OT Network

ppWe are seeking an experienced and driven bOT Security Network Architect /b to help our clients secure and optimize their industrial network environments. If you have a passion for OT security, deep technical expertise, and a “can-do” mentality, this could be your next challenge. At spotit, you will protect the digital backbone of industrial processes that keep our economy running. /p h3What will you be doing /h3 pAs an OT Security Network Architect at spotit, you will design, implement, and improve secure operational technology (OT) network infrastructures. Your work will ensure resilience and security in critical industrial processes. You will: /p ul liAnalyze and design robust OT security solutions tailored to client environments. /li liCollaborate closely with clients and internal teams to assess and mitigate risks. /li liBridge the gap between IT, OT, and management for secure and compliant operations. /li liLead projects from concept to implementation with a focus on quality and customer satisfaction. /li liStay ahead of trends and emerging threats in OT security. /li liConduct OT security assessments and clearly communicate findings. /li liSupport pre-sales activities, technical workshops, and demonstrations. /li liAssist operational teams during incidents with guidance and expertise. /li /ul h3A day in the life of an OT Network Security Architect /h3 pImagine starting your day reviewing the latest industrial threat intelligence while enjoying coffee in the spotit office. You hop into a workshop with an energy sector client to design a secure network segmentation strategy for their smart grid infrastructure. /p pThe afternoon finds you analyzing the OT network and security risks for a manufacturing facility and creating a roadmap for the IT and OT team to build a more resilient infrastructure. /p pYou finish the day preparing a proposal for a new IIoT security project, knowing your work safeguards not only data, but critical infrastructure powering communities. /p pAt spotit, every day is about making industrial environments safer — and every solution you deliver has a tangible impact on society. /p h3Your profile /h3 ul libExperience: /b 5+ years in network and security architecture, ideally within OT environments. /li libIndustry knowledge: /b exposure to at least one of these verticals is a plus:ul liEnergy (smart grids, substations) /li liPort logistics (Straddle carriers, WMS/TPM systems, TOS) /li liManufacturing (PLC/SCADA/MES integration, IIoT) /li liChemical/Pharma (GxP, validation) /li /ul /li libTechnical

skills:
/bul liIndustrial network architecture (Layer 2/3, VLANs, segmentation, routing, redundancy topologies). /li liIntegration of firewalls with IDS/IPS for OT environments. /li liExpertise with NGFW (Palo Alto Networks, Fortinet, Cisco, Check Point). /li liZone-based firewalling (Purdue model, IEC62443). /li liOT protocols: Modbus, DNP3, OPC UA, Profinet, EtherNet/IP. /li liNetwork sniffing tools: Wireshark/tcpdump, WinDump. /li liSecuring IIoT and hybrid cloud-edge environments. /li /ul /li libOT/ICS Knowledge: /bul liSCADA, PLCs, RTUs, HMIs. /li liAsset discovery, baselining, anomaly detection. /liliSegmentation for OT/ICS (Firewall, ACLs, pVLAN, Security Group Tagging). /li liAir-gapped networks and legacy systems. /li /ul /li libSoft

skills:
/bul liStrong presentation and stakeholder management skills. /li liSolution-oriented, pragmatic, hands‑on mindset. /li liExperience leading migrations, segmentation projects, incident response, compliance audits. /li /ul /li libLanguages: /b fluent in Dutch and English. /li libMobility: /b willing to work on-site in Belgium and internationally. /li libCertifications (nice to have): /bul liISA/IEC 62443 series, CISSP, CCSP, CCIE Security, GICSP, CompTIA Security+, Network+. /li /ul /li /ul pAt spotit, every project feels like a mission — bringing IT OT teams together, securing critical industrial systems and keeping processes running safely. It’s rewarding to know that our work directly impacts the safety and efficiency of essential services. If you love challenges and making a real difference, this is where you want to be. /p p— bErik De Nert, Head of OT /b /p h3Our offer /h3 h3Match made in heaven? We reward that /h3 ul liCompetitive

salary:
enhanced with numerous benefits. /li liCompany car with fuel card: so you’re covered on the road. /li liHybrid work environment: avoid traffic jams. /li liContinuous learning opportunities: a wide range of training options to keep you growing. /li liLegendary team‑building activities: quarterly fun events that have become the stuff of spotit legends. /li liA passionate team of experts: ready to share their knowledge and passion for what they do best. /li /ul h3Interested? /h3 pReady to become a spottee? Apply now and we’ll soon meet up for a coffee /p /p