LMR Systems Engineer

7 days ago

Ashburn, VA, United States Chartis Federal Full time

Job Type

Full-time

Description

Terms: Fulltime, onsite position.

About Chartis Federal

Chartis Federal is a premier systems engineering and integration firm specializing in mission-critical IT and communications solutions for law enforcement, homeland security, and defense. As a trusted prime contractor with over $160 million in task order awards, we operate across 22 states and support essential government missions worldwide.

Our commitment to excellence has fueled our year-over-year growth, earning us recognition twice as a Washington Technology FAST 50 company and securing a place on the Inc. 5000 list for five consecutive years. At Chartis Federal, our mission is clear: keeping heroes safe and connected-on the battlefield, on the border, and in our backyards.

Position Overview

We're seeking an experienced LMR Systems Engineer with deep hands-on experience in Motorola Land Mobile Radio (LMR) networks to support a federal customer in sustaining and modernizing nationwide mission-critical communications. This engineer will take ownership of ASTRO 25 infrastructure, MCC7500 dispatch consoles, and subscriber programming, ensuring interoperability, coverage, and operational reliability in high-security environments.

Duties and Responsibilities

  • Engineer, configure, and maintain Motorola ASTRO 25 infrastructure (GTR8000, GCP8000, site controllers, comparators, and MCC7500 dispatch consoles).
  • Develop, manage, and deploy code plugs and fleetmaps for subscriber radios (portable, mobile, and control stations) using Radio Management and CPS tools.
  • Conduct system performance testing, RF coverage analysis, and diagnostics using tools such as GenWatch, LSVT, and coverage mapping software.
  • Integrate LMR systems with IP networks, ISSI/CSSI gateways, encryption modules, and dispatch/recording solutions.
  • Perform firmware and software upgrades, system patching, and network configuration updates.
  • Support field maintenance, troubleshoot coverage/interference issues, and document technical baselines.
  • Collaborate with program managers, system administrators, and federal stakeholders to maintain continuous operational readiness.
  • Provide mentoring and training to field technicians and end users on LMR operation, programming, and troubleshooting.
Requirements

Requirements:
  • Bachelor's degree in Electrical Engineering, Systems Engineering, or a related field (or equivalent experience).
  • 10+ years of experience working with Motorola LMR / P25 systems (ASTRO 25, GTR8000, MCC7500, GCP8000).
  • Demonstrated expertise with subscriber programming and fleetmap management via Motorola Radio Management.
  • Understanding of RF propagation, IP-based system integration, and encryption standards (AES/DES).
  • Experience with ISSI/CSSI, network timing and synchronization, and redundant site configurations.
  • Active DoD Secret clearance or DHS Tier 2 BI (or ability to obtain).
  • Strong documentation, communication, and analytical skills.
Preferred
  • Experience supporting federal or public safety communications systems (DHS, DOJ, DoD, state/local).
  • Familiarity with L3Harris, EF Johnson, or Tait systems for interoperability analysis.
  • Hands-on experience with RF test equipment (service monitors, spectrum analyzers, wattmeters, etc.).
Why Join Chartis Federal?

We offer a competitive compensation and benefits package, including:
  • Comprehensive health insurance (medical, dental, vision)
  • Retirement plans with company contributions
  • Professional development opportunities and career growth support
  • A dynamic and collaborative work environment where your contributions are valued

At Chartis Federal, we believe in fostering a culture of excellence, integrity, and innovation while supporting critical national security missions. Join us in shaping the future of government contracting and national security solutions.

Chartis Federal is an Equal Opportunity Employer and employs qualified individuals regardless of race, religion, color, sex, national origin, age, disability, or any other classification proscribed under applicable law. We participate in E-Verify.

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