Senior Network Security Engineer jobs in United States
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ICONMA ยท 2 months ago

Senior Network Security Engineer

ICONMA is an Energy Services company, and they are looking for a Senior Network Security Engineer for their Orange, CT location. The role involves proactive network monitoring, performance analysis, and architecting secure networks across multiple locations.

Staffing & Recruiting
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H1B Sponsor Likelynote

Responsibilities

The ideal candidate will also be responsible for proactive network monitoring, performance analysis, and security visibility using tools like SNMP-based monitoring, ExtraHop, and other network analytics platforms to ensure optimal uptime, security, and efficiency
Architect, deploy, and optimize a scalable, highly available, and secure enterprise network across 350+ locations
Design and maintain MPLS, DIA, P2P circuits, AWS Direct Connect, and Azure ExpressRoute to ensure high-performance connectivity
Engineer and support IPSec VPN tunnels for secure remote access and inter-site connectivity
Implement advanced routing policies using BGP, EIGRP, OSPF, static routes, prefix lists, ACLs, and route maps
Design and maintain enterprise wireless solutions including Cisco WLCs and Access Points
Administer and maintain Cisco routers (ISR, ASR) and switches (Catalyst, Nexus)
Manage Infoblox DDI (DNS, DHCP, IPAM) for resilient name resolution
Configure and maintain Cisco ISE for network access control and authentication policies
Oversee network performance monitoring, SNMP-based alerting, and traffic analysis

Qualification

MPLSAWS Direct ConnectCisco routersRouting protocolsNetwork monitoringInfobloxCisco ISEDeep packet inspectionTraffic analytics

Required

8-10 years of hands-on experience in network engineering, architecture, and operations
Strong expertise in MPLS, DIA, P2P circuits, AWS Direct Connect, and Azure ExpressRoute
Deep knowledge of routing protocols (BGP, EIGRP, OSPF), IPSec VPN, NAT, ACLs, route maps
Extensive experience with Cisco routers (ISR, ASR) and switches (Catalyst, Nexus)
Proficiency in network monitoring and SNMP-based solutions (SolarWinds, PRTG, ThousandEyes, Cisco DNA Center, etc.)
Hands-on experience with ExtraHop for deep packet inspection and traffic analytics
Experience with Infoblox (DNS, DHCP, IPAM) and Cisco ISE (802.1X, NAC, auth)

Benefits

Health Benefits
Referral Program

Company

ICONMA: Your Partner in Global Staffing Solutions and Digital Transformation ICONMA is a globally recognized, Woman-Owned staff augmentation and technology consulting firm.

H1B Sponsorship

ICONMA 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 (34)
2024 (31)
2023 (26)
2022 (39)
2021 (37)
2020 (69)

Funding

Current Stage
Late Stage

Leadership Team

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Claudine George
Founder and CEO of ICONMA, LLC
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Company data provided by crunchbase