Senior Network Engineer (Wireless)

Company: DSI Tech
Location: Herndon
Posted on: February 17, 2026

Job Description:

Job Description Job Description Job Summary 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. Position Responsibilities Conduct 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 to ensurei 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 to educate customers on emerging technologies and align solutions with their 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 meet Cisco Gold and Master partner compliance standards Stay current on the latest wireless and wireless security technologies by actively engaging with professional forums, blogs, and technical communities Provide project management support, coordinating with clients, vendors, and internal teams to ensure timely and successful project 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 guiding the work of team members, contractors, and subcontractors as needed Work independently with minimal supervision while ensuring alignment with organizational goals and standards Contribute to knowledge sharing across teams and promote a collaborative, team-oriented work culture 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 and network engineering environments, including LAN/WAN design, security, and deployment Strong expertise with Cisco wireless solutions, including Identity Services Engine (ISE) Hands-on experience with WLAN design tools such as Ekahau, netAlly, or iBwave In-depth knowledge of wireless networking standard (802.11, RF) and security protocols (802.1X, RADIUS, WPA2, EAP-TLS, PKI) Proficiency in wired networking concepts including routing, switching, TCP/IP Experience with high-density Access Point (AP) and client deployments Python scripting skills are a plus Excellent communication and documentation skills Strong customer service orientation Ability to write Statements of Work (SOWs) and respond to Requests for Proposals (RFPs Strong problem-solving abilities, attention to detail, and the capability to work independently or as part of a team Willingness to travel up to 50%, including occasional evenings and weekends Ongoing commitment to staying current with wireless and security technologies Benefits DSI Tech offers a range of employee benefits, including a 401(k) plan with a 3% company match, medical insurance, dental insurance, vision insurance, life insurance, short-term and long-term disability insurance, paid time off (PTO), and 9.5 company-paid holidays. We are committed to ensuring employee satisfaction through our benefits program and fostering a friendly, team-based culture. Who We Are DSI Tech is a Cisco Gold Partner, generating over $228 million in revenue annually. We are an expanding company that has been providing IT solutions and services since 1991, with headquarters in the thriving Dulles Technology corridor (Ashburn, Virginia). At DSI Tech, we pride ourselves on our culture based on credibility, capability, customer service, and commitment to our talented workforce and customers. We offer a comprehensive professional training program, a competitive compensation package, robust benefits, and a fun and rewarding workplace. We are excited to help accelerate your career development and growth! DSI Tech is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, disability, or any other characteristic protected by law.

Keywords: DSI Tech, Richmond , Senior Network Engineer (Wireless), IT / Software / Systems , Herndon, Virginia