Senior PLC Commissioning Technician – Data Center Automation

Siemens AG; Chicago (IL); On-site; USD 73,000 - 125,000; Full time

Job summary

Siemens AG in the Chicago area seeks a Senior Commissioning Technician to install, startup, commission, validate, and transition complex building automation systems for data center facilities across the United States.

You will collaborate with engineering, project management, commissioning, service, subcontractors, and customer teams to ensure successful project delivery and customer satisfaction.

Qualifications

• 5+ years of experience supporting commissioning, controls, automation, building automation, industrial controls, electrical systems, or mission-critical facility infrastructure.
• Experience troubleshooting PLC-based control systems and automation technologies.
• Ability to read and interpret electrical schematics, control drawings, specifications, network architectures, and sequences of operation documentation.
• Legally authorized to work in the United States on a continual and permanent basis without company sponsorship.

Responsibilities

• Participate in startup, checkout, commissioning, validation, and customer acceptance activities for Building Automation projects.
• Support installation verification, panel checkout, point-to-point testing, I/O validation, loop testing, and functional performance testing.
• Troubleshoot and resolve issues involving PLC controllers, field devices, instrumentation, networking components, control panels, and integrated automation systems.
• Assist with startup and commissioning of facility automation systems associated with HVAC, electrical distribution, backup power, environmental monitoring, and critical infrastructure systems.
• Review project drawings, specifications, network architectures, sequences of operation, control schematics, and commissioning documentation.
• Coordinate technical activities with project teams, contractors, vendors, service personnel, and customer representatives.
• Document deficiencies, corrective actions, commissioning results, software backups, redlines, and turnover documentation.
• Assist with service transition and lifecycle readiness activities to ensure successful long-term operation of installed systems.

Skills

PLC troubleshooting

Building automation

HVAC systems

Electrical schematics

Project coordination

Education

High School Diploma

Technical degree

Tools

PLC programming

Job description

Job ID

523835

Posted since

29-Sep-2026

Organization

Smart Infrastructure

Field of work

Company

Experienced Professional

Job type

Full-time

Office/Site only

Employment type

Permanent

Location(s)

• Chicago - Illinois - United States of America

Position Location:

This role supports our Rolling Meadows, IL branch location, which serves customers throughout the greater Chicago, IL area.

Here at Siemens, we take pride in enabling sustainable progress through technology. We do this through empowering customers by combining the real and digital worlds. We are improving how we live, work, and move today and for the next generation! We know that the only way a business thrives is if our people are thriving. That's why we always put our people first. Our global, diverse team would be happy to support you and challenge you to grow in new ways. Who knows where our shared journey will take you?

Our Smart Buildings help to create efficient, safe , adaptable, and responsible environments. Our aim isn’t just about improving buildings; it’s about creating perfect places that improve people’s lives.

Transform the everyday with us!

As a Senior Commissioning Technician you will participate in the installation, startup, commissioning, validation, and lifecycle transition of complex automation systems supporting hyperscale, colocation, enterprise, and mission-critical data center facilities throughout the United States.

You will serve as a technical resource during project execution, collaborating with engineering, project management, commissioning, service, subcontractor, and customer teams to ensure successful project delivery and customer satisfaction.

As a Commissioning Technician - Building Automation, you will:

• Participate in startup, checkout, commissioning, validation, and customer acceptance activities for Building Automation projects.
• Support installation verification, panel checkout, point-to-point testing, I/O validation, loop testing, and functional performance testing.
• Troubleshoot and resolve issues involving PLC controllers, field devices, instrumentation, networking components, control panels, and integrated automation systems.
• Assist with startup and commissioning of facility automation systems associated with HVAC, electrical distribution, backup power, environmental monitoring, and critical infrastructure systems.
• Review project drawings, specifications, network architectures, sequences of operation, control schematics, and commissioning documentation.
• Support integrated systems testing including FAT, SAT, functional testing, and customer witness activities.
• Perform system diagnostics and validate operation of buliding level controllers, HMIs, remote I/O, network communications, and automation interfaces.
• Coordinate technical activities with project teams, contractors, vendors, service personnel, and customer representatives.
• Document deficiencies, corrective actions, commissioning results, software backups, redlines, and turnover documentation.
• Support customer training and project closeout activities.
• Assist with service transition and lifecycle readiness activities to ensure successful long-term operation of installed systems.
• Serve as a technical resource supporting continuous improvement initiatives and best practices for data center automation delivery.

You will make an impact with these qualifications:

Basic Qualifications:

High School Diploma, GED, technical degree, military training, apprenticeship, or equivalent experience.

5+ years of experience supporting commissioning, controls, automation, building automation, industrial controls, electrical systems, or mission-critical facility infrastructure.

Experience troubleshooting PLC-based control systems and automation technologies.

Ability to read and interpret: electrical schematics, control drawings, specifications, network architectures, and sequence of operations documentation

Experience supporting commissioning, startup, testing, troubleshooting, or validation of complex automation systems.

Must be 18 years of age and possess a valid driver's license with limited violations; must meet eligibility requirements to participate in Siemens' fleet vehicle program.

Legally authorized to work in the United States on a continual and permanent basis without company sponsorship.

About Siemens

We are a global technology company focused on industry, infrastructure, transport, and healthcare. From more resource-efficient factories, resilient supply chains, and smarter buildings and grids, to sustainable transportation as well as advanced healthcare, we create technology with purpose adding real value for customers.

Our Commitment to Equity and Inclusion in our Diverse Global Workforce

We value your unique identity and perspective. We are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society, while ensuring that we attract the best talent based on qualifications, skills, and experiences. We welcome you to bring your authentic self and transform the everyday with us.

The pay range for this position is $72,757 - $124,726 annually. The actual wage offered may be lower or higher depending on budget and candidate experience, knowledge, skills, qualifications, and premium geographic location.

Equal Employment Opportunity Statement

Siemens is an Equal Opportunity Employer encouraging inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.

EEO is the Law

Applicants and employees are protected from discrimination on the basis of race, color, religion, sex, national origin, or any characteristic protected by Federal or other applicable law.

Reasonable Accommodations

If you require a reasonable accommodation in completing a job application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please fill out the accommodations form by clicking on this link Accommodationfor disability form. If you're unable to complete the form, you can reach out to our AskHR team for support at 1-866-743-6367. Please note our AskHR representatives do not have visibility of application or interview status.

Criminal History

Qualified applications with arrest or conviction records will be considered for employment in accordance with applicable local and state laws.

Chantilly, Virginia, United States of America