Job Title: Senior Network Engineer Position Type: Contract to Hire Location: Onsite 5 days a week - Dallas, TX Role Overview: The Senior Network Engineer is an advanced networking professional responsible for the design, implementation, optimization, security, and operational support of enterprise network infrastructure. Serving as a senior technical leader, this role develops networking standards, drives modernization initiatives, architects secure and scalable network solutions, acts as a senior escalation resource, and provides mentorship to other engineers. This position supports WAN, LAN, WLAN, SD-WAN, data center, cybersecurity, and cloud networking environments. Responsibilities: Network Design & Implementation: Design, implement, and optimize enterprise network infrastructure. Architect secure and scalable network solutions. Design, secure, and optimize enterprise networks across WAN, LAN, WLAN, SD-WAN, data center, cybersecurity, and cloud networking environments. Technical Leadership & Modernization: Serve as a senior technical leader for the network engineering function. Drive modernization initiatives and lead technical projects and modernization efforts. Evaluate emerging technologies and solutions. Manage multiple priorities and strategic initiatives. Operations, Security & Escalation Support: Provide security and operational support for enterprise network infrastructure. Act as a senior escalation resource. Troubleshoot highly complex networking issues. Standards, Documentation & Mentorship: Develop networking and engineering standards and documentation. Provide technical mentorship and leadership to other engineers. Communicate effectively with executives, engineers, vendors, and business stakeholders. Education: Bachelor's degree in Computer Science, Information Technology, Network Engineering, or related field; OR Associate degree with seven (7) years of progressively responsible network engineering experience; OR equivalent combination of education, certifications, training, and experience. Experience: 7+ years designing, implementing, troubleshooting, and supporting enterprise network environments. Required Experience: Complex Cisco networking environments; wireless infrastructure; firewalls; cloud networking; network security technologies; enterprise infrastructure projects. Preferred Experience: Technical leadership and mentoring experience. Technical Knowledge: Enterprise Network Architecture: WAN, LAN, WLAN, SD-WAN, Software-Defined Networking (SDN), routing and switching protocols, and network segmentation. Data Center Networking: Data center networking architectures and technologies. Cloud Networking: Cloud networking architectures and connectivity. Network Security: Network security, Zero Trust, firewalls, and secure network design. Monitoring & Observability: Monitoring and observability platforms. Disaster Recovery: Network disaster recovery planning and implementation. Automation & IaC: Network automation and Infrastructure as Code (IaC). Project Management: Project management methodologies and technical project delivery. Key Skills: Network Engineering: Design, secure, and optimize enterprise networks. Technical Leadership: Lead technical projects and modernization efforts. Troubleshooting: Troubleshoot highly complex networking issues. Standards & Documentation: Develop engineering standards and documentation. Technology Evaluation: Evaluate emerging technologies and solutions. Mentorship: Provide technical mentorship and leadership. Communication: Communicate effectively with executives, engineers, vendors, and business stakeholders. Strategic Priorities: Manage multiple priorities and strategic initiatives. Preferred Certifications: Cisco: Cisco Certified Network Professional (CCNP Enterprise); Cisco Certified Internetwork Expert (CCIE). Cloud: AWS Advanced Networking – Specialty; Microsoft Azure Network Engineer Associate. Wireless: Aruba Certified Professional/Expert. Other: Equivalent advanced networking certifications.