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RTX · MCKINNEY, TX, US

# Principal Systems Security Engineer – P4 (Onsite-McKinney,TX)

MCKINNEY, TX, US On-site Full-time Senior individual contributor Security 

Listed on RTX’s official careers site. Posted October 31, 2026. Check that it is still open and apply there.
[Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-TX-MCKINNEY-513WC--2501-W-University-Dr--WING-C-BLDG/Principal-Systems-Security-Engineer---P4--Onsite-McKinney-TX-_01886073)

[OpenNash Jobs](https://jobs.opennash.com/) / [RTX](https://jobs.opennash.com/companies/rtx/) / Principal Systems Security Engineer – P4 (Onsite-McKinney,TX)

The employer’s listing has no description we could read. See it on their site.

## At a glance
- Posted by the employer: Oct 31, 2026
- First seen by OpenNash: Nov 11, 2026
- Last checked: Nov 11, 2026
- Listed for: 11 days
- Location: MCKINNEY, TX, US
- Work arrangement: On-site
- Employment type: Full-time[Apply on RTX’s careers site →](https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-TX-MCKINNEY-513WC--2501-W-University-Dr--WING-C-BLDG/Principal-Systems-Security-Engineer---P4--Onsite-McKinney-TX-_01886073)

## Hiring at RTX
- Open jobs: 4,634
- New in the last 7 days: After two weekly collections
- Tracked since: Jul 14, 2026

[All RTX jobs](https://jobs.opennash.com/companies/rtx/) · [Weekly hiring report](/reports/hiring/)

## More jobs at RTX

### [Product Design TCDA Engineer](https://jobs.opennash.com/companies/rtx/jobs/bf8f28b6af392e6abe2e/)

MCKINNEY, TX, US

### [Principle Industrial Security Specialist - Goleta, CA](https://jobs.opennash.com/companies/rtx/jobs/fe8d392a2b868138d6cc/)

### [Program Information Systems Security Manager (ISSM) - Goleta, CA (Relocation Eligible)](https://jobs.opennash.com/companies/rtx/jobs/a6884ca662f9a0a639dd/)

### [Principal Systems and Integration Engineer (Onsite)](https://jobs.opennash.com/companies/rtx/jobs/35de02b515430401c7c1/)

TUCSON, AZ, US

### [Principal Telemetry and Flight Terminations Engineer](https://jobs.opennash.com/companies/rtx/jobs/a40618271ae723dc2ba2/)

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[Security jobs](/functions/security/)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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