About Us
Preparedness is our priority – your safety is our mission
Founded in 2003, Black Knight Security (BKS) is a trusted leader in providing comprehensive security services for commercial, residential, manufacturing and industrial properties. What sets BKS apart is our commitment to going beyond traditional guard services. We offer emergency action planning, security consulting, and on-site training classes – empowering facility occupants to respond confidently in emergency situations.
Every BKS security guard is:
Thoroughly screened
Extensively trained
Certified by the American Heart Association in First Aid, CPR and AED use
Our Vision
To be the most trusted security partner in the regions we serve by setting new standards in safety, service and professionalism.
Our Mission
To provide protection, safety and education for tenants, visitors, and employees – ensuring peace of mind through a strict focus on preparedness. Because feeling safe is important – but being safe is essential.
Our Approach
Preparedness is at the core of everything we do. At Black Knight Security, we go beyond response – we focus on prevention through tailored strategies and proactive planning.
Customized Security Plans based on your unique environment & risks
Our Management Team
Experience That Leads. Leadership That Cares.
With over 75 years of combined experience, our leadership team brings unmatched expertise to every client partnership.
since founding Black Knight Security in 2003, Dennis Lejeck has built a team of seasoned professionals from both security and cross-industry backgrounds, positioning BKS as a leading authority in commercial and residential protection.
What makes our team different:
A deep understanding of real-world security challenges
A focus on continuous improvement and employee engagement
A culture that values employee well -being and professional development
We offer innovative benefits and employee programs that attract and retain top-tier security talent. As a result, our clients benefit from a highly motivated, well-trained, and professional team – raising the bar for security standards across the industry.
Dennis W. Lejeck
President
In motivating people, you’ve got to engage their minds and their hearts. I motivate people I hope, by example – and perhaps by excitement, by having productive ideas to make others feel involved.
A U.S. Army veteran of Operations Desert Shield and Desert Storm, Dennis Lejeck brings over 20 years of private security experience and a strong focus on preparedness and client-focused solutions. Before founding BKS, he served as Director of Security for Pittsburgh’s US Steel Tower and Chicago’s River City Apartments. His leadership combines military discipline with real-world security expertise to drive innovation and service excellence. He is also an active member of BOMA Pittsburgh, supporting the commercial real estate community.
The manner in which one endures what must be endured is more important than the thing that must be endured.
Kimberly joined Black Knight Security in 2013 and plays a key role in ensuring client satisfaction through structured policies, regular client engagement, and officer training programs, including First Aid, CPR, and AED.
A U.S. Army veteran of Operation Desert Shield and Desert Storm, Kimberly brings over 13 years of combined military and private security experience. She holds an Associate Degree in Paralegal Studies and is recognized as a CHS-IV by the American Board for Certification in Homeland Security.
Kimberly Jones, CHS-IV
Regional Vice President
What Sets Us Apart
01
Customer-Centric Approach
02
Responsive & Reliable
03
Professional Training
04
Local Knowledge, Big Capability
Ready to talk security?
320 Fort Duquesne Blvd. Suite 100
Pittsburgh PA, 15222