Cloud Engineer - SRE

Sergio Enmanuel Sierra Mauricio adb22u@r.postjobfree.com

Cloud DevOps Engineer +502-****-****

Birthday 1978.06.08 Guatemala City http://linkedin.com/in/sergiosierra My professional career focuses on automating the delivery of technological solutions in Cloud and On-premise data center. I have experience leading IT projects, including Docker containers, Load Balancers and High Availability Linux and Windows Systems.

+ PROFESSIONAL EXPERIENCE

Autoweb (NASDAQ:AUTO) Systems Administrator Engineer (Nov 2015 - Oct 2019)

● Keep mission-critical database and applications uptime including NoSQL Redshift, Redis and DynamoDB

● Management of Amazon Web Services and Google Cloud Platform including On Call shifts

● Metrics and alert management with Datadog, StackDriver, PagerDuty & Runscope third-party tools

● Jenkins support and administration for Continuous Delivery / Continuous Integration DevOps role

● Elasticsearch, Kibana and Logstash cluster implementation for the logging system

● Management of multi-region Domain Name System (DNS) Amazon Route53 service

● Support and maintenance of Cloud functions (serverless) Lambda, Beanstalk and EC2 / ECS instances

● Infrastructure as a Service provisioning with Linux and Docker containers

● Maintenance of configuration procedures within system standards including S3 and Google storage

● Daily use of Jira platform as tracking system, internal requests and project follow-up

● Planning skills and time management for projects by updating collaborative Confluence documentation Reference: Ondria Kernan +949-***-****

Xerox, ACSBPS Systems Operations Engineer (2014 - 2015)

● Manage and support Windows virtual servers across remote data centers

● Monitoring alerts and diagnostics with Microsoft Operations Manager 2012 - 2015

● Maintenance and security updates for servers (WSUS and Configuration Manager) at multi-site topology

● Administrative tasks and support for devices with Microsoft Service Manager. Reference: Victor Martinez +502-****-****

Banco G&T Continental IT Projects Engineer (2012 - 2014)

● Lead implementation of critical projects within the core banking systems

● Disaster Recovery Plan (DRP) supporting the Business Continuity Planning (BCP)

● Lead infrastructure projects for Microsoft SharePoint and Unified Messaging projects (Microsoft Lync - Skype Server 2013) and MS SQL clusters

● VMware ESXi clusters configuration and support, virtualizing thousands of VMs including vSphere HA, vMotion and vSwitch

● Storage Area Network (SAN) and Network Attached Storage (NAS) configuration and support Reference: Eng. Douglas Hidalgo +502-***-****

AlbaCinema IT Manager (2006 - 2011)

● Managing IT staff supporting a dozen of Point of Sales across the country

● Implementation and management of “Vista Cinema” system for cinema managers http://www.vista.co

● Administration and support for MS SQL Server, Exchange, Active Directory, NOD32, Vista BackOffice

● Webmaster and project leader for www.albacinema.com.gt

● Design and implementation of eleven (11) Data Centers including power, video, voice and data services Reference: Oscar Chacón +502-****-****

+ EDUCATION AND TRAINING

CHARLES STURT UNIVERSITY 2019 AWS: Solutions Architect PLURALSIGHT 2019 Amazon Web Services Fundamentals for System Administrators PLURALSIGHT 2016 - ITIL Foundations

OPEN2STUDY - Big Data for Better Performance & Mobile Robotics CVB 2013 - Industrial Firefighter G&T Continental

MICROSOFT 2013 - Configuring, Administering & Deploying Lync Server 2010 ExecuTrain 2012 - (10174) Configuring & Administering MS SharePoint 2010 2012 SISAP - Computer Forensic Conference 2011

2004 NEW HORIZONS - Web Designer

UFM 2002 - ENGINEERING IN ELECTRONICS (6th. Semester ) 1995 COLEGIO SUGER MONTANO - COMPUTING BACHELOR

OTHER LANGUAGE:

English: Advanced level for reading, writing and conversation TECHNICAL SKILLS:

● Ubuntu Launchpad contributions for spanish translation https://launchpad.net/~demuxer

● Slack proficient, able to keep up with work communications, snippets and external integrations

● Involved in the Ubuntu Local Community (LoCo) team in Guatemala City http://www.ubuntu-gt.org

● Programming:VM PowerCli, Powershell, Linux bash scripting

● Virtualization technologies: EC2, VMware VCenter, Docker, Kubernetes, KVM, Microsoft Hyper-V

● Storage solutions: Google Cloud Storage, Amazon S3, Amazon Glacier, EMC VNX, Dell Compellent, Dell PowerVault, NAS, SAN topology

● Database: Redshift, Aurora, MSSQL, MariaDB, MySql, Redis, DynamoDB, Elasticsearch, PostgreSQL

● Free and Open Source Software advocate, proposing solutions for server and desktop users

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