Distributed Control System Engineer

Manager of IT Recruiting at London Approach

We are seeking an experienced IT/OT Architect to bridge enterprise IT systems with industrial OT environments. This role is responsible for designing, securing, and supporting integrated architectures across industrial control systems (ICS) and corporate IT infrastructure
. The ideal candidate brings hands‑on experience with Emerson DeltaV or comparable DCS/PLC platforms, along with a strong foundation in enterprise networking, virtualization, and cybersecurity.

This is a hands‑on architecture role
, not purely advisory, and requires close collaboration with engineering, operations, cybersecurity, and IT infrastructure teams.

$/yr – $/yr

• Architect and support OT environments including Emerson DeltaV or equivalent DCS/PLC platforms such as Rockwell, Siemens, or Honeywell.
• Design and maintain secure, reliable ICS architectures aligned with production and operational requirements.
• Support plant‑floor networking, control system segmentation, and OT system lifecycle management.
• Partner with controls engineers and operations teams to modernize and standardize OT platforms.
• Design and support enterprise IT infrastructure, including:
  • Network architecture (LAN/WAN, firewalls, VLANs, routing)
  • Server and virtualization platforms (VMware, Hyper‑V)
  • Windows/Linux servers and Active Directory environments
  • Integration of OT systems with enterprise IT, data historians, and business applications
  • High availability, disaster recovery, and system resilience across IT/OT environments

• Implement IT/OT security best practices including network segmentation, access control, and monitoring.
• Collaborate with cybersecurity teams on risk assessments, incident response, and remediation.
• Ensure compliance with industry standards such as NIST, ISA/IEC 62443 and internal security policies.

• Develop IT/OT architecture standards, documentation, and roadmaps.
• Evaluate and recommend new technologies to improve reliability, security, and scalability.
• Serve as a technical advisor for IT/OT convergence initiatives and capital projects.

• 5+ years of experience in IT infrastructure, OT systems, or IT/OT architecture
  .
• Hands‑on experience with Emerson DeltaV or comparable industrial control systems.
• Strong enterprise IT background, including networking fundamentals and security; virtualization and server infrastructure; understanding of IT/OT cybersecurity principles and frameworks.
• Ability to work onsite in Collegeville, PA (local candidates only).

• Experience in regulated or industrial environments (manufacturing, pharma, chemical, utilities).
• Familiarity with historians (OSIsoft PI or similar), industrial Ethernet and fieldbus protocols, cloud or hybrid architectures supporting OT data.
• Certifications such as CISSP, CCNA/CCNP, VMware or IC‑focused security certifications.

• High‑impact role at the intersection of IT infrastructure and industrial automation
  .
• Opportunity to shape long‑term IT/OT architecture strategy.
• Competitive salary up to $150,000 plus comprehensive benefits.
• Stable, onsite environment with close collaboration across engineering and IT teams.

• Mid‑Senior level

• Full‑time

• Engineering and Information Technology
• IT Services and IT Consulting, Engineering Services, and Robotics Engineering

• Medical insurance
• Vision insurance
• 401(k)

Referrals increase your chances of interviewing at London Approach by 2×.