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Kastle Systems Tech Stack

Physical security and access control for commercial real estate and enterprises

IT Services and IT Consulting Falls Church, VA 501–1,000 employees Founded 1972 Privately Held

Kastle operates a property technology platform delivering access control, video surveillance, visitor management, and identity solutions to commercial real estate, multi-family residential, enterprises, and government facilities. The tech stack reveals a video-forward architecture (Genetec, Avigilon, H.264/H.265, ONVIF) paired with modern DevOps and ML infrastructure (Docker, Kubernetes, PyTorch, TensorFlow), suggesting real-time analytics on video streams. Hiring is tilted toward field and sales execution—security and sales roles represent 58% of open positions—while project lists are dominated by on-site installation and bid response work, indicating a services-delivery model layered atop the platform.

Tech Stack 54 technologies

Core StackAWS Docker Kubernetes Bitbucket Jenkins GitLab Ansible Puppet Terraform Python C++ Go PyTorch TensorFlow Linux Salesforce Genetec Avigilon Microsoft Office Word Excel Git GitOps Chef H.264 RTSP H.265 ONVIF C PowerPoint+24 more

What Kastle Systems Is Building

◆Challenges

Meeting sales and revenue targets
Protracted sales cycles
Ensuring compliance and profitability
Complex mission-critical security programs
Managing risk and resource constraints
Complex sales cycles
Compliance with osha requirements
Improving website conversion
Technical and financial risks
Process inefficiencies

▲Active Projects

Installation of security solutions
Electronic security programs
Install acs, ids, cctv, intercom and other low voltage systems
Respond to security bid specifications
Proposal review
Designing security solutions for access control, video surveillance, visitor management
Complex project execution
As-built documentation
Campaign optimization
New office builds and installation projects

Hiring Activity

Decelerating200 roles · 40 in 30d

Department

Security

61

Sales

59

Engineering

34

Ops

20

Support

11

Marketing

8

HR

3

Construction

1

Seniority

Mid

98

Senior

39

Manager

25

Junior

21

Director

12

Intern

3

Lead

2

Principal

1

Notable leadership hires: Account Director, Installation Services Director

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About Kastle Systems

Kastle is a property technology company providing access control, video surveillance, visitor management, and identity management solutions to commercial real estate owners, multi-family operators, enterprises, educational institutions, and government facilities. The product portfolio spans hands-free entry, remote video monitoring, construction-site security, and contact-tracing integrations. The company operates a hybrid model: a core platform layer (built on AWS, Kubernetes, and video analytics libraries) combined with a large field and sales organization responsible for design, installation, and customer delivery. With 203 open roles and a 50-year operating history, Kastle serves tens of thousands of daily active businesses.

HeadquartersFalls Church, VA

Company Size501–1,000 employees

Founded1972

Hiring MarketsUnited States, Canada

Frequently Asked Questions

What tech stack does Kastle Systems use?

Core: AWS, Docker, Kubernetes, GitLab, Terraform. Video/security: Genetec, Avigilon, ONVIF, H.264/H.265, RTSP. Analytics: PyTorch, TensorFlow. Languages: Python, C, C++, Go. Monitoring: Jenkins, Ansible, Chef, Puppet.