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Tier Three Network Engineer Jobs in Avon, CT (NOW HIRING)

Data-Mail, Inc.

Network Engineer

Newington, CT · On-site

The Network Engineer will work closely with the Security and Desktop Support teams to maintain ... Troubleshoot Layer 2 and Layer 3 connectivity issues using packet captures, logs, monitoring ...

TEKsystems

Senior Network Engineer-Azure

Farmington, CT · Hybrid

$120K - $150K/yr

... 3. Strong experience with Palo Alto and Azure networking technologies. 4. Solid understanding of network protocols, security principles, routing, switching, VPNs, and firewall configuration. 5. ...

TEKsystems

Senior Network Engineer-Azure

Farmington, CT · Hybrid

$120K - $150K/yr

... 3. Strong experience with Palo Alto and Azure networking technologies. 4. Solid understanding of network protocols, security principles, routing, switching, VPNs, and firewall configuration. 5. ...

IKO Industries, Inc

Global Network Engineer

Agawam, MA · Hybrid

$100K - $116K/yr

Global Network Engineer Job Summary: Reporting to the Senior Manager, Global Network and ... This role focuses on Level 3 support, developing proofs of concept, implementing new technologies ...

IKO Industries, Ltd.

Global Network Engineer

Agawam, MA · On-site

$100K - $116K/yr

Global Network Engineer Job Summary: Reporting to the Senior Manager, Global Network and ... This role focuses on Level 3 support, developing proofs of concept, implementing new technologies ...

IKO Industries

Global Network Engineer

Agawam, MA · On-site

$96 - $129/hr

This role focuses on Level 3 support, developing proofs of concept (POCs), implementing new ... Responsibilities * Design and implement network, security, voice, and cloud networking ...

Infosys Limited

Senior Network Engineer

Hartford, CT · On-site

$110 - $150/hr

... Network-Firewall_and_Media|Cisco-Firewall_and_Media Technical Skills ... 3 Technical Skills 4 Overview The Infosys Financial Services unit is a global leader in driving ...

Stone Search

Cisco Network Architect (MSP)

Hartford, CT · On-site

Serve as a senior technical escalation resource for engineers and consultants, providing guidance ... Multiple top-tier industry certifications preferred (e.g., JNCIE, FCX, CISSP). * Exceptional client ...

Inserso

Network Support Technician

Hartford, CT · On-site

This position provides onsite and remote Tier 2 support that requires prompt action and quick ... Must possess experience of system engineering in one or more areas including telecommunications ...

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All JobsTier Three Network Engineer JobsTier Three Network Engineer Jobs in Avon, CT

Tier Three Network Engineer information

See Avon, CT salary details

$30.5K

$107.3K

$155.5K

How much do tier three network engineer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for tier three network engineer in Avon, CT is $107,290.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,600.00 and $131,400.00 per year, depending on experience, location, and employer.

How much does a Tier Three Network Engineer make?

A Tier Three Network Engineer typically earns between $80,000 and $120,000 annually, depending on experience, certifications, and location. They often work with advanced networking tools and may hold certifications like Cisco CCNP or CCIE.

What is a Tier Three Network Engineer?

A Tier Three Network Engineer is a senior-level IT professional responsible for troubleshooting complex network issues, designing network solutions, and supporting network infrastructure. They often work with advanced tools, protocols, and may hold certifications like Cisco CCNP or CCIE, typically operating in a team environment with a focus on network stability and performance.

What cities near Avon, CT are hiring for Tier Three Network Engineer jobs?

Cities near Avon, CT with the most Tier Three Network Engineer job openings:

Tier Three Network Engineer jobs near you

Network Engineer

Data-Mail, Inc.

Newington, CT • On-site

Full-time

Posted 16 days ago

Job description

LOCATION: NEWINGTON, CT.  This is an in person role, not remote, not hybrid

WORK SCHEDULE: Monday - Friday; 8:30 am - 5:00 pm

Network Solutions – Network Engineer is an onsite position responsible for the day-to-day administration, support, monitoring, and maintenance of the organization’s multi-site network infrastructure. This position supports a highly available enterprise environment consisting of LAN/WAN infrastructure, firewalls, wireless networks, VPN connectivity, network access control, Internet and carrier circuits, and related network services.

The Network Engineer will work closely with the Security and Desktop Support teams to maintain reliable and secure connectivity across all company locations. The position will also participate in network modernization initiatives, infrastructure projects, vulnerability remediation, disaster recovery, and security and compliance activities.

The ideal candidate is a hands-on network professional with experience supporting Cisco and Meraki environments who is comfortable troubleshooting complex network issues while also identifying opportunities to improve reliability, security, performance, and cost efficiency.

