{"source":"Breaknorm","page":"https://breaknorm.co/tools/dnp3","license":"https://breaknorm.co/terms","slug":"dnp3","name":"DNP3","vendor":"IEEE","category":"iot-platforms-protocols","website":null,"jobs":{"companies":321,"postings":1102,"posting_companies":414,"posted_30d":635,"companies_30d":255,"posted_90d":895,"companies_90d":342,"by_country":[["US",221],["GB",20],["CA",7],["DE",7],["AU",6],["FR",6],["BR",5],["IN",5],["SG",4],["AE",3],["DK",3],["NL",3]],"by_headcount":[["51-200",61],["1001-5000",57],["10001+",54],["201-500",47],["501-1000",34],["11-50",26],["2-10",19],["5001-10000",17],["0-1",6]],"by_vertical":[["utilities_infrastructure",77],["manufacturing_industry",64],["technology_software",62],["business_finance_services",42],["property_construction",36],["community_associations_public",12],["consumer_services_leisure",11],["commerce_trade",6],["media_content",6],["health_care",2],["transport_logistics_rental",2],["automotive",1]],"by_function":[["engineering_non_software",543,206],["it_operations_and_business_systems",174,108],["software_engineering",89,43],["skilled_trades_and_field_service",51,25],["sales",17,12],["product_program_and_project_management",13,10],["customer_service_and_success",10,9],["healthcare_clinical",8,2],["construction_and_civil",6,1],["education_and_training",5,2],["business_development_and_strategy",4,3],["finance_and_accounting",4,2],["data_and_ai",3,3],["research_and_science",3,2],["facilities_cleaning_and_security",2,2],["general_management_and_consulting",2,2],["marketing_and_communications",2,1],["quality_safety_and_environment",2,1],["design_and_ux",1,1],["public_safety_and_protective_services",1,1],["retail_and_store_operations",1,1]],"co_tech":[["modbus",956,367],["iec-61850",540,194],["opc-ua",263,141],["tcp-ip",173,77],["opc",171,90],["ethernet-ip",150,101],["wireshark",135,49],["c-plus-plus",126,51],["profinet",123,74],["ignition",118,63],["linux",115,58],["iec-60870-5-104",110,52],["bacnet",93,54],["mqtt",88,47],["goose-iec-61850",86,35],["cisco",76,47],["etap",71,35],["autocad",69,39],["nozomi-networks",68,38],["iec-61131",67,41],["git",66,31],["ethernet",65,37],["omicron-test-systems",63,22],["c",61,29],["skm-powertools",59,24]]},"overlap":0,"dns":null,"outbound":null,"top_note":"Companies with 201+ employees and high-confidence evidence in their own postings; job boards and portals left out.","top_total":14,"top":[{"domain":"auburn.edu","name":"Auburn University","country":"US","city":null,"headcount":"5001-10000","leaf":"universities","summary":"Auburn University is a public research university in Alabama that provides undergraduate and graduate education, research, and extension and outreach programs."},{"domain":"zelestra.energy","name":"Zelestra","country":"US","city":null,"headcount":"501-1000","leaf":"renewable_energy_project_developers","summary":"Zelestra is a renewable energy developer that builds solar, battery storage, wind and green hydrogen projects for large corporations and tech companies."},{"domain":"t1energy.com","name":"T1 Energy","country":"US","city":"Austin","headcount":"201-500","leaf":"solar_pv_module_and_inverter_manufacturers","summary":"T1 Energy is a solar and battery manufacturer that builds domestic solar supply chains to produce durable solar components."},{"domain":"austintexas.gov","name":"City of Austin","country":"US","city":null,"headcount":"10001+","leaf":"municipal_authorities_and_general_public_bodies","summary":"City of Austin is a municipal government portal that provides city services and information for residents, businesses, and job applicants."},{"domain":"aep.com","name":"AEP","country":"US","city":"Lincoln","headcount":"10001+","leaf":"electricity_grid_operators","summary":"AEP is a national electric utility company that provides power delivery, grid infrastructure investment and customer service across 11 states."},{"domain":"pima.gov","name":"Pima County","country":"LT","city":null,"headcount":"5001-10000","leaf":"municipal_authorities_and_general_public_bodies","summary":"Pima County is a government website for Pima County, Arizona that provides public services for residents, businesses and visitors."},{"domain":"eversource.com","name":"Eversource","country":"US","city":null,"headcount":"10001+","leaf":"energy_retail_suppliers","summary":"Eversource is a utility provider that delivers electricity, natural gas and water to residential customers."},{"domain":"1ap.com","name":"1st Avenue Power (1AP)","country":"US","city":"Angeles City","headcount":"201-500","leaf":"solar_pv_installers","summary":"1st Avenue Power (1AP) is a power systems company that develops and delivers solar and storage power systems for businesses and enterprises."},{"domain":"busch-jaeger.de","name":"Busch-Jaeger","country":"DE","city":"Mannheim","headcount":"1001-5000","leaf":"security_and_access_control_equipment_manufacturers","summary":"Busch-Jaeger is a manufacturer of electrical installation and smart home products that supplies installers, architects, wholesalers and end customers."},{"domain":"caterpillar.com","name":"Caterpillar Inc.","country":"US","city":null,"headcount":"10001+","leaf":"construction_earthmoving_machinery","summary":"Caterpillar Inc."},{"domain":"hitachirail.com","name":"Hitachi Rail","country":"GB","city":null,"headcount":"10001+","leaf":"railway_rolling_stock_and_components","summary":"Hitachi Rail is a manufacturer that develops and supplies rail transport solutions for railway operators worldwide."},{"domain":"firstenergycorp.com","name":"FirstEnergy","country":"US","city":null,"headcount":"10001+","leaf":"energy_retail_suppliers","summary":"FirstEnergy is an electricity utility that provides power supply, grid reliability and energy-efficiency programs for residential and commercial customers."},{"domain":"solaris-energy.com","name":"Solaris Energy Infrastructure","country":"US","city":"Houston","headcount":"201-500","leaf":"generator_installation_and_service","summary":"Solaris Energy Infrastructure is a power generation and distribution company that delivers proprietary power generation and distribution solutions, logistics eq."},{"domain":"ralliant.com","name":"Ralliant","country":"US","city":"Raleigh","headcount":"5001-10000","leaf":"defence_systems_manufacturers","summary":"Ralliant is a precision technologies company that empowers engineers with technologies essential for breakthrough innovation in medical equipment and defense sy."}],"footprint_top_total":0,"footprint_top_note":"Companies with 1,000+ employees whose website or DNS carries DNP3 but whose postings never name it: the part of the market job data alone misses.","footprint_top":[],"countries":[],"as_of":"2026-11-04","updated_at":"2026-11-04","hash":"0047b170109d3cb4","index_tier":1,"prev":{"as_of":"2026-11-03","footprint":0,"jobs_companies":323}}