Onsite Support Engineer-OSS

Iron Systems, Inc; Tampere; On-site; EUR 52,000 - 72,000; Full time

Job summary

Iron Systems, Inc. is seeking an OSS Engineer to deliver onsite End User Services, workplace support, and production-site IT/OT support for stable and secure operations.

You will serve as the local IT representative on client sites, supporting end-user devices, production workstations, and IoT/OT equipment, while coordinating with multiple teams. The role requires strong Windows/AD administration, Microsoft 365, ITSM experience, and a hands-on approach to asset management, incident handling, and

Qualifications

• 3–8 years in End User Support / OSS
• Experience with manufacturing/industrial environments preferred
• Proven ability to support on-site IT/OT and coordinate with multiple teams

Responsibilities

• Be the primary onsite IT contact for business users and production teams
• Provide deskside support for Windows workstations, laptops, and mobile devices
• IMACD user devices and peripherals
• Support Microsoft 365 applications and Office productivity
• Manage hardware lifecycle, asset tracking, and inventory
• Participate in major incident resolution and continuity activities
• Coordinate with Service Desk, Infrastructure, Workplace, Security, and Applications teams
• Escort external vendors and supervise onsite activities
• Ensure compliance with IT policies, procedures, and safety requirements

Skills

Windows admin

Microsoft 365 apps

Active Directory

Hardware lifecycle

Networking fundamentals

Printing technologies

Production/OT knowledge

ITIL/ITSM processes

On-call support

Vendor coordination

Tools

ITSM Tools (ServiceNow, Remedy)

Job description

JD Summary

The OSS Engineer is responsible for delivering onsite End User Services (EUS), workplace support, and production-site IT/OT support services to ensure stable, secure, and uninterrupted business and manufacturing operations. The role acts as the local IT representative on Client site, providing hands-on support for end-user devices, production-related workstations, IoT/OT-connected equipment, and coordination with infrastructure, application, automation, and third-party vendor teams.

Key Responsibilities

OSS / Onsite Support Services:

• Act as the primary onsite IT contact for business users and production teams.
• Provide physical touch support for IT infrastructure and workplace technologies.
• Provide deskside support for Windows workstations, laptops, mobile devices, and tablets.
• Install, Move, Add, Change, and Decommission (IMACD) user devices and peripherals.
• Support Microsoft Office and standard corporate applications.
• Manage hardware lifecycle activities, asset tracking, and inventory management.
• Participate in major incident resolution and business continuity activities.
• Coordinate with Service Desk, Infrastructure, Workplace, Security, and Application teams.
• Support field services, vendor escorting, hardware installations, and cabling activities.
• Ensure compliance with Client IT policies, operational procedures, and safety requirements.

IT/OT & IoT Support:

• Provide first-line support for production-related workstations and manufacturing systems.
• Support local manufacturing applications, MES environments, and related interfaces.
• Assist automation vendors and third-party partners during production system maintenance and troubleshooting.
• Perform physical inspection and basic troubleshooting of IoT devices, sensors, cameras, gateways, and edge devices.
• Verify power, cabling, connectivity, and network availability of IoT-enabled equipment.
• Support approved device replacement activities and maintain asset records.
• Assist with OT/IT integration activities while adhering to defined escalation processes.
• Provide hands-and-feet support for production-critical systems and connected manufacturing environments.
• Coordinate with OT, Automation, Network, Security, and Infrastructure teams for issue resolution.

Vendor & Stakeholder Management:

• Coordinate with automation vendors, application vendors, network providers, and third-party support teams.
• Escort and supervise external vendors during onsite activities.
• Ensure proper documentation, communication, and closure of vendor-related incidents and service requests.
• Maintain effective collaboration with business users and production stakeholders.

Required Technical Skills:

• Windows 10/11 Administration
• Microsoft 365 Applications
• Active Directory & User Administration
• Hardware and Asset Management
• Networking Fundamentals (LAN, VLAN, TCP/IP, VPN)
• Printing Technologies
• ITSM Tools (ServiceNow, Remedy, etc.)
• Knowledge of Production Environments and OT Operations
• Manufacturing IT Environment Exposure
• Incident, Problem, and Change Management Processes

Soft Skills:

• Strong troubleshooting and analytical abilities
• Excellent customer service orientation
• Ability to work independently in remote site locations
• Effective communication and stakeholder management
• Vendor coordination and teamwork
• Capability to work in on-call and business-critical support environments

Experience:

• 3–8 years of End User Support / OSS experience.
• Experience supporting manufacturing, industrial, or mill environments preferred.
• Experience in EUS, onsite support, and IT/OT integrated environments is highly desirable.

A valid driving license should be considered mandatory. Several support locations may require travel to nearby sites as part of service delivery activities. Given the limited availability of public transportation in certain locations, the ability to travel independently will be essential for supporting operational requirements effectively.