Mission-Critical LMR Systems Admin — Federal Ops

Chartis Federal

Orlando (FL)

On-site

USD 90,000 - 130,000

Full time

5 days ago
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Job summary

Chartis Federal is seeking an experienced LMR Systems Administrator to support secure tactical communications operations. This role combines secure communications administration and hands-on Land Mobile Radio sustainment across OTAR, subscriber provisioning, cryptographic key management, radio maintenance, troubleshooting, and infrastructure support.

The ideal candidate brings strong experience with Motorola tactical communications environments, P25 radio systems, and mission-critical

Qualifications

  • Bachelor’s degree in Electrical Engineering, Telecommunications, RF Engineering, IT, or related field.
  • Minimum 5 years of hands-on experience supporting Land Mobile Radio systems and OTAR operations.
  • Hands-on experience with Motorola LMR platforms (APX, XTS, XTL, Quantar, GTR8000).
  • Experience with OTAR functions, cryptographic key management, subscriber provisioning, or secure communications administration.
  • Experience with Key Management Facility (KMF) systems and/or Key Variable Loaders (KVL).
  • Experience with advanced LMR programming, troubleshooting, tuning, and diagnostics.
  • Experience aligning/testing duplexers, combiners, receive multicouplers, RF infrastructure.
  • Familiarity with P25 systems.
  • Experience using Remedy, ServiceNow, MAXIMO.
  • Strong troubleshooting, analytical, and customer support skills.
  • Ability to interpret technical documentation, procedures, and maintenance instructions.

Responsibilities

  • Support Over-The-Air-Rekeying (OTAR) operations for secure tactical communications systems.
  • Issue and manage Radio Service Identifications (RSIs), IP addresses, and subscriber provisioning data.
  • Support cryptographic key management activities using KMF and KVL systems.
  • Access, update, and manage tasks using Remedy, ServiceNow, MAXIMO or equivalent.
  • Generate OTAR reports, secure voice PTT reporting, and related docs.
  • Provide first-echelon customer support for OTAR provisioning and secure comms issues.
  • Program, configure, test and tune LMR systems (portable, mobile, consolette, fixed).
  • Support Motorola LMR platforms including APX, XTS, XTL, Quantar, GTR8000.
  • Tune and test RF infrastructure components like duplexers and multicouplers.
  • Diagnose failures, prov errors, and interoperability concerns.
  • Document repair or escalation actions.
  • Maintain compliance with security and facility access requirements.

Skills

Troubleshooting
Technical analysis
Customer support
Documentation
Strong communication
Team collaboration
RF theory

Education

Bachelor’s degree in Electrical Engineering
ETA International RF certification

Tools

Remedy
ServiceNow
MAXIMO

Job description

Chartis Federal is seeking an experienced LMR Systems Administrator to support secure tactical communications operations. This role combines secure communications administration and hands-on Land Mobile Radio sustainment across OTAR, subscriber provisioning, cryptographic key management, radio maintenance, troubleshooting, and infrastructure support.

The ideal candidate brings strong experience with Motorola tactical communications environments, P25 radio systems, and mission-critical

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