[BBLISA-jobs] Senior DBA - Cambridge, MA

[Don Harpin]

This position supports a large public-facing database infrastructure
with extremely high transaction frequency. This is a social networking
website. The site has users in over 100 countries, in 6 languages and in
all time zones. This DBA candidate should be well versed in concepts
such as: performance tuning; infrastructure scaling; sharding &
partitioning; replication; multi-data center (WAN) replication.

This is an on-site, full time position. No contractors or off-shore
candidates will be considered.

Essential duties include...

* Continually improve database server performance and provide robust
monitoring;
* Architect appropriate strategies for efficiencies (memcache,
alternative storage engines, partitioning, sharding etc);
* Support development team in design decisions for new product features
and assist in code refactoring;
* Develop data cleanup/archiving scripts;
* Maintain & monitor DB uptime/performance monitoring tools;
* Engineer backup/recovery strategies and associated scripts;
* Assure replication integrity (20+ slave environment), and create new
slaves as needed;
* Configure database hardware for maximum resource utilization; manage
configurations accordingly;
* Capacity planning for growth;
* Sustain "three 9s" (.999%) uptime goal;
* Assure high-availability to 2+ Million web users daily (60,000+
simultaneously);
* Support tens of millions of transactions per hour;
* Assist with rotating on-call support (1 out of every 8 weeks);
* Scan web logs and database error logs for clues to database
performance bottlenecks.

Education and Training...

* BS or BA degree or relevant experience required;
* At least 5 years of experience with high volume, high availability
database environment.

Skills and Competencies...

* Seasoned Database Administrator in high volume, public-facing
application environment;
* Expert level database management and administration skills;
* Experience maintaining large multi-server database environments,
including administration, troubleshooting and performance tuning;
* Comfort level with needing to be reachable 24/7 for website
emergencies;
* MySQL EXPERIENCE HIGHLY DESIRED;
* Other database (MS SQL, Oracle, PostgreSQL, etc.) experience also
considered for excellent candidates who are able to work hard and learn
quickly.

 

For more information about the company, or to apply online, visit
www.online-buddies.com. 


-- 
Don Harpin
Director of Human Resources
Online Buddies, Inc.
http://www.online-buddies.com/

Office: 617-674-8949
FAX: 617-674-8881
Mobile: 617-823-4240

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