Date Posted: 2025 10 17 Country: United States of America Location: MA133: Tewksbury, Ma Bldg 3 Concord 50 Apple Hill Drive Concord Building 3, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling â 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. We have an on site opportunity for a Senior Cybersecurity Engineer within our Application and Tactical Software Department in Tewksbury Massachusetts. The Department's mission is to provide world class software for air defense systems. As part of this team, you will support definition of security architecture, requirements, design, and implementation as well as Cyber resiliency and threat awareness. This position is a fulltime onsite role in Tewksbury MA. What You Will Do: Define security requirements and design solutions, providing guidance and direction related to security technologies. Reverse engineering Windows/Linux executables (Ghidra/IDA, x64dbg/WinDbg/LLDB, radare2, Frida). Code review across at least two families (preferably, C/C and Python) to find logic flaws. Turn vuln data (Nmap/Nessus/ACAS/SAST) into scoped host and network pentest plans with clear objectives, hypotheses, and success criteria. Write actionable reports: risk, reproduction, PoCs, prioritized remediation mapped to CWE/CVSS/ATT&CK. Perform analysis on security collected data and test results. Identify and implement security design and prepare and maintain engineering and security related documentation. Define and develop cybersecurity requirements, design, and architecture artifacts, strategy, plans, and policies. Perform and/or provide guidance and oversight on vulnerability assessments, defining, negotiating, and executing Assessment and Authorization (A&A) events. Collaborate with program and engineering disciplines and ensure cybersecurity solution alternatives. Conduct cybersecurity audits to ensure appropriate implementation and compliance of the security posture developing SSP's and POA&M's. Define security development and test efforts implementation of security controls of networking devices, databases, operating systems, and hardware and software components. Conduct technical and nontechnical trade studies, analysis, reviews identify. Qualifications You Must Have: Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics and a minimum of 5 years of experience. Experience in cybersecurity, compliance, and risk management framework. Qualifications We Prefer: Experience with security features and/or vulnerability of various operating systems as defined by NSA, NIST, DISA (STIGs) and USCYBERCOM. 2â 4 years of hands on experience in offensive security, reverse engineering, or exploit development. Experience with network and system security administration, including operating system security configuration and account management best practices for MS Windows, Red Hat Enterprise Linux, and Cisco Systems. DoDI 8570.01 M IAT Level III Compliant Certification (CISSP, CCNP Security, CISA, etc.) Familiar with Ghidra/IDA, x64dbg/WinDbg, Burp Pro; Nmap; Python/C/C#/PowerShell/Bash; Wireshark/Zeek Security related Network (e.g. Cisco) and Operating System certification or training. Ability to support periodic travel. What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Learn More & Apply Now! Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm We Are RTX As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in person at one of our office locations, regardless of whether the role is designated as on site, hybrid or remote. The salary range for this role is 82,000 USD 164,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short term disability, long term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective bargaining agreement. Hired applicants may be eligible for annual short term and/or long term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S. based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry leading businesses â Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.