Senior Fiber Systems Administrator

Senior Systems Administrator

Role Summary Senior Systems Administrator supporting a fiber-based internet service provider. Fully remote position requiring a self-directed professional with telecom industry experience and hands-on technical depth across enterprise systems.

Core Responsibilities

• Administer and support OSS/BSS platforms in a fiber ISP environment, including day-to-day operations, troubleshooting, and system maintenance
• Support and maintain Microsoft Business Central, including AP workflows, user administration, and integration support
• Manage Active Directory, including user provisioning, group policy, and identity management
• Support data operations involving Snowflake data warehouse, including access management and basic query support
• Manage vendor relationships for key systems and platforms, serving as a primary technical point of contact for escalations, renewals, and issue resolution

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• Collaborate with the IS team on systems integrations, upgrades, and infrastructure projects
• Document systems configurations, processes, and procedures to maintain an accurate operational knowledge base

Required Qualifications

• 5+ years of hands-on systems administration experience
• Telecom industry experience, preferably with a fiber-based ISP
• Direct experience with an OSS/BSS platform (gaiia, Salesforce, NetCracker, or similar)
• Experience with Microsoft Business Central or comparable ERP system
• Working knowledge of Active Directory and identity management

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• Exposure to Snowflake or similar cloud data warehouse platforms
• Experience managing technology vendors, including escalations and contract/renewal coordination
• Ability to work independently in a fully remote environment with minimal supervision

Preferred Qualifications

• Experience specifically with gaiia or a comparable fiber ISP billing/OSS platform
• Microsoft Business Central certification or formal training
• Familiarity with Vetro or GIS-related systems
• Experience supporting AP automation or three-way match processes in an ERP
• Exposure to M365 administration