D-ploy

IT infrastructure services and management consulting

OT Business Application Engineer - Multiple Teams

Enterprise ApplicationsConfirmed live in the last 24 hours

Full-timeLjubljana, SloveniaNo salary listed

About the Job

Requirements

A bachelor's degree in an appropriate field of study or equivalent work experience is required.
Experience in a current Good Manufacturing Practice (cGMP) environment is essential.
Knowledge of Manufacturing Execution Systems (MES), OSI-PI, or general process control is essential.
A deep understanding of serialization and manufacturing processes is required.
Knowledge of process data interfaces such as OPC DA, A&E, UA, and Modbus is required.
Knowledge of Microsoft Office tools and automation is required.
Knowledge of programmable logic controllers (PLC), supervisory control and data acquisition (SCADA), hardware, and networking is required.
Understanding of information technology security and cybersecurity is required.
Ability to prioritize the criticality of support issues and act accordingly is required.
Candidates must be able to present a criminal record certificate issued within the past three months.
Fluency in Slovenian and English is required.

Responsibilities

Review and update software development lifecycle (SDLC) documentation for automation systems, including RS, SDS, HDS, and protocols.
Plan and test disaster recovery for operational technology (OT) systems.
Participate in the support services department's daily support rota.
Provide out-of-hours application support on call when required.
Report periodically on completed tasks and support provided.
Drive improvements and innovations across shopfloor applications, engaging regularly with client teams.
Provide operational support, maintenance, and monitoring for the Manufacturing Execution System (MES).
Provide first-line support for end users and technical service departments for MES.
Conduct periodic MES performance reviews in line with defined system procedures.
Update MES recipes.
Assist with project implementations and provide operational feedback to project teams for MES.
Coordinate site representation in hardware or application vendor/supplier support for MES.
Provide operational support, maintenance, and monitoring for the data historian.
Provide first-line support for end users and technical service departments for the data historian.
Conduct periodic data historian performance reviews in line with defined system procedures.
Troubleshoot data acquisition interfaces.
Provide on-demand data reports to facilitate quality investigations or process analytical technology (PAT) requests.
Assist with data historian project implementations and provide operational feedback to project teams.
Coordinate site representation in hardware or application vendor/supplier support for the data historian.
Provide serialization system operational support, maintenance, and monitoring.
Provide first-line serialization support for end users and technical service departments.
Conduct periodic serialization system performance reviews in line with defined system procedures.
Troubleshoot vision system performance.
Provide on-demand serialization data reports to facilitate quality investigations or PAT requests.
Assist with serialization project implementations and provide operational feedback to project teams.
Coordinate site representation in hardware or application vendor/supplier support for serialization systems.
Provide operational support, maintenance, and monitoring for various business applications.
Provide first-line support for end users and act as a super user.
Administer and own business applications.
Conduct periodic business application performance reviews in line with site-defined procedures.
Lead person in SDLC documentation, including HDS, URS, and FRS.
Coordinate site representation in hardware or application vendor/supplier support for business applications.

OT Business Application Engineer (MES-Serialization, Remote, English, Slovenian)

D-ploy · Ljubljana, Slovenia (Hybrid) · Full-time · Posted 2026-05-21

Workplace: hybrid

Department: DPI

Description

D-ploy is a leading IT and Engineering Solutions company with operations worldwide. Our mission is to deliver innovative and D-ploy is an IT and Engineering Solutions company with operations throughout the EMEA region including Switzerland, Germany, Czech Republic, Austria, UK, as well as the USA.

We pride ourselves on delivering innovative and superior services and solutions to numerous industry-leading clients. By building relationships and trusted partnerships within the IT community, we optimize our customer‘s IT productivity and contribute to the organization’s success and value.

We are interested in talking to engaging, flexible, and solution-oriented individuals who are looking to become a part of a dynamically growing and international organization. We are focused on creating value where IT counts, join us!

Responsibilities:

Review, and update SDLC documentation for automation systems (RS, SDS, HDS, Protocols, etc.).
Disaster Recovery Planning and testing for OT systems.
Join the daily support Rota for the support services department.
Out of hours On-call Application Support when required.
Periodic reporting of tasks complete and support provided.
Drive improvements and innovations across shopfloor applications engaging with Client teams on a regular basis.

Manufacturing Execution System (MES)

Manufacturing Execution System operational support, maintenance and monitoring.
First line support for end users and technical service departments.
Periodic performance review in line with the defined system procedures.
Recipe updates.
Assist in project implementations and provide operational feedback to project teams.
Act as coordinator site representative in hardware or application vendor/supplier support.

Data Historian

Data historian operational support, maintenance and monitoring.
First line support for end users and technical service departments.
Periodic performance review in line with the defined system procedures.
Troubleshooting of data acquisition interfaces.
Provide on demand data reports facilitating quality investigations or PAT requests.
Assist in project implementations and provide operational feedback to project teams.
Act as coordinator site representative in hardware or application vendor/supplier support.

Serialization Systems

Serialization operational support, maintenance and monitoring.
First line support for end users and technical service departments.
Periodic performance review in line with the defined system procedures.
Troubleshooting of vision system performance.
Provide on demand data reports facilitating quality investigations or PAT requests.
Assist in project implementations and provide operational feedback to project teams.
Act as coordinator site representative in hardware or application vendor/supplier support.

Business Applications

Various Business Application operational support, maintenance and monitoring.
First line support for end users, acting as a super user.
Application administration and ownership.
Periodic performance review in line with site defined procedures.
Lead person in SDLC documentation such as HDS, URS, FRS.
Act as coordinator site representative in hardware or application vendor/supplier support.

Requirements

Bachelor's degree in appropriate field of study or equivalent work experience.
Experience in a cGMP environment is essential.
MES/OSI-PI or General Process Control knowledge is essential.
Deep understanding of serialization and understanding of manufacturing processes.
Good knowledge of process data interfaces such as OPC DA, A&E, UA, Modbus.
Good knowledge of MS Office tools usage and automation.
Knowledge of PLC/SCADA, Hardware and Networking.
Understanding of IT Security/cybersecurity.
Ability to prioritize the criticality of support issues as they arise and act accordingly.
Excellent analytical and problem-solving skills.
Excellent communication and reporting attitude.
Handle and operate efficiently under pressure.
Fluency in Slovenian and English.
Candidates must be able to present a Criminal Record (not older than 3 months).

Benefits

Broad range of activities, tasks, and projects
Flexible working conditions
Vouchers (B-day voucher, wedding, and new born surprise)
Fishing for Friends program – our referral program
Refreshments in the D-ploy office
Further development and professional advancement
Friendly and international working environment
Company-sponsored events

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About the Company

D-ploy

IT infrastructure services and management consulting

D-ploy provides IT engineering and consulting services for global and regional customers, focusing on operational IT infrastructure, service management, program and project management, and quality management. It delivers both standard and tailored solutions to help clients achieve business goals, using established frameworks and certifications to ensure quality, reliability, and security. The company differentiates itself with a pragmatic, business‑oriented approach and long‑term partnerships, supported by a Europe/US cross‑regional footprint and a strong emphasis on customer needs. Its goal is to make IT an enabler of business value, improve work efficiency, and maintain compliant, dependable IT services while expanding expertise and geographic reach.

Company size: 201-500
Company stage: Not listed
Total funding: Not listed
Headquarters: Lörrach, Germany
Founded: 2007

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