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Jr. Network Administrator

Job in Irvine, Orange County, California, 92713, USA
Listing for: Tilly's Inc.
Full Time position
Listed on 2026-03-01
Job specializations:
  • IT/Tech
    Cybersecurity, IT Support, Cloud Computing, Systems Administrator
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

We are a leading specialty retailer of casual apparel, footwear and accessories for young men, young women, boys and girls with an extensive assortment of iconic global, emerging, and proprietary brands rooted in an active and social lifestyle. We are based out of sunny Southern California at the Tilly’s RSC. You’ll hear the term RSC a lot, it stands for Retail Support Center since our corporate offices are here to support our retail and online stores.

Working at Tillys allows you to experience a new style of work life. Our work culture is fun and relaxed. We encourage you to be you and that means you should be comfortable. Our employees enjoy a casual dress code and a fun, fast paced work environment where creative minds work together to achieve common goals. As a part of the team you’ll contribute towards and share in our success.

A career at Tillys is all about working together to make things happen… so what are you waiting for?

SUMMARY

The following is a brief description of responsibilities to be performed by the Jr. Network Administrator. Job responsibilities include, but are not limited to the following:

ESSENTIAL DUTIES AND RESPONSIBILITIES Infrastructure & Systems Management
  • Design, document, test, and maintain computer programs and automation workflows related to warehouse management systems (WMS), machine operating systems, and IoT devices in the distribution center
  • Support and optimize virtualized and containerized server environments, including VM provisioning, patch management, and cloud-hybrid infrastructure integration
  • Manage and maintain core infrastructure including wireless systems, edge computing devices, and network security appliances.
Operational Technology Support
  • Provide day-to-day support for distribution center operations, including barcode scanning equipment, mobile computers, automated label printers, RFID systems, and smart warehouse devices
  • Support integration between operational technology (OT) and information technology (IT) systems, ensuring seamless data flow and system reliability
  • Monitor automated material handling equipment connectivity and troubleshoot network-related issues
Identity & Access Management
  • Administer Microsoft 365/Azure AD (Entra ) environment, including user provisioning, DNS, DHCP, and hybrid identity services
  • Manage and maintain zero-trust security principles and multi-factor authentication (MFA) systems
  • Support identity governance and access reviews for compliance requirements
Monitoring, Security & Incident Response
  • Monitor environment health using modern observability tools, AI-powered analytics, and automated alerting systems
  • Provide incident response, problem resolution, and root cause analysis support
  • Assist in cybersecurity initiatives including endpoint detection and response (EDR), vulnerability management, and security awareness programs
  • Consult with stakeholders to determine hardware, software, and system requirements for business operations
  • Develop and maintain comprehensive documentation, standard operating procedures (SOPs), and knowledge base articles
  • Participate in IT projects supporting digital transformation and operational efficiency initiatives
QUALIFICATIONS
  • 5+ years of desktop and end-user support experience.
  • 5+ years of experience with Microsoft Active Directory and supporting services (DNS, DHCP).
  • Knowledge of networking technologies including Ethernet, TCP/IP, VLANs, wireless standards (Wi‑Fi 6/6E), and basic network security.
  • Familiarity with virtualization platforms (Hyper‑V, VMware, or similar) and cloud services (Azure, AWS, or similar)
  • Understanding of automation tools, scripting (Power Shell, Python, or similar), and modern IT service management (ITSM) platforms
  • Basic knowledge of cybersecurity principles and best practices
ADDITIONAL QUALIFICATIONS
  • Strong analytical and problem‑solving skills with attention to detail
  • Ability to work in a fast‑paced, 24/7 operational environment
  • Excellent communication and customer service skills
  • Ability to learn quickly and apply knowledge.
  • Ability to multitask and reprioritize projects frequently.
  • Ability to define problems, collect data, establish facts, and solve problems.
  • Experience with VMware…
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