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3 results for Network Security Engineer in New Haven, CT

Cybersecurity Analyst

Oyster Bay, New York
onsite
Permanent / Full Time
80000 - 105000 USD / Yearly
We are looking for a Cybersecurity Analyst to help protect and strengthen the organization’s technology environment in Oyster Bay, New York. In this role, you will monitor security events, investigate potential threats, and work closely with IT partners to reduce risk across systems and infrastructure. This position also supports secure operations through documentation, system maintenance, and guidance on compliant technology use, including approved AI tools. Responsibilities: • Monitor networks, endpoints, and security tools to detect threats, unusual behavior, vulnerabilities, and unauthorized activity across the environment. • Investigate security events from initial alert through resolution, documenting findings, assessing business impact, and identifying underlying causes. • Evaluate security risks, rank remediation priorities, and collaborate with internal technology teams to implement effective corrective measures. • Review the effectiveness of security controls and confirm that mitigation efforts are completed, tested, and properly validated. • Escalate material cybersecurity, governance, compliance, and risk concerns to leadership with clear analysis to support informed decisions. • Provide guidance on the secure and policy-aligned use of approved artificial intelligence solutions and assist with oversight of related practices. • Assist with infrastructure administration by supporting patching, upgrades, testing, and security improvements, including occasional after-hours maintenance activities. • Maintain current documentation for system settings, security measures, asset inventories, and operational procedures to support audit readiness and continuity. • Offer secondary technical support for escalated user issues and service requests when additional troubleshooting expertise is needed.
2026-09-11T00:00:00Z

Assistant Manager, Network Infrastructure

Fairfield, Connecticut
onsite
Permanent / Full Time
100000 - 110000 USD / Yearly
We are looking for an experienced Assistant Manager, Network Infrastructure to oversee the performance, reliability, and evolution of campus-wide network services in Fairfield, Connecticut. This role combines hands-on technical leadership with operational oversight, supporting wired, wireless, and data center connectivity across multiple environments. The ideal candidate brings strong Cisco-based networking expertise, a proactive approach to uptime and security, and the ability to coordinate effectively with internal teams, vendors, and project stakeholders. Responsibilities: • Direct the planning, implementation, and ongoing administration of network services across campus locations, ensuring dependable connectivity for both wired and wireless environments. • Evaluate, procure, and deploy networking hardware, tools, and supporting materials needed to maintain and expand infrastructure operations. • Oversee resilient internet and organizational network connections, with a focus on high availability, rapid incident response, and continuous service performance. • Supervise network troubleshooting efforts by guiding staff, contractors, and colleagues through diagnosis and resolution of infrastructure issues. • Track bandwidth consumption, device activity, and system behavior to identify risks early and reduce service disruptions or misuse. • Establish and maintain monitoring routines and preventive checks for switches, transmission systems, power components, environmental controls, generators, and related equipment. • Create and update physical and logical network documentation, including detailed topology maps and infrastructure standards for data centers and network closets. • Lead vendor and contractor coordination for active and passive network components while ensuring installation practices align with established technical standards. • Partner with construction and renovation teams to define network hardware, cabling, and wireless requirements and to uphold infrastructure standards throughout project delivery.
2026-09-14T00:00:00Z

Network Administrator - Palo Alto

Brookhaven, New York
onsite
Temporary / Contract
38 - 44 USD / Hourly
We are looking for a hands-on Network Administrator to support and maintain critical network infrastructure in Brookhaven, New York. This Long-term Contract position is ideal for someone who enjoys solving connectivity issues, restoring service quickly, and keeping network environments stable across multiple facilities. The role requires an on-site presence five days a week and offers the opportunity to work with firewalls, switching, wireless, and SD-WAN technologies in a fast-paced operational setting. Responsibilities: • Diagnose and resolve day-to-day network issues involving firewalls, switches, wireless systems, and local area connectivity. • Administer and troubleshoot Palo Alto firewall environments, including policy updates, configuration changes, and issue resolution. • Configure, maintain, and upgrade Cisco switching infrastructure, including VLANs, trunk links, and related network settings. • Support SD-WAN environments using Cisco or Meraki platforms by identifying faults and restoring reliable site connectivity. • Manage and troubleshoot Aruba wireless networks to ensure consistent coverage and dependable user access. • Provide network support for nearby facilities in the Brookhaven, New York area, with occasional local travel as needed. • Assist with infrastructure rollouts, equipment installations, and deployment activities, including work that may occur during evenings or weekends. • Handle physical network hardware as required, including moving or installing equipment weighing up to 50 pounds.
2026-09-25T00:00:00Z