Dinaz Sanaullah

Results-driven Network & Cloud Technical Lead with 11+ years of experience delivering large-scale infrastructure transformations across global enterprise environments. Proven record leading SD-WAN deployments, cloud migrations (AWS/Azure), BGP/routing implementations, and security governance for environments supporting 40,000+ devices. Skilled at bridging technical execution and stakeholder leadership, with proven network automation capabilities (Python, Ansible) deployed at enterprise scale across 40,000+ devices and observability.

CCNA, CCVP, AWS SAA, and Azure AZ-103 certified. Seeking a senior network engineering or technical leadership role in DFW.

Technical Lead - Network Infrastructure at Citi (2020-11 – Present)

• Lead implementation of complex network changes on 40,000+ devices with 99.9% uptime, ensuring complete change-management compliance.
• Accelerated global infrastructure modernization via Cisco Viptela SD-WAN deployment across multiple sites, including OS upgrades, VXLAN/MPLS-aware routing changes, DNS updates, and legacy device decommissioning.
• Resolved high-severity incidents within SLA through Root Cause Analysis, presenting corrective action plans to management.
• Built Python and Ansible automation scripts for SSH-based configuration management and API integrations across network devices, reducing manual effort and error rates by 30%.
• Led CyberArk privileged access migration across network infrastructure, enforcing zero-trust access governance and IAM policy compliance.
• Eliminated monitoring gaps across 1,000+ devices during platform migration using Spectrum, Nmap, and Tenable — maintaining full observability throughout transition.
• Selected for Citi's Prometheus Women Development Program to enhance cross-functional leadership skills.

Project Lead - Network & Infrastructure at PepsiCo (via Tata Consultancy Services) (2018-08 – 2020-01)

• Led full project lifecycle for PepsiCo's Sales Planner Application: scope, schedule, cost, quality, and stakeholder communication
• Developed detailed project plans coordinating with stakeholders to ensure timely delivery within scope, cost, and quality parameters
• Coordinated cross-functional infrastructure and development teams to deliver seamless production deployments on schedule
• Identified and mitigated project risks proactively, maintaining zero critical escalations throughout engagement
• Provided IT support and managed user issues, consistently achieving client satisfaction targets

Quality Assurance Analyst at Citi Bank (2017-06 – 2018-07)

• Improved app reliability, reducing defects by 60%, resulting in enhanced performance and user satisfaction
• Ensured compliance with business requirements and reported results to development teams

Cloud & Infrastructure Project Lead at Independent Consulting (2015-11 – 2017-06)

• Architected and deployed multi-tier AWS VPC environments with public/private subnets across multiple availability zones
• Managed EC2 provisioning, S3 lifecycle management, Glacier archival, IAM roles/policies, AMI's, and snapshot strategies for secure, scalable cloud solutions
• Led team of engineers delivering cloud infrastructure projects, ensuring on-time delivery and security best practices

Customer Support Engineer at Cisco Systems (2013-07 – 2015-10)

• Project Lead for HCS Quality Assurance, ensuring infrastructure compliance across Hosted Collaboration Solution deployments
• Installed and configured UCCM 9.0 and UC applications; managed VMware vSphere virtual machine deployments
• Recreated complex customer network scenarios in lab environments to drive troubleshooting and resolution
• Delivered executive-level escalation reports and monthly operational dashboards to leadership

Network Analyst | Tier 2 Support | IT Security Analyst at USA Tire & Wheels / AT&T / Rice University (2007 – 2013)

• Supported enterprise network infrastructure (routers, switches, remote servers) and managed patch deployments at the USA Tire & Wheels
• Provided Tier 2 technical support for AT&T U-verse customers; created escalation tickets using Remedy software and managed support documentation
• Monitored and supported 38,000+ ports and 1,000+ wireless access points at Rice University using Cisco Clean Access, Nmap, Tenable, and Trend Micro; investigated spam, compromises, and policy violations

Bachelor of Science (B.Sc.) in Computer and Communication Networks – Centennial College