Plexus Corp. · 1 week ago
Senior Network Administrator
Neenah, WI
Full-time
Onsite
Senior Level
$85K/yr - $128K/yr
5+ years expPlexus Corp. is committed to creating transformative products that build a better world. The Senior Network Administrator will provide technical support to the global user community, ensuring that systems, networks, and technologies function effectively to support business processes, while collaborating with IT personnel and vendors on technology projects.
AutomotiveBusiness DevelopmentElectronicsEnterprise ApplicationsManufacturingSupply Chain Management
Responsibilities
System Maintenance: Follows established change management policy and procedure to research and recommend new technology, test and implement system updates, modifications, or deletions. Works to ensure systems remain healthy and available while delivering flawless execution to common, customized, and complex tasks as well as strategic projects
System Ownership: Own and maintain systems, networks, technologies, inventory, or processes that provide a solution to a business function of Plexus
Cisco Infrastructure: Expert-level support of high-complexity network solutions, specifically including Cisco Catalyst Switching (Cat9k), Cisco Wireless (WLCs/APs), Cisco Identity Services Engine (ISE), and Cisco Catalyst Center
Network Security (Firewalling): Manage and secure the network perimeter and internal segmentation using Palo Alto Next-Generation Firewalls (NGFW). Responsible for policy management, High Availability (HA) configuration, and VPN services via GlobalProtect
Availability & Security: Ensure the availability, integrity, security, and recoverability of Plexus data on a 24 x 7 x 365 basis. This includes ticket escalation and resolution; patch management (PAN-OS/IOS-XE); performance monitoring; resource capacity management; and upgrade execution
Resolution: Ensures user satisfaction by resolving complex operational issues regarding area of expertise or assignment, utilizing Plexus policies and/or procedures. Delivers permanent resolution and improves operating efficiencies through root cause analysis
Project Work: Partner and collaborate with members of global IT including project management, solution management, infrastructure, and Engineering Solutions to deploy high-complexity purchased or developed technologies that support business requirements
Design & Implementation: Lead the design and migration of network architecture utilizing Cisco Catalyst Center for automation and Palo Alto Panorama for centralized security management
User Support: Ensures user satisfaction by resolving common, customized, and complex operational issues regarding areas of expertise or assignment. Identifies permanent resolution through root cause analysis
Operations: Develop, enhance, and follow policies and procedures that are established to deploy, manage, and support systems which provide services to global, regional, or local Plexus personnel and/or customer needs
Qualification
Required
Expert-level support of high-complexity network solutions, specifically including Cisco Catalyst Switching (Cat9k), Cisco Wireless (WLCs/APs), Cisco Identity Services Engine (ISE), and Cisco Catalyst Center
Manage and secure the network perimeter and internal segmentation using Palo Alto Next-Generation Firewalls (NGFW). Responsible for policy management, High Availability (HA) configuration, and VPN services via GlobalProtect
Ensure the availability, integrity, security, and recoverability of Plexus data on a 24 x 7 x 365 basis. This includes ticket escalation and resolution; patch management (PAN-OS/IOS-XE); performance monitoring; resource capacity management; and upgrade execution
Ensures user satisfaction by resolving complex operational issues regarding area of expertise or assignment, utilizing Plexus policies and/or procedures. Delivers permanent resolution and improves operating efficiencies through root cause analysis
Partner and collaborate with members of global IT including project management, solution management, infrastructure, and Engineering Solutions to deploy high-complexity purchased or developed technologies that support business requirements
Lead the design and migration of network architecture utilizing Cisco Catalyst Center for automation and Palo Alto Panorama for centralized security management
Ensures user satisfaction by resolving common, customized, and complex operational issues regarding areas of expertise or assignment. Identifies permanent resolution through root cause analysis
Develop, enhance, and follow policies and procedures that are established to deploy, manage, and support systems which provide services to global, regional, or local Plexus personnel and/or customer needs
Deep knowledge of networking services, Layer 2/3 protocols (BGP, OSPF), and switching architecture (VLANs, STP, VSS/StackWise)
Proven expertise in configuring and troubleshooting Cisco Catalyst switches and Cisco Wireless environments (high-density RF design, Wi-Fi 6/6E, mobility groups)
Advanced administration of Palo Alto Firewalls, including App-ID, User-ID, and Content-ID
Experience with Panorama for centralized policy management and template stacks
Configuration of GlobalProtect for remote access VPNs and site-to-site VPN tunnels
Advanced administration of Cisco ISE (Policy Sets, TACACS+, RADIUS) and integration with Palo Alto firewalls for identity-aware security policies
Experience utilizing Cisco Catalyst Center for network inventory, SWIM (Software Image Management), and network assurance/health monitoring
Computer literacy in Google Workspace or Windows environment including but not limited to word processing, spreadsheets, flowcharting, and other software development, documentation, or project management tools needed to perform assignment
Maintain the confidentiality of all departments, company, and customer information while working safely at all times
The ability to support around-the-clock monitoring and management and may result in support or activities after normal business hours
Able to multi-task and remain organized while adapting to the needs of Plexus
Implement and provide guidance related to processes and security policies while incorporating security best practices in network design implementation
Preferred
Bachelor's Degree with 5 or more years of related experience is preferred. An equivalent combination of education and/or experience will be considered
Cisco: CCNP Enterprise (ENCOR/SISE)
Palo Alto: PCNSE (Network Security Engineer) or PCNSA (Network Security Administrator)
Benefits
Medical, dental, and vision insurance
Paid time off
Retirement savings
Opportunities for professional development
Company
Plexus Corp.
Since 1979, Plexus has been partnering with companies to create the products that build a better world.
10001+ employees
H1B Sponsorship
Plexus Corp. 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 (3)
2023 (1)
2022 (1)
2021 (5)
Funding
Current Stage
Public CompanyTotal Funding
unknownKey Investors
Apax Partners
2006-06-27Post Ipo Equity
1986-02-14IPO
Leadership Team
Todd Kelsey
President & Chief Executive Officer
Oliver Mihm
Chief Operating Officer
Recent News
2025-11-07
2025-10-23
2025-10-02
Company data provided by crunchbase