Mark Nielsen
Senior DBA at Five9
Warwick, Rhode Island, United States
Summary
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SeniorMark Nielsen is a Senior DBA and data engineer with two decades of hands-on experience in databases, SQL, Python, and production SRE practices, currently leading database operations at Five9. He has repeatedly delivered performance and reliability improvements across MySQL, MariaDB, MongoDB and cloud environments for companies from Yahoo and HP to T-Mobile and ActiveVideo. Comfortable in both long-term roles and rapid consulting engagements, he combines deep operational chops (monitoring, automation, datamarts) with developer tooling like Git, Bash, and Python. Mark also leads machine learning engineering efforts in healthcare and helps organize a local R User Group, reflecting an uncommon mix of statistical curiosity and infrastructure focus. Based in Warwick, Rhode Island, he’s known for stabilizing large fleets of databases and turning ad-hoc needs into repeatable automation.
10 years of coding experience
12 years of employment as a software developer
Stackoverflow
991reputation
112kreached
26answers
9questions
Github Skills (127)
python10
scikit10
statistics10
caret10
r-package10
data-science10
data-analysis10
machine-learning10
scikit-learn10
r9
sports-data9
htmlwidgets9
plumber9
forecast9
meta-analysis9
Programming languages (8)
Github contributions (5)
slc-rug/future-meetups
Feb 2018 - May 2022
Contributions:57 commits, 50 pushes, 1 branch in 4 years 3 months
user-groupslcrstatsr-user-group
nielsenmarkus11/ExData_Plotting1
Dec 2015 - May 2022
Contributions:2 pushes, 2 branches in 6 years 6 months
data-analysispythonexploratoryplottingexploratory-data-analysis
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