{"id":3286744,"url":"https://alion.io/job/on-energy-scada-engineer-ems-2","title":"SCADA Engineer - EMS","company":{"id":2116613,"name":"ON.energy","domain":"on.energy","url":"https://alion.io/company/on-energy","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":81,"open_postings":9,"ghost_share":0,"stale_share":0.556,"repost_share":0,"time_to_fill_p50_days":63,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Houston, United States","Miami, United States","Reston, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":69000,"max_usd":126000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":4330},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DNP3","optional":false},{"name":"MQTT","optional":false},{"name":"OPC UA","optional":false},{"name":"SQL","optional":false},{"name":"Azure","optional":true},{"name":"Azure DevOps","optional":true}],"status":"live","first_seen_at":"2026-10-26T14:09:42Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-29T18:38:39Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"ON.energy is setting the standard for large load interconnection. ON’s patented AI UPS™ is a medium-voltage UPS that serves as a firewall, protecting the data center from the grid, and the grid from the data center. With multiple gigawatts currently under construction, we are enabling grid-safe data centers. \nThe EMS team is looking for a SCADA Engineer to own the core configuration of our SCADA platform in Ignition, primarily tag structures, UDT setup, and communication with field devices. This person will support the HMI team and the controls team by developing tools that speed up SCADA configuration, deployment, and ongoing support of our current and evolving SCADA solution across battery energy storage systems (BESS) and grid connected assets.\nKEY RESPONSIBILITIES\nConfigure and maintain SCADA tags, UDTs (User Defined Types), and device connections in Ignition, ensuring a consistent and scalable foundation across sites.\nDesign and maintain MQTT based communication for SCADA, including broker configuration, topic structure, and integration with Ignition.\nIntegrate SCADA systems with PLCs and other field devices across BESS and grid connected inverter topologies, using protocols such as MQTT, Modbus TCP/RTU, OPC UA, and DNP3.\nBuild and maintain tools that support the HMI team, such as automated UDT and tag generation, configuration templates, and data validation utilities.\nBuild and maintain tools that support the controls team, such as scripts for point checkout, configuration comparison, and deployment automation.\nIdentify and implement improvements to the efficiency, performance, and reliability of the current SCADA configuration and deployment process as it continues to develop and scale.\nTroubleshoot SCADA and communication issues in both development and live production environments, including field support as needed.\nSupport commissioning activities, including point to point checkout, alarm validation, and system testing.\nDocument SCADA configuration standards, tag maps, and MQTT topic structures to support long term maintainability.\nParticipate in the ongoing development of company alarm management and SCADA standards.\nDesign and maintain scalable SCADA architectures across OT, DMZ, and Cloud environments, including Ignition\nGateway Network, Remote Tag Providers, MQTT infrastructure, and historian integrations.\nParticipate in architecture reviews and propose improvements that increase system reliability, maintainability, and scalability.\nAnalyze and optimize SCADA performance, including tag execution rates, historian throughput, Gateway\nNetwork traffic, database performance, MQTT publish rates, and overall system resource utilization.\nPerform root cause analysis for latency, communication bottlenecks, and data quality issues across distributed SCADA systems.\nDesign, configure, and validate redundant SCADA architectures, including Ignition redundancy, redundant MQTT brokers, historian failover, and communication resiliency.\nExecute disaster recovery and failover testing procedures to ensure high system availability.\nDesign and maintain historical data strategies using Ignition Tag Historian and SQL databases.\nOptimize historian storage, retention policies, data compression, and historical query performance.\nREQUIREMENTS\nBachelor's degree in Electrical Engineering, Controls Engineering, Computer Engineering, or a related field, or equivalent practical experience.\n3+ years of hands on experience with Ignition, including tag configuration, UDT setup, device connections, and scripting.\nExperience with the Vision or Perspective modules is a plus but not the focus of this role.\nWorking knowledge of industrial communication protocols such as MQTT, Modbus TCP/RTU, OPC UA, or DNP3.\nExperience building or maintaining scripts or tools that support configuration, deployment, or validation of SCADA systems.\nStrong troubleshooting skills across both software and field level hardware issues.\nClear written and verbal communication skills, with the ability to document technical work for both technical and non technical audiences.\nPREFERRED\nUnderstanding of PLC based control systems and the ability to read and interpret control logic.\nFamiliarity with Siemens PLC platforms.\nExperience with battery energy storage systems (BESS) or renewable energy assets.\nExperience with SQL databases and historian systems.\nFamiliarity with Azure DevOps or similar work tracking tools for engineering documentation and issue management.\nKnowledge of alarm management standards such as ISA 18.2.\nBilingual in English and Spanish is a plus, given cross functional coordination with regional teams.\nFor US-based roles - What you’ll get:\nCompetitive salary + annual performance-based bonus eligibility\nMedical, dental, and vision insurance\n401(k) with company match\nPaid time off and company holidays \nFor Mexico-based roles - What you’ll get:\nCompetitive salary + annual performance bonus eligibility\nChristmas Bonus (Aguinaldo): 30 days\nMajor medical expenses and life insurance\nPaid time off and holidays (per local policy)\nFor all roles:\nProfessional development and growth opportunities\nOpportunity to grow with a mission-driven team shaping the future of clean energy\nEqual Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.\nBenefits vary by role and location and are subject to change.\nAgency Notice: ON.energy does not accept unsolicited resumes from staffing agencies, search firms, or third-party recruiters. Resumes submitted without a fully executed Master Services Agreement (MSA) and a written request from an authorized member of our Talent Acquisition team will be considered the property of ON.energy. No placement fees or compensation will be paid for unsolicited candidate submissions.","description_format":"text","description_chars":5860,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"Spanish","level":"Proficiency (C2)","optional":true},{"language":"English","level":"Proficiency (C2)","optional":true}]},"benefits":["Growth opportunities","Life insurance","Professional development","Vision insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Contract Manufacturing","Energy Storage","Power Grid","Power Supplies & Power Electronics"],"lifecycle":[{"event":"open","at":"2026-10-26T18:41:04Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":63,"reasons":["conf:0","win:early"],"computed_at":"2026-10-29T05:49:05Z"},"pay":null,"html_url":"https://alion.io/job/on-energy-scada-engineer-ems-2","json_url":"https://alion.io/job/on-energy-scada-engineer-ems-2.json","meta":{"generated_at":"2026-10-29T20:31:44Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":30464,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2116613},"rest":"https://alion.io/mcp/rest/get_company?id=2116613"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fon-energy-scada-engineer-ems-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fon-energy-scada-engineer-ems-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fon-energy-scada-engineer-ems-2"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/on-energy-scada-engineer-ems-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fon-energy-scada-engineer-ems-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3286744}},{"tool":"search_jobs","arguments":{"company":"on.energy","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3286744},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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