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Alexander Hostetler Email & Phone Number

Site Reliability Developer 4 at Oracle
Location: Littleton, Colorado, United States 9 work roles 1 school
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Current company
Oracle
Role
Site Reliability Developer 4
Location
Littleton, Colorado, United States
Company size
202102 employees

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Alexander Hostetler is listed as Site Reliability Developer 4 at Oracle, a with 202102 employees, based in Littleton, Colorado, United States. AeroLeads shows a matched LinkedIn profile for Alexander Hostetler.

Alexander Hostetler previously worked as Senior System Architect at Oracle and Senior System Architect at Cerner Corporation. Alexander Hostetler holds Bs, Information Technology, Computer Science, Communications from Central Michigan University.

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About Alexander Hostetler

I am a results-driven Senior System Architect and Systems Engineer with a robust background in designing, developing, and managing cloud infrastructure and big data technologies. With over a decade of experience in the tech industry, I have honed my Python, Bash, and Java skills, complemented by deep expertise in Unix/Linux system engineering, networking principles, and cloud services.Currently, I am leading the infrastructure design and development for Oracle Cloud Infrastructure (OCI) at Oracle, focusing on Kerberos and Storm services. My role involves managing and optimizing Cloudera Hadoop clusters, transitioning standalone Kafka platforms into OCI's Big Data Service, and ensuring the seamless migration of AWS clusters to OCI.Throughout my career at Oracle (formerly Cerner Corporation), I have successfully led cross-functional teams to deliver complex projects, optimize system performance, and implement innovative solutions to enhance scalability and efficiency. My key achievements include:Infrastructure Leadership: Designed and developed OCI Cloud infrastructure for Kerberos and Storm services, creating 9 BDS clusters per environment.Cluster Management: Oversaw 30 Cloudera Hadoop clusters in production, with the largest Kafka cluster comprising approximately 100 nodes and Storm clusters averaging 20-30 supervisors.OCI Migration: Spearheaded the transition to OCI, planning for 6 Storm clusters per environment and additional clusters for production.High-Volume Data Processing: Managed Storm topologies moving up to 52 million messages every 10 minutes and optimized Hadoop clusters ranging from 100 to 1,000 nodes.Technical Optimization: Implemented configuration as code to enhance scalability and efficiency and adopted new tools and technologies during code uplifts.I am passionate about leveraging my expertise in system architecture, cloud infrastructure, and big data technologies to drive innovation and operational excellence. My technical acumen is matched by solid project management skills, enabling me to lead projects from concept to completion while ensuring stakeholder satisfaction.Open to new opportunities: I am actively seeking challenging roles as a Senior System Engineer, System Architect, Lead System Engineer, or Site Reliability Engineer. If you want a dedicated and knowledgeable professional to join your team, let's connect!

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Oracle
Oracle
Site Reliability Developer 4
Littleton, CO, US
Website
oracle.com
Employees
202102
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9 roles

Alexander Hostetler work experience

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Site Reliability Developer 4

Oracle

Littleton, Co, Us

Senior System Architect

Oracle

Austin, Texas, Us

• Infrastructure Leadership: Led the design and development of OCI Cloud infrastructure for Kerberos and Storm services, while assisting with the creation of 9 BDS clusters per environment.• Cluster Management: Managed around 30 Cloudera Hadoop clusters in production, primarily hosted in AWS, supporting clusters with Kafka and Storm technologies. The largest Kafka cluster included approximately 100 nodes, while Storm clusters averaged 20-30 supervisors.• OCI Migration: I spearheaded the transition to OCI, planning for 6 Storm clusters per development/staging environment and additional clusters for production. I transitioned our platform from stand alone Kafka into BDS for the new build, aiming to migrate all AWS clusters to OCI.• High-Volume Data Processing: Oversaw Storm topologies, each moving up to approximately 52 million messages every 10 minutes, most clusters hosting 40-50 topologies of varying uses. Managed Hadoop clusters ranging from 100 to 1,000 nodes, creating separate clusters for different data/services after surpassing 1,000 nodes to address performance issues.• Technical Optimization: I implemented configuration as code to enhance scalability and efficiency and adapted new tools and technologies during code uplifts.• Cross-functional coordination: Led complex troubleshooting efforts impacting the entire platform, ensuring operational reliability, and collaborated closely with other teams on project statuses, issues, and communications.

