6.1 KiB
Jason Davis 📍 Lewisville, TX | 📞 (940) 340-9369 | ✉️ newton214@gmail.com 🔗 LinkedIn
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