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Sharon Tamashunas is Astra Security’s Client Support Specialists and Office Manager. Sharon comes to Astra security with over 10 years of business management and office work experience. Sharon is the wife of tech, Mike. Sharon and Mike have been customers of Astra Security since 2013 and close friends to Oliver and his wife, Rachel! Sharon lives in Ames with Mike and their children, Jackson and Jamie. Sharon’s time away from the office is spent hanging out with her family and friends.

Alex is Astra Security’s Lead Security Advisors. Alex began working with Astra Security in January 2019. Alex has a passion for helping people and loves interacting with his customers. Alex grew up near Stratford, IA. When not working, Alex enjoys spending his time with his fiancée Lexie and their cat, Eugene. You might find them hitting the slopes on their ski’s in the winter or golfing, camping, and fishing in the summer. 

Mike Tamashunas is Astra Security’s Service Manager. Mike is a longtime friend of Oliver's and has been working part-time for Astra since 2013 but joined Astra full-time in 2017 as an installation and Service Technician then was promoted to Service Manager in March 2019. Mike grew up in Ames and went to High School with Oliver and is now married and a father of two young, Jackson and Jamie. Mike brings years of supervisory experience & hands on mechanical expertise. 

Anthony Torres, Astra Security’s Lead Installation and Service Technician. Anthony joined Astra Security in October 2018. Anthony is one of Astra Security’s Installation and Service Technicians. Anthony joined the Army National Guard in March of 2013 and completed his duty in February 2019. When not working Anthony enjoys spending his time with his family and his girlfriend Shelby and their two dogs Rex & Ghost.

Austin Keller is one of Astra Security’s Installation and Service Technicians. Austin joined the Astra Security team in November 2019, after graduation from Iowa State University in 2018. Austin has a passion for learning and working with his hands. Austin grew up near Deep River, Iowa. When not working, he enjoys fishing, hunting, and hanging out with his friends and family. 

Emily Harmelink is one of Astra Security’s Client Support Specialists. Emily joined Astra in October of 2018. Emily comes to Astra with over 7 years of customer service experience and loves helping people. Emily grew up in Nevada, IA. Go Cubs! Away from the office Emily spends her time with her fiancé, Jayden and his 2 children Nick and Lexi. They are die hard ISU fans, so you may see them in stands cheering on their team.

Hannah Meister is Astra security’s Senior Administrative Analyst. Hannah is Oliver’s cousin in-law, was born and raised in Story City, IA and received her Associates Degree for Administrative Assistance from the Des Moines Area Community College in 2010. Hannah has a passion for helping people and stepping in wherever needed.  She loves spending time with family, her husband Rudy, daughter Aubrey, and Son Amos! She is thrilled to be a part of the Astra Security Team! Hannah has been with Astra since 2015.

CEO and Senior Security Engineer, Oliver Keeling started Astra Security after a life-long passion for helping and protecting others. Oliver graduated from Iowa State University with a BA. in Criminology and a side emphasis in electrical technology. After serving a combined 7 years in the U.S Army, US Air Force, & working for homeland security Oliver began working for a large national security company where he found his love for burglar alarm systems & protecting people. Oliver’s vision for Astra is to offer the highest level of service to its customers and maintain the fastest most reliable alarm monitored systems. We appreciate the opportunity to work with all of our customers.


  • Peace of mind comes from having a security system in the home to make you feel safer.  But, how do we achieve more than this? 

  • Knowing your full needs are met, not just the day we're in the home installing, but forever with Astra Security.  


  • We guarantee your satisfaction every step of the way from the installation to our 24/7 monitoring. When you have questions our trained, professional, and well-groomed staff will always be available to for you.


Based in Ankeny, Iowa and founded in 2013 Astra is a veteran owned company providing peace of mind through professional 24/7 monitored home security & commercial security systems, home automation, & CCTV systems.  


"Astra Security is the most trusted and reliable security company in Iowa, providing the best technology, and achieving more than peace of mind." - Oliver Keeling, CEO  Here at Astra we're fully committed to the safety of you, your family, and your needs.  We are locally owned and guarantee your satisfaction every step of the way.

Astra's CEO has worked for Homeland Security and is a 7 year military veteran of both the US Army and US Airforce Civil Engineering. Getting his bachelor degree in Criminology and Criminal Justice with a side emphasis in Electrical Technology from ISU, Oliver's passion for security and entrepreneurship has grown into Iowa's best security company.