Senior Infrastructure Administrator, Network

Overview

We are seeking a highly skilled Senior Infrastructure Administrator, Network to design, implement, and support enterprise IT infrastructure across a complex, multi-site environment. This role will be responsible for ensuring network reliability, security, and scalability while supporting both on-premise and cloud-based systems.

Key Responsibilities

• Design and implement IT network infrastructure in alignment with established policies and standards, including servers, network equipment, and cloud solutions.


• Oversee and support Azure and AWS environments, ensuring optimal performance, scalability, and security.


• Manage interconnectivity between multiple sites and data centers to ensure seamless communication and data flow.


• Monitor and audit IT systems proactively to maintain high performance and security standards.


• Coordinate and execute regular patching cycles, troubleshoot infrastructure issues, and implement improvements as needed.


• Lead network security efforts, including routing, firewall configuration, and access control management.


• Respond to and coordinate resolution of network and security incidents, minimizing downtime and risk.


• Provide mentorship and guidance to junior IT infrastructure team members, supporting their development and success.


• Maintain and optimize existing network infrastructure to ensure reliability and performance.


• Install, configure, test, and document network components according to design specifications.


• Ensure adherence to IT infrastructure policies, procedures, and lifecycle management practices across systems, servers (virtual and physical), and service providers.

Required Qualifications

• Minimum of 6+ years of hands-on experience as a Network Engineer (or 12+ years of progressive experience).


• Strong expertise in enterprise network security solutions (e.g., Cisco, Fortinet, Palo Alto).


• Proven experience designing and managing enterprise wireless network solutions across multiple locations.


• Experience with infrastructure monitoring and logging tools for performance tracking and security analysis.


• Excellent communication and interpersonal skills, with the ability to collaborate across technical and non-technical teams.


• Strong problem-solving skills with the ability to clearly communicate issues and solutions.

Preferred Qualifications

• Bachelor's degree in Computer Science, MIS, CIS, or equivalent experience.


• Hands-on experience with cloud platforms (AWS and/or Azure), including deployment and optimization of cloud infrastructure.


• Relevant certifications such as CCNP, CCIE, or similar industry credentials.