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Honeywell International · Korea, Republic of

# Field Service Engr II

Korea, Republic of On-site 

Listed on Honeywell International’s official careers site. Posted September 17, 2026. Check that it is still open and apply there.
[Apply on Honeywell International’s careers site →](https://ibqbjb.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/156722)

[OpenNash Jobs](https://jobs.opennash.com/) / [Honeywell International](https://jobs.opennash.com/companies/honeywell-international/) / Field Service Engr II

## Job description

The Field Service Engineer is responsible for PLC maintenance, root cause analysis, and troubleshooting of automation equipment. The ideal candidate should have at least three years of experience with PLCs or automation systems and hands-on experience with Siemens and Rockwell platforms.

## Responsibilities

PLC Program Maintenance Monitor and maintain PLC programs. Analyze and modify PLC logic as required. Perform root cause analysis and resolve equipment failures and operational issues. Equipment Support Perform I/O checks and troubleshooting. Inspect and maintain sensors and actuators. Support new equipment setup and commissioning activities. Conduct preventive maintenance (PM) and equipment improvement projects. Industrial Network Inspect and troubleshoot communication between PLCs, HMIs, and Remote I/O systems.

Manage and maintain Industrial Ethernet networks. Respond to and resolve network issues related to PROFINET and EtherNet/IP.

### Required Technical Skills

Ability to analyze and modify Ladder Logic programs. Proficiency in PLC online monitoring and troubleshooting. Strong equipment troubleshooting skills.

## Qualifications

PLC Experience Experience with both Siemens and Rockwell PLC systems. Industrial Networking PROFINET EtherNet/IP Modbus TCP

### Core Competencies

Excellent analytical and logical thinking abilities. Strong field service and on-site response capabilities.

### Minimum Qualifications

Minimum of 3 years of experience with PLCs or industrial automation systems. Hands-on experience with Siemens and Rockwell PLC platforms.

## At a glance
- Posted by the employer: Sep 17, 2026
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 31 days
- Location: Korea, Republic of
- Work arrangement: On-site[Apply on Honeywell International’s careers site →](https://ibqbjb.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/156722)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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