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IT​/OT Systems Engineer

Job in Buffalo Grove, Lake County, Illinois, 60089, USA
Listing for: Siemens
Full Time position
Listed on 2026-08-16
Job specializations:
  • IT/Tech
    Systems Engineer, IT Infrastructure, Cybersecurity, Network Engineer
Job Description & How to Apply Below
** Job Family:
** Finance

** Req :
** 515388

IT/OT Systems Engineer

Here at Siemens, we take pride in enabling sustainable progress through
technology. We do this by empowering customers through the combination of the
real and digital worlds - improving how we live, work, and move today and for
the next generation. We know a business thrives only when its people are
thriving. That is why we put our people first and support them as they grow in
new ways.

** Transform the everyday with us!*
* ** _This role is On-Site in Buffalo Grove, IL._*
* ** _It is a Technical Bridge Role - Factory,Manufacturing and Distribution Center IT_*
* We are looking for an IT/OT Systems Engineer to provide dedicated,
on-site technical depth for factory and distribution center operations. This
position will be based fully on-site at [LOCATION].  _In this peer-support role, you will bridge remote infrastructure engineering and floor-level operational needs. You will coordinate with the Senior Infrastructure Engineer and infrastructure team on standards,architecture, and managed systems while partnering with Factory IT Leads and production teams on day-to-day execution and site priorities. Factory IT Leadsretain ownership of factory-floor and distribution center IT priorities, andthe Senior Infrastructure Engineer retains ownership of infrastructurearchitecture and standards._

** You'llmake an impact by:*
* · Serve as
the on-site technical bridge between factory operations, Factory IT Leads, the
Senior Infrastructure Engineer, associate infrastructure engineers, central
managed services, and third-party machine vendors.

· Coordinate
network infrastructure provisioning and configuration performed by central
managed services, including switches, racking, cabling, and core network
configuration, while directly handling hands-on setup and support for endpoints
such as PCs.

· Maintain
accurate, current site-specific network architecture documentation and verify
alignment with infrastructure team standards.

· Lead
on-site execution of cybersecurity vulnerability remediation and compliance
actions, coordinating patching and remediation windows with production and
distribution center schedules.

· Maintain
IT/OT network segmentation by validating VLAN boundaries and firewall rules as
equipment, vendors, and segmentation requirements change.

· Manage
compensating controls for legacy or unpatchable floor equipment, including
monitoring, isolation, and documented exceptions.

· Maintain
accurate site asset inventories to support audits, compliance requirements, and
cyber insurance obligations.

· Administer
user access reviews and support privileged access management for site systems.

· Coordinate
with third-party machine vendors and managed service providers to confirm
security requirements before network connection.

· Gather
site-level evidence and documentation for audits and support deployment of
company-wide security initiatives, including multifactor authentication and
endpoint hardening, across factory systems.

· Lead
endpoint access and PC login administration for factory users.

· Act as the
local technical escalation point for diagnosing and resolving application
performance issues affecting production and distribution center operations.

· Administer
factory-specific applications and services, supporting the availability and
performance of production-critical systems.

· Lead
site-level data, analytics, and digital enablement initiatives, translating
factory-floor data needs into practical solutions.

·
Support Industrial Internet of Things, operational
technology communication protocols, edge computing, and cloud-connected
operational technology infrastructure that enable data-driven manufacturing and
operational excellence.

·
Work independently on-site while collaborating
closely with technical and operational stakeholders to align execution with
production priorities and infrastructure standards.

** You'llwin us over by having the following qualifications:*
* *
* Basic Qualifications:

*
* · Technical degree or a minimum of 3 years of hands-on IT infrastructure
experience.

·
Working knowledge of network fundamentals,
including VLANs, switching, and basic firewall concepts, sufficient to execute
against…
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