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Principal Scheduler
Location: Colorado Springs, CO (On-site)
Make a Meaningful Impact with Leidos
At Leidos, we deliver innovative solutions through the dedication of our diverse and talented teams. We empower our people, strengthen our communities, and operate with integrity and sustainability. Guided by our Mission, Vision, and Values, we are committed to doing what’s right—for our customers, our employees, and the world around us.
Your greatest work is ahead.
We are seeking an experienced Principal Scheduler to support the NISSC III program. In this role, you will work with systems critical to the Integrated Warning System and national defense priorities. This is a full-time, on-site position for a detail-oriented scheduling expert who thrives in dynamic environments and is passionate about excellence in planning, performance management, and Earned Value Management (EVM).
This role reports through the Sector Scheduling Manager and aligns with the Leidos Corporate Earned Value Management (EVM) and Controls Center of Excellence (COE) for functional guidance while supporting the program day-to-day.
Primary Responsibilities:
Apply advanced scheduling theory and best practices to develop and maintain the Integrated Master Schedule (IMS) and related artifacts in compliance with applicable standards and policies
Implement processes to align resource time phasing and planning with the IMS to create an integrated technical, schedule, and resource/cost baseline and forecast/ETC
Develop and analyze “what-if” scenarios to inform program leadership and support decision-making
Provide scheduling expertise during new business proposals and capture activities
Serve as a scheduling leader, assisting programs with issue identification, root cause analysis, and resolution
Implement program scheduling business rhythms, controls, and reporting structures
Develop scheduling artifacts that meet contractual and project requirements
Monitor, analyze, and report performance against baseline schedules to ensure contractual, cost, and schedule objectives are met
Participate in program reviews, audits, and other key meetings
Provide scheduling support to Program Management for internal and external audits, reviews, and corrective action implementation
Collaborate extensively with Program Managers, Contracts, Senior Technical Personnel, and other stakeholders
Perform additional duties as required to support program success
Required Qualifications:
Bachelor’s Degree in a related field with 12 years of relevant experience; Additional experience, training, and/or certifications may substitute degree requirement.
US Citizen; Currently possessing an Active DoD Secret clearance or ability to obtain upon hire.
Advanced expertise with Microsoft Project
Strong understanding of programmatic scheduling theory and practice
Required knowledge of program management and Earned Value Management Systems (EVMS)
Experience with advanced scheduling concepts, including:
Schedule status processes
Schedule health assessment (e.g., DCMA 14-Point Analysis)
Resource loading/management
Cost and schedule integration using OPDEC IPM, COBRA, or similar EVM tools
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:
Master’s degree in related field with 10 years of experience
Active DoD Secret clearance
Excellent oral and written communication skills; ability to communicate and advocate discipline-related knowledge, services, and programs
Intermediate to advanced expertise with Structured Solutions Inc. (SSI) Tools for Microsoft Project
PMP or Scheduling Professional (SP) certification
Experience with Milestones Professional
Strong skills with MS Project, including macros
Experience with MS Project Web App (PWA)
Experience with Power BI
Proven experience delivering projects on time and within budget, with strong knowledge of Agile, Scrum, and Waterfall methodologies
Understanding of technical concepts related to software development, engineering, and networking
Experience with NISSC or other Air Force programs
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.
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.
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.