Job Description

Leidos is seeking an accomplished Principal Program Scheduler to provide strategic scheduling leadership within our Kinetic Effects division within the Defense Systems Sector.

In this dynamic role, you will serve as a principal scheduling authority within the Common Hypersonics Glide Body portfolio, entrusted by program leadership to develop and manage the Integrated Master Schedule, drive effective scheduling solutions, and maintain alignment among technical execution, resources, risks, and overall program objectives. This role is ideal for a scheduling professional who excels in a fast-paced, highly collaborative environment and wants to apply their expertise to programs that support our national defense.

The Principal Program Scheduler will be an integral part of the larger enterprise-wide Leidos Corporate Earned Value Management (EVM) Center of Excellence (COE) The Leidos Corporate EVM COE is a team-leading and executing the core responsibilities of scheduling, planning, EVMS, the associated infrastructure and tools, implementations, training, and surveillance for Leidos.

Key Responsibilities:

• Serve as a primary scheduling leader, shaping program strategies through advanced scheduling practices.
• Partner with program managers, IPT Leads, and technical staff to influence decision-making and optimizing program performance.
• Work Independently with minimal daily oversight.
• Present schedule insights, risks, and “what-if” scenarios to senior program and customer stakeholders, often shaping contract execution strategies
• Provide the “why” - demonstrating the ability to clearly communicate schedule analysis, execution metrics, and overall program understanding through a cost informed scheduling perspective.
• Build and maintain complex Integrated Master Schedules (IMS) compliant with EIA-748 standards and industry best practices (PASEG, NDIA).
• Lead the Schedule Risk Assessments (SRA) to quantify risk exposure and create actionable mitigation strategies.
• Implement program scheduling business rhythms & controls.
• Develop scheduling artifacts to meet contractual/project requirements.
• Significant interface with program leadership

Basic Qualifications:

• Bachelor’s degree with 12+ years, or a Master’s degree with 10+ years of progressive Aerospace & Defense scheduling experience (or equivalent experience in lieu of degree).
• Recognized expertise in programmatic scheduling and Earned Value Management (EVM) principles, with proven success leading schedule management on large, complex programs.
• Advanced mastery of Microsoft Project and scheduling analytics.
• U.S. citizenship with ability to obtain and maintain a Secret Clearance
• Ability and willingness to work onsite in Huntsville Alabama
• Intermediate to advanced expertise using Structured Solutions Inc. (SSI) Tools for Microsoft Project
• Strong command of advanced scheduling practices, including:
  • Schedule status processes
  • Multi Project File Architecture/Environment
  • Cost and schedule integration
  • 14-Point Analysis and schedule health assessments
  • Critical Path Method (CPM) and float management
  • Schedule execution metrics (BEI, CEI, CPLI, SV, SPI, etc.)
  • Schedule risk modeling and Monte Carlo simulations
  • Baseline change control governance

Preferred Qualifications:

• Aerospace / Defense Industry Experience
• PMI Scheduling Professional (PMI-SP) certification
• Scheduling Professional (SP) certification
• Proficiency in MS Project views, filters, and custom reporting

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:

March 25, 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 $105,300.00 - $190,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.