Network Support Engineer Tier 3 jobs in United States
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Continuant · 2 weeks ago

Network Support Engineer Tier 3

Continuant is a leader in modern Managed Services, supporting mission-critical collaboration and network environments for enterprise clients worldwide. We are expanding our Network Engineering team and hiring a senior-level escalation engineer who thrives in complex technical environments and enjoys direct interaction with clients.

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H1B Sponsor Likelynote

Responsibilities

Serve as the top-tier technical escalation point for complex network incidents
Own high-impact issues end-to-end, including RCA, vendor engagement, and remediation planning
Troubleshoot across multi-vendor routing, switching, firewall, and SD-WAN environments
Mentor Level-1 and Level-2 engineers and provide knowledge transfer across the team
Participate in client meetings (20–25%) as a network subject-matter expert to support Sales and Account Management teams
Provide technical clarification of services, architectures, and capabilities during presales discussions
Contribute to proactive assessments, improvement plans, and change/problem/release management
Maintain clear, high-quality documentation and communication within ServiceNow

Qualification

CCNPCisco routingCisco switchingSecurity protocolsSD-WANITIL FoundationClient communicationMentoringDocumentationProblem-solving

Required

3–5+ years of hands-on enterprise networking experience (engineering or TAC)
Strong troubleshooting expertise across Cisco routing, switching, security, and wireless
Excellent client-facing communication skills (written, verbal, and presentation)
Ability to lead high-severity incidents and remain calm under pressure
Experience working in a Managed Service, MSP, or 24x7 support environment
Required: CCNP (Enterprise, Data Center, or Security), ITIL Foundation
Technical strength in: Routing (OSPF, BGP, EIGRP, FHRP)
Technical strength in: Switching (STP, VLANs, VPC, LAG)
Technical strength in: Security (ACLs, NAT, VPN, NGFW)
Technical strength in: Cisco platforms: ISR/ASR, Catalyst/Nexus, ASA/Firepower, Meraki wireless
Comfortable participating in customer discovery and solution discussions
Ability to explain technical solutions to both technical and non-technical stakeholders
Experience supporting scope definition, effort estimation, or technical validation
Presents confidently during demos, design reviews, or Q&A sessions
Ability to work 8–10 hours at a desk, 5 days per week
Occasional travel for client meetings, training, or vendor events

Preferred

Bachelor's degree in related field or equivalent experience
CCIE
VMware VCP
Silver Peak
Fortinet NSE
Preferred experience: VMware, Silver Peak SD-WAN, Fortinet, QoS (LAN/WAN)

Company

Continuant

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Continuant is a Managed Services Provider & Systems Integrator that offers cloud collaboration solutions, voice systems, and AV.

H1B Sponsorship

Continuant has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2023 (2)

Funding

Current Stage
Growth Stage

Leadership Team

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Scott Graham
CTO
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Aldo Febro, PhD
Chief information Security & Privacy Officer
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