to innovative projects and work within a collaborative environment.As a key member of our team, you will be responsible for designing and implementing primary circuit systems that meet industry standards and client specifications. Your expertise will help shape the future of electrical engineering solutions.

Location: Poland About Us: RTB House is an innovative global firm specializing in cutting-edge marketing technologies for leading brands and agencies worldwide. Our proprietary ad-buying engine is the first globally to harness the full potential of Deep Learning algorithms, empowering advertisers to achieve remarkable results at every stage of the customer journey. The Bidding Platform Team plays a pivotal role in our company's success. We collaborate to develop system modules and components that proficiently manage over 24 million queries per second, maintaining an impressive low latency of 50 ms. Your Responsibilities: Architect and develop a diverse range of modules and components within a system that efficiently handles over 24 million queries per second with minimal latency. Optimize developed software focusing on response time and resource utilization. Guarantee the reliability and scalability of implemented solutions. Design performance and correctness tests for new system components. Evaluate new technologies for potential application in production environments. Construct tools for monitoring and analyzing production system operations. Continuously enhance existing tools and processes for improved efficiency.

Location: Poland About Us: RTB House is a leading global company that specializes in providing cutting-edge marketing technologies for renowned brands and agencies worldwide. Our unique ad-buying engine stands out as the world's first fully Deep Learning-powered platform, enabling advertisers to achieve exceptional results and meet their objectives throughout every stage of the marketing funnel. We are currently seeking talented engineers to join our Platform Engineering team within the Bidding Platform structure. If you have a passion for system-related topics such as deployment, monitoring, databases, and load balancing, along with experience in leading complex project specifications and coordinating team efforts, we want to hear from you! This is an excellent opportunity for those eager to tackle technically challenging and sophisticated solutions.

Location: Poland (Remote/Flexible) About Us: RTB House is a pioneering global technology company that specializes in cutting-edge marketing solutions for leading brands and agencies around the world. Our innovative ad-buying engine is the first globally to leverage Deep Learning algorithms exclusively, empowering advertisers to achieve remarkable outcomes and fulfill their objectives at every level of the marketing funnel. We are in search of Senior Engineers to join our Bidding Platform team, which forms the backbone of our RTB operations, processing over 20 million requests per second to engage in real-time auctions and deliver advertisements to audiences across more than 90 countries. If you are eager to tackle technically intricate challenges and develop robust solutions, this role is tailored for you! Your Responsibilities: Architect and spearhead the implementation of system modifications to enhance performance, scalability, and observability for global ad display and tracking. Create tools and optimizations that yield measurable advancements in critical user performance metrics. Develop, test, deploy, monitor, and maintain HTTP/gRPC services and batch jobs in Java and Python, ensuring compliance with high engineering standards across all aspects, including setup, configuration coding, and production monitoring. Offer technical leadership: tackle complex system challenges, engage in project planning and scoping, and uphold the highest coding standards through active participation in code reviews.

Join AECOM as an Associate Director focusing on Primary Substations in our Transmission and Distribution (T&D) sector. In this pivotal role, you will lead high-impact projects, manage project teams, and ensure the successful delivery of substations that meet our clients' needs. Your expertise will not only drive project excellence but also foster innovative solutions in the energy sector.

About WPP Media WPP is the creative transformation company, harnessing the power of creativity to shape better futures for our people, our planet, clients, and communities. For more details, visit wpp.com. WPP Media serves as WPP’s global media collective. In an era where media permeates every aspect of life, we unite the best platforms, talented individuals, and strategic partners to unlock limitless growth opportunities. Learn more at wppmedia.com. At WPP Media, we are passionate about our culture and the people who drive it. Our values empower us to provide extraordinary experiences for our clients and one another. In this role, embracing the foundational values of WPP and WPP Media is essential: Be Extraordinary by Leading Collectively to Inspire Transformational Creativity. Create an Open environment by Balancing People and Client Experiences through Cultivating Trust. Lead Optimistically by Championing Growth and Development to Mobilize the Enterprise. Role Summary and Impact As a vital member of the Global Operations Centre (GOC), you will collaborate with teams across the United States, Europe, and Asia to deliver impactful solutions in a diverse, multicultural setting. We are in search of an exceptional and visionary Principal Engineer to join our Data & Technology Solutions leadership team. This pivotal position requires deep technical expertise, strategic architectural insight, and influential leadership. You will define the technical vision and direction for the core components of our data products and AI platforms, including WPP Open, ensuring their scalability, reliability, and innovation within the dynamic AdTech landscape. Additionally, you will mentor senior engineers, promote best practices, and significantly influence our engineering culture and future.

