Physical Security Systems Engineer

TWG SECURITY; Emmaus (PA); On-site; USD 60,000 - 80,000; Full time

Benefits offered by this job

401k with 100% match on the first 6%

Flexible vacation / paid time off

Professional development plan

Job summary

TWG Security seeks a Physical Security Systems Engineer to lead technical delivery from handoff through configuration, commissioning, and turnover. You will integrate video, access control, and intrusion systems with client business platforms, often at API level, while aligning with project managers on schedules and logistics.

The role emphasizes learning varied platforms, system integration, and real-time problem solving, with responsibilities spanning networks, Linux servers, and client

Qualifications

• 5+ years in networking, systems integration, IT infrastructure, or security technology.
• Networking fundamentals: routing, switching, VLANs, subnetting, DHCP/DNS, PoE, firewalls, and wireless.
• Working knowledge of commercial access control systems.
• Ability to read API documentation and reason about data exchange — REST, webhooks, authentication. Software development experience is not required.
• Valid driver's license and ability to travel to client sites within approximately 2.5 hours of Emmaus, PA.

Responsibilities

• Review sold scope, drawings, BOMs, network requirements, and system architecture; identify technical gaps before deployment.
• Develop the technical implementation plan with the Project Manager.
• Configure and commission video surveillance, access control, and intrusion systems.
• Build integrations between security platforms and client business systems, including API-level work.
• Design, configure, and troubleshoot supporting networks: routing, switching, VLANs, subnetting, DHCP/DNS, PoE budgeting, firewalls, VPNs, wireless, LTE/5G, multi-WAN failover.
• Build and administer Linux servers and storage: Ubuntu/Debian CLI, RAID, retention and bandwidth calculations, backups, and remote administration.
• Serve as the technical escalation point for field technicians and project teams.
• Coordinate with client IT departments on network, server, and cybersecurity requirements.
• Manage licensing, firmware, manufacturer escalations, and RMAs.
• Deliver client training and complete technical system turnover.
• Maintain network diagrams, IP schemas, configurations, as-builts, and service documentation.
• Contribute to TWG's internal integrations, automation, and technology tooling.

Skills

Networking

Systems integration

IT infrastructure

Security technology

Communication

Travel readiness

Documentation

Tools

Linux (Ubuntu/Debian)

API integration

REST APIs

Virtualization

Job description

Position: Physical Security Systems Engineer

Job Type: Full-Time

TWG Security turns passive security systems into proactive ones. Since 2007, we've designed, installed, and serviced integrated enterprise security for organizations across Eastern PA and NJ — recognized by Inc. 5000 and Lehigh Valley Business as one of the fastest-growing companies in our industry and region. We partner with Motorola Solutions/Avigilon, Verkada, Axis, Network Optix, Genea, Peplink, and Software House to give clients big-player capability with local, face-to-face service.

The Physical Security Systems Engineer is the technical lead on a project once it has been sold. You take the system from engineering handoff through configuration, commissioning, integration, documentation, client training, and turnover. The Project Manager owns schedule, labor, and logistics. You own the technology. A significant portion of the role is system integration — connecting video, access control, intrusion, and client business systems to each other, frequently at the API level. TWG also builds internal integrations and automation against the platforms we run the company on, and this position contributes to that work. Our technology stack changes regularly. The role requires learning unfamiliar platforms independently rather than specializing in a single manufacturer.

Local commutable candidates to the Lehigh Valley, PA Only (No 3rd party applications)

Primary Duties and Responsibilities

• Review sold scope, drawings, BOMs, network requirements, and system architecture; identify technical gaps before deployment.
• Develop the technical implementation plan with the Project Manager.
• Configure and commission video surveillance, access control, and intrusion systems
• Build integrations between security platforms and client business systems, including API-level work
• Design, configure, and troubleshoot supporting networks: routing, switching, VLANs, subnetting, DHCP/DNS, PoE budgeting, firewalls, VPNs, wireless, point-to-point links, LTE/5G, and multi-WAN failover
• Build and administer Linux servers and storage: Ubuntu/Debian CLI, RAID, retention and bandwidth calculations, backups, and remote administration
• Serve as the technical escalation point for field technicians and project teams
• Coordinate with client IT departments on network, server, and cybersecurity requirements
• Manage licensing, firmware, manufacturer escalations, and RMAs
• Deliver client training and complete technical system turnover
• Maintain network diagrams, IP schemas, configurations, as-builts, and service documentation
• Contribute to TWG's internal integrations, automation, and technology tooling

Required Qualifications

• 5+ years in networking, systems integration, IT infrastructure, or security technology
• Networking fundamentals: routing, switching, VLANs, subnetting, DHCP/DNS, PoE, firewalls, and wireless
• Working knowledge of commercial access control systems
• Ability to read API documentation and reason about how systems exchange data — REST, webhooks, authentication. Software development experience is not required
• Ability to troubleshoot across cabling, devices, networks, servers, software, and integrations
• Effective communication with field technicians, clients, IT departments, and manufacturers
• Valid driver's license and ability to travel to client sites within approximately 2.5 hours of Emmaus, PA

Preferred Qualifications

• Integration and automation: Python or Bash; REST API integration work; MCP or other AI-to-system integrations; AI-assisted development; working use of Claude, ChatGPT, or Gemini; workflow automation platforms; video analytics and computer vision.
• Platforms and infrastructure: Peplink, Ubiquiti, or Aruba; Avigilon, Nx Witness, Verkada, Axis, Hanwha, Genea, or Software House; large-scale video storage design; Docker or virtualization; low-voltage or structured cabling; CCNA, Network+, or manufacturer certifications.

Work Environment & Physical Demands

• Regular and Timely Attendance
• Full-time position with standard working hours
• Must be able to stand or sit for long periods of time (up to 4 hours)
• Comfortable using computers, tablets, and mobile applications as part of daily workflow
• Must pass initial and random substance abuse tests & background checks
• $60,000 – $80,000 per year, based on experience and qualifications
• Company 401k with a 100% match on the first 6% of contributions
• Flexible vacation / paid time off (subject to company policy)
• Salary increases based on job performance, ability to handle increasing levels of responsibility, completion of relevant manufacturer certifications, and overall state of the company
• Professional development plan designed to help you achieve your professional goals