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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure Engineer III in Jacksonville - **Company:** Energy Jobline - **Location:** Jacksonville, FL, United States - **Experience:** Expert - **Salary:** $122,000.0 - $129,000.0 - **Contract:** Permanent contract - **Skills:** Antivirus Softwares, Microsoft Azure, VoIP, System Configuration, Data Centers, Disaster Recovery, Domain Name System (DNS), Instant Messaging Technology, Internet Services, Intrusion Detection Systems, Virtual Private Networks (VPN), Local Area Networks, Microsoft Office, Network Architecture, Network Protocols, Private Branch Exchange (PBX), Wide Area Networks, Network Routers, Cloud-native Network Functions (CNF), Computer Network Technologies, Firewalls (Computer Science), Information Technology - **Published:** July 7, 2026 - **Apply:** https://www.energyjobline.com/job/infrastructure-engineer-iii-jacksonville-31073681 ## About the Role We are seeking an experienced Infrastructure Engineer III to join our team. As an Infrastructure Engineer III, you will play a crucial role in the design, implementation, and maintenance of our IT infrastructure. The ideal candidate will possess in-depth knowledge of Azure cloud services, networking protocols, and security best practices, and will have a proven track record of successfully managing and optimizing IT infrastructure., * Bachelor's degree in Computer Science, Engineering, or related field (or equivalent combination of education and experience). * 7 years of experience in infrastructure engineering or related roles. * Prior knowledge of system and network infrastructure design with a broad range of server and networking technologies. * Experience in managing technology infrastructure, cloud networks and data centers. * Experience with multi-tenant/multi-site environments. * Advanced experience in Microsoft Office 365 and Azure. * LAN (Local Area Network), WAN (Wide Area Network), VoIP (Voice over Internet Protocol) and Internet infrastructure design and implementation. * Configuring security devices, firewalls, routers, and intrusion detection systems. ## Description * Make recommendations and proactively monitor the environment's architecture and network technologies for capacity, throughput, performance, reliability/stability, and general operation of the technology. * Implement integrated network architecture for new computer systems and physical infrastructure by installing, configuring, and maintaining firewalls, routers, switches, LAN/WAN/Wireless internet and networks, Internet Service Providers, DNS, security certificates, antivirus/antimalware, VPN access and connectivity, advanced threat protection and remediating security vulnerabilities to provide a secure and reliable network infrastructure. * Architect, implement, and manage VoIP and telecommunications systems including video conferencing, PBX, instant messaging, call center, and other related services. * Participate in on-call rotation and provide escalated support in areas of network, security and communications. * Document the efforts of IT infrastructure disaster recovery scenarios, as it relates to system recovery, internet outages, and complete network disaster recovery scenarios, meeting requirements of Corporate One and regulatory agencies, especially in the context of designing these solutions. ## Related Videos - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [The Sustainability Race: AI's Promises, Pitfalls and Potential](https://www.wearedevelopers.com/videos/100155-the-sustainability-race-ai-s-promises-pitfalls-and-potential) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Modern Web Development with Nuxt3](https://www.wearedevelopers.com/videos/294-modern-web-development-with-nuxt3) - [Azure-Well Architected Framework - designing mission critical workloads in practice](https://www.wearedevelopers.com/videos/1529-azure-well-architected-framework-designing-mission-critical-workloads-in-practice) - [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 - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)