Cybersecurity Senior Estimator (Proposal/Capture Efforts) - Tewksbury, MA

Cybersecurity Senior Estimator –Tewksbury, Massachusetts We are seeking a Cybersecurity Senior Estimator to support our Global Security Services (GSS) team 100% onsite at our facility in Tewksbury, Massachusetts. The role focuses on proposal and capture efforts, developing accurate cost estimates, and ensuring bids meet U.S. Government cybersecurity requirements for classified information systems. Responsibilities Develop accurate cost estimates based on proposal requirements and GSS Cybersecurity scope of work. Collaborate with the Capture Team, Engineering, and Digital Technologies 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 multiple leadership levels to revise proposals based on feedback and ensure timely submissions. Train, mentor, and educate less experienced GSS Cybersecurity professionals 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. Provide willingness to gain special access clearance for specific work activities as appropriate. Travel up to 10% of the time. Required Qualifications University degree or equivalent experience and minimum 8 years of prior relevant experience; or an advanced degree and minimum 5 years of experience. Experience in proposal estimation, capture efforts, or project management. Experience with FAR, DFARS, TINA, and related federal acquisition regulations. Ability to obtain an Interim Secret U.S. government issued security clearance prior to start date. Preferred Qualifications Active and transferable U.S. government issued security clearance is highly desirable. Knowledge of contracts, Statements of Work (SOWs), BOEs, and cybersecurity processes and practices. Experience with contract negotiation and management. Relevant certifications such as CISSP, CISM, PMP, CAM, EVMS, or PMI. Familiarity with APEX/SAP Managed Programs finance module and Business Warehouse or similar systems. Understanding of industry regulations and standards such as NIST, DAAPM, JSIG. Eligibility & Clearances U.S. citizenship is required. Applicants must be able to obtain an active and transferable DoD Secret clearance prior to start date. Interim clearance may be obtained before start. Ability to receive special access clearance for specific work activities is required. Compensation & Benefits Salary range: $107,500 – $204,500 USD. Benefits include medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, parental leave, paid time off, and holidays. Relocation assistance is not available. 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 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. #J-18808-Ljbffr