{"id":2595443,"url":"https://alion.io/job/metro-sys-otscada-solutions-architect-metrosys","title":"OT/SCADA Solutions Architect - MetroSys","company":{"id":4418805,"name":"MetroSys","domain":"metro-sys.com","url":"https://alion.io/company/metro-sys","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_company_offices","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":100000,"max_usd":210000,"period":"year","method":"global_role_seniority_cell","sample_n":1531},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MQTT","optional":false},{"name":"OPC UA","optional":false},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-10-15T07:05:53Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-19T12:46:10Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Position Overview\nMetroSys is seeking an experienced OT/SCADA Solutions Architect to lead the technical architecture and deployment strategy for a large-scale rollout of the Inductive Automation Ignition SCADA platform across multiple industrial locations.\nThis is a senior, hands-on architecture role responsible for translating business, operational, and plant-level requirements into a scalable and repeatable SCADA architecture. The consultant will work closely with client OT leadership, controls engineers, networking and cybersecurity teams, plant resources, and deployment engineers to establish standards and ensure successful implementation across sites.\nThe architect will help define and refine the client's Ignition reference architecture, gold image, deployment templates, integration standards, network requirements, security model, and commissioning methodology. The individual will also provide technical leadership during complex site deployments and serve as an escalation point for integration and performance issues.\nDeep SCADA/OT architecture experience is required. Direct Ignition experience is strongly preferred; however, highly experienced SCADA architects with comparable enterprise platforms and strong industrial integration experience may be considered.\nKey Responsibilities\nOwn and evolve the overall Ignition SCADA reference architecture supporting multi-site and potentially global deployments.\nDefine architecture standards for Ignition gateways, redundancy, communications, historians, databases, visualization, alarming, security, and system integrations.\nDevelop and maintain standardized gold images, deployment templates, configuration standards, and reference designs for repeatable site implementations.\nLead technical discovery and assess individual plant environments, including PLCs, control systems, networks, databases, historians, field equipment, and existing SCADA platforms.\nDesign integration between Ignition and PLCs, controllers, OPC/OPC UA servers, MQTT infrastructure, databases, historians, MES/ERP platforms, and other OT systems.\nEstablish standards for tag structures, naming conventions, alarming, historian configuration, templates, visualization, and reusable application components.\nArchitect highly available and resilient SCADA environments, including gateway redundancy, backup/recovery, failover, performance, and scalability.\nPartner with OT networking and cybersecurity teams to define network segmentation, firewall requirements, secure communications, remote access, authentication, and OT security controls.\nProvide architectural guidance for industrial protocols including OPC UA, EtherNet/IP, Modbus TCP, MQTT/Sparkplug, and related technologies.\nServe as the senior technical escalation point for complex SCADA, controls, communications, networking, and application-integration issues.\nLead design reviews and provide technical oversight to SCADA deployment engineers and site implementation teams.\nEstablish testing, validation, commissioning, and production-readiness standards for site deployments.\nReview site-specific deviations and determine when configurations should be incorporated into the enterprise architecture or remain site-specific.\nIdentify opportunities to automate deployments and improve repeatability across large numbers of industrial locations.\nProduce and maintain architecture diagrams, standards, design documentation, deployment procedures, and as-built documentation.\nMentor engineers and controls resources responsible for implementing the architecture.\nWork with client leadership to develop a longer-term SCADA/OT technology roadmap as the Ignition environment expands.\nRequired Qualifications\n8+ years of experience in SCADA, industrial automation, controls engineering, OT infrastructure, or related industrial technology environments.\n3+ years in a senior engineering, technical lead, or architecture capacity supporting industrial systems.\nDemonstrated experience designing or leading enterprise or multi-site SCADA/HMI architectures.\nStrong knowledge of PLC integration, industrial controls, field devices, historians, databases, and plant-floor technologies.\nStrong understanding of OPC/OPC UA, EtherNet/IP, Modbus, MQTT and other industrial communication protocols.\nExperience architecting SCADA connectivity across segmented industrial networks.\nStrong understanding of industrial networking, including switching, routing, VLANs, firewalls, NAT, DMZs, and OT/IT segmentation.\nExperience designing high-availability, redundant, scalable, and recoverable industrial systems.\nUnderstanding of OT cybersecurity principles and industrial security architecture.\nAbility to translate plant-specific requirements into standardized enterprise architecture.\nExperience leading technical design sessions and working across OT, IT, cybersecurity, networking, controls, and business teams.\nStrong documentation, communication, troubleshooting, and technical leadership skills.\nPreferred Qualifications\nExtensive hands-on experience with Inductive Automation Ignition.\nIgnition Gold Certification or equivalent advanced Ignition experience.\nExperience with Ignition Perspective, Vision, Tag Historian, Alarm Notification, SQL Bridge, Enterprise Administration Module, or related modules.\nExperience architecting multi-gateway or enterprise-scale Ignition environments.\nExperience with MQTT/Sparkplug architectures and industrial edge computing.\nExperience with Rockwell FactoryTalk, AVEVA/Wonderware, Siemens WinCC, GE CIMPLICITY/iFIX, or comparable SCADA platforms.\nStrong experience with Allen-Bradley/Rockwell, Siemens, Schneider Electric, or similar PLC/control platforms.\nExperience integrating SCADA environments with MES, ERP, cloud, data analytics, or enterprise data platforms.\nKnowledge of ISA/IEC 62443, Purdue Model architecture, NIST guidance, or similar OT cybersecurity frameworks.\nExperience developing standards for a multi-plant or global manufacturing 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