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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** Design Systems, Inc. - **Location:** Jacksonville, FL, United States - **Experience:** Expert - **Salary:** $75,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Systems Engineering, Microsoft Azure, Microsoft Online Services, VoIP, Cloud Engineering, Complex Networks, CompTIA Security+, Cyber Security, Network Topologies, Networking Hardware, Network Security, Microsoft Office, Windows Servers, Network Architecture, Professional Services Automation, Security Software, Windows Desktop, Wireless Access Point, Wireless Application Protocol (WAP), Office365, Sonicwall, Firewalls (Computer Science), Fortinet, Network Server, SentinelOne Expertise, Cisco - **Published:** October 20, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9e4561827263d5bd ## About the Role * Advanced Problem-Solving: A proven track record of solving complex IT problems under pressure, demonstrating structured troubleshooting methodologies. * Adaptability & Growth Mindset: A strong desire and demonstrated ability to research, learn, and implement unfamiliar technologies independently and quickly. * Customer Service Excellence: Outstanding interpersonal skills with a proven track record of being highly responsive, empathetic, and attentive to customer needs. * Core Technical Experience: 3-5+ years of dedicated network, systems, and security engineering experience. * Cybersecurity Tools Proficiency: Practical experience administering enterprise security suites, specifically endpoint detection and response (EDR), managed detection and response (MDR), or extended detection and response (XDR) architectures (e.g., SentinelOne, CrowdStrike, Huntress). * Microsoft Ecosystem Proficiency: Proven hands-on experience managing and supporting Microsoft Azure, M365/O365, Windows Server (AD, Group Policy), and Windows Desktop (10/11). * Vendor Familiarity: Hands-on experience managing enterprise networking platforms such as Cisco, Fortinet (FortiGate), SonicWall, Ubiquiti (UniFi), Palo Alto, or Cisco Meraki. * Mobility & Screening: Clean driving record and reliable transportation for frequent local client visits. Successful candidates must pass a background check and drug test prior to employment. Preferred Certifications & Tools (MSP Tech Stack) * Prior MSP experience is highly preferred. * MSP Tech Stack Experience: Familiarity with professional services automation (PSA) and remote monitoring and management (RMM) tools (e.g., ConnectWise, Autotask, Kaseya, NinjaOne, Auvik, Domotz). * Microsoft Certifications or any industry certifications preferred (e.g., CompTIA Security+, CySA+). ## Description We are seeking a highly skilled, adaptable, and customer-focused Sr. Network/Systems Engineer to join our Managed Service Provider (MSP) team based in Jacksonville, FL. In this role, you will be responsible for designing, implementing, monitoring, and troubleshooting complex networks, systems, and security infrastructures for a diverse portfolio of clients. Unlike a traditional in-house IT role, an MSP Network Engineer must balance multiple client environments simultaneously, shifting smoothly from proactive solution architecture to diagnosing and resolving intricate, multi-layered computer problems. This position requires mostly work from our main office and traveling to local customer sites across the greater Jacksonville area. We place a premium on candidates who possess elite customer service skills, are highly responsive to client needs, have a passionate willingness to learn new technologies on the fly, and are eager to mentor and train junior IT staff., * Complex Troubleshooting: Act as a high-level technical investigator to diagnose, isolate, and resolve complex IT and network infrastructure issues, identifying root causes across hardware, operating systems, and cloud dependencies. * Customer-Centric Support: Serve as a highly responsive, consultative technical resource for clients, ensuring all communication is prompt, clear, and reassuring during disruptions. * Infrastructure Management: Deploy, configure, and maintain multi-vendor network hardware including managed PCs, servers, switches, firewalls, VOIP phones and wireless access points (WAPs). * Security Infrastructure Management: Oversee, configure, and actively manage clients' advanced endpoint and network security solutions, including EDR, MDR, and XDR platforms. * Systems & Cloud Engineering: Support and manage client Microsoft Azure instances, Microsoft 365 / Office 365 (M365/O365) ecosystems, Windows Server environments, and Windows desktop operating systems. * Team Mentorship: Actively share knowledge, provide technical guidance, and help train junior IT staff and help desk technicians to elevate the team's overall capabilities. * Continuous Learning: Rapidly adapt to and adopt new vendor tools, software suites, and emerging technologies on the fly as clients update their tech stacks. * Documentation: Maintain meticulous, up-to-date documentation of client network topologies, configuration backups, credentials, and security profiles. Travel & Schedule Requirements * In-Office & Local Travel: This is an in-office position requiring regular travel to customer locations throughout the Jacksonville area. * Travel Flexibility: Must be flexible and ready to travel out-of-town to client sites within day of notice to address urgent client requests. * Out-of-Town Travel: Occasional overnight or out-of-town travel may be required based on project needs. * Reimbursement: All business-related travel and mileage will be reimbursed per company policy. * Off-Hours Support: Candidates must be flexible to provide support and handle network deployments during off-hours or weekends when required to minimize client downtime.