Air Wisconsin Airlines · 6 hours ago
Sr. Infrastructure Engineer
Appleton, Wisconsin, United States
Full-time
Onsite
Senior Level, Lead/Staff
10+ years expAir Wisconsin Airlines is seeking a Senior Infrastructure Engineer responsible for designing, implementing, and maintaining enterprise systems and network infrastructure. The role requires advanced expertise in server administration, virtualization, storage, and networking, as well as managing the organization's cyber security posture.
AerospaceTravel
Responsibilities
Design, configure, and maintain LAN/WAN infrastructure, including routers, switches, and firewalls
Implement and manage VPNs, VLANs, QoS, and network segmentation
Monitor network performance and troubleshoot connectivity issues
Maintain network security through Palo Alto firewall policies, intrusion prevention, and access controls
Support VoIP systems and network-based services
Implement, maintain, and improve security configurations across firewalls, servers, endpoints, VPNs, and cloud services
Lead response to cybersecurity incidents, coordinate cross‑functional teams, communicate impacts, and ensure post‑incident reviews
Manage identity and access security (MFA, conditional access, privileged access)
Work with cybersecurity 3rd party security vendor to apply best practices
Assist in vulnerability assessments and remediation
Maintain compliance with TSA Cyber policies and internal IT standards
Lead annual TSA Cyber audits
Design, deploy, and maintain Windows Server environments, Active Directory, and Group Policy
Assist with managing virtualization platforms (VMware ESXi, vCenter) and storage systems (SAN/NAS)
Oversee backup and disaster recovery solutions
Administer Microsoft 365, Exchange, and enterprise applications
Ensure compliance with Windows security standards and patch management
Lead infrastructure upgrade projects (e.g., VMware, Windows, network refresh)
Provide technical guidance and mentorship to junior staff
Document architecture, configurations, and operational procedures
Provide senior-level guidance to IT teams across network, systems, and security disciplines
Act as final escalation point for critical incidents affecting networking or system infrastructure
Serve as the technical contact for ATT&T, Comcast, and TDS services
Participate in on-call rotation for critical systems and network support
Qualification
Required
10+ years of experience in advanced systems engineering and networking
Advanced knowledge of firewall technologies and advanced security features
Expertise with Windows Server, Active Directory, DNS/DHCP, Group Policy, PowerShell
The VMware vSphere platform and its related virtualization environments
Windows Server, AD, DNS, DHCP, GPO, and identity platforms
Pure Storage platforms, SAN replication, and SRM DR technologies
Layer 2/3 networking, routing protocols (BGP, OSPF), VLANs, spanning tree
Proven experience leading infrastructure projects and implementing large-scale upgrades
Ability to manage complex outages, root cause investigations, and multi-team coordination
Company
Air Wisconsin Airlines
Air Wisconsin Airlines performs flying services for united airlines.
1001-5000 employees
H1B Sponsorship
Air Wisconsin Airlines has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (8)
2023 (4)
2022 (6)
2021 (2)
2020 (1)
Funding
Current Stage
Late StageLeadership Team
Rob Binns
President & CEO
Liam Mackay
Chief Financial Officer
Recent News
Seattle TechFlash
2025-09-10
2025-09-09
Company data provided by crunchbase