Chemical SCADA Engineer (Phoenix)

Job Overview Marketech International Corporation USA is seeking a skilled Chemical SCADA Engineer to support the design, configuration, implementation, optimization, and maintenance of SCADA / DCS systems for chemical, industrial, and semiconductor-related facility operations. This role is responsible for developing and maintaining control system architecture, HMI displays, system tags, control logic, alarms, historian data, and communication interfaces that support critical process systems. The ideal candidate will have hands-on experience with SCADA / DCS platforms, preferably Emerson DeltaV , strong PLC integration knowledge, and the ability to read and interpret P&ID drawings to ensure system configurations align with process flow, safety requirements, and operational standards.

Key Responsibilities Configure, build, and maintain SCADA / DCS system architecture, including servers, controllers, EIOC, and related system components Design and develop HMI / operator graphic displays to support clear process visibility and operator response Create, configure, and manage system tags in accordance with P&ID drawings, project standards, and naming conventions Configure industrial communication protocols, including PLC, Modbus, OPC, and related integration interfaces Develop control logic using Emerson DeltaV function blocks and related control strategies Implement sequence control, interlocks, timers, permissives, and conditional logic to support safe and reliable system operation Design integrator-based calculations, conditional logic, and process control functions based on operational requirements Configure alarm strategies, including HI, HI-HI, A_ALM, B_ALM, and related alarm parameters Implement alarm hysteresis, alarm suppression logic, and OPSUP logic to reduce nuisance alarms and improve operator response Provide on-site maintenance support, troubleshooting assistance, and emergency response for control system issues Configure historian / INSQL data points, records, trends, and reporting structures Develop trend displays, dashboards, reports, and data visualization tools to support operations and engineering teams Integrate SCADA systems with databases, historian platforms, and external data systems as needed Qualifications Hands-on experience with SCADA / DCS systems; Emerson DeltaV experience strongly preferred Experience configuring servers, controllers, EIOC, HMI graphics, tags, alarms, and control logic PLC integration experience, including Ladder Logic and Function Block programming concepts Knowledge of industrial communication protocols, including Modbus, OPC, and PLC communication interfaces Strong control logic design experience, including sequences, interlocks, timers, permissives, and conditional logic Ability to read, interpret, and apply P&ID drawings, loop drawings, and related engineering documentation Experience supporting loop checks, system testing, commissioning, and startup activities Experience with alarm configuration, alarm rationalization, alarm suppression, and nuisance alarm troubleshooting Familiarity with historian systems, INSQL, trend displays, dashboards, and operational reporting tools Strong troubleshooting skills related to communication issues, system performance, alarms, and logic errors Ability to collaborate with engineering, operations, maintenance, commissioning, and project teams Strong attention to detail, documentation accuracy, and ability to work in high-specification industrial environments Preferred Qualifications Experience supporting chemical, semiconductor, manufacturing, industrial, or high-purity facility systems Emerson DeltaV configuration and commissioning experience Experience working with chemical delivery systems, process utilities, UPW, wastewater, gas, exhaust, or facility control systems Experience supporting field commissioning, startup, SAT/FAT, loop checks, and system validation Knowledge of control system cybersecurity, access control, change management, and system documentation standards Experience with database integration, historian reporting, and dashboard development Work Environment This position may require work in industrial, construction, semiconductor, chemical, and facility environments. The role may involve both office-based engineering work and field support, including troubleshooting, commissioning, system validation, and on-site maintenance activities. Candidates should be comfortable working cross-functionally with engineering, operations, construction, and maintenance teams in a fast-paced project environment.

Equal Employment Opportunity Statement Marketech International Corporation USA is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable federal, state, or local law. We are committed to maintaining a workplace that values diversity, inclusion, respect, and equal opportunity for all.