Jenoptik is an international photonics group with representatives in over 80 countries. Optical technologies are the foundation of our business. We employ around 4,600 people worldwide.

Join our team and help to shape our future with lasting effect.

Senior / IT Support Engineer

Job ID:  4539
Location: 

Singapore, SG

Date:  Feb 16, 2026

Overview

We are seeking a skilled IT Support Engineer to provide first-level (L1) and second level (L2) support for our Windows, Linux, and Cisco environments. As a key technical liaison between global and regional offices, you will play a crucial role in ensuring the smooth operation of our office IT infrastructure. You will serve as the primary point of contact for end-users, providing timely and effective support, and escalating complex issues as needed. The ideal candidate will be user-friendly, possess excellent troubleshooting skills, and be able to communicate effectively with stakeholders at all levels.

Responsibilities

  1. Technical Support - Diagnose and resolve client reported issue including hardware, software, and networking issues quickly to minimize downtime.
  2. Network Management - Monitor, configure (basic), and maintain routers, switches, firewalls, and wireless access points. Ensure security and optimal performance.
  3. Incident Management - Prioritise and manage tickets in the corporate IT ticketing system, meeting SLA targets.
  4. System Administration - Assist L3 engineer with server and service administration , project and support .
  5. Documentation - Write and update network diagrams, SOPs, and troubleshooting guides for team knowledge sharing.
  6. User Training -Deliver training and guidance on IT tools, applications, and best practices to non‑technical users.
  7. Project Participation - Contribute to infrastructure upgrades, migrations, and new implementations, providing hands‑on technical expertise.
  8. Collaboration - Work closely with other IT team members and cross‑functional groups to ensure seamless technology integration.
  9. Ad‑hoc Tasks - Perform any additional technical duties as needed.

Requirement

  • Bachelor’s degree in Computer Science, IT, or a related computing field or equivalent work experience.
  • Minimum 5 years of IT support (Windows & Linux) in a corporate environment.
  • Microsoft 365, Virtual Server, Windows Client deployment, Enterprise IT Ticketing, Network essential like TCP/IP, Cisco Infoblox, Windows Servers
  • Advantage with any similar knowledge or certified in ITLA, Cisco related , or  CompTIA Network+
  • Excellent analytical skills; able to troubleshoot under pressure.
  • Clear verbal and written communication; can explain technical concepts to non‑technical users.
  • Works well in a collaborative, cross‑functional environment.

About Jenoptik

Jenoptik is a global technology group operating in the photonics market. Optical technologies are the core of our business. Our growth areas primarily include semiconductor technology, medical technology, metrology as well as smart mobility. Approximately 4,600 people worldwide work for the Jenoptik Group, which is headquartered in Jena, Germany. JENOPTIK AG is listed on the German Stock Exchange in Frankfurt and is traded on the SDax and TecDax. In fiscal year 2024, Jenoptik generated revenue of around 1.12 billion euros.

As the holding company and corporate center of the group, JENOPTIK AG, based in Jena, is responsible for strategic corporate management and key tasks corporate development, mergers and acquisitions, innovation, corporate real estate management, finance (controlling, accounting, treasury), taxes, internal audit, investor relations and sustainability, communications and marketing, human resources, legal and IP, and compliance and risk management. It further pools the central functions of IT and data security, purchasing, safety, quality, occupational health and safety, and environmental protection.

Have we made you interested in this position?

If so, we look forward to receiving your online application.

Should you need any further information, please do not hesitate to contact us.