IT/OT Systems Engineer

Siemens; Buffalo Grove (IL); On-site; USD 92,000 - 158,000; Full time

Job summary

Siemens in Buffalo Grove, IL is seeking an IT/OT Systems Engineer to provide on-site depth for factory and distribution center operations, bridging remote infrastructure engineering with floor-level needs. You will work with Factory IT Leads and the infrastructure team to meet production priorities, maintaining network segmentation, asset inventories, and security controls.

This role requires hands-on installation, troubleshooting, and collaboration with vendors to ensure production systems

Qualifications

• Technical degree or at least 3 years of hands-on IT infrastructure experience.
• Working knowledge of VLANs, switching, and firewall concepts.
• Experience supporting vulnerability remediation, patching, and compliance activities.
• Familiarity with IT/OT segmentation and production equipment environments.
• Experience troubleshooting infrastructure, endpoints, or applications on-site.
• Willing to work on-site and travel regionally as needed to support production schedules.
• Legally authorized to work in the United States without company sponsorship.

Responsibilities

• Serve as the on-site technical bridge between factory operations, Factory IT Leads, the Senior Infrastructure Engineer and the infrastructure team.
• Coordinate network provisioning and configuration performed by central managed services, including switches and core network setup, while handling on-site endpoints.
• Maintain site-specific network architecture documentation and verify alignment with standards.
• Lead on-site cybersecurity vulnerability remediation and compliance actions with production and distribution schedules.
• Maintain IT/OT network segmentation and firewall rule alignment as equipment and requirements change.
• Manage compensating controls for legacy floor equipment with monitoring and documented exceptions.
• Maintain accurate site asset inventories to support audits and cyber insurance obligations.
• Administer user access reviews and privileged access management for site systems.
• Coordinate with third-party machine vendors and MSPs to confirm security requirements before network connection.
• Gather site-level evidence for audits and support deployment of company-wide security initiatives.

Skills

IT infrastructure

Networking

Vulnerability remediation

IT/OT segmentation

On-site support

Travel readiness

US work authorization

Education

Technical degree

Job description

**Job Family:** Finance

**Req ID:** 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 infrastructureengineering and floor-level operational needs. You will coordinate with theSenior Infrastructure Engineer and infrastructure team on standards,architecture, and managed systems while partnering with Factory IT Leads andproduction 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:**

**BasicQualifications:**

• 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 architecture and standards established by the infrastructure team.
• Experience supporting vulnerability remediation,
  patching, and compliance activities.
• Familiarity with IT/OT segmentation concepts and
  experience working around production equipment and operating schedules.
• Experience troubleshooting infrastructure,
  endpoints, or applications as a technical escalation point in an on-site
  environment.
• Ability to work fully on-site and provide off-shift
  availability as needed to support production and distribution center schedules.
• Ability to travel regionally as required.
• Legally authorized to work in the United States on
  a continual and permanent basis without company sponsorship.

**PreferredQualifications:**

• Demonstrated
  IT infrastructure expertise within a manufacturing, industrial, plant,
  distribution center, or research and development environment.
• Proven
  ability to administer factory-specific or production-critical applications and
  services.
• Knowledge
  of network architecture documentation and site asset inventory management.
• Expertise
  in privileged access management, user access reviews, cybersecurity audits, or
  compensating controls for legacy equipment.
• Ability
  to coordinate technical work with managed service providers and third-party
  machine vendors.
• Knowledge
  of Industrial Internet of Things (IIoT), operational technology (OT)
  communication protocols, edge computing, data analytics, and cloud-connected OT
  infrastructure.

**AboutSiemens:**

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
and advanced healthcare, we create technology with purpose that adds real value
for customers. Learn more about Siemens at
https://www.siemens.com/global/en/company.html.

**OurCommitment 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.

#LI-JS

#LI-On-site

$92,320 $158,263

**Organization:** Information Technology

**Job Type:** Full-time

**Category:** Information Technology