Senior Network Systems Engineer

Concero; Fort Worth (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Concero is seeking a Network Systems Engineer to design, deploy, and secure our core network infrastructure. You will implement scalable LAN/WAN/SD-WAN and wireless networks, configure routers, switches, firewalls, and load balancers, and lead proactive monitoring and troubleshooting efforts.

The role emphasizes collaboration with the CTO and cross-functional teams to ensure reliable connectivity, robust security, and optimal performance across the organization.

Qualifications

• A bachelor's degree in computer science, Information Technology, Network Engineering, or a related field is preferred.
• Relevant professional certifications (CCNA, CCNP, Juniper JNCIS, Fortinet NSE) can serve as a replacement for a degree.
• 5+ years of experience in network design, implementation, and troubleshooting.
• Strong knowledge of network protocols (TCP/IP, OSPF, BGP, EIGRP), routing, switching, and firewall configuration.
• Experience with enterprise networking equipment from vendors such as Cisco, Juniper, Arista, or Fortinet.
• Proficiency in configuring and managing firewalls, VPNs, and other network security technologies.
• Experience with wireless network design and implementation.
• Knowledge of network automation tools and scripting (Python, Ansible, Netmiko).
• Understanding of SD-WAN technologies and implementation.
• Experience with network monitoring and performance analysis tools.
• Familiarity with Voice over IP (VoIP) and Quality of Service (QoS) implementation.
• Knowledge of IPv6 and network transition technologies.
• Experience with load-balancing technologies preferred.
• Excellent problem-solving and analytical skills.
• Strong communication skills and ability to explain technical concepts to non-technical stakeholders.
• Self-motivated with the ability to work independently and as part of a team.
• Ability to prioritize tasks and manage multiple projects simultaneously.
• Experience in a similar role supporting a mid to large enterprise environment.

Responsibilities

• Network Design & Implementation: Design, document, and implement scalable network infrastructure, including LAN, WAN, SD-WAN, and wireless networks, to meet business objectives.
• Network Administration: Configure and maintain network equipment, including routers, switches, firewalls, load balancers, and wireless systems.
• Network Security: Design and deploy comprehensive network security frameworks, including firewalls, VPNs, intrusion detection systems, and access controls.
• Troubleshooting & Monitoring: Diagnose and resolve complex network issues.
• WAN Optimization: Analyze and optimize WAN connections to achieve cost-effectiveness and optimal performance.
• IP Management: Maintain IP address management systems.
• Network Documentation: Develop and maintain detailed documentation of all network components, topologies, and configurations.
• Disaster Recovery: Create and maintain network-focused disaster recovery and business continuity plans.
• Capacity Planning: Analyze current network usage patterns and project future needs.
• Vendor Management: Evaluate and select vendors and service providers for networking equipment.

Skills

TCP/IP protocols

Firewall configuration

VPN configuration

SD-WAN knowledge

Network monitoring

Education

Bachelor's degree in CS/IT/Network Engineering

Tools

Cisco gear

Juniper gear

Arista gear

Fortinet devices

Job description

Concero is seeking a Network Systems Engineer to design, deploy, and secure our core network infrastructure. You will implement scalable LAN/WAN/SD-WAN and wireless networks, configure routers, switches, firewalls, and load balancers, and lead proactive monitoring and troubleshooting efforts.

The role emphasizes collaboration with the CTO and cross-functional teams to ensure reliable connectivity, robust security, and optimal performance across the organization.