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Jenoptik is an international photonics group with representatives in over 80 countries. Optical technologies are the foundation of our business. We employ around 4,000 people worldwide.

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

Senior / IT Support Specialist

Job ID:  4539
Location: 

Singapore, SG

Date:  Nov 21, 2025

Overview

We are looking for a skilled Senior /  IT Support Specialist who can provide first‑ and second‑level support (L1‑L2) for both Windows Client and Linux Server platforms. You will be the key technical link between our headquarters and regional offices, keeping the IT infrastructure running smoothly, helping end‑users, and maintaining network performance.

Responsibilities

  1. Technical Support - Diagnose and resolve hardware, software, and networking issues quickly to minimise 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 HQ with server and service administration (Windows & Linux).
  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
  • CCNA, CompTIA Network+, or similar certifications are an advantage.
  • 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

At Jenoptik, people with the specific JENIUS character are changing the world with the power of light. That demands a spirit of exploration and dedication. If you’re one of us, come meet the challenges facing the world. At Jenoptik, we’re creating a better future for all of us.

As the holding company and corporate center of the group, JENOPTIK AG, based in Jena, performs top-level functions for strategic corporate management as well as the central functions IT, human resources, purchasing, legal, communications & marketing, security, work and health protection, environmental protection and real estate management.

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.

Apply now »