Senior Presales Engineer

Senior Presales Engineer – Critical Infrastructure & Cybersecurity squareTec | Warsaw / Hybrid We’re growing our team and looking for a Senior Presales Engineer who can turn customer requirements into well-designed, technically sound solutions. You should have a strong understanding of IT infrastructure, networking and cybersecurity, with the ability to select and size the right components for a complete solution — from servers, storage and backup to network infrastructure and firewalls. You should also understand how these technologies fit together in complex IT/OT environments. You don’t need to be an expert in every technology, but you should know how to approach a technical solution, which components it requires and how to select the right technologies for the job. What you’ll do - Work with the Sales team to translate customer requirements into technical solutions. - Design solution architectures and select appropriate technologies, components and vendors. - Specify and size servers, storage, networking equipment, firewalls, backup and disaster recovery solutions based on project requirements. - Ensure that proposed components are compatible, properly sized and integrated into a coherent architecture. - Understand IT/OT environments, network segmentation and cybersecurity requirements, including their impact on solution design. - Prepare technical proposals, bills of materials (BOMs), architecture diagrams and technical documentation to support sales offers. - Work with Engineering to validate technical assumptions and ensure proposed solutions can be delivered. - Collaborate with technology vendors and manufacturers to select components and validate solution designs. What you bring - Experience in presales engineering, solution engineering, infrastructure architecture or a similar technical role. - Solid technical knowledge of IT infrastructure, networking and cybersecurity. - Practical understanding of server and storage sizing, network architecture, firewalls, backup and disaster recovery. - The ability to select appropriate components and technologies based on customer requirements, performance, capacity, security and scalability. - An understanding of how infrastructure, networking, cybersecurity and OT/industrial systems interact. - Familiarity with technologies and vendors such as Cisco, Fortinet, Check Point, Palo Alto Networks, HPE or Dell. - The ability to explain technical decisions clearly to Sales, customers and Engineering. - Good spoken and written English. - Willingness to undergo the security clearance process and obtain the required security clearances. Experience in Defence, Energy, Oil & Gas, Manufacturing or Critical Infrastructure will be a strong advantage. What matters most You know how to turn technical requirements into a solution that makes sense - technically, operationally and commercially. You can determine what equipment and technologies are needed, how they should work together and what needs to be included in the offer. Employment: Employment contract (UoP)