Senior Network Fiber Manager

Join DayOne – Shaping the Future of Data Infrastructure

DayOne is a global leader in the development and operation of high-performance data centers. As one of the fastest-growing companies in the industry, we’ve built a robust presence across Asia and Europe — and we’re just getting started.

As we expand into new international markets, we’re looking for talented, driven individuals to join us on this exciting journey. This is more than a job — it’s an opportunity to be a key contributor to our dynamic team and help shape the future of global data infrastructure.

If you're passionate about innovation, technology, and growth, we invite you to be part of DayOne’s next chapter.

Responsibilities

Fiber Infrastructure Delivery & Customer Solutions

• Engage with colocation, hyperscale, and enterprise customers to understand fiber connectivity requirements and translate them into technical delivery solutions.
• Design, scope, and manage end-to-end fiber infrastructure projects across the data center campus, including inter-building, intra-hall, and meet-me room (MMR) connectivity.
• Coordinate with sales, pre-sales engineering, and project management teams to ensure accurate fiber solution proposals and delivery timelines.
• Oversee the procurement, installation, labeling, and testing of structured fiber cabling systems (single-mode and multi-mode, OS2, OM3/OM4/OM5).
• Manage third-party fiber installation vendors and contractors, ensuring compliance with data center standards and SLAs.
• Deliver customer cross-connects, dark fiber, and managed wavelength solutions in accordance with agreed specifications.

Fiber Operations Support & Maintenance

• Provide technical operational support for all installed fiber infrastructure, including troubleshooting, fault isolation, and restoration.
• Conduct and oversee Optical Time Domain Reflectometer (OTDR) testing, insertion loss measurements, and end-face inspections.
• Lead root cause analysis (RCA) for fiber-related incidents and implement corrective and preventive actions.
• Perform and manage scheduled preventive maintenance on fiber distribution frames (FDFs), patch panels, trunk cables, and associated passive infrastructure.
• Support capacity planning activities by maintaining accurate fiber inventory, port utilization tracking, and forecasting future fiber demand.

Governance, Documentation & Compliance

• Maintain comprehensive as-built documentation, fiber route maps, and cabling records to BICSI, TIA-568, and ISO/IEC 11801 standards.
• Enforce data center cabling standards, color-coding conventions, labeling policies, and change control procedures.
• Support internal and external audits related to physical layer infrastructure.
• Contribute to the development and review of fiber management policies, standard operating procedures (SOPs), and work instructions.

Stakeholder Management & Collaboration

• Act as the primary point of contact for customers, account managers, and operations teams on all fiber-related matters.
• Liaise with network engineering, power & cooling, security, and facilities teams to support integrated infrastructure projects.
• Provide regular status updates and executive-level reporting on fiber project delivery and operational health.
• Mentor and develop junior fiber technicians and operations staff.

DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey.