PLC Software Engineer

R.E. Mason•Atlanta, GA

1d•Hybrid

About The Position

As a 100% Employee-Owned company, Robert E. Mason & Associates, Inc. believes our Associates are the foundation of both our customers’ and our success. Our strong company culture, and belief in continued investment in our Associates, has helped us realize long Associate tenures, as well as long lasting relationships with our customers. R.E. Mason provides industry-leading process equipment and service for process control, automation, safety, and reliability. The industries served include Chemical, Pharmaceutical & Life Sciences, Power & Utilities, Food & Beverage, and Pulp & Paper. The successful candidate will be a significant contributor on our Project Execution Team. The PLC Engineer will work in the development, delivery, and commissioning of PLC-based control systems and solutions for R.E. Mason’s industrial customers. This role works closely with Technical Leads, SCADA Engineers, and cross-functional project teams to deliver high-quality automation solutions that meet strict performance, reliability, and uptime requirements. The PLC Engineer will support both capital project execution and lifecycle services, including system upgrades, expansions, and optimization efforts. The Automation Engineer will also provide aftermarket (“Lifecycle”) and staff augmentation support to customers. Typically, this includes maintaining and updating existing control strategies, implementing small scale expansion projects and assisting with process optimization projects.

Requirements

US Citizenship required
Strong PLC programming and troubleshooting capability
Experience with Allen-Bradley / Rockwell Automation PLC platforms (Studio 5000, ControlLogix, CompactLogix)
Excellent verbal and written communication skills
Ability to work effectively in a team environment and across cross-functional project teams
Self-directed, self-motivated, and detail oriented
Customer focused
Organized and reliable; demonstrates strong time management and accountability
Ability to troubleshoot complex systems in high-pressure, operational environments
BS. in CHE, EE, ME, Comp. Eng, Comp. Sci., other related disciplines
0-5 years of relevant experience
MS Office Experience

Nice To Haves

Experience with PLC platforms from Emerson, Siemens, or other major vendors
Experience integrating PLC systems with SCADA applications such as Ignition, FactoryTalk, Wonderware, or Iconics
Ability to configure third-party system integrations using OPC and related interfaces
Knowledge of industrial communication protocols (EtherNet/IP, Modbus TCP and RTU, BACnet/IP)
Understanding of data center or mission-critical infrastructure systems (EPMS, BMS, cooling systems, power distribution)
Experience working with historian systems such as OSI PI or FactoryTalk Historian
Familiarity with industrial networking and basic network troubleshooting
Prior experience working in highly regulated or uptime-sensitive environments

Responsibilities

Design, configure, and troubleshoot PLC systems supporting critical infrastructure and process automation
Develop, test, and deploy PLC logic for integrated control systems, including power, cooling, and building management subsystems
Integrate PLC systems with SCADA platforms, historians, and third-party systems (e.g., Ignition, DeltaV, OSI PI)
Develop system documentation including Functional Requirements Specifications (FRS) and Detailed Design Specifications (DDS)
Support Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT)
Perform on-site commissioning, startup, and troubleshooting activities in live operational environments
Troubleshoot control system, communication, and integration issues across PLC, HMI, and network layers
Support lifecycle services including system modifications, upgrades, and optimization of existing control strategies
Collaborate with SCADA, networking, hardware, and commissioning teams to ensure seamless system integration
Travel to customer sites to support project execution and commissioning activities (~25–50%)

Benefits

Participation in the Employee Stock Ownership Program (ESOP)
Retirement plan, including a Safe Harbor contribution
Medical / Dental / Vision Insurance
Employer paid Life Insurance and Long-Term Disability Insurance
Generous paid leave options that include vacation time, sick leave, personal leave time, R.E. Mason Way Half Day, paid Jury Duty, and paid Bereavement Leave
Paid Parental Leave
Paid company holidays
Career Development Program
Retirement and Financial Wellness program
Employee Assistance Program (EAP)
Alternative/Hybrid Work Schedules