Land Mobile Radio (LMR) Sr. Systems Administrator - Arlington, VA - Secret - Military veterans preferred

General Dynamics Information Technology (


  full-time   employee

United States

GDIT has an opportunity for an experienced Land Mobile Radio (LMR) Senior Systems Administrator working with a large line of business within GDIT that is currently supporting multiple contracts for the government in the DC Metro area. We are seeking energetic, talented individuals that have a desire to help transform customer requirements supporting the mission critical IT service for the Pentagon Force Protection Agency (PFPA).


The experienced LMR System Administrator will perform system administrative duties in support of PFPA’s mission critical land mobile radio communications systems:


GDIT currently provides preventive and corrective maintenance, engineering, and logistics services to the Pentagon Force Protection Agency (PFPA) in support of their mission critical land mobile radio communications systems.




The Senior Systems Administrator is responsible for the following activities in support of PFPA’s LMR:

Providing preventative and corrective maintenance, engineering and logistics services


 Programming, basic troubleshooting, and repairing VHF, UHF, 7/800MHz radio systems, repeaters, base stations, land mobile radios, dispatch consoles, links, antenna systems, and transmission sites.


Providing emergency response and special event communications support as needed


Providing systems administration of Harris P25 trunking system with Key Management Facility with Motorola (APX, XTS, and XTL) subscriber units.


Supporting contractual data call and reporting


Support Radio inventory accounting and reporting


Participate in remote and on call rotation for LMR support


Provide LMR Team Leadership and oversight


Provide reporting for program deliverables


Initiate review and analysis of LMR technology; facilitate meetings and coordinate upgrades and support with LMR service providers


Support Inventory and Asset Management requirements for LMR equipment




5-8 years of directly related experience in systems administration and analysis.





* Experience with P25 wide area trunking system administration and maintenance.


*Familiar with P25 subscriber programming and codeplug development (trunking and conventional) for Motorola, Harris, and EF Johnson land mobile radios.


* Knowledge of AES encryption management including KMF, OTAR, and KVL.


* Proficient with operation of Communications Systems Analyzers for troubleshooting and preventative maintenance inspection of land mobile radios.


* Experience with database systems for tracking and logging LMR assets and repairs.


* Effectively communicates with fellow team members.


* Must be able to follow written and oral instructions.


* Performs other tasks as needed.





* Minimum of 3 years experience in P25 communications systems.


* Basic knowledge and use of MSOffice and Adobe applications.





* Work location-National Capital Region


* Must be able to lift up to 50Lbs



For more than 50 years, General Dynamics Information Technology has served as a trusted provider of information technology, systems engineering, training and professional services to customers across federal, state, and local governments, and in the commercial sector. Over 40,000 GDIT professionals deliver enterprise solutions, manage mission-critical IT programs and provide mission support services worldwide. GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.




Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.


Contract Requirements:

Minimum of high school diploma or equivalent.