Herndon, Virginia

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer-oriented Proposal Manager to join our team in the Herndon, VA. 


Interface with all levels of employees and management. Lead proposals in support of the breadth of our customers, with a focus on the Intelligence Community. The Proposal Manager will lead multi-disciplinary teams by applying iterative development techniques to develop technical, management, past performance, and personnel content for various response types including Unsolicited White Papers, Requests for Information (RFIs), Requests for Proposal (RFPs), IDIQ Task Orders, and strategic opportunities.

Responsibilities include, but are not limited to:

  • Serves as a member of a proposal leadership team to research, analyze, prepare, and submit proposals for Government projects

  • Ensures proposal submissions are compliant with applicable instructions and that they comply with company proposal best practices

  • Drives the proposal process and is proactive to meet milestones

  • Reviews solicitation requirements and recommends response strategy

  • Partners with Technical SMEs, Business Development, and Account Leads to develop the proposal response approach

  • Ensures agreed upon elements are incorporated into a cohesive and persuasive format

  • Works in conjunction with capture or business development personnel in developing and generating strategies, themes, and discriminators for responses

  • Leads and participates in proposal reviews

  • Ensures the effective application of iterative proposal development techniques in support of the maturation of proposal sections

  • Provides leadership and work guidance to less experienced personnel

Basic Qualifications:

  • BA or equivalent + 9 years related experience

  • Experience in managing tasks and resources in an uncertain, dynamic, and fluid operational environment

  • Excellent communication skills with ability to communicate and negotiate with C-Level executives internally and externally

  • Experience writing clear, logical, and persuasive responses in a variety of technical and non-technical documents

  • Experience working in a fast paced, team environment and be adaptable to changing priorities

  • Experience in cross-functional team management

  • High level of written and spoken English required

  • Expert level skills in MS Word, PowerPoint, and Excel

  • Analytical and Critical Thinking Skills Interpersonal and People Skills

Security Clearance Requirements:

  • Active TS/SCI

Physical Requirements:

  • Must be able to remain in a stationary position 50%.

  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

  • Often positions self to maintain computers in the lab, including under the desks and in the server closet.

  • Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

  • May be asked to move Audio/Visual or Computer equipment

  • Must be able to lift to shoulder height and move items, like servers, computers, racks, up to and over 25 pounds with varying dimensions.


ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information.

Herndon, Virginia

ManTech was founded in 1968 to provide advanced technological services to the United States government. We began with a single contract with the U.S. Navy to develop war-gaming models for the submarine community. Over the years, our government's technology needs have increased dramatically in scope and sophistication, and we have grown to meet that challenge.


For more than 4 decades, we kept a careful eye on where emerging technologies were taking the government, and we developed the resources to master those technologies—by staying close to our customers and anticipating their needs, hiring talented professionals to propel us into the future, and acquiring companies with proven capabilities.


Today, we are a multi-billion-dollar public company that provides the innovation, adaptability, and critical thinking our government needs for success in defense, intelligence, law enforcement, science, administration, health, and other fields—throughout the nation and in many countries throughout the world. We are now applying the lessons learned in the unforgiving arena of national security to help the private sector protect networks and critical information.

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