On Site Security

Our on-site security services refer to the measures and practices implemented to protect physical spaces, properties, and assets from unauthorized access, theft, vandalism, or other security threats. This type of security is primarily focused on safeguarding a specific location, such as a building, facility, or campus.

Services We Offer

Physical Security Measures

The specific measures adopted can depend on the nature of your needs, the type of facility, and the perceived security risks. Our services are tailored specifically to what you need and we’ll make sure to assess the entire situation before providing a strategic plan.

Surveillance Systems

On-site security often involves the use of surveillance cameras and monitoring systems to keep a watchful eye on the premises. Video footage can be used for real-time monitoring and investigations. Defender One can help you with installation providers as well as operating the equipment and surveilling footage, as needed.

Perimeter Security

Protecting the perimeter of a facility is essential. This may involve physical barriers, adding additional lighting, and supplying manpower for surveillance to deter and detect potential intruders.

Security Personnel

On-site security requires our trained guards to monitor and respond to security threats. Our team is available to conduct routine patrols, check identification at the entrances to buildings and floors, and provide a visible deterrent.

Intrusion Detection Systems

These systems are designed to detect and alert authorities to unauthorized entry or suspicious activities. This could include motion sensors, alarms, and other detection technologies.

Emergency Response

Our team designs emergency response plans and can also train your team on how to respond to emergencies, such as fires, natural disasters, security incidents, terrorist activity, and more. This is a crucial aspect of on-site security.

Never Off Guard

As a family owned business, we are personally invested in your safety and will provide a holistic approach to your security needs. It’s a priority for us to be a community business, not simply a business in the community.

Our mantra is simply: 

We provide custom solutions to custom clients.

In our business, every client has a unique challenge. And while an approach to security can be rooted in standardized foundational practices, each client needs and deserves a custom approach specifically for their needs. 

Every day your to-do list grows longer, but monitoring your security personnel shouldn’t be on that list; that’s OUR JOB. We believe you should see the value in every penny you spend on protecting your people and your assets. 

Secure Your Peace of Mind

Whether you require round-the-clock surveillance, event security, or specialized services, we are here to offer tailored solutions that ensure your safety and peace of mind. Don’t wait until it’s too late. Fill out the form below or call us to schedule a consultation. Take the first step towards a safer, more secure environment.

Chad Emrick

Scheduling Adminstrator

As Scheduling Administrator, Chad leverages twenty years of administrative and management experience to enhance Defender One’s operational excellence. For Chad, the scheduling process is like putting together a puzzle—finding just the right pieces to fill every slot. His strategic mindset and knack for process optimization have consistently elevated his organizational efficiency. The security industry is 24/7. Thus, Chad’s methodical preparation and adaptable management style keeps our operations running smoothly.

When not orchestrating schedules at Defender One, Chad dedicates himself to his treasured role— a devoted family man. He and his wife Wanda have raised four remarkable children. Most recently, adding a new dimension to his life’s joy is his grandson, Leo.

Phil Kline

Regional Manager – Baltimore Metro Region

Phil’s career began in the U.S. Air Force, where he served as a Military Police Officer. His training as an Internal Response Unit member equipped him with essential skills in safety, security, and crisis management. One of his most fulfilling experiences was responding to Hurricane Sandy, where he played a vital role in assisting those affected by the disaster.

Following his military service, Phil transitioned to the building supply industry, where he spent a decade as an Operations and Sales Manager. During this time, he honed his leadership, process improvement, and industry analysis skills. His passion for identifying opportunities and driving positive change has been a constant throughout his career.

With a strong foundation in problem-solving and a resilient mindset, Phil is dedicated to applying his expertise to create impactful solutions. Whether leading teams, optimizing processes, or tackling complex challenges, he approaches every task with integrity and a focus on results.

Outside of work, Phil is an avid motorcyclist and enjoys spending time outdoors, hiking, and camping. One of his most memorable adventures was conquering the challenging hike to the top of Angels Landing in Zion National Park, Utah.

Walter Leslie Jr.

Operations Manager

Walter is an observant and vigilant, safety-driven security professional with 14+ years of leadership experience across commercial, residential, and corporate security sectors. Walter offers extensive expertise in developing and executing comprehensive physical security procedures and protocols. Specializing in risk assessments, he has successfully implemented mitigation strategies for clients, reducing potential security threats.

Outside of work, he is family-oriented and enjoys traveling with his wife Jackie, and their dog Aries. He is an avid sports enthusiast and loves the Washington Commanders and Washington Nationals.

Cynthia Cox

Human Resources Manager

With 21 years of management experience across various industries, including staffing, transportation, small business ownership, accounting, and operations, Cynthia brings a wealth of knowledge and a robust skill set to Defender One. Her diversified background has equipped her with a keen understanding of multiple business domains, making her an invaluable asset to the team.

Matthew Goodman

Assistant Director of Operations
Matt currently serves as Defender One’s Assistant Director of Operations. Matt is responsible for the day-to-day operations of Defender One and works closely with the Director of Operations & Training to implement goals and objectives for the company. As a nationally certified School Resource Officer and Force Science Analyst, Matt brings an interpersonal and holistic approach to the industry. He holds a Bachelor’s Degree in Criminal Justice from York College. Outside of work, Matt is an avid outdoorsmen, spending time perfecting his landscaping skills. Matt also enjoys quality time with his wife Ashley, and two cats, Ollie and Leo, as well as watching the Baltimore Orioles and Ravens.

Jennifer Krieger

Director of Human Resources
Jen currently serves as Defender One’s Director of Human Resources, managing our HR and back end finance teams. Jen has 30 years of experience in healthcare benefits administration, retirement benefits, financial planning and human resources. Jen holds a Bachelor’s Degree in Accounting from the University of Maryland, College Park and a Master’s Degree in Finance from Loyola University. Jen prioritizes an employee focused and driven company, with an emphasis on client and employee satisfaction. Outside of work, Jen enjoys running, watching her daughter play Division 1 Lacrosse, and playing with her grand-dogs.

Jared Krieger

Director of Operations & Training

Jared serves as the Director of Operations & Training at Defender One, where he oversees the company’s operations and staff training programs. He holds a Master of Science in Homeland Security & Disaster Management and a Bachelor of Science in Homeland Security & Counterterrorism. He is a Certified Security Project Manager and is board-certified in security management. He is also board-certified as a Physical Security Professional by the American Society of Industrial Security. As an accredited law enforcement instructor, Jared specializes in multiple disciplines, including Firearms, OC Spray, Expandable Baton, Handcuff Techniques, Taser, Defensive Tactics, and Force Science Analytics.

Outside of work, Jared enjoys traveling and spending time with his girlfriend and their three dogs.

Jon Krieger

Owner
Jon is the President and Founder of Defender One. Jon started Defender One in 2009, with the goal of bridging the gap between conventional security guards and law enforcement. Jon had a long and distinguished career in a large metropolitan police department for over 30 years, holding supervisory positions in several units, including patrol, internal affairs, traffic and community outreach. Jon has a Bachelor’s Degree in Criminal Justice from the University of Maryland, College Park. Outside of work, Jon spends his time spoiling his grand-dogs Fred and Barney, supporting the Ravens and Orioles, and watching his daughter play Division 1 Lacrosse.