System Engineer III

Job description

**Description**

The NASA Advanced Enterprise Global Information Technology Solutions at Leidos currently has an opening for a Senior - level System Engineer to work at Ames Research Center.

We are seeking a motivated and enthusiastic, Senior-level candidate and must be qualified to maintain the eight L3Harris 406-420 MHz radio repeaters (seven operational and one always serving as backup), primary and backup transmit and receive antenna systems, redundant transmitter combiners and receiver multi-couplers, and other directly associated radio repeater station equipment.

**Primary Responsibilities:**

+ Land Mobile Radio (LMR) System Maintenance, Operation and Customer Service Support.
+ Maintenance, programming, and repair of al P25 customer supported radios.
+ Video Systems Maintenance, Operation, Multimedia Support and Customer Support.
+ Emergency management support.
+ **Center Communications Security (COMSEC) Account Management.**
+ The programming and repair of 400 customer L3Harris and Motorola Trunking radios that support Center law enforcement, fire operations, and other functions where the radios are depended upon for safety-of-life and national security objectives.
+ This support also entails Senior-Level knowledge of the Trunking System design, development, and integration of hardware and software used in the system.

This is needed to support troubleshooting in the event of a failure or to design changes that are needed for the Trunking system.
+ The Senior-Level knowledge is also needed by The Communications (SSP) to maintain the plan, open POAMS and RBDs, and read, maintain, and create drawings.

**Basic Qualifications:**

+ The candidate must be able to obtain and maintain a **TS/SCI Clearance** .
+ Requires a Bachelors degree and 8 – 12 years of prior relevant experience.

Additional experience may be in lieu of degree requirement.
+ The candidate must be qualified to maintain the eight L3Harris 406-420 MHz radio repeaters (seven operational and one always serving as backup), primary and backup transmit and receive antenna systems, redundant transmitter combiners and receiver multi-couplers, and other directly associated radio repeater station equipment.
+ The candidate must have Senior-Level experience in the Centers Communications Security (COMSEC) Account Management.
+ The candidate will support the Ames COMSEC Account Manager (CAM) and first alternate COMSEC account manager in the capacity of the ACAM and COMSEC Clerk.
+ Must be qualified to provide video system maintenance, operation, multimedia support, and customer support.
+ Have expert knowledge and training in support of the front gate Mega sign and Barco Video wall.

This work includes design, current configuration, and future troubleshooting.
+ The candidate must be able to support the center's emergency radio Communication equipment.
+ Must have Senior-Level knowledge of the operation, and the equipment used and be able to troubleshoot it.

This will be utilized in operating the Software, developing new designs as new equipment comes along, and installing and maintaining the equipment.

**Preferred Qualifications:**

+ Harris P25 System Administration, Unified Administration Systems, Fleet Mapping (2015)
+ Harris P25 System Maintenance, Regional Network Manager; Network Operation and Maintenance (2016)
+ L-STAR (V)2 Portable Radar System (2016)
+ Zetron Series 4000 Radio Dispatch Console
+ Zetron Series 3200 E9-1-1 Telephone System
+ M/A Com EDACS Radio Trunking System & Master III Training
+ NASA Annual Security Education and Training for Clearance Holders (2025)
+ Microsoft Visio
+ Harris Open Multimedia Applications Platform (OMAP) Portable Radio Maintenance

At Leidos, we don’t want someone who fits the mold—we want someone who melts it down and builds something better.

This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good.

You’ll fit right in.

**Original Posting:**
October 22, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

**Pay Range:**
Pay Range $104,650.00 - $189,175.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary.

Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

REQNUMBER: R-00169172
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.

Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws.

Leidos is an equal opportunity employer/disability/vet.

Required Skill Profession

Other General