Sr. Network Engineer / Onsite / Miami

Miami, FloridaOnsiteFull Time$130k - $155kAbout the Role We are seeking an experienced Senior Network Engineer to support a U.S. government client's mission-critical communications and data infrastructure in the Miami, FL area. This is a fully onsite position supporting a program that provides continuous, live operational support to partner organizations, with a strong focus on full-motion video and real-time data feed reliability.The ideal candidate brings deep networking expertise (Cisco-centric environment), is comfortable operating in a fast-paced, mission-focused setting, and can help plan, architect, and grow a technical capability that connects a cloud-based Kubernetes platform with on-premise infrastructure.What You'll DoServe as the senior onsite technical resource for network engineering and platform-adjacent support, ensuring uptime and reliability of live data and video feeds. Design, plan, and help architect the growth of the site's technical capability, including staffing and resourcing recommendations. Manage and troubleshoot Cisco-based network infrastructure, including firewalls, supporting the connection between on-premise hardware and a cloud-based Kubernetes environment. Partner with a peer team supporting an equivalent, geographically separate program to align standards, share lessons learned, and receive knowledge transfer during ramp-up. Support day-to-day operational needs and coordinate with government stakeholders on capability requirements and priorities. Mentor and help train a second, more junior team member onsite. What We're Looking For10+ years of progressive network engineering experience, ideally within a defense, federal, or other mission-critical environment. Strong hands-on expertise with Cisco networking and security appliances (routing, switching, firewalls). Working familiarity with cloud-based Kubernetes platforms and how they interconnect with on-premise systems (platform engineering exposure is a plus, not a requirement). Prior military service, or extensive experience supporting defense-sector environments, strongly preferred. Demonstrated ability to operate independently in a senior, client-facing technical role — comfortable with architecture, planning, and staffing conversations, not just hands-on-keyboard work. Excellent communication skills and the judgment to operate in a high-visibility, live-operations environment. Clearance Requirement An active U.S. Government security clearance is required. TS/SCI is preferred; candidates with an active Secret clearance and strong qualifications will also be considered.Location & Schedule This position is 100% onsite in the Miami, FL area. This is not a remote or hybrid role.Compensation Salary is competitive and commensurate with experience. Details will be discussed during the interview process.