Role Description The Low Voltage Engineer / Estimator is responsible for reviewing construction drawings, performing accurate quantity takeoffs, preparing estimates, and producing clear documentation for field technicians. This role requires strong technical expertise in low voltage systems, plan reading, and drawing markups—not just administrative support. The engineer/estimator will collaborate with project managers, clients, and field teams to ensure precise scope definition, cost control, and successful project execution. - Review and interpret architectural, electrical, MEP, and low voltage/security drawings. - Perform detailed quantity takeoffs for devices, cable runs, cameras, data drops, and related scope. - Prepare cost estimates, proposals, and supporting documentation. - Create floor plan markups, system diagrams, and installation drawings for field technicians. - Utilize digital takeoff and markup software (Bluebeam, PlanSwift, AutoCAD, Visio, Excel). - Coordinate with field teams, installers, subcontractors, and site engineers to resolve questions and site condition changes. - Update drawings and estimates based on change orders, RFIs, addenda, or field modifications. - Communicate directly with clients to clarify project scope and requirements. - Organize tasks, drawings, estimates, and open questions independently in a remote work environment. Qualifications - Bachelor’s degree in Electrical Engineering, Electronics, Construction Management, or related field (preferred). - 3+ years of experience in low voltage estimating, plan reading, and technical project coordination. - Proficiency in Bluebeam, PlanSwift, AutoCAD, Visio, and Excel. - Strong knowledge of low voltage, electrical, MEP, and auxiliary systems (CCTV, access control, intercom, structured cabling, AV, Wi-Fi, automation). - Ability to prepare clear floor plan markups, system diagrams, and installation drawings. - Competence in performing accurate quantity takeoffs and organizing estimates.

• Administration and maintenance of a virtualized test environment (Hyper-V) serving as the technical foundation for critical infrastructure projects in energy systems (HVDC, FACTS) • Install, configure, and maintain virtual machines, operating systems, and applications within the test environment • Install and configure physical and virtual network devices, including switches, routers, and firewalls • Monitor system and network performance to identify and predict problems and make proactive adjustments • Manage the full lifecycle of virtualization and network components in alignment with cybersecurity guidelines and mandatory patching activities • Maintain and manage backup and recovery processes for the test environment • Troubleshoot and resolve issues across the Hyper-V environment and connected network infrastructure • Administer and maintain security applications within the test environment, including endpoint protection, vulnerability scanning tools, and access control systems • Provide technical support and create documentation for Hyper-V processes, network configurations, and security procedures • Track technical developments and technological trends in IT and OT security; continuously expand know-how relevant to energy system test environments • Create and maintain disaster recovery plans and procedures for responding to major outages affecting the test infrastructure • Identify, assess, and remediate security issues as they arise; implement and refine system hardening measures across the environment

• Administration and maintenance of a virtualized test environment (Hyper-V) serving as the technical foundation for critical infrastructure projects in energy systems (HVDC, FACTS), including: • Install, configure, and maintain virtual machines, operating systems, and applications within the test environment • Install and configure physical and virtual network devices, including switches, routers, and firewalls • Monitor system and network performance to identify and predict problems and make proactive adjustments • Manage the full lifecycle of virtualization and network components in alignment with cybersecurity guidelines and mandatory patching activities • Maintain and manage backup and recovery processes for the test environment • Troubleshoot and resolve issues across the Hyper-V environment and connected network infrastructure • Administer and maintain security applications within the test environment, including endpoint protection, vulnerability scanning tools, and access control systems • Provide technical support and create documentation for Hyper-V processes, network configurations, and security procedures • Track technical developments and technological trends in IT and OT security; continuously expand know-how relevant to energy system test environments • Create and maintain disaster recovery plans and procedures for responding to major outages affecting the test infrastructure • Identify, assess, and remediate security issues as they arise; implement and refine system hardening measures across the environment

Role Description As our business in Africa continues to grow, we are looking for a freelance Solution Engineer (m/f/d) to join us from July 2026 and help strengthen our presence in and around Lagos, Nigeria. - Use your technical expertise and telco knowledge to help customers unlock the full potential of our products. - Support customers throughout installation, rollout, and integration, ensuring successful implementation of StableNet in complex network environments. - Act as a technical advisor to the Sales team. - Support the preparation of tender offers, respond to RFIs and RFQs, and deliver compelling product demonstrations to customers and prospects. - Work in an international team of about 15 experts. Qualifications - Understanding of large IT and telecommunications networks. - Comfortable working with technologies such as SNMP, IPv6, Kafka, or comparable tools and protocols. - Ability to write small scripts to support technical tasks, automation, or troubleshooting. - Clear communication and strong English skills. - Enjoy working closely with customers and explaining technical concepts in a clear and practical way. - Prepared to travel for regular on-site visits to customers. Requirements - No specific degree or fixed number of years of experience required. - Strong customer-facing skills. Benefits - Unlimited freelance contract with fixed compensation paid in USD or EUR. - Flexible working hours - work when you can! - High-end company laptop provided, with the OS of your choice. - Training and extensive onboarding program available. Company Description Infosim ist ein internationales IT-Unternehmen mit Tätigkeitsschwerpunkt im Netzwerk-Management. Dazu entwickeln und vertreiben unsere über 100 Mitarbeiter StableNet®, also unsere Netzwerk-Management-Lösung. Darüber hinaus leisten wir auch individuelle Softwareentwicklung für unsere Kunden. Unser Hauptsitz ist in Würzburg, aber wir arbeiten mit Mitarbeitern aus der ganzen Welt: Mobiles Arbeiten wird bei uns geliebt und gelebt, wo immer es die Stelle zulässt. Weitere Standorte haben wir in Münster, Austin (TX) und Singapur.