job summary: Are you a seasoned network and systems engineer with a passion for ensuring the reliability and security of critical infrastructure? Do you thrive in complex environments where your expertise directly impacts the delivery of vital healthcare solutions? If so, this is an exceptional opportunity to join a dynamic team at a pioneering medical device company. Benefits: health insurance, dental and vision, life insurance, disability coverage, 401k, and paid time off location: San Diego, California job type: Permanent salary: $140,000 - 150,000 per year work hours: 8am to 5pm education: Bachelors responsibilities: Guardian of Connectivity: Configure, support, and expertly troubleshoot complex enterprise wireless network controllers and access points (Cisco preferred), ensuring seamless and secure connectivity for critical medical devices.Wireless Architect: Design and implement new wireless network deployments, including the setup of new SSIDs with advanced encryption and authentication methods across various ISM radio bands (2.4, 5.2, and 6 GHz).Network Navigator: Diagnose and resolve intricate client network connectivity issues stemming from device misconfigurations, environmental factors, or system anomalies, ensuring uninterrupted device operation.Authentication Authority: Leverage deep knowledge of RADIUS servers to configure robust client/device profiling and 802.1x authentication, including EAP-PEAP, EAP-TLS, EAP-TTLS, and EAP-FAST protocols.Wireless Spectrum Expert: Apply a strong understanding of 802.11 standards to optimize channel utilization and effectively mitigate common sources of wireless interference.Infrastructure Backbone Support: Install, configure, and maintain Cisco Catalyst network routers and switches utilizing both IPv4 and IPv6 protocols, ensuring a stable and efficient internal network.Traffic Analyst: Capture and meticulously analyze both wired and over-the-air wireless network traffic using industry-standard tools like AirMagnet and Wireshark to identify and resolve performance bottlenecks and security vulnerabilities.Security Steward: Implement and manage network firewalls, secure site-to-site VPN tunnels, and granular network access control lists to safeguard sensitive data and ensure system integrity.Cryptography Competency: Create and manage x509 keystores and certificates, expertly converting certificates between various formats as needed to support secure communication protocols.Virtualization Virtuoso: Install, configure, and maintain virtualization platforms (VMWare ESXi, Hyper-V, or similar), manage hosts, and deploy/maintain virtual machines and templates.Platform Proficiency: Build and maintain Microsoft Windows Servers (in virtual environments) and deploy Linux-based operating systems as required.Database Dexterity: Install and configure Microsoft SQL Server to support various internal and external applications. #LI-AR2 qualifications: Demonstrated expertise (10+ years) in a Level 3 technical support role, ideally within a regulated environment.Bachelor's degree from an accredited college or university.Strong preference for candidates holding relevant certifications such as MSCE, CWNA, CCNA, or CCIE, or possessing equivalent practical experience.Deep, hands-on experience (8+ years preferred) with Cisco or Aruba Wireless Network Controllers, including ESSID management, AAA configuration, AP power and channel adjustments, and over-the-air capture.Extensive experience (8+ years preferred) with Cisco Identity Services Engine (ISE) or Aruba ClearPass, including device onboarding, AAA profile creation, and troubleshooting authentication/authorization issues.Proven ability (5+ years) in configuring, troubleshooting, and maintaining enterprise-grade firewalls (Cisco ASA, Palo Alto Networks, or Juniper SRX).Significant experience (5+ years) in establishing and maintaining secure site-to-site VPN tunnels and resolving connectivity challenges.Solid background (5+ years) in configuring and managing Cisco Catalyst network switches, including VLAN and subnet management (IPv4/IPv6), routing protocols, and ACL implementation.Proficiency (5+ years) in capturing and analyzing network traffic using tools like WireShark.Experience (5+ years) supporting wireless network clients, ideally including embedded systems.Hands-on experience (5+ years) with Microsoft Windows Server (2016 and newer) and Microsoft SQL Server (2016 and newer).Practical experience (5+ years) in virtual host management (VMWare ESXi, Hyper-V, or similar).Prior experience (5+ years) supporting wireless medical devices is a significant plus. skills: Proficiency in creating and managing x509v3 certificates and converting between various certificate formats. 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 HRsupport@randstadusa.com. 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: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (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.