Principal Program Scheduler - Persistent Surveillance Portfolio

** Description*
* Leidos is seeking an accomplished  
** Principal Program Scheduler
** to provide strategic scheduling leadership on the  
** Persistent Surveillance Portfolio
** of programs, within our Defense Sensors Business Area.

This exciting role provides a direct scheduling leadership opportunity to support a Department of Defense radar program delivering multiple systems to the USMC, Army, & Air Force, including full life-cycle support, logistics, and site activation activities. In this dynamic role, you will serve as a principal scheduling authority for mission-critical programs, trusted by senior leadership to anticipate risks, drive solutions, and ensure alignment between technical execution, resources, and program objectives.

This role is ideal for a senior level scheduling professional who thrives in fast-paced, high-impact environments and seeks to apply their expertise to programs that directly support national defense.

This position will be housed at our Research Park Facility in  
** Huntsville, Alabama** , where you will be working with various Integrated Product teams, key program stakeholders, and Technical SMEs; to improve program planning and execution while ensuring compliance with contractual requirements and company policy and procedures.

The Principal Program Scheduler position 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:

*
* + Responsible for applying scheduling theory/practice to develop the Integrated Master Schedule (IMS) and related artifacts in compliance with applicable standards and policies such as EVM standard EIA-748 and industry best practices (e.g., PASEG, NDIA) in alignment with the mission of the EVM COE and in support of programs.

+ Requires a high-level understanding of programmatic scheduling theory and practice

+ Provide the  **"why"
- ** demonstrating the ability to clearly communicate schedule analysis, execution metrics, and overall program understanding through a cost informed scheduling perspective.

+ Responsible for implementing practices to align the time phasing and plans for resources with the IMS to provide an integrated technical, schedule, and  
** resource/cost baseline
** and forecast/ ETC for programs.

+ Ability to create  **"what-if"
** scenarios within the schedule that inform program leadership

+ Serves as a scheduling leader in assisting programs with issue identification & resolution solutions.

+ Implement program scheduling business rhythms & controls

+ Develop scheduling artifacts to meet contractual/project requirements

+ Monitor, analyze, and report performance against baseline schedules to ensure that contractual cost and schedule objectives are met

+ Significant interface with Program Managers, Contracts, and Senior Technical Personnel, as well as other organizations

+ Provide Leadership, guidance, and mentorship to other emerging scheduling professionals

+  
** Must be able to collaboratively work onsite at our Huntsville location multiple days per week, or on an "as needed" basis.*
* *
* Basic Qualifications:

*
* + Requires a BA degree and 12+ years of prior relevant scheduling experience in DOD Environment;
Additional education, experience or training will be considered in lieu of degree.

+ Ability and willingness to obtain a DoD Secret clearance in the future.

+ Must have advanced expertise using  
** Microsoft Project
** scheduling software

+ Must possess an understanding of advanced scheduling theory including experience with:

+ Schedule status & version control processes

+ Schedule health assessment (e.g., 14-Point Analysis)

+  
** Resource loading/management*
* + Baseline change control processes

+ Schedule Execution Metrics (BEI, CEI, CPLI, SV, SPI etc.)

+ Schedule Risk Assessment (SRA)/Monte Carlo Analysis and tools

+ Critical Path Method (CPM) and Margin/Float management

*
* Preferred Qualifications:

*
* + Experience scheduling as an Aerospace and Defense Prime/Major Subcontractor

+ Experience in a Manufacturing/Production/Prototyping environment

+ Intermediate to advanced expertise using  
** Structured Solutions Inc. (SSI)
** Tools for Microsoft Project

+ Experience w/ Milestones Professional

+ Utilization of MS Project Macros

+ Current and active DoD Secret clearance.

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:*
* August 17, 2026

For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition…