**ManTech** is seeking a motivated, career and customer-oriented **Senior Project Manager** to join our team in the **Reston, VA** location. This is an **onsite** position. The successful candidate will manage the requirements, taskings, planning, and releases for the program’s engineering and development teams. **Responsibilities include but are not limited to:** + Developing, in close collaboration with Sponsor management, program management, and the development and engineering teams, the technical and programmatic approaches for software and systems development + Collecting, drafting, and/or validating requirements, to include coordinating and facilitating exchange meetings or forums to determine and vet requirements, and determining gaps in current requirements + Updating, maintaining, and tracking all development requirements, planning, and associated taskings + Maintaining consistent, proactive, and timely communication with Sponsor management and other stakeholders, particularly in regards to scope, schedule, and changes in requirements + Preparing and presenting status reports, deliverables, and briefings as required + Drafting, organizing, and maintaining documentation so it is easily interpreted by all required parties + Participating in release management, quality assurance, testing, and follow-up documentation as needed + Collaborating with teammates, other service providers, vendors, and other stakeholders to build relationships and achieve objectives **Basic Qualifications:** + 10+ years of relevant experience serving as a Project Manager or similar work leading high performing teams + Experience gathering, tracking, and managing software development requirements in a complex environment + Strong ability to manage competing priorities and communication to multiple stakeholders, while managing expectations appropriately and promoting collaboration + Agile project management experience, to include experience with Agile development-related project management applications such as Jira + Strong project management skills, particularly organization, the ability to provide clear guidance, and the ability to create thorough and relevant documentation **Preferred Qualifications:** + Project Management Professional (PMP) certification desired **Clearance Requirements:** + Must have an active/current TS/SCI w/polygraph. **Physical Requirements:** + Must be able to be in a stationary position more than 50% of the time + Must be able to communicate, converse, and exchange information with peers and senior personnel + Constantly operates a computer and other office productivity machinery, such as a computer + The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations + The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.