L3HHCM20
Specialist, Systems Engineering
L3HHCM20 is hiring a Specialist, Systems Engineering in Greenville, TX, US. Posted September 23, 2026.
Job at a glance
- Company
- L3HHCM20
- Location
- Greenville, TX, US
- Sector
- Engineering & Technology
- Posted
- September 23, 2026
About the job
Job Title: Specialist, Systems Engineer - COMMS/RF
Job Code: 44713
Job Location: Greenville, TX
Schedule: 9/80 - Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off
Job Description:
Qualified candidates should possess RF/COMMS engineering experience to provide system level engineering guidance and leadership to contributing disciplines within an RF/COMMS systems engineering group.
Essential Functions:
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Perform systems level requirements, design, test, and integration of RF and Communications systems on various air and ground platforms.
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Interfaces with the customer to determine system specific requirements.
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Design and test wideband systems in Ku, Ka, L-S-C and X bands.
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Design and test communications systems for HF, V/UHF LOS, and UHF Satcom systems.
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Design encryption systems for IP, Voice and data systems.
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Work with tactical systems such as IBS, Link 16 and Link 22.
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Perform link budget analysis, cosite analysis, and cascade analysis.
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Able to read, interpret, create, and maintain spreadsheets, charts, reports, investigation and test plans, and procedures.
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Supports/perform RF systems and antenna installation/test both on and offsite.
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Candidate must be physically able to climb antenna towers for installation, test, and repairs of communication systems.
Qualifications:
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Active US Secret security clearance.
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Bachelor’s Degree and minimum 4 years of prior relevant experience.
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Graduate Degree and a minimum of 2 years of prior related experience.
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In lieu of a degree, a minimum of 8 years of equivalent combination of education and/or related COMMS/military experience may also be considered.
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Demonstrated experience with COMSEC and cryptological devices.
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Demonstrated experience with engineering wiring diagrams and related drawings.
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Demonstrated experience with RF test equipment including network analyzers and spectrum analyzers.
Preferred Additional Skills
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RF proto-typing and assembly skills for quick reaction capabilities.
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Knowledge of EMI mitigations techniques.
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Experience with tools such as DOORS, JIRA, Mentor Graphics, MBSE.
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Uses Part Smart, Teamcenter and associated tools.
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Experience researching/selecting cables, connectors and RF components.
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Experience with RC-135 Big Safari aircraft is highly desirable.
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Ability to obtain a Class III flight certification is desirable.
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