Job Title:Senior IT/OT Solution Architect - Manufacturing - Remote
Location: Fully remote - UK based
Salary/Rate: Market rates - inside IR35
Start Date: 10/08/2026
Job Type: Contract - 4 months
Company Introduction
We have an exciting opportunity now available with one of our sector-leading manufacturing clients! They are currently looking for an experienced IT/OT Solution Architect to join their team for a four-month contract.
Key Expertise:
- OT Assessments & Maturity Evaluations
- DCS Platforms (Honeywell, Emerson DeltaV, Siemens PCS7, ABB, Yokogawa)
- PHD/Process Historians (OSI PI, Aspen IP.21, AVEVA Historian)
- OPC DA/OPC UA Architecture & Integration
- ISA-95/Purdue Model Architecture
- MES/MOM Integration
- Industrial Networking & OT Cybersecurity
- IT/OT Convergence & Data Platforms
- OT Modernization & Digital Manufacturing
- Global Manufacturing Transformation Programmes
Job Responsibilities/Objectives
- You will be responsible for supporting Operational Technology (OT) assessments, architecture definition, solution design, and implementation programs across global manufacturing operations.
- The role requires extensive experience in industrial automation, digital manufacturing, and IT/OT convergence, with deep expertise in Distributed Control Systems (DCS), Process Historian Databases (PHD), OPC Servers (OPC DA/UA), industrial networks, and associated OT platforms.
- The individual will evaluate existing OT landscapes, identify capability gaps, define technology roadmaps, and design scalable architectures that support operational excellence, cybersecurity, and Industry 4.0 initiatives.
- This role serves as a trusted advisor to business and plant leadership, translating operational challenges into practical technology solutions that improve reliability, productivity, quality, and process performance. The candidate will lead end-to-end delivery of OT modernization programs, including system integration, historian strategies, data architectures, connectivity frameworks, and governance models.
- Deep understanding of ISA-95, Purdue Model architecture, industrial cybersecurity, and IT/OT integration principles is essential. The role requires collaboration with global stakeholders, OEMs, engineering teams, system integrators, and technology vendors to ensure successful deployment and adoption of OT solutions.
- Experience across process industries such as Pulp & Paper, Chemicals, Oil & Gas, Food & Beverage, and Mining, as well as discrete manufacturing sectors, is expected.
- The successful candidate will combine strong consulting, technical leadership, and programme management capabilities to drive sustainable digital transformation across multi-site manufacturing enterprises.
- The position involves significant engagement in global assessment, design, and implementation initiatives, ensuring standardized, secure, and future-ready OT ecosystems.
If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.
Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.