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D-ploy

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

Ljubljana
Level
Mid

Not stated in the posting: salary, work type, visa.

Open. First seen 5 October 2026.

About the role

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.

D-ploy's standard text

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).
D-ploy's standard text

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

Is IT in your DNA?

What this role asks for

Particular to this role

Cybersecurity · Modbus

Rare in D-ploy's other 51 open postings.

80% of this description is written for the role. The rest is D-ploy's standard text, folded away below.

Read against D-ploy's other open postings on this site.

The team: DPI HIRES STEADILY

This role is one of 3 open in DPI. 1 was posted in the last 30 days and the oldest in May: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Cybersecurity (1 of 3), Modbus (1 of 3)

OTHER ROLES ON THIS TEAM

From the team and dates on D-ploy's own job board.

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