Sr Network Engineer

ZealHire Inc.; Dallas, Northern (TX, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

ZealHire Inc. is seeking a network engineer for a 12-24 month contract in the Dallas area. The role requires US citizenship or a green card and living in the DFW metro area, with work split between 3 days onsite weekly and one of the sites being Atmos Energy office.

Strong routing, switching, and security skills are essential for this position. You will install, configure, and maintain Cisco and other network gear, monitor performance, and ensure security compliance while documenting

Qualifications

• Must be US citizen or US Green Card holder.
• Must reside in the DFW metro area.
• Contract duration 12-24 months.
• Onsite 3 days per week; onsite at Atmos Energy office.

Responsibilities

• Installs, configures, and maintains network hardware, software, and Azure components including firewalls, routers, switches, VPNs, Virtual WAN (VWAN), firmware updates, and cabling.
• Performs routine backups, system updates, patching, and upgrades to maintain network integrity and security.
• Monitors network performance, system alerts, and security logs to identify and resolve potential issues proactively.
• Diagnoses and resolves network problems when alerted by users or automated monitoring systems.
• Maintains accurate records of network configurations, procedures, and activities for compliance and troubleshooting purpose

Skills

Cisco routing & switching

Network troubleshooting

Security monitoring

Cloud networking basics

TCP/IP protocols

Tools

SolarWinds

Wireshark

NetFlow

Palo Alto/Check Point/Cisco ASA

F5 LTM/GTM

Azure/AWS/GCP basics

Job description

Must be US Citizen or US Green Card Holder

Candidate MUST be living in DFW metro are currently

Contract: 12-24 Months

Work 3 days onsite each week

1strd int is Teams Video

2ndrd int is onsite at Atmos Energy office

ESSENTIAL DUTIES AND RESPONSIBILITIES :

• Installs, configures, and maintains network hardware, software, and Azure components including firewalls, routers, switches, VPNs, Virtual WAN (VWAN), firmware updates, and cabling.
• Performs routine backups, system updates, patching, and upgrades to maintain network integrity and security.
• Monitors network performance, system alerts, and security logs to identify and resolve potential issues proactively.
• Diagnoses and resolves network problems when alerted by users or automated monitoring systems.
• Maintains accurate records of network configurations, procedures, and activities for compliance and troubleshooting purpose

Technical Skills

• Strong hands-on experience with Cisco routing and switching platforms (Catalyst, Nexus)
• Configuration and support of Cisco and/or Juniper routers and switches
• Network monitoring tools (e.g., SolarWinds, NetFlow, Wireshark)
• Firewall administration (e.g., Palo Alto, Checkpoint, Cisco ASA)
• Load balancer configuration and troubleshooting (F5 LTM/GTM)
• Wireless networking (e.g., Cisco, HP/Aruba)
• IP addressing and protocols: IPv4/IPv6, TCP/IP, BGP, OSPF, EIGRP, DNS, DHCP
• TCP/IP, DNS, DHCP, BGP, EIGRP, OSPF
• Network change and incident management processes
• Familiarity with SD-WAN and basic cloud networking concepts (AWS/GCP/Azure)
• Network monitoring and packet analysis tools (SolarWinds, Wireshark, NetFlow)

$000,000 – $000,000 Salary range is not shown on the candidate portal