Security Systems Architect – St. Louis, Missouri

TSI Global Companies, LLC; St. Louis (MO); Hybrid; USD 110,000 - 150,000; Full time

Job summary

TSI Global Companies, LLC is seeking a Security Systems Architect in St. Louis, MO. You will bridge sales, engineering and operations to design scalable security solutions, translating client requirements into deployable architectures.

The role emphasizes hands-on system design for access control, video surveillance and intrusion, BOM creation, and technical guidance during deployments. A track record in enterprise security and strong documentation is required.

Qualifications

• 5+ years of experience in the physical security industry.
• Experience designing enterprise security systems (access control, video surveillance, intrusion).
• Experience reviewing RFPs, specifications, and security drawings.
• Strong understanding of security system architecture and integration.
• Experience building BOMs and system designs.

Responsibilities

• Design enterprise physical security architectures including access control, video surveillance, intrusion detection.
• Develop scalable and secure system designs aligned with client requirements and industry standards.
• Provide technical leadership on complex security deployments.
• Collaborate with sales, engineering, and project management teams.
• Support continuous improvement of security design standards and best practices.

Skills

Security architecture

RFP review

Cross-functional collaboration

Bill of Materials (BOMs)

Documentation

Tools

Lenel OnGuard

Milestone XProtect

Axis Communications

Job description

Position Overview

The Security Systems Architect sits at the intersection of sales, engineering, and operations, partnering closely with Account Managers and project teams to design comprehensive physical security solutions. This role is responsible for translating client requirements into technically sound, scalable, and deployable security systems. The ideal candidate understands both the engineering side of security systems and the practical realities of field deployment. Location: St. Louis, MO (Hybrid / Travel as required).

Key Responsibilities

Solution Architecture & System Design

• Design enterprise physical security architectures including:
  • Access control systems
  • Video surveillance platforms
  • Intrusion detection systems
  • Supporting network infrastructure
• Develop scalable and secure system designs aligned with client requirements and industry standards
• Provide technical leadership on complex security deployments

Pre-Sales Engineering

• Partner with Account Managers during the sales process to develop client solutions
• Review RFPs, specifications, and project documentation to determine solution eligibility and technical approach
• Translate customer requirements into system designs and project scopes
• Build detailed Bill of Materials (BOMs) and supporting documentation

Technical Project Support

• Provide technical guidance to operations teams throughout project execution
• Assist with system configuration, programming, and commissioning when required
• Support troubleshooting and system optimization during implementation
• Help ensure solutions are designed for efficient installation and long-term maintainability

Cross-Functional Collaboration

• Work closely with sales, engineering, and project management teams
• Act as a technical resource for both internal teams and clients
• Support continuous improvement of security design standards and best practices

Required Qualifications

• 5+ years of experience in the physical security industry
• Experience designing enterprise security systems including:
  • Access control
  • Video surveillance
  • Intrusion detection
• Experience reviewing RFPs, technical specifications, and security drawings
• Strong understanding of security system architecture and integration
• Experience building BOMs and system designs
• Ability to collaborate across technical and business teams
• Strong communication and documentation skills

Preferred Experience

• Experience with enterprise physical security platforms and manufacturers such as:
  • Lenel OnGuard
  • LenelS2 Elements
  • Avigilon
  • Software House C
  • CURE 9000
  • Milestone XProtect
  • OpenEye Web Services
  • i-PRO
  • Hanwha Vision
  • Axis Communications

Additional Preferred Experience

• Knowledge of networking principles related to security systems
• Experience supporting system commissioning or programming
• Industry certifications such as ASIS PSP, CPP, or manufacturer certifications

About TSI

TSI Global Companies is a leading technology integrator delivering advanced AV, Structured Cabling, and Security Solutions to commercial, enterprise, healthcare, education, and government clients. As the demand for enterprise physical security systems continues to grow, our Security Division is expanding to support new opportunities and increasingly complex projects. This role provides the opportunity to work on complex enterprise security projects while helping shape the growth of TSI's Security Division. The Security Systems Architect plays a critical role in ensuring every solution we deliver is technically sound, scalable, and operationally successful.