Sr. Telecomm Network Administrator

Overview
An established global provider of wireless communications and mission-critical infrastructure solutions is expanding its North American operations due to continued growth and the deployment of new hardware, software, and applications. To support this growth, the organization is seeking a Senior Network Administrator to join its operations team and support large-scale deployments and production environments.
This individual will play a key role in supporting network operations, systems administration, and infrastructure management within a 24/7/365 operational environment. The position will focus heavily on supporting new platform deployments and service go-lives while ensuring network performance, reliability, security, and scalability.
Position Summary
The Senior Network Administrator will serve as a Tier 3 escalation resource and provide advanced support for enterprise and telecommunications network infrastructure. This position combines network administration, systems administration, monitoring, troubleshooting, security, and Dev Ops-focused automation.
The ideal candidate will have strong experience in Network Operations Center (NOC) environments, supporting internet service providers, telecommunications networks, or other mission-critical infrastructure environments.
Key Responsibilities

Network Operations & Support

• Provide Tier 3 technical support within a 24/7/365 operations environment.
• Respond to, troubleshoot, escalate, and resolve incidents in accordance with established service-level agreements (SLAs).
• Serve as a primary escalation point for complex networking and infrastructure issues.
• Proactively monitor network, server, and cloud environments to identify and resolve issues before they impact operations.
• Assess system performance and recommend improvements and optimizations.

Infrastructure Administration

• Design, optimize, implement, and maintain network infrastructure across multiple office locations and cloud environments.
• Deploy, maintain, and troubleshoot routers, switches, firewalls, virtualized systems, and supporting infrastructure.
• Maintain user accounts, access controls, and software licensing.
• Administer Linux-based systems and enterprise server environments.
• Plan and execute system upgrades, patches, and security hardening activities.

Dev Ops & Automation

• Support infrastructure-as-code initiatives and automation efforts.
• Develop repeatable operational processes and automated workflows.
• Utilize Git-based workflows and automated deployment methodologies.
• Support software testing, deployment, and release management activities.

Security & Compliance

• Ensure infrastructure adheres to security, compliance, and operational standards.
• Conduct system audits and maintain accurate asset inventories.
• Support cybersecurity best practices and vulnerability remediation efforts.
• Manage VPN configurations, firewall policies, and secure access controls.

Documentation & Collaboration

• Create and maintain standard operating procedures (SOPs), knowledge articles, incident reports, and post-mortem documentation.
• Maintain detailed documentation of infrastructure, system configurations, processes, and policies.
• Collaborate with network engineers, developers, operations teams, and business stakeholders.
• Provide technical guidance and mentorship to junior team members.

Required Qualifications

Experience

• 5+ years of Senior-level experience in network administration and/or systems administration.
• Experience in a NOC environment supporting telecommunications, ISP, or other mission-critical infrastructure environments.
• Strong experience troubleshooting complex issues involving routers, switches, firewalls, and network services.
• Experience with virtualized server environments and enterprise infrastructure management.
• Experience supporting customer-facing environments and managing escalations.

Education

• Bachelor's degree in Information Technology, Computer Science, Telecommunications, or a related field preferred.
• Relevant professional experience may be considered in lieu of a degree.

Certifications (Preferred)

• Professional networking certifications (Juniper, Cisco, or equivalent).
• Red Hat certifications.
• Cloud certifications.
• Cybersecurity certifications.

Technical Requirements

Routing & Switching

Strong experience with:

• MPLS
• BGP
• OSPF
• EIGRP
• RIP
• Multicast
• VLANs
• Inter-VLAN Routing
• Spanning Tree Protocol
• BFD
• VXLAN
• EVPN
• IS-IS
• VRRP

Security & VPN Technologies

• IPSec VPN
• SSL VPN
• Advanced firewall administration
• Network security best practices

Systems Administration

• Linux administration (Red Hat preferred)
• System installation, configuration, hardening, patching, and maintenance
• Storage and file system management including:
  • LVM
  • RAW
  • XFS
  • EXT4
  • BTRFS

Monitoring & Observability

Experience with :

• Grafana
• Prometheus
• Elasticsearch
• Infrastructure monitoring and alerting platforms

Virtualization & Cloud

• Virtualized server deployment and management
• Cloud-hosted infrastructure
• Container platform experience preferred (Open Shift highly desired)

Dev Ops

• Git-based workflows
• Automated deployment processes
• Infrastructure…