Senior Manager, GSA AAS Proposals

Title:

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions. 

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact. 

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment. 

The Senior Manager, GSA AAS Proposals leads proposal operations supporting high-priority GSA Assisted Acquisition Services (AAS) pursuits. This role provides leadership for Proposal Managers, Slide Architects, Content Developers, and proposal support personnel responsible for delivering compliant, compelling, and customer-focused proposals that support strategic growth objectives.

Partnering closely with Capture Management, Business Development, Operations, Pricing, Contracts, and Technical Leadership, the Senior Manager is responsible for proposal execution, resource planning, workload management, and proposal quality across the AAS portfolio. This role may also serve directly as Proposal Manager on strategic pursuits and requires deep experience managing complex AAS opportunities from pre-RFP planning through final submission.

Key Responsibilities

Proposal Leadership & Execution

• Lead proposal operations supporting GSA AAS opportunities.

• Serve as Proposal Manager for strategic, high-value, or high-visibility pursuits when required.

• Oversee proposal planning, scheduling, content development, reviews, production, and submission activities.

• Ensure proposal responses are compliant, compelling, customer-focused, and aligned with solicitation requirements and evaluation criteria.

• Lead Proposal Coordinators, Slide Architects, and Content Developers, and other proposal support resources to ensure efficient proposal execution, high-quality deliverables, and adherence to established schedules, review processes, and submission requirements.

• Oversee proposal execution across technical, management, transition, staffing, past performance, oral presentation, and pricing support volumes.

• Partner with Capture Managers to translate win strategies, customer insights, and discriminators into effective proposal content.

Team Leadership & Resource Management

• Lead, mentor, and develop Proposal Managers, Slide Architects, Content Developers, and proposal support personnel.

• Establish performance expectations and support employee development and capability-building initiatives.

• Allocate resources across concurrent pursuits to meet business priorities and deadlines.

• Provide coaching and guidance on proposal management best practices, AAS requirements, and customer-focused storytelling techniques.

• Foster a culture of collaboration, accountability, continuous improvement, and proposal excellence.

Process Improvement & Capability Development

• Support development and implementation of proposal processes, tools, templates, and best practices that improve efficiency and quality.

• Support AAS-specific best practices, lessons learned repositories, content libraries, and reusable proposal assets.

• Identify opportunities to leverage automation, technology, and AI-enabled tools to enhance proposal effectiveness.

• Support initiatives that strengthen proposal readiness, content development maturity, and cross-functional collaboration.

Stakeholder Collaboration

• Collaborate with Business Development, Capture, Pricing, Contracts, Operations, Solutions, and Executive Leadership throughout the pursuit lifecycle.

• Support bid/no-bid decisions, proposal strategy development, competitive assessments, and solution development activities.

• Coordinate executive reviews and leadership engagement at key proposal milestones.

Quality & Compliance

• Ensure proposal submissions comply with solicitation requirements, company processes, and applicable regulations.

• Conduct proposal reviews to assess compliance, responsiveness, and overall proposal quality.

• Identify proposal risks, content gaps, and schedule challenges and implement mitigation strategies.

• Promote disciplined proposal development practices that result in consistently high-quality submissions.

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Basic Qualifications

Education & Experience

• Bachelor's degree in Business, Communications, English, Marketing, Technical Writing, Management, or a related field.

• 8-10+ years of federal proposal experience supporting GSA AAS pursuits, including 3+ years leading proposal teams and proposal professionals.

• Demonstrated success managing complex federal proposals from pre-RFP planning through contract award, including service as Proposal Manager on AAS opportunities.

• Experience managing multiple concurrent pursuits in fast-paced, matrixed, and deadline-driven environments.

Skills & Competencies

• Strong leadership, communication, organizational, stakeholder management, and cross-functional collaboration skills.

• Expertise in proposal management, scheduling, facilitation, and execution of complex federal pursuits.

• Extensive knowledge of GSA AAS a procurement processes, FAR requirements, and federal acquisition practices.

• Demonstrated ability to interpret solicitation requirements, including Sections L and M, and translate them into winning proposal strategies.

• Strong analytical, problem-solving, and decision-making capabilities with the ability to balance competing priorities.

• Experience using proposal management, content management, collaboration, and AI-enabled proposal development tools.

• Advanced proficiency with Microsoft Office Suite, including Word, PowerPoint, and Excel.

Preferred Qualifications

• APMP Foundation, Practitioner, or Professional Certification.

• Experience supporting large-scale, multi-award contract vehicles and government-wide acquisition programs.

• Active Secret or Top Secret security clearance.

• Demonstrated success implementing proposal process improvements that increased proposal quality, efficiency, or win rates.

Additional Compensation: KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels, per internal policy or contractual designation. Additional compensation may be in the form of sign on bonus, relocation benefits, short term incentives, long term incentives, or discretionary payments for exceptional performance.

Benefits: KBR offers a selection of competitive lifestyle benefits which could include a 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

About Us

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact

Fraud Alert

As Trinzic prepares to launch as an independent company through the planned spin-off of KBR's Mission Technology Solutions business, job seekers may encounter fraudulent recruiting activity that improperly uses the names, logos, or branding of either Trinzic or KBR.
Bad actors may mix in fake job advertisements with legitimate postings. These ads can include contact instructions and require job seekers to send sensitive personal information or money to pay for visa applications, processing fees, etc., in exchange for consideration for a high-paying position. 
 
Neither Trinzic nor KBR will ever ask for any sort of advance payment as part of the recruiting or hiring process. Candidate profiles are carefully managed to protect personal information.  If you experience fraud in a job offer, we encourage you to contact the KBR ethics hotline (fhoukbrcode@kbr.com) and report it to the Federal Trade Commission by clicking here.