Sr. Project Manager

The Digital Modernization Sector within Leidos has an opening for a Sr. Project Manager for the DTRA I3TS contract at Fort Belvoir, VA.  

The Project Manager supports the planning, execution, and monitoring of multiple, simultaneous projects within the GSM-O II contract supporting DISA. This role ensures projects are completed on time, within scope, and on budget. The Project Manager collaborates with cross-functional teams and stakeholders, driving delivery of high-quality results for DISA and its Mission Partners.

Clearance: Must have an Active DoD TS/SCI Clearance to be considered. Must be a U.S. Citzen.

Primary Responsibilities

• Assist with the planning and implementation of projects, ensuring adherence to timelines, budgets, and scope.

• Assist with the development of proposals for new project scope as well as the continuation/expansion of existing project scope.

• Define and document project team roles, responsibilities, and authorities, ensuring clarity and accountability throughout the project lifecycle.

• Support project operations, communications, and reporting for the Senior Program Manager and Integration Services Manager.

• Monitor and follow up on project action items, ensuring timely completion and communication of progress.

• Identify and assist with resolution of project-related risks/issues and dependencies/obstacles in a timely and effective manner.

• Support process improvements, including identifying inefficiencies and recommending solutions to streamline project execution.

• Oversee and manage project artifacts, documentation, and deliverables, including CDRLs, reports, and presentations.

• Develop and maintain project schedules, tracking progress, dependencies, risks, and delays.

• Support project budget management and financial tracking to ensure compliance with commitments.

• Coordinate with internal and external stakeholders, including customers, partners, and leadership.

• Ensure project tasks are completed in compliance with company and customer policies, quality standards, and regulatory requirements.

• Support staffing actions, onboarding, and coordination with managers on staffing plans and approval of timesheets and expense reports.

• Compile and generate data for presentations and status updates using project management tools and Microsoft Office suite. 

Basic Qualifications

• Active DoD TS/SCI Clearance

• Bachelor's degree and 8 years of prior relevant experience or 6 years with a Master's degree (additional experience, education and training may be considered in lieu of degree)

• Excellent written and oral communications skills and management abilities

• Project Management experience including managing multiple projects in parallel

• MS Project experience 

• Expertise in identifying areas of improvement, critical dependencies, and process changes that enable the Government to attain integrated outcomes that are effective, efficient, sustainable, and improve customer satisfaction.

• Experience coordinating with multiple technical and operational teams to achieve the necessary program, project or activity plans, and schedules while maintaining within budget guidelines.

• Experience in assigning tasks to contractor personnel that are located in multiple time zones, supervising on-going technical efforts, and managing contract performance on new task orders and projects identified by the customer.

Preferred Qualifications

• PMP Certification

• ITIL Certification

• DISA or DoD Experience

• Experience managing projects involving network infrastructure deployment

• Operational Engineering knowledge/experience

• External Referral Eligible

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 13, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos