Senior Program Scheduler

Job Overview

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Your greatest work is ahead!

Leidos’ Defense Systems, Aerospace Systems Business Area is seeking a Sr Scheduler to join our team!

Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large‑scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions.

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General program information and/or position overview.

Leidos is seeking an experienced and proficient Program Scheduler to provide strategic scheduling leadership within our Defense Systems Sector.

In this dynamic role, you will serve as the scheduling authority for multiple Defense Sector programs, 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 Senior Lead 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.

• Serve as the primary scheduling point of contact, shaping program strategies through programmatic scheduling best practices.
• Partner with program managers, IPT Leads, and technical staff to influence decision‑making and optimizing program performance.
• Work independently with minimal daily oversight.
• 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.
• Present schedule insights, risks, and “what‑if” scenarios to senior program and customer stakeholders, often shaping contract execution strategies.
• Implement program scheduling business rhythms & controls.
• Develop scheduling artifacts to meet contractual/project requirements.
• Significant interface with program leadership.

• Bachelor’s degree with 8+ years of progressive Defense industry scheduling experience (or equivalent experience in lieu of degree).
• Intermediate to advanced Microsoft Project and scheduling analytics skills.
• Intermediate to advanced expertise using Structured Solutions Inc. (SSI) Tools for Microsoft Project.
• U.S. citizenship with ability to obtain and maintain a Secret Clearance.
• Strong command of advanced scheduling practices, including:
• Schedule status processes
• Resource Loaded Networks
• 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

• Experience in Aerospace / Defense Industry
• PMI Scheduling Professional (PMI‑SP) certification
• Scheduling Professional (SP) certification
• Proficiency in MS Project macros and custom reporting

Pay Range $82,550.00 - $

December 15, 2025

For U.S.…