**Jason Davis** 📍 Lewisville, TX | 📞 (940) 340-9369 | ✉️ newton214@gmail.com 🔗 [LinkedIn](https://www.linkedin.com/in/jason-davis-27442118a)

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**SENIOR SYSTEMS ENGINEER**  
*Platform Migration & Automation | Unix/Linux Systems Builder | Enterprise Infrastructure*

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**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

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### **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.

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**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