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S1 History

S1 Security Group, Inc®., established in 2004, is a full-service Security Company that offers its clients flexible and customizable security services. We offer on-site and asset protection that is tailored for the individual needs required by our clients. Customizable hours,  24/7, twenty-four hours a day, seven days per week, (365) days a year.

Our Experience

S1 Security Group, Inc®. draws from a diverse background of military & law enforcement experience from federal, state, and municipality agencies. We select our security officers with professionalism, ensuring that our clients can conduct their businesses with the peace of mind that a private security service offers.  Our expertise extends to all areas that are vital to your company’s protection and security needs.

Our Mission

S1 Security Group, Inc®. is dedicated to the safety of our clients and their assets. We are able to customize security services to meet the specific needs of each client. We use the latest technology and training to provide superior services that are unmatched in the industry. We select our guards using the highest standards of professionalism and honesty ensuring that our customers can conduct their business without disruption.

+1361 Properties Protected
+830 Cases solved
+17 Years in Practice
+462 Cargo recovery

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Biographies Team Leaders

Rolando E. Palma


A native of Miami, Florida, Rolando E. Palma has worked in the security and investigations industry for over 20 years.  Rolando received his Associate’s Degree in Criminal Justice from Miami Dade Community College and has served in the United States Marine Corps.  Rolando is a licensed private investigator and holds three board certifications, specializing in cargo theft.  He is considered an expert in safety and the prevention of cargo theft.  As President of S1 Security Group®, Rolando plays a critical role in the company, building a cohesive workforce and optimizing the client’s experience and satisfaction.

Luis Cestino

Director of Security

Luis Cestino was born and raised in Miami-Dade County. Luis graduated from Basic Law enforcement Training and became a Certified Law enforcement officer with the City of Miami from 1987 through 1999.  Luis was involved in several high-profile cases which include robberies and homicides. As a police officer, he was trained in critical incident response and in approaching and finding solutions from a law enforcement perspective to ongoing criminal activity in his assigned community.  Based on his proactive work and ability to problem solve, Luis was sent to Venezuela as part of a DEA effort to assist local police agencies in Caracas with the quality of life issues affecting those communities with Illegal immigration, robberies, and drug-related concerns. Luis left law enforcement to enter the private sector as an owner of a very successful aviation parts business. In 2002 Luis opened CSI of South Florida which he eventually sold to its current owner, Rolando Palma. Luis returned to Miami in 2019 to join S1 Security Group® as its Director of Security

Chris Soldo

Lead Private Investigator

A California native, Chris Soldo is an experienced professional in the security and investigations industry.  Chris was a police officer for both the Suinsun City and Los Angeles, California police departments where he served 18 years, collectively.   He has also, worked special security details and is a certified Private Investigator.  Chris serves as the lead Private Investigator for S1 Security Group®.


Jennifer L. Rodriguez

Private Investigator

Jennifer L. Rodriguez was born and raised in Miami, Florida. She graduated from Miami-Dade College with an associate’s degree in Criminal Justice. Upon graduation, she transferred to the University of South Florida located in Tampa, Florida, where she earned a bachelor’s degree in Communication Sciences and Disorders. Jennifer worked at the Arizona School for Deaf and Blind for over a year before attending and graduating from the Federal Law Enforcement Training Center where she earned the title of U.S. Customs and Border Protection Officer.
Jennifer returned to Miami after she departed from the U.S. government.  She attended and graduated from the Miami Police Training Center to become a police officer.  Jennifer has attained several years of experience in the field of law enforcement; from immigration to investigations; searches and seizures.  She is well versed in serving the public and defending the law and brings these skills to our private investigations team.