Assistant Manager Network Infrastructure Jobs in Fairfield, CT

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Network Engineer

New York, NY
onsite
Permanent / Full Time
90000 - 120000 USD / Yearly
We are looking for a Network Engineer to support and enhance our private cloud and network environment in New York, New York. In this role, you will help maintain reliable, secure, and high-performing infrastructure that supports business-critical services in a dynamic fintech setting. You will work alongside technical teams to improve operational stability, strengthen network security, and contribute to efficient day-to-day infrastructure management. Responsibilities: • Build, administer, and improve private cloud infrastructure with an emphasis on uptime, scalability, and operational resilience. • Configure, monitor, and troubleshoot network devices to maintain strong performance across the environment. • Apply security controls and support compliance-focused practices to reduce infrastructure risk and address vulnerabilities. • Collaborate with engineering and application teams to deliver a dependable platform for internal systems and client-facing services. • Identify opportunities to automate recurring operational tasks and streamline infrastructure workflows. • Investigate incidents, respond to support needs, and restore service quickly through effective technical problem-solving. • Create and maintain clear technical documentation for configurations, procedures, and operational standards. • Participate in a rotating on-call schedule that may include after-hours and weekend support, along with occasional travel to office or data center locations.
2026-10-20T00:00:00Z

Network Engineer

Hackensack, NJ
onsite
Temporary / Contract
47.5 - 55 USD / Hourly
We are looking for a Network Engineer to support enterprise voice and network environments in Iselin, New Jersey. This Long-term Contract opportunity is ideal for a communications and infrastructure specialist who wants to deepen expertise across Cisco-based networking, VoIP platforms, and collaboration technologies. The role will focus on maintaining reliable connectivity, strengthening network security, and supporting critical telecommunications services across the organization. Responsibilities: • Administer and support enterprise network infrastructure, including Cisco routing and switching environments, to maintain stable and secure operations. • Configure, monitor, and troubleshoot VoIP and unified communications systems to ensure consistent voice service and collaboration performance. • Manage firewall technologies such as Palo Alto and Cisco ASA by applying security policies, reviewing traffic behavior, and resolving connectivity issues. • Support routing architecture by implementing and maintaining Border Gateway Protocol (BGP) configurations across complex network environments. • Investigate network incidents, perform root cause analysis, and restore service quickly while documenting findings and corrective actions. • Partner with internal technical teams to plan network improvements, optimize system performance, and support infrastructure-related projects. • Maintain technical documentation for network designs, configuration standards, operational procedures, and troubleshooting records. • Evaluate network health through ongoing monitoring and recommend updates that improve reliability, scalability, and security.
2026-11-05T00:00:00Z

Sr. Network Engineer

Hackensack, NJ
onsite
Temporary / Contract
70 - 85 USD / Hourly
Our client, a large enterprise organization with a complex and highly available technology environment, is seeking a Senior Network Security Engineer with deep expertise in firewall engineering and enterprise networking. This individual will be responsible for designing, implementing, securing, and supporting critical network infrastructure while serving as a subject matter expert for next-generation firewall technologies. Key Responsibilities<ul><li>Design, implement, and maintain enterprise network security solutions with a focus on Palo Alto Networks and Fortinet firewalls. </li><li>Develop and manage firewall policies, security rules, NAT configurations, VPNs, and access controls. </li><li>Analyze firewall logs, network traffic, and security events to identify risks and troubleshoot connectivity issues. </li><li>Lead firewall upgrades, migrations, and lifecycle management initiatives. </li><li>Provide advanced troubleshooting for network and security issues involving routing, switching, wireless, VPN, and WAN/LAN environments. </li><li>Support enterprise network infrastructure including routers, switches, wireless systems, and security platforms. </li><li>Partner with security, infrastructure, and application teams to deliver secure and reliable services. </li><li>Participate in incident response efforts, root cause analysis, and remediation activities. </li><li>Maintain technical documentation, standards, and operational procedures. </li><li>Contribute to infrastructure projects from planning through implementation and post-deployment support. </li></ul>
2026-11-04T00:00:00Z

3 results for Assistant Manager Network Infrastructure in Fairfield, CT