Cybersecurity Engineer, Sr.

About The Company RTX is a global leader in aerospace and defense, committed to delivering innovative solutions that address the world's most complex challenges. With a legacy spanning over a century, RTX employs approximately 185,000 talented professionals dedicated to advancing technology, enhancing security, and supporting national defense initiatives. The company operates across multiple market-leading sectors, including aerospace, defense, and security, leveraging cutting-edge research and development to push the boundaries of science and engineering. RTX's mission is to connect and protect people worldwide by providing reliable, innovative, and integrated solutions that meet the evolving needs of government and commercial customers. The organization fosters a culture of collaboration, integrity, and excellence, emphasizing continuous improvement and technological advancement to maintain its position at the forefront of the industry. About The Role The Cybersecurity Engineer role at RTX is a critical position based onsite in Tewksbury, MA, designed for a highly skilled professional with a strong background in cybersecurity within the defense sector. The successful candidate will be responsible for defining system-level cybersecurity requirements, developing secure architectures, and ensuring compliance with DoD and federal cybersecurity standards. This role involves analyzing security data, conducting vulnerability assessments, and guiding remediation efforts to safeguard complex Department of Defense systems. Additionally, the role includes developing cybersecurity documentation, strategies, and policies, as well as leading or supporting Authority to Operate (ATO) activities and audits. The position requires close collaboration with engineering, program teams, and stakeholders to evaluate security design alternatives and integrate security controls effectively. The role also involves championing Agile methodologies, serving as a Scrum Master, and facilitating iterative delivery of cybersecurity artifacts and documentation. The ideal candidate will be proactive, detail-oriented, and capable of working independently while supporting team objectives and maintaining high standards of security compliance. Qualifications Bachelor's degree in Cybersecurity, Computer Science, Engineering, or a related technical field5+ years of relevant experience in cybersecurity or related rolesActive and transferable U.S. government security clearance (Secret level) prior to start dateU.S. Citizenship requiredStrong understanding of cybersecurity principles, compliance requirements, and the DoD Risk Management Framework (RMF) as outlined in NIST SP 800-37Experience applying security controls, hardening standards, and vulnerability mitigation across operating systems (Windows, Red Hat Linux) and network platforms (Cisco, etc.)Hands-on experience with vulnerability scanning tools such as Nessus, OpenVAS, SCC, and interpreting results for remediationProficiency with cybersecurity documentation, configuration files, scripting, and automation toolsExperience serving as a Scrum Master or Agile team facilitator, including leading ceremonies and maintaining team metricsAbility to work effectively with cross-functional teams, stakeholders, and Product Owners to prioritize and manage cybersecurity tasks within Agile frameworks Responsibilities Define and architect system-level cybersecurity requirements for complex DoD systemsAnalyze security data, test results, and assessment findings to identify risks and drive remediation effortsPrepare, maintain, and improve RMF/ATO documentation and other cybersecurity compliance artifactsDevelop cybersecurity architecture artifacts, strategies, implementation plans, and security policiesLead or support vulnerability assessments, Authority to Operate (ATO) activities, and validation of remediation actionsCollaborate with engineering and program teams to evaluate security design alternatives and ensure secure system integrationConduct internal cybersecurity audits to verify control implementation and compliance with standardsGuide the development and testing of security controls across networks, databases, operating systems, and hardware/software componentsChampion Agile principles by serving as Scrum Master, facilitating ceremonies, removing impediments, and supporting iterative deliveryMaintain team Agile metrics, support backlog refinement, and work closely with Product Owners to align security tasks with program prioritiesDeliver high-quality cybersecurity documentation, technical evidence, vulnerability responses, and artifacts each sprint Benefits Comprehensive medical, dental, and vision insurance plansLife insurance and disability coverage (short-term and long-term)401(k) retirement plan with company matchFlexible spending accounts (FSAs) and health savings accounts (HSAs)Flexible work schedules and telecommuting options where applicableEmployee assistance programs and wellness resourcesEducational assistance through Employee Scholar ProgramPaid time off, holidays, and parental leave benefitsPotential eligibility for annual incentive compensation programs based on performance Equal Opportunity 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, veteran status, or any other protected class under applicable federal, state, or local laws. RTX is committed to fostering an inclusive environment and provides affirmative action in employment for qualified individuals with disabilities and protected veterans, in accordance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.