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Access Control System Jobs in Missouri (NOW HIRING)

PASS Security

Service Technician

Saint Louis, MO · On-site

About PASS Security PASS Security installs and services electronic security systems for commercial, residential, and industrial customers, specializing in intrusion, access control, and video ...

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Access Control System information

See Missouri salary details

$57.2K

$102K

$164.6K

How much do access control system jobs pay per year?

As of Jun 13, 2026, the average yearly pay for access control system in Missouri is $102,032.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,800.00 and $118,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Access Control System Specialist, and why are they important?

To thrive as an Access Control System Specialist, you need a solid understanding of electronic security principles, wiring, and network protocols, often backed by relevant technical certifications or vocational training. Familiarity with specific access control software (such as Lenel, HID, or Honeywell), security hardware, and integration with IT systems is typically required. Strong troubleshooting, attention to detail, and effective communication are essential soft skills in this role. These competencies are crucial to ensure secure, reliable, and compliant access management for organizations’ facilities and data.

What are the most common challenges faced by Access Control System technicians during installations and how can they be addressed?

Access Control System technicians often encounter challenges such as integrating new systems with existing security infrastructure, troubleshooting hardware or software compatibility issues, and working in varied physical environments. To address these challenges, technicians usually conduct site assessments beforehand, maintain open communication with IT and security teams, and stay updated on the latest technologies and best practices. Collaboration and ongoing training are key to ensuring smooth installations and efficient problem-solving.

What is the difference between Access Control System vs Security Technician?

AspectAccess Control SystemSecurity Technician
CredentialsCertifications in security systems, electronics, or ITSecurity licenses, electronics or technical certifications
Work EnvironmentInstalling, maintaining, and programming access control hardware/softwareMonitoring, troubleshooting, and repairing security systems on-site
Employer & IndustrySecurity system providers, commercial and residential buildingsSecurity service companies, alarm companies, facilities management
Search & Comparison IntentUnderstanding roles in security system setup and managementTechnical repair and maintenance of security equipment

While both roles involve security systems, an Access Control System specialist focuses on installing and programming access control hardware and software, whereas a Security Technician handles the maintenance, troubleshooting, and repair of various security systems. Both roles require technical certifications and work in security-related environments, but their daily tasks and focus areas differ.

What are access control systems?

Access control systems are security solutions that manage and regulate who can enter or access specific areas, buildings, or digital resources. They use credentials such as key cards, PIN codes, biometrics, or mobile devices to grant or deny access based on predefined permissions. These systems are widely used in offices, schools, hospitals, and other facilities to enhance security and monitor movement. Modern access control systems can also provide detailed logs, integrate with other security systems, and support remote management for increased flexibility.
What are popular job titles related to Access Control System jobs in Missouri? For Access Control System jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Access Control System jobs in Missouri look for? The top searched job categories for Access Control System jobs in Missouri are:
Access Control System jobs near you

Network Engineer with IOT/OT Segmenting

Montek System

Troy, MO

Other

Posted 2 days ago

Job description

Job Title               Network Segmentation Engineer - OT Cybersecurity

Locations             Troy, Missouri

Buffalo, West Virginia, (preferred)

6-12 months contract

Job Summary / Overview

The Network Segmentation Engineer – OT Cybersecurity is responsible for designing, implementing, and managing micro-segmentation and identity-based access control strategies across enterprise and Operational Technology (OT) network environments. OT includes plant, factory, industrial, and manufacturing systems where segmentation directly affects safety, uptime, and business continuity. This role requires expert-level knowledge of software-defined access fabrics, network access control platforms, identity-based policy enforcement, and the ability to differentiate between campus-focused and data center-focused segmentation architectures to apply the right model to the right environment.

 

Key Responsibilities

•             Design, deploy, and manage micro-segmentation using software-defined access, identity-based policy enforcement, and scalable group-based tagging across wired and wireless infrastructure.

•             Implement and manage network access control platforms for authentication, authorization, device profiling, posture assessment, and dynamic policy assignment.

•             Configure and manage network automation and orchestration platforms for fabric provisioning, policy management, assurance, and visibility.

•             Define and enforce access policies that control lateral movement based on user identity, device type, location, and application context.

•             Design segmentation architectures including fabric overlays, virtual networks, control plane protocols, and data plane encapsulation.

•             Clearly differentiate and appropriately apply campus-focused software-defined access models versus data center-focused application-centric models based on environment and use case.

•             Troubleshoot complex authentication, connectivity, and policy enforcement issues within segmented network environments.

•             Partner with cybersecurity, OT, and infrastructure teams to extend segmentation into operational technology and manufacturing environments.

•             Develop and maintain architecture diagrams, policy matrices, and operational documentation for segmentation environments.

•             Support compliance and audit activities by demonstrating segmentation enforcement and access control effectiveness.

Requirements

•             Bachelor’s degree in computer science, Information Technology, Network Engineering, Cybersecurity, or a related field, or equivalent experience.

•             Expert-level experience with enterprise network access control platforms, including authentication policy design, device profiling, and group-based policy assignment.

•             Expert-level experience with network automation and fabric orchestration platforms for provisioning, policy management, and assurance.

•             Deep understanding of identity-based segmentation, including scalable group tagging, group-based access control lists, tag propagation methods, and policy matrices.

•             Strong understanding of software-defined access fabric architecture, including overlay/underlay design, control plane protocols, data plane encapsulation, and fabric node roles.

•             Ability to articulate the architectural and operational differences between campus-focused software-defined access and data center-focused application-centric segmentation.

•             Experience with enterprise switching and wireless platforms in fabric-based deployments.

•             Experience with 802.1X, MAC-based authentication, RADIUS, and TACACS+ in enterprise environments.

•             Strong troubleshooting skills across complex, multi-domain network environments.

•             Experience applying network segmentation aligned to Zero Trust principles.

•             Willingness to travel to factories and operational sites.

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