Job Overview:Join our dynamic team at tsmg, a leading Malaysian-based EPCC company, as we specialize in delivering innovative EHV solutions. We are actively seeking talented and experienced High Voltage Power Transmission Line Workers with a strong focus on stringing operations. The successful candidate will possess substantial expertise in high-voltage transmission lines, particularly in stringing activities for voltages of 330kV and above. If you are passionate about advancing your career in a cutting-edge environment, we want to hear from you!

Join our dynamic team at Sigma Software Group as a Principal Software Engineer specializing in Ruby. In this role, you will lead innovative projects, drive technical excellence, and mentor junior developers. Your expertise will be pivotal in shaping our software solutions and enhancing our development practices.

At Telemedi, we are at the forefront of healthcare innovation, employing a talented team of developers and medical professionals to create cutting-edge solutions that enhance the lives of both patients and healthcare providers. Our mission is to leverage technology to ensure that everyone has convenient and immediate access to medical care.The Telemedi Group is experiencing rapid growth, and we are seeking a dedicated individual to join our team in Warsaw to manage our primary care clinic, which serves patients under the Primary Healthcare (POZ) framework.Key Responsibilities Coordinate the work of the medical team and support staff development. Achieve business and operational objectives. Maintain high standards of medical services while pursuing continuous improvement. Act as a representative of the clinic to patients and the National Health Fund (NFZ). Ensure patient retention within the clinic. Prepare the clinic for operations, including staff availability, NFZ reporting, and daily coordination. Report and settle NFZ services. Qualifications Authorization to collect POZ declarations. Experience in nursing and/or team management. Commitment and motivation to achieve common goals. Strong organizational skills for both individual and team tasks. Benefits Salary range of 85 - 100 PLN/H, with employment options available through a contract or B2B. Career advancement opportunities in a rapidly growing med-tech organization. Flexible working hours in a supportive and trust-based team environment. Unlimited access to consultations through Telemedi.com. An open and transparent work culture where feedback is encouraged and shared.

Role Overview Mirantis, Inc. is hiring a Lead Principal DevOps Engineer in Warsaw. This role focuses on improving customer application infrastructure and delivery pipelines. The position works closely with teams across disciplines to design and build strong CI/CD frameworks. The goal: smooth integration and deployment for client projects. What You Will Do Collaborate with cross-functional teams to create and implement CI/CD frameworks Support seamless integration and deployment processes for customer applications Apply DevOps expertise to improve efficiency and drive innovation across services Help clients meet their strategic objectives by enhancing delivery pipelines

Role Overview Sigma Software Group is seeking a Lead Principal Software Engineer with a focus on Interior Design software. This position is based in Warsaw. The role centers on leading software development efforts that improve both the user experience and the core functionality of interior design applications. What You Will Do Guide and oversee software projects aimed at enhancing interior design tools. Collaborate with cross-functional teams to define technical requirements and deliver high-quality solutions. Ensure development meets rigorous quality standards throughout the project lifecycle. Mentor junior engineers and encourage adoption of best practices within the team. Shape the technological direction of projects, influencing how designers interact with and benefit from Sigma Software Group’s products. Impact Your leadership will help designers create visually impressive and efficient spaces. The solutions developed will support both ease of use and strong functionality for end users.

Join AECOM as a Technical Director – Primary Substations (T&D) in Warsaw, where you will lead innovative projects and manage a talented team in the field of electrical engineering.In this role, you will be responsible for overseeing the design and implementation of high-voltage substations, ensuring compliance with industry standards and delivering exceptional results for our clients.

Join Box as a Senior Backend Software Engineer and be part of a pioneering team that is reshaping the world of Intelligent Content Management. In this role, you will work on high-scale, distributed systems, tackling significant engineering challenges such as performance optimization, auto-scaling microservices, ensuring data integrity during large migrations, and maintaining search indexing accuracy. Your contributions will directly impact thousands of enterprise customers, helping them manage their critical business content effectively. If you're ready to drive innovation in AI-powered content management, we want to hear from you!

Waymo is at the forefront of autonomous driving technology, dedicated to becoming the world's most trusted driver. Originating as the Google Self-Driving Car Project in 2009, Waymo has committed to developing the Waymo Driver—The World’s Most Experienced Driver™—to enhance mobility access while saving lives lost to traffic accidents. With over ten million successful rider-only trips and extensive experience driving more than 100 million miles on public roads alongside simulations across 15+ U.S. states, the Waymo Driver powers our fully autonomous ride-hail service and can be integrated across various vehicle platforms and use cases.Are you ready to innovate the future of driverless car infrastructure? Join the Waymo Simulation Infrastructure team to help shape transportation's next era! We are seeking an enthusiastic Staff Software Engineer eager to build and manage planet-scale distributed systems. If you are passionate about solving intricate technical challenges and enjoy collaborative work across diverse teams to create reliable, scalable, and cost-effective infrastructure services and tools, we would love to connect with you!In this role, you will report to a Senior Staff Software Engineer/Technical Lead Manager.