NTT Global Networks · 2 weeks ago
Senior Network Architect - Network Operations
Greenwood Village, CO
Full-time
Hybrid
Senior Level
$130K/yr - $150K/yr
7+ years expNTT Global Networks is a leader in software-defined managed network and Cloud security services for global enterprises. They are seeking a Senior Network Architect to manage and secure large Enterprise networks, providing customer support and consulting on IT network design and architecture.
AnalyticsNetwork HardwareTelecommunications
Hiring Manager
Jayme Martinez
Responsibilities
Responsible managing and securing large Enterprise networks including the planning, design, and operation of corporate Enterprise SDWAN, WAN, LAN, Wireless, VoIP, and Cloud services
Provide Customer support with monitoring, incident response, troubleshooting, and resolution of network and cloud functionality issues
Provide consulting to enterprise customer Architects and CIOs for IT network design, architecture, and compliance
Manages complex network issues including high-impact incidents, service outages, chronic problems, and changes on circuit underlay, SD-WAN overlay, LAN, WLAN, NAC, DNS/DHCP/IPAM, and Cloud based network services
Serve as escalation point with underlay ISPs and network vendors for complex network issues including incidents, service outages, maintenances, chronic problems, and changes
Perform complex changes and maintenances on Enterprise infrastructure and NTT Backbone network
Lead customer infrastructure optimization efforts including security hardening, code management, vulnerability management, configuration remediation, and standardization
Perform configuration and code updates across WLAN, LAN, SD-WAN, NAC, DNS/DHCP/IPAM, SASE, SSE, and Cloud-based network services
Implement network and security technology projects including design, proof of concept testing, and configuration for enterprise customers
Perform on-premises WLAN, LAN, SD-WAN network infrastructure and SASE design reviews, develop detailed health assessments, remediation deployment plans, and remediation
Design and implement AI-driven automation to proactively identify performance issues, optimize routing, and reduce manual intervention across edge and cloud environments
Qualification
Required
A minimum of seven years of experience as a network engineer, with strong hands-on network, security, and application troubleshooting experience
Detailed hands-on technical experience in the operational support of SD-WAN, WAN, LAN, Switch, Wireless, VoIP, NAC, DNS, DHCP, IP Address Management, and Cloud-based solutions
Experience in supporting advanced MPLS technologies including L3VPN, L2VPN, and VPLS as well as Internet based WAN connectivity solutions including DIA, Broadband, Fixed Wireless, 4G/LTE/5G, and Satellite
Experience managing leading network and security products including Cisco, Juniper, Aruba, Silverpeak, Palo Alto, Arista, and Fortinet
Experience in Juniper MX and QFX series routers and switches, Cisco Nexus Switches particularly within large-scale MPLS backbone network environments
Expert level knowledge of IP networking routing protocols including OSPF, EIGRP, and BGP
Strong understanding of network layer technologies and controls, including routing, segmentation, virtualization, and traffic engineering
Expertise in Layer 2 technologies, including Spanning Tree Protocol (STP/rSTP), Link Aggregation (Port Channels, LAG/LACP), 802.1Q VLAN tagging, and 802.1p CoS/QoS for performance and reliability optimization
Experience with deployment and management of cloud infrastructure including AWS, MS Azure, OpenStack, CloudStack, Netskope, Prisma, Zscaler, and Virtual Private Cloud
Experience managing SASE/SSE components including SDWAN, Cloud Firewall, Secure Web Gateway, Cloud Access Security Broker, Zero Trust Network Access, and DNS Security
Some experience with deployment and management of Firewall/IDS/IPS solutions including Cisco, Palo Alto, Fortinet, Juniper, and Checkpoint
Experience with IPSec, secure network connectivity solutions, VPN technologies such as site-to-site and remote access, load-balancing, and network access control technologies
Experience with zero trust setups and AAA/TACACS frameworks such as segmentation, single sign-on, multi-factor authentication, and AD integration
Ability to perform remote packet captures and packet capture analysis
Experience with network automation frameworks, API programmability including REST, RESTCONF, and NETCONF
Knowledge of automation and scripting languages such as Python and Perl
Ability to engage in technical discussions with Enterprise customer network and security architects
Bachelor of Science Degree in computer science, engineering, or equivalent experience
Certifications such as CCNA, CCNP, CCIE, or CCVP
Passionate about Customer support
Familiarity with enterprise security controls and security best practices
Track record of getting things done quickly and with quality
Travel to Customer locations
Prior experience working on global teams that provide 24x7 support to customers
Ability to work effectively with customers, senior management, staff, and vendors
Excellent communication, presentation, analytical, and problem-solving skills
Benefits
Health, dental, vision, disability and life insurance
401(K) with employer match
Flexible spending accounts
Health savings account
Company paid holidays
Generous paid time off
Company
NTT Global Networks
NTT Global Networks is a leading managed network services provider and a business unit of NTT Group.
501-1000 employees
H1B Sponsorship
NTT Global Networks 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
2025 (3)
2024 (3)
2023 (5)
2022 (5)
2021 (10)
2020 (9)
Funding
Current Stage
Late StageTotal Funding
$53.02MKey Investors
Norwest
2013-10-28Acquired
2010-05-21Series Unknown· $5.14M
2005-11-14Series D· $6.4M
Leadership Team
J
Jian Q. Li
CTO & Vice President
Company data provided by crunchbase