Abhishek Suman
Site Reliability Engineering Manager (Integration Services Cloud Platforms) @Barclays
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WORK HISTORY
Site Reliability Engineering Manager (Integration Services Cloud Platforms) @Barclays
Knutsford, GB
Driving observability, reliability, and operational excellence across 20+ enterprise integration platforms. Established the Integration Services SRE function from the ground up, defining roadmaps, SLI/SLO frameworks, and embedding reliability into every layer of service delivery.Strategic Leadership• Built and scaled SRE practices across integration platforms• Defined change management protocols and aligned operations with service delivery• Partnered with SRE leads to unify reliability standards across cloud platformsTechnical Achievements• Implemented SLI/SLO frameworks and live dashboards for critical assets• Enhanced global messaging metrics and completed monitoring agent rollout across EMEA• Integrated database metrics into observability platforms; developed synthetic monitors for key auth servicesOperational Excellence• Upgraded OpenTelemetry collectors for error log capture• Rolled out infrastructure-as-code wrappers and ETL metrics for production systems• Established blameless postmortems and executed toil reduction strategiesTeam Development• Designed structured learning paths and led SRE workshops• Fostered collaboration via Scrum of Scrums and technical communities• Mentored engineers in reliability principles and practicesKey Outcomes• Reduced MTTR through comprehensive observability• Delivered enterprise-grade monitoring solutions• Developed reliability maturity model for service benchmarking
EDUCATION
Millia Convent
High School
Visvesvaraya Technological University
Bachelor of Engineering
SKILLS
ABOUT ABHISHEK SUMAN
As Site Reliability Engineering Manager at Barclays, I lead transformation across infrastructure, automation, and resiliency. I oversee mission critical infrastructure, define SLIs/SLOs, and ensure observability with data democratization. I drive blameless postmortems, identify automation opportunities, and foster collaboration across support and business teams. My documentation of architecture, processes, and SRE principles ensures transparency and repeatability.I have led the transformation of a fragmented, unscalable file transfer ecosystem that lacked automation, observability, and delayed business delivery. Spearheaded the adoption of Stonebranch as the enterprise integration platform to simplify and consolidate file transfer offerings. Conducted deep analysis of legacy infrastructure, engaged stakeholders, and led a rigorous vendor evaluation. Secured architecture board approval, negotiated contracts, and built a high-performing SME team. Delivered the solution through agile execution, resulting in a unified, automated platform that accelerated time-to-market, improved scalability, and enhanced operational visibilityI thrive in complexity and build systems that do too — scalable, resilient, and aligned with business and regulatory goals.
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