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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network & Infrastructure Systems Administrator - **Company:** AllSTEM Connections - **Location:** Ontario, CA, United States - **Experience:** Experienced - **Contract:** Temporary contract - **Skills:** Active Directory, VoIP, Computer Networks, Data Centers, Data Integrity, Dynamic Host Configuration Protocol, Domain Name System (DNS), H.323 Protocol, Network Topologies, IT Management, Network Architecture, Remote Access Technology, Service Pack, TCP/IP, Virtualization Technology, Wide Area Networks, Wi-Fi Technology, Network Routers, Internet Protocol Telephony, Network Access Control, System Availability - **Published:** June 24, 2026 - **Apply:** https://www.dice.com/job-detail/2ada5147-149f-49fb-b99a-dba324670827 ## About the Role Experience: Minimum of 3 years of relevant experience in network or systems administration. Networking Mastery: High proficiency in core protocols: TCP/IP, DNS, DHCP. Hands-on experience with switches, routers, and Network Access Control (NAC). Systems & Voice Expertise: Skilled in Active Directory, Virtualization, and Compute/Storage/Backup environments. Experience with VoIP, SIP, and enterprise-grade voice services. Operational Skills: Ability to implement and troubleshoot complex server and network infrastructure. Competency in creating professional network topology diagrams and technical runbooks. Attributes: Strong collaboration skills with the ability to present technical topics to both IT and business stakeholders; commitment to safe work practices and safety awareness. Equal Opportunity Employer / Disabled / Protected Veterans ## Description We are seeking a versatile Network & Infrastructure Systems Administrator to support the daily operations and long-term stability of our regional enterprise network. In this role, you will work alongside senior IT leadership to design, implement, and maintain a robust infrastructure spanning LAN/WAN, WiFi, and Data Center environments. You will be a key contributor to maintaining secure, high-uptime communications across all business units, handling everything from hardware hardening and patches to voice service integrations and virtualization support., Infrastructure Oversight: Assist in the design and ongoing maintenance of LAN, WAN, and WiFi systems. Oversee the daily operations of data center environments to ensure optimal performance and security. Network & Voice Services: Administer and troubleshoot voice protocols (SIP, H.323), VoIP systems, and integrated communication platforms. Manage PBX hardware and remote access solutions to ensure seamless connectivity. Security & Compliance: Assist with operating system hardening and the deployment of security patches for all network components. Help ensure site-wide compliance with internal security policies and industry regulatory standards. Technical Operations: Serve as a primary point of contact for troubleshooting network and storage equipment issues. Participate in an on-call rotation to support after-hours maintenance and urgent infrastructure interventions. Systems Administration: Support virtualization, Active Directory management, and enterprise backup/storage solutions to ensure data integrity and system availability. Project Support: Contribute to the planning and execution of capacity upgrades and infrastructure expansions. Create and maintain detailed topology diagrams and technical documentation for all system changes. Vendor Coordination: Assist in managing vendor relationships and service contracts to ensure technical support aligns with evolving business requirements. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [The Sustainability Race: AI's Promises, Pitfalls and Potential](https://www.wearedevelopers.com/videos/100155-the-sustainability-race-ai-s-promises-pitfalls-and-potential) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Building the Nervous System of AI - Michael Kagan (NVIDIA)](https://www.wearedevelopers.com/videos/2133-building-the-nervous-system-of-ai-michael-kagan-nvidia) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Top 6 Hackathons for Developers in 2023](https://www.wearedevelopers.com/magazine/263-top-6-hackathons-for-developers-in-2023) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)