Senior Global Network Administrator

pSemi Corporation is a Murata company driving semiconductor integration. pSemi builds on Peregrine Semiconductor’s 30-year legacy of technology advancements and strong IP portfolio but with a new mission—to enhance Murata’s world‑class capabilities with high‑performance semiconductors. With a strong foundation in RF integration, pSemi’s product portfolio now spans power management, connected sensors, optical transceivers, antenna tuning and RF frontends. These intelligent and efficient semiconductors enable advanced modules for smartphones, base stations, personal computers, electric vehicles, data centers, IoT devices and healthcare.

From headquarters in San Diego and offices around the world, pSemi’s team explores new ways to make electronics for the connected world smaller, thinner, faster and better.

Senior Systems Administrator develops and maintains systems, tools and networks in support of pSemi's enterprise environment. As an individual contributor, you will be expected to manage the network infrastructure including switches, routers and firewalls, maintain the latest firmware revisions and security patches in support of the pSemi enterprise network which spans the globe.

• The design, implementation, and maintenance of a geographically distributed network, including LAN, WAN, Wi‑Fi and SDWAN.
• In‑depth understanding and practical knowledge of networking (switching, routing, perimeter security, DNS, and DHCP).
• Ability to analyze and evaluate networks, identify issues and provide solutions to ensure networks are performing optimally.
• Ability to manage, monitor and troubleshoot a complex network environment.
• Ability to design, implement and troubleshoot network performance issues and the security infrastructure.
• Ability to communicate technical information to other technical team members and to those who may not have knowledge of network terminology.
• Ability to manage several projects simultaneously from design to implementation.
• Work closely with software vendors to resolve issues and drive new features and infrastructures.

• Typically requires 6 to 8 years of experience in network technology infrastructure, including support, design, implementation, and operations, depending on education level and experience.
• Experience configuring, maintaining, deploying and supporting networking hardware such as routers, switches, firewalls, Wi‑Fi APs.
• Comprehensive understanding of networking including L2/L3 protocols such as VLANs, STP/RSTP, TCP/IP, OSPF, BGP and EIGRP.
• Extensive knowledge of communication and routing protocols used within an enterprise environment.
• Extensive experience with a variety of network analysis, monitoring and alerting tools.
• Ability to troubleshoot, diagnose and resolve network performance issues, relating to routing and switching.
• Working knowledge of 802.1x radius authentication and Clear Pass or Raidus Authentication.
• Understanding of certificate or PKI infrastructure.
• Designing, writing and updating both system documentation and network diagrams.
• Configure network connections, in support of a large virtualization and storage infrastructure.
• Experience managing cloud environments such as AWS and Oracle Cloud is a plus.
• Excellent written and verbal communication skills and English proficiency.
• Strong leadership and team mentoring skills.
• Self‑motivated and team oriented.

• Experience managing Cisco / Aruba / Palo Alto Enterprise Networks with strong network operating systems experience (such as Cisco IOS, NX‑OS, ARUBAOS, PANOS).
• At least one certification in Cisco, Palo‑Alto, CompTIA Network+ or other networking technologies desired.
• Support of LAN, WAN, SDWAN, and VPN networks, in a VMWare, Net App environment running Microsoft Windows Server, Microsoft SQL Server, and Linux (CentOS, RHEL) business systems.
• Demonstrate mastery of TCP/IP switching and routing.
• Extensive knowledge of Ethernet cabling, multimode fiber optics, experience in a high‑density, high bandwidth environment (10GB, 25GB, and greater), fiber channel a plus.
• Proficient in the configuring and standing up Cisco Switches, Palo…