16 firewall specialist jobs at 12 companies in Ossining, NY

16h
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Systems Specialist - Communications Network Infrastructure
New York City, New York, United States
$125k-$150k/yr OnsiteFull Time
Consolidated Edison Company of New York
Consolidated Edison Company of New York: Private regulated electric, gas, and steam utility serving New York City and Westchester County.
3+ YOERequires a degree or 8 years of IT/information security experience, 3+ years designing secure architectures and administering firewalls, leadership ability, and strong communication skills.
Next-Generation Firewalls, SASE, ZTNA
3d
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It Specialist (Network)
Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York City or Oklahoma City or Portland or Austin or Oakland or Hines or Eatontown or Albany or Philadelphia or Long Beach or Anaheim or Aurora or Orlando or St. Petersburg or Tampa or North Chicago or Bedford or Baltimore or Detroit or St. Louis or Cleveland or Pittsburgh or Nashville or Davidson or Murfreesboro or Arlington or Dallas or Houston or San Antonio or SeaTac or Long Beach or Washington or Los Angeles or San Francisco or Denver or Miami or Atlanta or Chicago or Seattle
$75k-$121k/yr OnsiteFull Time
Department of Veterans Affairs
Department of Veterans Affairs: U.S. federal executive department providing health care, benefits, burial services, and support to Veterans, families, and caregivers.
1+ YOERequires one year of specialized network experience equivalent to GS-9, including ACLs, firewall rules, network segmentation, change coordination, LAN/WAN devices, and configuration automation. U.S. citizenship required.
Access Control Lists (ACLs), Python, LAN/WAN
3w
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Edge Connectivity Specialist 2
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or Saint Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
HDR
HDR: Global professional services firm specializing in architecture, engineering, and construction.
3+ YOEBachelor's degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and experience with LAN/WAN, wireless, routing, switching, VPNs, VLANs, and firewalls.
Azure, AWS, SD-WAN, VLANs, VPN, LAN/WAN, Fortinet, Palo Alto, Aruba
3w
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Edge Connectivity Specialist 2
Omaha or Phoenix or Saint Paul or Austin or Kansas City or Columbia or Denver or Vienna or Saint Louis Park or Folsom or Portland or Pennington or Woodcliff Lake or Orlando or Harrisburg or Salem or Fort Worth or Pittsburgh or San Antonio or Dallas or Albuquerque or Olympia or Englewood
OnsiteFull Time
HDR
HDR: Global professional services firm specializing in architecture, engineering, and construction.
3+ YOEBachelor’s degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and expertise in LAN/WAN, routing, switching, VLANs, VPNs, wireless, firewalls, and network troubleshooting.
LAN/WAN, VPN, SD-WAN, VLAN, Microsoft Azure, AWS, Fortinet, Palo Alto, Aruba, CCNA, CCNP
3w
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Field Service Support Specialist
Ridgefield, Connecticut, United States
FieldFull Time
CorCystems
CorCystems: Privately owned managed IT provider serving Connecticut and New York businesses with cybersecurity, cloud, and network support.
2+ YOERequires 2+ years of customer service experience, IT technical support knowledge, valid driver's license, and troubleshooting experience with networks, Windows, servers, virtualization, firewalls, switches, and wireless products.
Microsoft Windows, Microsoft Office 365, Microsoft Azure, Voice over Internet Protocol (VOIP), Microsoft Active Directory, SonicWall, Cisco Switches, Cisco CBS, Cisco Catalyst, Ruckus, Ubiquiti, Microsoft Windows Server, VMware, Hyper-V
1mo
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IT Security Operations & Engineering Specialist
New York City, New York, United States
$100k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
6+ YOEExpertise in Microsoft Defender and Sentinel, threat hunting, incident response, Zero Trust, network microsegmentation, firewalls, KQL, EDR, server hardening, and vulnerability assessment.
Microsoft Defender, Microsoft Sentinel, MS Purview, KQL, Defender API, Palo Alto, Check Point, Fortinet, Cisco
1mo
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Tier 2 IT Support Specialist
Connecticut or New Jersey or New York or New York City or Los Angeles
$55k-$70k/yr HybridFull Time
LDI Connect
LDI Connect: Private U.S. office-technology services firm providing managed IT, document management, print, cloud, audiovisual, and security solutions.
3+ YOE3+ years IT support experience (1+ year in MSP preferred), Microsoft 365 and Azure AD/Entra ID administration, networking and firewall troubleshooting, strong client communication, valid driver's license and reliable transportation.
Microsoft 365, Microsoft Exchange Online, Microsoft SharePoint, Microsoft Teams, Microsoft OneDrive, Microsoft Intune, Azure Active Directory (Entra ID), Fortinet, Cisco, Meraki, Ubiquiti, ConnectWise, Autotask, Kaseya, PowerShell, TCP/IP, DNS, DHCP, VLAN
5d
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Systems Support Specialist II – Philippines
Makati or New York City
$10-$12/hr RemoteFull Time
My IT Crew
My IT Crew: Private Brooklyn-based managed service provider delivering IT support, cybersecurity, and technology strategy to small businesses.
Mid-level IT support role requiring Microsoft technology expertise, Windows Server, Active Directory, Group Policies, Microsoft 365, Hyper-V, DNS, DHCP, networking, firewalls, switches, Wi-Fi, and remote access experience.
