Principal Systems Security Engineer – P4 (Onsite-McKinney,TX)
RTX
mckinney, TX · Posted October 30, 2026
Just laid off? Start here: a plan for the first weeks
More in Texas job market · Aerospace & Defense · Security jobs
More roles at RTX
- Senior Principal Mechanical Engineer (Onsite) · goleta, CA
- Naval Radar - Principal Systems Engineer · marlborough, MA
- Alternate Missions & Space Principal Financial Analyst · tucson, AZ
- Principal Transmissions Design Engineer (Onsite)
- Principal System Safety Engineer · woburn, MA
- Principal HWIL Software Engineer · tucson, AZ
Similar jobs
- Principal Product Security Response Engineer - AI and Automation · Hewlett Packard Enterprise · Spring, TX
- Principal Security Software Engineer (Starlink) · SpaceX · Austin, TX
- Principal Security Software Engineer (Starlink) · SpaceX · Bastrop, TX
- Lead, Information Security Systems Engineer · L3HARRIS Technologies · Waco, TX
- Manager, Information Security Systems Engineer · L3HARRIS Technologies · Greenville, TX
- Cybersecurity Solution Architect, Sr · Entergy · The Woodlands, TX
Security jobs in the rankings
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
How AI is used in this kind of work
Among computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
RTX has filed 6 layoff notices in the last twelve months, covering 25 workers, most recently October 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
About the job
Date Posted. 2026-10-30Country. United States of America Location. US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG Position Role Type. Onsite. U.S. Citizen, U.S. Person, or Immigration Statu...