DSI Tech is seeking a highly skilled and motivated Senior Network Engineer to join our dynamic team. In this role, you’ll play a critical part in delivering exceptional wireless network solutions to our clients. You’ll be responsible for the design, installation, maintenance, and support of LAN and Cisco Wireless infrastructures across multiple client environments.
This position demands a strong technical background, a proactive mindset, and outstanding customer service and problem-solving skills. The ideal candidate is passionate about cutting-edge wireless technologies and thrives in a client-facing, high-impact role.
We are specifically seeking a local candidate based in or near Ashburn, VA, with the ability to travel up to 50%, including after-hours and weekend availability for fieldwork at client locations.

QUALIFICATIONS / SKILLS / KNOWLEDGE

• CCIE Wireless certification is required and must be maintained for compliance
• Bachelor’s degree in IT, Electrical/General Engineering, or related technical field
• 5+ years’ experience in Cisco wireless/network engineering environments, including LAN/WAN design, security, and deployment
• Strong expertise with Cisco wireless solutions, including ISE
• Hands-on experience with WLAN design tools (Ekahau, netAlly, or iBwave)
• Deep knowledge of wireless networking (802.11, RF), security protocols (802.1X, RADIUS, WPA2, EAP-TLS, PKI)
• Proficient in wired networking concepts (routing, switching, TCP/IP)
• Experience with high-density AP/client deployments
• Python scripting skills are a plus
• Excellent communication, documentation, and customer service skills
• Capable of writing SOWs and responding to RFPs
• Able to travel up to 50%, including occasional evenings/weekends
• Strong problem-solving, attention to detail, and ability to work independently or as part of a team
• Ongoing commitment to staying current with wireless and security technologies

• Perform both remote and on-site consultations with clients to plan, design, implement, and support enterprise wireless network infrastructures
• Develop and execute technical architecture and physical designs for wireless and data networks by analyzing existing systems and recommending tailored solutions
• Configure, test, and deploy Cisco wireless technologies, ensuring high-performance and secure wireless connectivity
• Troubleshoot, maintain, and upgrade wireless systems, providing expert-level solutions to complex hardware and software issues
• Partner with Account Executives during the pre-sales process, educating customers on emerging technologies and aligning solutions with business needs
• Serve as a Cisco Wireless Subject Matter Expert (SME) for both customers and internal technical teams
• Maintain industry certifications (such as CCIE and others) to support Cisco Gold and Master partner compliance standards
• Stay current on the latest wireless and wireless security technologies through active engagement with professional forums, blogs, and technical communities
• Provide project management support, including coordinating with clients, vendors, and internal teams to ensure timely and successful delivery
• Ensure a reliable and stable performance environment for enterprise applications through proactive network design and maintenance
• Operate effectively in a fast-paced, client-focused environment where excellence in service delivery is a top priority
• Provide technical leadership by directing the work of team members, contractors, and subcontractors as needed
• Work autonomously with minimal supervision, while maintaining alignment with organizational goals and standards
• Contribute to knowledge sharing across teams and promote a collaborative, team-first work culture