**Jason Davis** 📍 Lewisville, TX | 📞 (940) 340-9369 | ✉️ newton214@gmail.com 🔗 [LinkedIn](https://www.linkedin.com/in/jason-davis-27442118a) --- **SENIOR SYSTEMS ENGINEER** *Platform Migration & Automation | Unix/Linux Systems Builder | Enterprise Infrastructure* --- **PROFESSIONAL SUMMARY** Systems Engineer with 15+ years of expertise building, automating, and managing mission-critical Unix and Linux infrastructure for large-scale enterprises. Proven track record as a hands-on **systems builder**, leading full lifecycle projects from design through deployment, cutover, and support. Skilled in creating reliable, automated environments for business-critical applications. **CORE COMPETENCIES** **Platforms:** Unix, Linux (RHEL, Ubuntu, Arch Linux) | **Systems Skills:** Platform Migration, Server Build/Configuration, Legacy System Support **Automation:** Python, Ansible, Bash, Terraform | **Networking:** AWS, SD-WAN, Data Center, Security --- ### **PROFESSIONAL EXPERIENCE** **Consulting System Engineer** | TBX | May 2022 – Sept 2024 * **Systems Architecture & Integration**: Served as the SME for designing and implementing secure network and security architectures (Meraki SD-WAN, Fortinet Security Fabric) for enterprise clients, translating complex requirements into integrated solutions. * **Proof of Concept & Validation**: Developed and executed comprehensive Proof of Concept (POC) deployments to validate system design, automate configurations with Python/Ansible, and demonstrate technical value as a key differentiator in sales cycles. * **Technical Enablement**: Authored and delivered advanced technical workshops on Zero Trust and security automation, creating detailed documentation and enabling partner engineers to accelerate solution deployment. **Network Development Engineer** | Amazon Web Services | Sept 2021 – May 2022 * **High-Compliance Systems Support**: Acted as Tier 3 escalation for critical security and networking incidents within AWS GovCloud and high-compliance environments, leading cross-functional resolution efforts and authoring post-mortem guidance. * **Infrastructure Automation**: Developed Python-based automation frameworks and SOPs for cloud networking, establishing standardized, auditable patterns for secure implementation and management across enterprise AWS environments. **Principal Network Architect** | Verizon | Jan 2020 – Sept 2021 * **Enterprise Transformation Leadership**: Directed the architecture and migration of a global enterprise client from legacy MPLS to a modern SD-WAN (Versa) and Secure Access (Aruba) platform, implementing a Zero-Trust security model. * **Technical Pre-Sales & Strategy**: Led technical solution design and authored winning RFP responses for Fortune 500 clients in finance and healthcare, clearly articulating security architecture and compliance adherence. **Consulting Engineer III** | Zivaro | Oct 2018 – Jan 2020 * **Healthcare Infrastructure Deployment**: Designed and implemented a VXLAN data center fabric using Cisco ACI for Denver Health, integrating security policies for a HIPAA-compliant environment. * **Automation Advocacy**: Advocated for and implemented Ansible as the strategic automation platform over proprietary alternatives for a major healthcare client, delivering a scalable, vendor-neutral framework for network management. * **Complex Troubleshooting**: Resolved persistent VOIP quality issues for Simmons Foods by diagnosing QoS configuration problems and proposing an automated remediation strategy. **Network Engineer IV** | Charter Communications | Sept 2018 – Oct 2019 * **Large-Scale Platform Migration**: Engineered a continent-wide platform migration, leading the build, configuration, and deployment of CentOS-based servers to replace legacy RHEL infrastructure for critical DNS services. Executed seamless cutovers across all national markets. * **Critical Infrastructure Management**: Managed enterprise F5 LTM/GTM and A10 load balancing infrastructure, ensuring high availability for core services. **Senior Network Engineer** | American Residential Services | Jan 2018 – Jan 2019 * **Secure Network Transformation**: Architected and led the migration of 100+ sites to a Cisco SD-WAN (Viptela) solution with integrated security policies and Cisco Umbrella DNS filtering. * **Cost-Optimized Solutions**: Engineered a cost-effective out-of-band management solution using repurposed hardware, saving over $15,000 while maintaining security and functionality. **Senior Data Center Network Engineer** | Kaiser Permanente | May 2016 – Apr 2018 * **Data Center Modernization**: Deployed Cisco ACI fabric and migrated Nexus switching infrastructure (7K/5K to 9K) across multiple data centers, enhancing scalability for healthcare applications. * **Performance Optimization**: Diagnosed and resolved critical performance issues, including OSPF routing problems with Oracle Exadata and buffer tail drops on encrypted Data Domain replication traffic. **Senior Technical Architect** | AT&T (Supporting TIAA-CREF) | Jul 2010 – May 2016 * **Enterprise Network Refresh**: Led a $100M+ network infrastructure transformation, overseeing the refresh of Nexus/ASR/F5 platforms to support financial trading environments. * **Mainframe Integration & Optimization**: Optimized mainframe OSPF routing configurations (Area 51) and migrated load balancing from Brocade to F5 BIG-IP, ensuring performance for critical financial applications. * **Process Automation**: Developed operational scripts for security policy management and blackhole routing, and identified non-RFC compliant LACP implementation on NetApp systems via custom Tcl scripts. --- **TECHNICAL PROFICIENCIES** **Platforms & OS:** Unix, AIX, Linux (RHEL, CentOS, Ubuntu), AWS **Automation & Scripting:** Python, Ansible, Bash, Terraform, REST APIs **Networking & Security:** BGP, OSPF, VXLAN/EVPN, Cisco ACI, SD-WAN, PCI-DSS/NIST **CERTIFICATIONS** Cisco CCNP (Enterprise & Data Center) | AWS Certified Solutions Architect - Associate | Cisco DevNet Associate **MILITARY SERVICE** U.S. Air Force, Senior Airman – Honorable Discharge