Microsoft Windows, Microsoft 365, Windows Server, Microsoft Active Directory, Microsoft Group Policies, Hyper-V, DNS, DHCP, Remote Desktop, RemoteApps
1d
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IT Specialist (Policy and Planning)
Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York City or Oklahoma City or Portland or Austin or Oakland or Hines or Eatontown or Albany or Philadelphia or Martinsburg or Shepherdstown or Little Rock or North Little Rock or Long Beach or Anaheim or Aurora or Orlando or St. Petersburg or Tampa or North Chicago or Bedford or Baltimore or Detroit or St. Louis or Cleveland or Pittsburgh or Nashville or Davidson or Murfreesboro or Arlington or Dallas or Houston or San Antonio or SeaTac
$107k-$140k/yr OnsiteFull Time
Department of Veterans Affairs
Department of Veterans Affairs: U.S. federal executive department providing health care, benefits, burial services, and support to Veterans, families, and caregivers.
1+ YOEOne year of specialized experience equivalent to GS-13 in network engineering, infrastructure architecture, security, zero trust technologies, risk assessments, and IT policy and planning.
hardware, software, operating systems, firewalls, routing, switching, wireless, VXLAN, IPv6, IPv4, cloud-based environments
2w
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Entry IT Support Specialist
Fort Lee, New Jersey, United States
$50k-$60k/yr OnsiteFull Time
USP Management
USP Management: Privately held steel distributor importing and supplying flat-rolled steel and aluminum coils to construction and equipment customers.
0+ YOEBachelor's degree or equivalent experience; 0–1+ years of IT support experience; Windows/macOS troubleshooting, Google Workspace, networking, programming, AI assistant use, and English-Korean bilingual proficiency.
Google Workspace, Gmail, Google Drive, Google Sheets, Google Groups, Google Data Studio, Claude, ChatGPT, Gemini, TypeScript, React, JavaScript, Python, Java, Windows, macOS, LAN, WAN, VPN, firewalls, Claude Code, Codex, Gemini CLI, Google Cloud Platform (GCP), MySQL, PostgreSQL, Next.js
3d
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25B Information Technology Specialist
Teaneck, New Jersey, United States
OnsitePart Time
Army National Guard
Army National Guard: U.S. government military reserve component providing trained Army Soldiers for domestic emergencies and national defense.
Requires Army National Guard enlistment, junior-year high school standing or high school diploma/GED, age 17–35, physical qualification, legal and moral standards, and citizenship eligibility.
computer consoles, firewalls, computer programs
3w
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25B Information Technology Specialist
Orangeburg, New York, United States
OnsitePart Time
Army National Guard
Army National Guard: U.S. government military reserve component providing trained Army Soldiers for domestic emergencies and national defense.
Military enlistment required; must be 17–35, be a high school junior or hold a diploma/GED, pass a physical exam, meet legal and moral standards, and satisfy citizenship requirements.
computer consoles, firewalls
3w
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IT Support & Systems Specialist
Poughkeepsie, New York, United States
FieldFull Time
Foam & Wash Car Washes
Foam & Wash Car Washes: Family-owned Hudson Valley car wash operator serving drivers with tunnel, touchless, self-service, dog-wash, and laundromat services.
Hands-on IT support experience, hardware and networking knowledge, POS and PCI familiarity, valid driver’s license and reliable transportation, strong communication and documentation skills.
POS, routers, switches, firewalls, wireless networks
19h
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Cloud Data Operations Engineer - Technology Specialist I - Digital and Technology Partners - Hybrid/Onsite
New York City, New York, United States
$109k-$164k/yr HybridFull Time
Mount Sinai Health System
Mount Sinai Health System: Academic medical system providing comprehensive patient care and research.
8+ YOEBachelor's degree or equivalent experience, 8 years of IT experience including 6 years in systems analysis and application development, and expert Azure cloud, data, networking, security, and scripting skills.
Microsoft Azure, Windows, Linux, Azure Data Factory, Azure Databricks, Azure Synapse, Azure Data Lake Storage, Virtual Machines, SQL Server, Cosmos DB, AKS, Load balancers, VNet, Subnets, Firewalls, VPN Gateways, WAN, ADFS, AAD, PowerShell, Shell script, Infrastructure as Code (IAC), Microsoft Office Suite
19h
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Cloud Data Operations Engineer - Technology Specialist I - Digital and Technology Partners - Hybrid/Onsite
New York City, New York, United States
$109k-$164k/yr HybridFull Time
Mount Sinai Health System
Mount Sinai Health System: Academic medical system providing comprehensive patient care and research.
8+ YOEBachelor's degree in computer science or related field, 8 years of IT experience including 6 years in systems analysis and application development, and expertise in Azure cloud, data services, networking, security, and scripting.
Microsoft Azure, Windows, Linux, Azure Data Factory, Azure Databricks, Azure Synapse, Azure Data Lake Storage, Virtual Machines, SQL Server, Cosmos DB, AKS, PowerShell, Shell, Load balancers, VNet, Subnets, Firewalls, VPN Gateways, WAN, ADFS, AAD
2mo
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Sr. Security Services SA, AWS Industries - Customer Acceleration Team - Security Specialists
New York, New York, United States
$169k-$229k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
Technical role in sales; strong cross‑functional communication; Bachelor’s in CS/Engineering/Math or equivalent; IT development/consulting in software or internet; domain knowledge in software, cloud, security; proficient with executives and technical audiences.
Security Hub, GuardDuty, Inspector, Detective, IAM Identity Center, Macie, Security Lake, Network Firewall, WAF