> Markdown version of [/jobs/ext/2293875-gss-cybersecurity-senior-estimator-sponsor](https://www.wearedevelopers.com/jobs/ext/2293875-gss-cybersecurity-senior-estimator-sponsor). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # GSS Cybersecurity Senior Estimator (Sponsor... - **Company:** RTX - **Location:** Tewksbury, MA, United States - **Experience:** Expert - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Contract - **Skills:** Cyber Security, SAP (Applications), SAP NetWeaver Business Warehouse, Apex Code, Information Technology - **Published:** August 29, 2026 - **Apply:** https://www.juju.com/job/00000000gplgr0 ## About the Role Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, + 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). ## Description 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. ## Related Videos - [Independently together: how micro-applications improve developer experience + app performance](https://www.wearedevelopers.com/videos/452-independently-together-how-micro-applications-improve-developer-experience-app-performance) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Events like RSAC Get You CISOs. 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