System architect

Job Posting Start Date 12-19-2025 Job Posting End Date 03-30-2026 Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a System Architect located in Buffalo Grove, IL.

Reporting to the Systems Architecture Manager, the System Architect with strong expertise in Manufacturing Execution Systems (MES) and enterprise system integration, who can also contribute to solution architecture decisions. This role combines strategic analysis, technical leadership, and hands-on design support, ensuring that our manufacturing systems are integrated using modern, scalable, and secure technologies. The ideal candidate will act as a bridge between business, IT, and architecture teams, influencing technology direction while ensuring business value.

What a typical day looks like:

• Engage with business stakeholders to capture and document functional and non-functional requirements.
• Translate business needs into detailed system specifications and integration requirements.
• Collaborate with solution architects to design integration patterns between MES and ERP, WMS, QMS, and other systems.
• Contribute to architecture discussions and ensure alignment with enterprise standards.
• Work with modern integration technologies (e.g., REST APIs, OPC UA, MQTT, Kafka, NiFi, RabbitMQ, Node Red).
• Support data flow design for real-time and batch process
• Partner with development teams to validate technical feasibility and ensure adherence to requirements.
• Define and execute test cases for system and integration validation
• Maintain clear documentation for requirements, design decisions, and integration flows.
• Ensure compliance with security, data integrity, and regulatory standards
• Identify opportunities to optimize MES processes and integration strategies.
• Stay updated on emerging technologies and recommend innovative solutions.

The experience we’re looking to add to our team:

• Bachelor’s degree in n Computer Science, Information Systems, or related field.
• 7+ years in Business Systems Analysis, Solution Design, or architect roles.
• Proven experience with MES Systems
• Strong background in system integration and enterprise architecture principles
• Proficiency in integration technologies (APIs, message brokers, event-driven architecture).
• Experience with Microservices Architecture
• Expertise with data modeling, SQL, and real-time data streaming
• Excellent communication and stakeholder management.
• Ability to influence technical decisions and mentor junior analysts.

#LI-EA1

EA42

SS26

AA01

CH12

MS14

CC11

What you'll receive for the great work you provide:

• Full range of medical, dental, and vision plans
• Life Insurance
• Short-term and Long-term Disability
• Matching 401(k) Contributions
• Vacation and Paid Sick Time
• Tuition Reimbursement

Pay Range (Applicable to Illinois) $105,100.00 USD - $144,500.00 USD Annual

Job Category

IT

Is Sponsorship Available?

No Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [email protected] and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).