Senior Infrastructure Engineer
On-siteSpringdale, Arkansas, United States
Job Summary
Design and maintain multi-site wired and wireless infrastructure using Ruckus Networks, Fortinet firewalls, and core network services including routing, switching, and DNS. Own the architecture and security of Microsoft 365, Active Directory, and Windows Server environments while providing technical leadership and escalation support to Technical Support Analysts. Troubleshoot complex issues, implement security standards, automate tasks with PowerShell, and lead infrastructure upgrades and migrations. Serve as the highest level of technical escalation for critical incidents. Occasional hands-on work at company locations and some out-of-hours maintenance may be required.
Required Qualifications
- 5+ years of professional experience in network engineering, systems engineering, infrastructure engineering, or a comparable role
- Strong hands-on experience with Fortinet/FortiGate firewalls and Ruckus Networks switching and wireless infrastructure
- Strong networking fundamentals including TCP/IP, subnetting, VLANs, routing, switching, DNS, DHCP, NAT, VPNs, and firewall technologies
- Strong working knowledge of Microsoft 365, Active Directory, Group Policy, Microsoft Entra ID, and Windows Server
- Experience designing and supporting identity security controls such as MFA and Conditional Access
- Strong understanding of cybersecurity fundamentals including segmentation, least privilege, system hardening, vulnerability management, and secure administrative practices
- Strong troubleshooting skills across networking, systems, identity, and cloud services, with the ability to take ownership through resolution
- Strong communication and technical documentation skills, including the ability to provide technical guidance to support staff
- Occasional hands-on work at company locations will be required when necessary
- Some work outside normal business hours may occasionally be required for planned maintenance, deployments, infrastructure upgrades, or critical incidents
Desired Qualifications
- Fortinet Certified Professional (FCP) or other current Fortinet certification
- Current Ruckus/CommScope networking or wireless certification
- Microsoft certification related to Microsoft 365, Entra ID, Azure, or Endpoint Administration
- Cisco CCNA or higher-level networking certification
- CompTIA Security+ or equivalent security certification
- Experience with Microsoft Intune, PowerShell automation, VMware/Hyper-V, EDR, SIEM, vulnerability management, enterprise backup/disaster recovery, or infrastructure monitoring
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