Principal Wireless Network Engineer

We are seeking a seasoned technical professional to provide Level 3 support for FDA-approved software and wireless medical devices operating within customer-managed networks. This role also delivers critical infrastructure support to global R&D and Service Center teams, ensuring robust performance and security across environments.

Wireless Network Support

• Configure, deploy, and troubleshoot enterprise wireless network controllers and access points (preferably Cisco).
• Deploy new wireless controllers and SSIDs using varied encryption and authentication protocols (ISM 2.4GHz, 5.2GHz, 6GHz).
• Resolve client network connectivity issues related to device settings, environmental factors, or system configurations.
• Manage RADIUS servers and 802.1x authentication methods (EAP-PEAP, EAP-TLS, EAP-TTLS, EAP-FAST).
• Understand and apply 802.11 standards, channel usage, and identify common wireless interference sources.

Network Infrastructure

• Install, configure, and maintain Cisco Catalyst routers and switches using IPv4 and IPv6.
• Perform wired and wireless traffic captures and analysis using tools like AirMagnet and Wireshark.
• Configure firewalls, establish and troubleshoot site-to-site VPNs, and manage network ACLs.

Security & Certificates

• Create and manage x.509 certificates and keystores.
• Convert certificates between formats (e.g., PKCS#12 to PEM) as required.

Cisco ISE Administration

• Add/remove devices and manage AAA profiles for network authentication.
• Diagnose and resolve device authentication/authorization issues.

Virtualization & Server Management

• Install and manage hypervisors (VMware ESXi, Hyper-V, or equivalent).
• Deploy and maintain virtual machines and templates.
• Build and support Windows Server (2016+) and Linux environments.
• Install and manage Microsoft SQL Server instances for application support.

• Bachelor's degree from an accredited institution (required)
• Relevant certifications such as MCSE, CWNA, CCNA, or CCIE (preferred)
• Minimum 10 years of professional IT experience across listed domains

• Wireless Network Controllers (Cisco or Aruba): 8+ years
• Cisco Identity Services Engine (ISE) or Aruba ClearPass: 8+ years
• Enterprise Firewalls (ASA, Palo Alto, SRX): 5+ years
• Site-to-Site VPNs: 5+ years
• Cisco Catalyst Switches & VLAN Management: 5+ years
• Wireshark or Equivalent Packet Analysis Tools: 5+ years
• Support for Embedded Wireless Clients: 5+ years
• Microsoft Windows Server (2016+): 5+ years
• Microsoft SQL Server (2016+): 5+ years
• Virtual Host Management (VMware, Hyper-V): 5+ years
• Support of Wireless Medical Devices: 5+ years

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including health, an incentive and recognition program, and 401K contribution (all benefits are based on eligibility).

This posting is open for thirty (30) days.


Qualified applicants in San Francisco with criminal histories will be considered for employment in accordance with the San Francisco Fair Chance Ordinance.



Qualified applicants in the unincorporated areas of Los Angeles County with criminal histories will be considered for employment in accordance with the Los Angeles County's Fair Chance Ordinance for Employers.



We will consider for employment all qualified Applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.