RTX · 20 hours ago
GSS Cybersecurity Senior Estimator - Tewksbury, MA; Tucson, AZ; OR McKinney, TX
US-MA-TEWKSBURY-TB2 ~ 50 Apple Hill Dr ~ SUDBURY BLDG, Tewksbury Tb2 200 Sudbury
Full-time
Onsite
Mid, Senior Level
$108K/yr - $204K/yr
5+ years expRTX is a company dedicated to helping the nation and allies defend freedoms and deter aggression. They are seeking a Cybersecurity Senior Estimator to support proposal and capture efforts within GSS Cybersecurity, ensuring bids meet U.S. Government requirements and developing accurate cost estimates for projects.
AerospaceManufacturingSecuritySensorTelecommunications
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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 multiple 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
Willingness to gain special access clearance for specific work activities as appropriate
Ability to travel 10% of the time
Qualification
Required
Typically requires 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
Experience in proposal estimation, capture efforts, or project management
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
Ability to obtain and maintain a U.S. Government issued security clearance; U.S. citizenship is required
Preferred
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, or PMP
Control Account Management (CAM), Earned Value Management System (EVMS), 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)
Benefits
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
Holidays
Company
RTX
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$3.2MKey Investors
LIFT Ecosystem Accelerator
2024-02-22Grant· $0.2M
2019-06-09Acquired
2010-01-14Grant· $3M
Leadership Team
Daniel Conroy
Chief Technology Officer - Digital
Kevin DaSilva
Corporate Vice President & Treasurer
Recent News
bloomberglaw.com
2026-01-22
Business Insider
2026-01-09
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