Controls and Integration Engineer III - Mechanical

Reliant Critical Infrastructure; Houston (TX); On-site; USD 95,000 - 120,000; Full time

Job summary

Reliant Critical Infrastructure in Houston, TX seeks a Controls & Integration Engineer III, Mechanical Focus to design, develop, and maintain advanced monitoring and control systems for mission-critical environments such as data centers.

You will work on BAS, SCADA, PLCs, and EPMS projects, producing design documents, resolving field issues, and training junior engineers while traveling up to 25% for out-of-town assignments.

Qualifications

• Bachelor's degree in mechanical engineering with 5-7 years of field experience, or associate degree with 10 years, or high school diploma with 15 years field experience.
• 5+ years’ experience designing and servicing control systems for chiller plants and data center environments.
• Proficiency in reading mechanical and control schematics.
• Experience with BAS startup, configuration, calibration, and troubleshooting.

Responsibilities

• Design and develop control system solutions for SCADA/Automation projects with design documents and system narratives.
• Perform requirements analysis and subsystem designs (CAD, panels, wiring, SCADA screens).
• Review third-party design documents for compliance and support large programs.
• Program, configure, and troubleshoot controllers, PLCs, RTUs, and HMI systems.
• Assist in creating and updating testing and commissioning procedures and reports.
• Commission deployed systems and develop test equipment and simulations.
• Perform factory and field testing, maintenance, and upgrades of systems.
• Support cost estimation, scope review, and change order evaluations with senior engineers.
• Coordinate tasks and provide technical direction to junior staff.
• Conduct site surveys and inspections for project planning.

Skills

Mechanical Engineering

Field experience

SCADA

PLC programming

Chiller plants

CAD/CAE

BAS startup

OT/IT networking

Education

Bachelor's degree in mechanical engineering

Associate degree in mechanical field

High school diploma with 15 years field experience

Tools

Visio

AutoCAD

Microsoft Project

Primavera P6

Job description

Controls & Integration Engineer III, Mechanical Focus

Join a dynamic engineering team in Houston, TX as a Controls & Integration Engineer III, Mechanical Focus. This role is ideal for experienced professionals passionate about designing, developing, and maintaining advanced monitoring and control systems for mission-critical environments such as data centers. The position offers the opportunity to work on cutting-edge projects involving Building Automation Systems (BAS), SCADA, PLCs, and Electrical Power Monitoring Systems (EPMS). As a technical expert, you will play a key role in delivering innovative solutions to complex customer needs, collaborating with multidisciplinary teams, and supporting the deployment and maintenance of high-performance mechanical and control systems.

Responsibilities

• Design and develop control system solutions for SCADA/Automation projects, including generating design documents, narratives, and system functional documentation.


• Perform requirements analysis and create subsystem designs (CAD, panels, layouts, wiring, SCADA screens, hardware, communications).


• Review and comment on third-party design documents to ensure compliance with project requirements and support large-scale programs.


• Program, configure, and troubleshoot controllers, PLCs, RTUs, and HMI systems.


• Assist in creating and updating testing and commissioning procedures, originate test procedures, and prepare test reports.


• Commission deployed systems and develop test equipment and simulation devices.


• Perform factory and field testing, maintenance, and troubleshooting on existing and legacy systems, including hardware/software upgrades and replacements.


• Support cost estimation, scope review, and evaluation of change orders in collaboration with senior engineers and stakeholders.


• Assign tasks, coordinate with technical staff, and provide technical direction and on-the-job training to less experienced team members.


• Conduct site surveys, inspections, and tours as required for project planning and execution.

Qualifications

• Bachelor's degree in mechanical engineering with 5-7 years of field experience, or associate degree in a mechanical field with 10 years of field experience, or high school diploma with 15 years of field experience.


• Minimum 5 years’ experience designing and servicing control systems for chiller plants, complex air distribution equipment, equipment installation, and testing.


• Proficiency in reading mechanical and control schematics.


• Experience with BAS startup, configuration, calibration, and troubleshooting.


• Hands-on experience with testing, calibration, and industry-specific tools and software.


• Experience with air handlers, chiller plant systems, and data center CRAC units.


• Familiarity with networking design, configuration, and troubleshooting (OT and IT networks).


• Proficiency in CAD/CAE software (e.g., Visio, AutoCAD) and schedule management software (e.g., Microsoft Project, Primavera P6).


• Strong skills in standard office software (Microsoft Word, Excel, Access, etc.).


• Certification in one or more PLC/Automation platforms (e.g., Niagara N4, Schneider, Rockwell, Siemens, JCI, ALC, Distech).


• Certification in one or more SCADA platforms (e.g., Iconics, Ignition, Aveva).


• Preferred: DBIA, CSSA, or CAP certifications.


• Must be a US Citizen.


• Willingness to travel up to 25% for out-of-town assignments.