What You Will Do

  • Act as an escalation point of contact for Desktop Support staff.
  • Maintain a high degree of customer service and adhere to all service management principles.
  • Administer, monitor, maintain, and troubleshoot enterprise LAN, WAN, Internet, VPN, and wireless infrastructure across multiple company locations.
  • Train and guide Desktop Support staff.
  • Configure and support Cisco and Cisco Meraki switches, routers, firewalls, wireless access points, and related network technologies.
  • Configure and support Microsoft Server 2025 physical and virtual environment 
  • Monitor network availability, performance, utilization, latency, packet loss, and capacity and proactively address potential issues.
  • Configure and maintain VLANs, routing, switching, DHCP, DNS-related network services, ACLs, NAT, QoS, and other network services.
  • Troubleshoot Layer 2 and Layer 3 connectivity issues using packet captures, logs, monitoring platforms, and other diagnostic tools.
  • Maintain network equipment configurations, backups, firmware, software versions, and lifecycle information.
  • Perform network equipment upgrades and replacements during scheduled maintenance windows.
  • Assist with network architecture improvements and infrastructure modernization projects.
  • Maintain accurate network diagrams, IP address documentation, equipment inventories, configurations, and operational procedures.
  • Support network connectivity for VMware virtual infrastructure and enterprise storage systems.
  • Assist with configuration and troubleshooting of VMware networking, including virtual switches, VLANs, uplinks, and network connectivity.
  • Support network connectivity associated with SAN/storage infrastructure, disaster recovery environments, and data center systems.
  • Participate in infrastructure migrations, server moves, storage migrations, and data center projects requiring network changes.
  • Monitor network infrastructure and respond to alerts, outages, degradation, and connectivity issues.
  • Participate in troubleshooting of complex incidents involving network, server, application, storage, carrier, and security components.
  • Perform root-cause analysis for significant network outages and recurring issues.
  • Escalate issues to vendors and carriers when appropriate and maintain ownership through resolution.
  • Participate in after-hours maintenance and emergency support when required.
  • Participate in an on-call rotation as required.
  • Support network infrastructure associated with disaster recovery and business continuity capabilities.
  • Participate in scheduled disaster recovery exercises and failover testing.
  • Test and validate VPN, WAN, firewall, routing, and other network functionality during DR exercises.
  • Maintain documentation necessary to recover network services following an outage or disaster.
  • Support organizational compliance requirements, including SOC 2 and PCI DSS.
  • Assist with gathering network-related evidence for internal, external, customer, and regulatory audits.
  • Maintain network configurations and documentation in accordance with established change-management and security requirements.
  • Assist with vulnerability remediation, firmware upgrades, configuration reviews, and security hardening.
  • Follow established change-management procedures for production network changes.
  • Participate in and, where appropriate, lead network infrastructure projects
  • Ability to lift up to 50lbs.

 

What You Will Bring To Data Mail

  • Associate’s or Bachelor’s degree in Information Technology, Computer Science, Cybersecurity, Networking, or related discipline preferred. Equivalent professional experience will be considered.
  • 5-8+ years of hands-on experience administering enterprise network infrastructure.
  • Familiarity with VMware networking and virtualized server environments. Certifications in Cisco networking, Microsoft, and/or VMWare ESXi preferred.
  • Strong understanding of TCP/IP networking and the OSI model.
  • Strong knowledge of Layer 2 and Layer 3 networking concepts.
  • Experience configuring and troubleshooting VLANs, STP, routing, switching, NAT, ACLs, DHCP, DNS, and VPN technologies.
  • Hands-on experience with Cisco networking equipment.
  • Experience supporting enterprise firewalls and site-to-site VPNs.
  • Experience with enterprise wireless networking.
  • Experience troubleshooting network connectivity using tools such as packet captures, traceroute, Wireshark, logs, and network monitoring platforms.
  • Working knowledge of Microsoft Active Directory and enterprise authentication concepts.
  • Understanding of network security principles, segmentation, least privilege, and secure remote access.
  • Ability to independently troubleshoot complex technical problems and work effectively with internal teams, vendors, and telecommunications providers.
  • Strong documentation, organizational, and communication skills.
  • Ability to participate in after-hours maintenance and support when required.
  • Ability to quickly learn new or unfamiliar technologies and products independently, using documentation and on line resources.
  • Manufacturing industry vertical experience preferred.
  • Strong written, oral, and interpersonal communication skills, and the ability to manage multiple projects simultaneously.
  • Highly self-motivated and directed.
  • Team-oriented and the ability to effectively work within a collaborative environment.

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