Principal Scheduler

R-00180571

Description

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.
Original Posting: April 10, 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.