Radio Infrastructure Software Test Specialist
Core
Rigorous validation of mission-critical voice and data infrastructure for public safety radio systems to ensure first responders have an always-ready communication backbone.
Role type
Software Test Specialist (Public Safety LMR Radio Infrastructure)
Builds
Digital trunked simulcast systems, dispatch consoles, and core network controllers for public safety agencies.
Domain
Public Safety / Critical Communications / Radio Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Python, Perl, Linux Shell Scripting, Wireshark, OS virtualization (VMware/VirtualBox), IPv4/IPv6, Subnetting, VLANs, Multicast, Linux command-line (RHEL/CentOS/Ubuntu), Windows Server
Preferred skills
Cisco/Juniper network programming and troubleshooting, LMR radio systems knowledge (P25 Phase I/II, ISSI, CSSI), RF methodologies
Responsibilities
Design and execute test plans for P25 infrastructure components (controllers, base stations, gateways, switches, routers, servers); Perform deep-packet analysis of LMR-specific interfaces (ISSI, CSSI); Conduct redundancy testing to verify system resilience; Validate end-to-end encryption (AES-256) and OTAR software workflows.
Seniority
Mid-level (2–4 years experience)