RAJINI INBARAJAN
Smyrna,TN
Summary
Led a team of engineers responsible that supported applications that process claims, remits and reporting for providers and hospitals across US. Played a vital role, as a Lead Site Reliability Engineer, to automate operational tasks which increased the team productivity and reduced system downtime, notably. Thrive on building effective monitoring systems that alert on symptoms rather than outages.
Overview
24
24
years of professional experience
1
1
Certification
Work History
Lead Site Reliability Engineer
Optum
04.2023 - Current
- Managed Cloud based systems hosted in AWS
- Developed monitoring and alerting systems to improve service availability
- Defined and track SLOs/SLI to quantify batch application performance
- Re-evaluate and address existing monitoring, automate manual tasks
- Created an operational dashboard to display processing metrics that improved awareness of the system using Splunk and AppDynamics.
- Reduced system downtime by streamlining deployment and patching activities
- Improved productivity of the team by automating routine tasks through scripts
- Authored technical documentation such as runbooks, playbooks for better operational efficiency
- Promoted awareness using dashboards to report on volume trends in production
- Conducted root cause analysis of system outages or performance degradation incidents
- Conducted post-mortems to understand the timeline and the events that led to an incident; and identify correctional procedures to prevent recurrence in future
- Worked with internal SOC audit team to ensure compliance.
Application Support Engineer
Change HealthCare
11.2015 - 04.2023
- Monitor system performance, identified bottlenecks, and optimized resource utilization
- Define and configure alerts that can identify delays in processing and are actionable
- Analyzed server logs and metrics to identify potential problems in production environment
- Participated in on-call rotations to support issues in production
- Actively engage in and lead major incident calls, for swift resolution to minimize downtime
- Key member of several OS and hardware migrations
- Collaborated with engineering teams to design, develop and implement new solutions for reliability improvement
- Authored technical documentation such as runbooks, playbooks for better operational efficiency
- Maintained inventory records of server details including OS versions
- Performed duties of a scrum master; participated in daily standup calls, regular grooming, sprint demos and PI planning sessions.
Production Control
Emdeon Business Services
08.2005 - 11.2015
- Maintain configurations for claim processing engine hosted on a mainframe
- Responsible for deployments in production to make sure proper steps are followed without impact to production processing
- Conduct yearly disaster recovery exercise with external clients
- Participated in several projects including data center consolidation, server migrations and consolidation efforts
- Participated in on call rotation with the team
- Maintain knowledge base by documenting known issues/ steps to resolution
- Created documentation to train newly joined team members.
Developer, COBOL
Department of child services, Tennessee
11.2000 - 06.2005
- Developed software for the child support system used for case and financial management of support cases
- Participate in design review and preparation of test plans
- Document changes and conduct code review with peers
- Support user testing, implementation and support.
Education
Bachelor of Science - Mechanical Engineering
Bharathiar University
Tamil Nadu, India06-1996
Skills
- Splunk
- Scrum Master
- ServiceNow
- AGILE methodologies
- Kubernetes
- ITIL framework
- Root cause Analysis
- Disaster Recovery
- Cloud computing
- Bash scripting
Certification
- AWS Certified Solutions Architect – Associate (2018)
- AWS Certified Cloud Practitioner (2018)
Timeline
Lead Site Reliability Engineer
Optum
04.2023 - Current
Application Support Engineer
Change HealthCare
11.2015 - 04.2023
Production Control
Emdeon Business Services
08.2005 - 11.2015
Developer, COBOL
Department of child services, Tennessee
11.2000 - 06.2005
Bachelor of Science - Mechanical Engineering
Bharathiar University
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