Senior System Architect

Cerner Corporation

Kansas City, Missouri, Us

• Technical Leadership: Led system architecture design and provided technical support for complex infrastructures, ensuring optimal performance and scalability.• Project Management: Managed project timelines, support queues, and collaborated with cross-functional teams to resolve incidents and develop proactive solutions.• System Performance Optimization: Utilized advanced monitoring and observability tools to analyze, troubleshoot, and enhance system performance.• Support Escalations and Mentorship: Acted as primary contact for support escalations, managing relationships with support teams and mentoring junior team members.• Big Data Technologies Deployment: Deployed, configured, and maintained big data technologies (Kafka, Zookeeper, Storm, Hadoop) across on-prem and AWS environments using Red Hat/Oracle Linux.

Apr 2022 - Oct 2022

Lead Systems Engineer

Cerner Corporation

Kansas City, Missouri, Us

• Operational Readiness and Change Management: Performed daily system operations tasks, managed changes, and project activities to ensure high availability and performance.• Automation and Efficiency Improvement: Developed and deployed automation tools to optimize daily activities, enhancing efficiency and reducing manual efforts.• Root Cause Analysis and Issue Resolution: Troubleshot and resolved performance issues in production systems, ensuring seamless operation.• Event Support and Monitoring: Implemented and maintained solutions and services for events, creating monitoring and alerting systems using Zabbix and Grafana for proactive issue detection and resolution.• System Implementation and Maintenance: Managed system implementation, support, monitoring, and maintenance to ensure reliable and efficient operations.Kafka / Storm / CDH / CM / Kerberos / Big Data in AWS

Feb 2021 - Apr 2022

Assistant Manager

Pc Outlet
Aug 2009 - Aug 2010

Web Design And Sales

Great Lakes Sporting Arms
May 2009 - Aug 2009
Team & coworkers

Colleagues at Oracle

Other employees you can reach at oracle.com. View company contacts for 202102 employees →

CK Christian Koltermann Christian Koltermann Colleague at OracleBad Lauterberg, Lower Saxony, Germany View → TD Tejinder(Tj) Dhaliwal Tejinder(Tj) Dhaliwal Colleague at OracleMorgan Hill, California, United States View → RB Ryan Brown Ryan Brown Colleague at OracleMississauga, Ontario, Canada View → MA Mohamed Abdelazim Mohamed Abdelazim Colleague at OracleEgypt View → DK Dylan Kopriva Dylan Kopriva Colleague at OracleWest Des Moines, Iowa, United States View → NC Natalie Carter Natalie Carter Colleague at OracleInglis, Florida, United States View → TC Travis Collins Travis Collins Colleague at OracleKansas City Metropolitan Area, United States View → SA Silvia Andrea Uribe Rangel Silvia Andrea Uribe Rangel Colleague at OracleGuadalajara, Jalisco, Mexico View → AC Arun Chockalingam Arun Chockalingam Colleague at OracleDubai, United Arab Emirates View → AK Ashokkumar Kannan Ashokkumar Kannan Colleague at OracleChengalpattu, Tamil Nadu, India View →
1 education record

Alexander Hostetler education

  • Central Michigan University
    Central Michigan University
    Communications
FAQ

Frequently asked questions about Alexander Hostetler

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What company does Alexander Hostetler work for?

Alexander Hostetler works for Oracle.

What is Alexander Hostetler's role at Oracle?

Alexander Hostetler is listed as Site Reliability Developer 4 at Oracle.

Where is Alexander Hostetler based?

Alexander Hostetler is based in Littleton, Colorado, United States while working with Oracle.

What companies has Alexander Hostetler worked for?

Alexander Hostetler has worked for Oracle, Cerner Corporation, Pc Outlet, and Great Lakes Sporting Arms.

Who are Alexander Hostetler's colleagues at Oracle?

Alexander Hostetler's colleagues at Oracle include Christian Koltermann, Tejinder(Tj) Dhaliwal, Ryan Brown, Mohamed Abdelazim, and Dylan Kopriva.

How can I contact Alexander Hostetler?

You can use AeroLeads to view verified contact signals for Alexander Hostetler at Oracle, including work email, phone, and LinkedIn data when available.

What schools did Alexander Hostetler attend?

Alexander Hostetler holds Bs, Information Technology, Computer Science, Communications from Central Michigan University.

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