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Click here or scroll down to respond to this candidateCandidate's Name
Golden, ColoradoEMAIL AVAILABLEPHONE NUMBER AVAILABLEhttps://LINKEDIN LINK AVAILABLEEducation:B.A. Mathematics, Concordia University - Irvine, Ca.EET (Electronics Technology), DeVry Tech - Atlanta, Ga.Certificates:OWASP 10 Requirements (2023.)Data Engineering:Constantly seeking sources of data and ways to use it to provide lower costs, better performance, and uncover potential security issues.Have written hundreds of bash, tcl, and expect scripts including a custom KPI gathering system for predictive analytics, host self-diagnosis, and enhanced messaging to identify physical, virtual, and containerized machines which are trending toward degraded states.Linear regression and standard deviation are used to estimate time to resource exhaustion and other stats.Ive written custom toolsets such as configurable bin generation code for focused analysis of variable numeric data.This allows the use of existing Unix / Linux tools for advanced analysis of broad spectrum numeric data.Built several host based monitoring tools for Linux using the GNU toolset to watch for high disk consumption, statistics for processes, connectivity performance using pings and traceroutes to nearby devices, also to monitor network connections using netstat or tcpdump.Individual Linux hosts upload the data gathered to a central system which would run statistical and security reports every 5 minutes. Data was emailed to appropriate personnel.PostgreSQL:PostgreSQL, 2 years. Automated data imports from MySQL, write SQL queries, create reports for further automation.Facilitate data conversion between MySQL and PostgreSQL databases.Understand backup procedures., and more.MySQL:Install/configure MySQL, create databases, tables, indices on tables, activate slow queries log, create reports, perform backups, and more.What sets Candidate's Name apart from the rest?20+ years of Linux System Administration and coding skills.I excel at tracking down problems in infrastructure that are missed by monitoring systems.I create custom scripts that look for and report changes in filesystems such as gargantuan space-consuming crash dumps, Java coredumps, and more.My scripts can analyze files and delete or move files to increase disk space on the affected drive or partition.To avoid needless human intervention, most of my tested, targeted maintenance scripts are set to run as a cron job so that the solution requires minimal, or no, human intervention.For urgent and fast processing of massive datasets or quick automation jobs, I am proficient with shell script parallelization.I know how to develop, debug, and deploy emergency fixes or other code on production devices IF no QA environments are available (e.g. architectures where expensive applications and hardware make production the only available environment.)Westat, Incorporated (Contract position, short term) Feb 2024 - July 2024, SME, Mailman upgrade operation.Roles: Linux System Administrator, Software discovery.Being a quick learner, I was brought on at Westat as an extra resource to research, discover, and document the process of upgrading the "Mailman" list server software to the next version.This saved approx. $20000, but more importantly, kept the primary team intact and focused on their usual tasks.Technologies: Linux OS, PostgreSQL, MySQL, Red Hat Linux 8, Postfix, Python virtual environments.Tasks: Filesystem discovery of mbox and Python "pickle" files which were subsequently decomposed to populate the Mailman 3 installation. Document proper upgrade procedures.Charter Communications (Contract position, short term) Nov 2023 - Jan 2024, Linux System Administrator.Roles: DNS Engineer -System Engineer III - DNS Engineering LabTo ensure proper quantities and operation of the virtual machines, I used the Nagios monitoring product and its reporting capabilities, as well as installing log rotation software in every VMware instance.Technologies: Linux OS, VMware instances, DNS, Nagios monitoring software, log rotation software.Tasks: VMware instance migration, consolidation, and cleanup (fixing full partitions, implementing log rotation,) and maintaining the Nagios monitoring server.Lumen Technologies Edge Compute Lab (Contract position) Jan 2023 - Oct 2023.Roles: Site Reliability Engineer.Kept Lumen's Edge Lab in top form to ensure reliable service for the Edge development team's rapid pace of developing software and services for Edge customers.Technologies: Metal-as-a-Service on Dell and Supermicro hardware, CAT 5, Fiber Optics, cabling Juniper routers.Tasks: Dell and Supermicro hardware metal-as-a-service installation, routing CAT 5, Fiber Optics, cabling Juniper routers, blade maintenance on compute servers, Tracing fiber runs with laser and power level testing equipment, manually tracing cables and fiber runs.Comcast (Full Time) Nov 2007 - Dec 2022. Senior Engineer, Engineering Operations.Roles: Software development, Comcast Business system maintenance.To keep Comcast Business customers happy with reliable VoIP phone and voicemail service, I discovered ways to improve system effiencies with custom programming.Technologies: Linux OS, Broadworks VoIP systems, Sendmail, Surgemail, HP DL360 hardware.American Express (Contract position) Dec 2003 - Nov 2007, - Linux / Solaris System Admin / Systems ProgrammerRoles: Administration for Linux / Solaris / Windows server instances.To keep the AMEX credit card rapid approval system in top form, I promptly deployed new Java code and verified that all servers were operating at peak efficiency with monitoring and periodic checks.Technologies: Apache Tomcat, Java, Websphere MQTasks: Deploy jar files from Java development team, debug where necessary.Agilent Technologies (Contract position) Jun 2002 - Apr 2003, - Website developer (Broadvision.)Roles: Software development, Oracle DBA.So as to keep Agilent's clients informed about the latest products, I and my team followed new product developements and updated the A.com Agilent product website.Technologies: Broadvision web framework, Solaris, Oracle DB.Tasks: Wrote client side javascript code for Agilent's online parts catalog, updated server side javascript code as needed.Updated: Aug 2024. |
