GSS Cybersecurity Senior Estimator II - Tucson, AZ; Tewksbury, MA or McKinney, TX (Sponsor Clearance)

Job description

Date Posted: 2026-08-26 Country: United States of America Location: US-AZ-TUCSON-M05 ~ 1151 E Hermans Rd ~ BLDG M05 (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Our cybersecurity team is seeking a Cybersecurity Senior Estimator to support our team 100% onsite at our facility in McKinney, Texas, Tewksbury, Massachusetts, OR Tucson, Arizona. As a Global Security Services (GSS) Cybersecurity Senior Estimator, you will be the focal point for proposal and capture efforts within GSS Cybersecurity, collaborating closely with Cybersecurity Leads and Information Systems Security Managers (ISSM) to ensure bids meet U.S. Government cybersecurity requirements for classified information systems. In this cross-functional role, you will develop accurate cost estimates based on proposal requirements and the scope of work, while providing comprehensive GSS Cybersecurity support from proposal to startup and sustainment. This position requires proactive engagement with the Capture Team, Engineering, Digital Technologies (DT), and other stakeholders to ensure proposals are thorough and aligned with GSS Cybersecurity needs. What You Will Do Develop accurate cost estimates based on proposal requirements and GSS Cybersecurity scope of work. Collaborate with the Capture Team, Engineering, and DT to document functional requirements and translate them into GSS Cybersecurity Basis of Estimates (BOEs). Validate and analyze actuals, ensuring consistency in task descriptions and a sound estimating approach. Communicate effectively with leadership levels to revise proposals based on feedback and ensure timely submissions. Train, mentor, and educate less experienced GSS Cybersecurity professionals, including estimators, on BOEs, proposal processes, and Earned Value Management System (EVMS) practices. Manage changes in the GSS Cybersecurity scope of work and ensure they are accurately reflected in BOEs. Qualifications You Must Have Typically a University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience. 2 years of experience in proposal estimation, project management, or a related role, preferably within the cybersecurity sector. Experience with Federal Acquisition Regulation (FAR), Defense Federal Acquisition Regulation Supplement (DFARS), Truth in Negotiations Act (TINA), and other government procurement regulations related to bid/cost proposals. Experience in estimation tools and software. The ability to obtain and maintain a U.S. government issued security clearance PRIOR TO START is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer Active and transferable U.S. government issued security clearance. Knowledge of contracts, Statements of Work (SOWs), BOEs, and cybersecurity processes and practices. Experience with contract negotiation and management. Relevant certifications such as APMP, CISSP, CISM, or PMP. Control Account Management (CAM), Earned Value Management (EVM), or Project Management Institute (PMI) certification. Familiarity with APEX/SAP Managed Programs finance module and Business Warehouse or similar systems. Understanding of industry regulations and standards (e.g., NIST, DAAPM, JSIG). What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Non-Eligible – Relocation assistance not available 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. We are RTX #LI-Onsite 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 107,500 USD - 204,500 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