Network Engineer Level III

Company Description Ashburn Consulting, LLC, based in the Washington, DC metropolitan area, specializes in providing network and network security solutions in complex environments to a select set of government and business clients. The company, an established leader in its field, is composed of an elite team of engineers and business consultants, each of whom is recognized, and highly regarded, within the network and security communities. Job Description Ashburn is seeking a Network Engineer Level III to support a federal cybersecurity architecture opportunity. This key personnel role will provide senior wireless, network, and security engineering expertise with emphasis on Cisco wireless infrastructure, secure network operations, continuous visibility, security product integration, and advanced enterprise network engineering for a proposal opportunity. Primary Responsibilities Design, deploy, troubleshoot, and optimize secure wireless LAN solutions. Support Cisco wireless, Cisco ISE, MSE, WLC, Prime, and AnyConnect environments. Implement secure guest wireless and BYOD solutions. Integrate network security tools to support visibility, monitoring, access control, and enforcement. Troubleshoot complex LAN, WAN, and wireless issues. Support network performance, availability, and security for mission‑critical environments. Develop and review secure network configurations, diagrams, procedures, and technical documentation. Support enterprise architecture design reviews, engineering meetings, change management, and security posture improvement efforts. Qualifications Required Qualifications Candidates must be U.S. citizens. Candidates must be willing and able to work as Ashburn W‑2 employees. 1099 and corp‑to‑corp arrangements are not permitted for these roles. DHS EOD / suitability is required for clerance. 10+ years of experience designing, deploying, troubleshooting, and optimizing Wireless LAN systems for Government or similarly complex enterprise environments. Experience addressing Radio Frequency (RF) shared‑medium challenges. Experience ensuring robust wireless network performance and implementing security best practices aligned to Federal standards. Subject Matter Expert‑level experience with Cisco wireless technologies, including Cisco ISE, Cisco MSE, Wireless LAN Controllers, Cisco Prime, and Cisco AnyConnect. Experience implementing secure BYOD and guest wireless solutions while maintaining production network security. Experience applying federal information security policies, principles, and practices to secure network operations. Experience using tools such as ForeScout, Cisco ISE, Stealthwatch/Cisco Secure Network Analytics, and Splunk. Experience maintaining continuous network visibility and enforcing network security measures. Advanced network engineering experience designing, implementing, and managing complex LAN, WAN, and wireless systems. Experience with network performance optimization, troubleshooting, and advanced security protocol integration. Ability to support mission‑critical Government operations. Preferred / Strongly Desired Qualifications Active Cisco certification strongly preferred, such as CCNP Security, CCIE Security, CCIE Wireless, CCIE Data Center, or comparable experience. Experience with Cisco Nexus, IOS, FlexPod, Corelight NDR, IDS/IPS, firewalls, and network security tools. Experience with Cisco Prime, SolarWinds Orion, or comparable configuration management tools. Experience with Zero Trust Network Access, SASE, network segmentation, and micro‑segmentation. Prior DHS, DOD / DOW, or federal network security engineering experience. Physical Requirements Work is equally performed in the field as well as in a normal office environment. Lifting (up to 50lbs) may be required. Ladder climbing may be required. Driving is required. All duties performed with or without reasonable accommodations. Equal Opportunity Employer / Veterans / Disabled. An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status. Ashburn Consulting is an Equal Opportunity affirmative action employer. In compliance with the Americans with Disabilities Act Amendments Act (ADAAA), if you have a disability and would like to request an accommodation in order to apply for a position with Ashburn Consulting, please e‑mail View email address on click.appcast.io. #J-18808-Ljbffr