Principal System Security Engineer (Cybersecurity) - P4 (Onsite-Tewksbury, MA)
RTX
tewksbury, MA · Posted October 19, 2026
Just laid off? Start here: a plan for the first weeks
More in Massachusetts job market · Aerospace & Defense · Security jobs
More roles at RTX
- Research Engineer, Acoustics
- Principal Specialist - Engineering Services & Support (Onsite) · marlborough, MA
- Principal Photonics Integrated Circuit Test Engineer · san diego, CA
- Principal Specialist, Procurement - New Product Introduction · windsor locks, CT
- Principal Specialist, Security - Aurora, CO · aurora, CO
- Contracts Manager - Government Contracts (Hybrid) · windsor locks, CT
Similar jobs
- Senior Network Security Engineer · Rockland Trust Company · Plymouth, MA
- Principal AI Security Specialist - East · Zscaler · MA
- Senior Information System Security Engineer · Odyssey Systems Consulting · Hanscom AFB, MA
- Senior Security Engineer - Enterprise · Compass · Boston, MA
- Staff Security Engineer, Product Security And Architecture · Compass · Boston, MA
- Cyber Defense Principal Engineer · Alnylam Pharmaceuticals · Cambridge, MA
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. 2026-10-19Country. United States of America Location. US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Position Role Type. Onsite. U.S. Citizen, U.S. Person, or Immigration Status Re...