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
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 OfferOur 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.
#LI-Onsite
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.
