Azhar Ahmed AA monogram emblem

04 · Career journey

Fifteen years, one direction, uptime

Every role, every result, in the detail it deserves. From carrier Ethernet labs in Hyderabad to the payment platforms of Western Union.

  1. Jul 2024 to Sep 2026

    Senior Site Reliability Engineer (Support)

    Western Union

    Operated highly available Kubernetes and AWS platforms for enterprise payment applications and provided first line engineering support to internal developers.

  2. Jul 2021 to Jul 2023

    Senior Cloud Engineer

    Western Union

    Engineered reusable AWS infrastructure templates and automation for three tier applications, improving provisioning speed and deployment reliability.

  3. Jul 2019 to Jul 2020

    DevOps Engineer

    Western Union

    Built and standardized CI/CD pipelines that automated build, test, security scanning and deployment across environments.

  4. Jul 2018 to Nov 2018

    Cloud Platform Engineer

    Calix

    Supported always on broadband platform operations and built AWS networking for cloud integrated network services.

  5. Oct 2017 to Apr 2018

    Cloud Engineer

    HARMAN

    Led infrastructure as code adoption and served as an escalation point for major cloud incidents within Cloud Operations.

  6. Jul 2016 to Aug 2017

    Systems Engineer

    Dasan Zhone Solutions

    Engineered and supported GPON fiber access and Active Ethernet switching platforms for service provider networks.

  7. Sep 2011 to Dec 2014

    Senior Systems Engineer

    Wipro Technologies (Ericsson)

    Developed control plane software for carrier grade Ethernet access platforms.

  8. Jun 2007 to Feb 2011

    Systems Engineer II

    Broadcom Corporation

    Contributed to Tier 4 engineering for FASTPATH networking software on enterprise and carrier Ethernet switching platforms.

05 · Experience in detail

The record, role by role

The complete record, exactly as it happened. Nothing summarised away, nothing left out.

Incident war room with engineers in silhouette before payment transaction dashboards

Jul 2024 to Sep 2026

Senior Site Reliability Engineer (Support)

Western Union

Montreal, Canada (Remote)

Operated highly available Kubernetes and AWS platforms for enterprise payment applications and provided first line engineering support to internal developers.

Key achievements

  • Sustained 99.98% uptime across 200+ services and resolved 85%+ of developer tickets without escalation, cutting average resolution time from 6 hours to 2.5 hours for 50+ engineers.
  • Reduced MTTR by 30 to 40% (about 65 to 38 to 42 minutes) through standardized triage and structured war rooms, and cut recurring incidents by 15% quarter over quarter through postmortem follow up actions.
  • Automated triage steps with Python (saving about 8 hours weekly), created 40+ runbooks and knowledge articles (25% fewer repeat questions) and redesigned the offshore to onshore handover, cutting it from 25 minutes to under 8.
Cloud engineer reviewing infrastructure diagrams beside a glass walled server corridor

Jul 2021 to Jul 2023

Senior Cloud Engineer

Western Union

Montreal, Canada

Engineered reusable AWS infrastructure templates and automation for three tier applications, improving provisioning speed and deployment reliability.

Key achievements

  • Designed CloudFormation templates (ALB, EC2, ASG, VPC, RDS) published through AWS Service Catalog, cutting environment provisioning from 2 to 3 days to 45 to 90 minutes.
  • Tuned ALB and NLB health checks and Auto Scaling policies, reducing unhealthy instance recovery time from about 8 minutes to under 3.
  • Applied CloudWatch based root cause analysis to raise first time stack deployment success from about 60% to over 90%, and built S3 triggered Lambda and ECS automation for real time file processing.
Pipeline stages glowing across a monitor wall in a dark operations room

Jul 2019 to Jul 2020

DevOps Engineer

Western Union

Denver, USA (Remote)

Built and standardized CI/CD pipelines that automated build, test, security scanning and deployment across environments.

Key achievements

  • Wrote declarative Jenkins pipelines in Groovy covering build, test, scan and deploy, automating about 80% of previously manual deployment steps.
  • Integrated JFrog Artifactory for versioned, traceable artifacts across 3 environments: QA, UAT and Production.
  • Enforced SonarQube quality gates and vulnerability scanning to block non compliant deployments and standardized pipelines to reduce configuration errors.
Broadband network operations room with a glowing fibre network map on the wall

Jul 2018 to Nov 2018

Cloud Platform Engineer

Calix

San Jose, California, USA

Supported always on broadband platform operations and built AWS networking for cloud integrated network services.

Key achievements

  • Executed upgrades and maintenance on the AXOS platform, sustaining always on network operations with minimal downtime.
  • Designed and deployed AWS networking environments (VPCs, subnets, routing, NAT gateways, ALB and NLB) integrating cloud workloads with broadband network services.
Cloud operations desk with multiple monitors during a major incident review

Oct 2017 to Apr 2018

Cloud Engineer

HARMAN

Mobile, Alabama, USA

Led infrastructure as code adoption and served as an escalation point for major cloud incidents within Cloud Operations.

Key achievements

  • Drove IaC adoption with Terraform and CloudFormation, automating provisioning for 80% of recurring cloud requests.
  • Reduced manual deployment time from 2 days to 3 hours through automated provisioning.
  • Led post incident reviews and problem management as escalation point for major cloud incidents, reducing repeat infrastructure incidents by 45%.
Engineer testing fibre optic equipment among carrier grade racks and patch panels

Jul 2016 to Aug 2017

Systems Engineer

Dasan Zhone Solutions

Oakland, California, USA

Engineered and supported GPON fiber access and Active Ethernet switching platforms for service provider networks.

Key achievements

  • Supported access solutions deployed across global carrier networks, covering GPON based fiber access and Active Ethernet switching platforms.
  • Deployed AWS hosted tooling (EC2, S3, CloudWatch) for log aggregation and defect tracking, reducing manual log review time by 40%.
  • Collaborated with the ASIC vendor on QoS mapping profiles that improved color aware rate limiting efficiency to about 99%.
Engineers at benches with switching hardware and oscilloscopes in a carrier Ethernet laboratory

Sep 2011 to Dec 2014

Senior Systems Engineer

Wipro Technologies (Ericsson)

Hyderabad, India

Developed control plane software for carrier grade Ethernet access platforms.

Key achievements

  • Developed control plane APIs and optimized the packet lookup path, improving system performance by 40%.
  • Improved lookup and forwarding performance by 30 to 40% by moving to hash based lookup architectures using SRAM and TCAM.
  • Redesigned the Access FPI Suite control plane layer that configures and manages 2 families of network processors (AX240 and AX340).
Close work on enterprise switch circuit boards in a networking silicon laboratory

Jun 2007 to Feb 2011

Systems Engineer II

Broadcom Corporation

Hyderabad, India

Contributed to Tier 4 engineering for FASTPATH networking software on enterprise and carrier Ethernet switching platforms.

Key achievements

  • Worked on FASTPATH protocol stack modules (VLAN, ARP, IP, DHCP, IGMP, DNS) delivering stable, standards compliant behavior across switching and routing frameworks.
  • Partnered with 2 major customers, Dell and Netgear, to reproduce production defects and deliver validated fixes within strict SLAs.
  • Designed Layer 2 switching enhancements for VLAN segmentation, MAC learning and forwarding, and optimized multi threaded packet processing from the SDK data plane to control plane applications.

See the expertise behind the record