2026 Raytheon Full Time- Cybersecurity Engineer I (Onsite)

RTX•Tewksbury, MA

1d•Onsite

About The Position

At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. This position is an onsite role in Tewksbury MA.

Requirements

Bachelor’s degree in Cybersecurity/Computer Science/Engineering or related technical field
US government issued security clearance is required after day 1.
U.S. Citizenship is required, as only U.S. citizens are eligible for a security clearance.
Experience in cybersecurity, compliance, and NIST risk management framework (RMF).
Experience with ACAS (Tenable).

Nice To Haves

Experience with security features and/or vulnerability of various operating systems as defined by NSA, NIST, DISA (STIGs) and USCYBERCOM.
Experience with network and system security administration, including operating system security configuration and account management best practices for MS windows and/or Red Hat Enterprise Linux
Security related Network (e.g. Cisco) and Operating System certification or training.

Responsibilities

Prepare and maintain compliance security related documentation (example: System Security Plans, Cybersecurity Reports, etc.)
Define cybersecurity requirements, design, and architecture artifacts, strategy, plans, and policies.
Perform vulnerability assessments, defining, negotiating, and executing Assessment and Authorization (A&A) events.
Collaborate with program and engineering disciplines and ensuring cybersecurity solution alternatives.
Execute ACAS (Tenable) scans across classified and unclassified environments; analyze findings and validated remediation in accordance with NIST RMF requirements.
Develop and maintain NIST‑aligned vulnerability management processes, including ACAS scans, findings, reporting, and POA&M integration.
Define security controls of networking devices, operating systems, and hardware and software components.
Support travel as needed.