IT Network Administrator

Global IID Parent LLC • Grapevine, TX

2h • Hybrid

About The Position

Smart Start is seeking a strong Network Engineer to support and improve our enterprise network infrastructure. This role is responsible for Juniper switching and routing, Palo Alto firewalls, VPN connectivity, site-to-site networking, datacenter connectivity, monitoring, troubleshooting, and production support. This is a hands-on network role. We need someone who can troubleshoot real production issues, work through firewall and routing problems, support critical infrastructure, and help strengthen network reliability and security. Although the primary focus is network engineering, this role may also assist with adjacent systems administration tasks across Windows Server, Active Directory, DNS, DHCP, Hyper-V, and other core infrastructure services in support of production operations.

Requirements

• 7+ years of hands-on enterprise network experience required.
• Strong experience with Juniper networking equipment required
• Strong experience with Palo Alto firewalls required
• Experience with routing, switching, firewalling, VPNs, NAT, segmentation, and high-availability network design required.
• Experience troubleshooting complex network issues in production environments required.
• Experience supporting multi-site LAN/WAN environments, datacenter connectivity, remote offices, and redundant circuits required.
• Experience with packet captures, firewall logs, switch logs, routing tables, and network monitoring tools required.
• Experience working with vendors, carriers, and technical support providers required.
• Ability to participate in after-hours maintenance and on-call rotation required.

Nice To Haves

• Working systems administration knowledge in Windows Server, Active Directory, DNS, DHCP, or Hyper-V are preferred.
• Experience with Hyper-V or other virtualization platforms preferred.
• Experience supporting production application environments preferred.
• Experience with SolarWinds, FortiMonitor, PRTG, or similar monitoring tools preferred.
• Familiarity with backups, disaster recovery, vulnerability management, SOC2, ISO, or NIST preferred.
• PowerShell, scripting, or automation experience preferred.
• JNCIA, JNCIS, PCNSA, PCNSE, Network+, Security+, or similar certifications preferred.

Responsibilities

• Manage and troubleshoot Juniper switching and routing infrastructure.
• Manage and troubleshoot Palo Alto firewalls, including policies, NAT, VPNs, traffic logs, and HA configurations.
• Support LAN, WAN, datacenter, remote-site, and third-party connectivity.
• Troubleshoot production connectivity issues involving firewalls, switches, routers, VPNs, DNS, DHCP, servers, and applications.
• Use firewall logs, packet captures, routing tables, interface counters, and monitoring tools to diagnose issues.
• Monitor network availability, circuit health, firewall performance, VPN tunnels, and site connectivity.
• Plan and complete network changes using maintenance windows, validation steps, and rollback plans.
• Support firewall rule reviews, network segmentation, vulnerability remediation, and security improvements.
• Work with vendors and carriers on circuit issues, hardware replacements, firewall support cases, and escalations.
• Maintain network diagrams, IP addressing, firewall rules, VPN documentation, circuit records, and support procedures.
• Participate in production support, after-hours maintenance, and on-call rotation.
• Perform other duties as assigned by the IT Director.

Benefits

• A comprehensive health plan that includes medical, dental, and vision coverage to ensure you and your family have access to the care you need
• A 401(k)-retirement plan with a generous company match to help you save for your future and achieve your financial goals
• Other fringe benefits including Birthday & Anniversary bonus, company-wide discounts, life insurance, Telemedicine access, short & long-term disability, and more!
• Positive work environments that offer work/life balance and professional growth
• Mission-driven work making a global impact with local roots
• The opportunity to have hands on work experience with industry leading, innovative technology

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed