> Markdown version of [/jobs/ext/4545993-network-systems-administrator](https://www.wearedevelopers.com/jobs/ext/4545993-network-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network & Systems Administrator - **Company:** BUSINESS CENTRIC TECHNOLOGIES LLC - **Location:** Dallas, TX, United States - **Experience:** Expert - **Salary:** $120,000 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Apache HTTP Server, Apache Tomcat, Software Applications, Microsoft Azure, Border Gateway Protocol, Cloud Computing, Computer Networks, Enhanced Interior Gateway Routing Protocol, Monitoring of Systems, Web Servers, Internet Information Services (IIS), Python (Programming Language), Network Security, Microsoft Office, System Center Configuration Manager, Windows Servers, Network Planning and Design, Network Monitoring, Routing, Open Shortest Path First (OSPF), Windows PowerShell, SQL Databases, VMware Infrastructure, Wide Area Networks, Wireless Networks, Dynamic Routing, System Availability, Firewalls (Computer Science), Information Technology, Cybercrime, Cisco Switches - **Published:** November 3, 2026 - **Apply:** https://www.thejobnetwork.com/job/d76febd2-68e5-4e88-9b15-4bfe21522afa/network-systems-administrator ## About the Role * Bachelor's degree in computer science, MIS, or equivalent training or work experience. * 7+ years of hands-on experience in network design, implementation, maintenance, and comprehensive documentation. * Proficiency in LAN, WAN, SD-WAN & wireless network administration, with expertise in Cisco switches, Palo Alto firewalls (or equivalent next-generation firewalls), and Meraki (MS, MR, and MX platforms). * Deep understanding of routing protocols, including OSPF, BGP, and EIGRP. * Strong scripting and automation skills using PowerShell, Python, or other relevant languages. * Experience with Office 365 Administration, Entra, Azure, SCCM, AWS, SQL administration, VMware infrastructure, Microsoft Windows Server, preferred. * Relevant industry certifications such as CCNA, CCNP, or equivalent cloud networking certifications are highly valued. * Experience with web server administration (IIS, Apache, Tomcat) is preferred. ## Description Our Dallas-based client is in search of a Senior Network & Systems Administrator to join their firm to design, implement, and maintain their LAN, WAN, SD-WAN, and wireless network infrastructure, optimizing for performance and reliability. This is an onsite, direct-hire role requiring a solid understanding of network security principles and practices., * Configure and manage Cisco switches, Palo Alto next-generation firewalls (or equivalent), and Meraki (MS, MR, MX) platforms. * Implement and troubleshoot dynamic routing protocols (OSPF, BGP, EIGRP) to ensure efficient and resilient network traffic flow. * Develop & maintain detailed network documentation, including diagrams, configurations & operational procedures. * Implement and enforce network security policies and procedures to protect against unauthorized access and cyber threats. * Monitor network security logs & events, analyze security incidents, and execute appropriate response protocols. * Manage the full lifecycle of operating systems and application software for networking and systems infrastructure, including installation, maintenance, patching, upgrades, and troubleshooting, to ensure optimal performance and security. * Perform daily system monitoring, verify system integrity and availability, review system and application logs, and ensure completion of scheduled jobs, including backups. * Serve as a senior escalation point, providing expert-level support for complex systems and networking issues. * Participate in an on-call rotation, after-hours maintenance, and incident response to ensure continuous network and systems availability. * Travel to company offices may be required for project or operational needs, estimated less than 5% annually.