Master Scheduler

Leidos; Mississippi; On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking an experienced Master Scheduler to develop, manage, and maintain an Integrated Master Schedule (IMS) across multiple projects in a high-visibility program. You will analyze schedule changes, assess risks, and align efforts with program leadership and cross-functional teams to meet milestones.

The role requires a Bachelor's degree and 8+ years of scheduling experience, proficiency with Microsoft Project, and strong communication skills to brief stakeholders. U.S.

Qualifications

• Bachelor's degree and 8+ years of Master Scheduler experience.
• Experience with schedule development and maintenance.
• Experience performing schedule risk analysis.
• Proficiency with Microsoft Project.
• Familiarity with databases.
• Strong verbal and written communication and briefing skills.
• Ability to collaborate with cross-functional teams.
• Strong analytical skills and attention to detail.
• Ability to engage with technical and program management stakeholders.

Responsibilities

• Develop and maintain an Integrated Master Schedule (IMS) in accordance with the WBS.
• Update T&S project schedules weekly and prepare schedule materials for leadership.
• Collaborate with project managers, stakeholders, and teams to gather requirements for the master schedule.
• Use project management software to create, maintain, and update the master schedule.
• Support the Lead Program Manager in coordinating internal and external teams to milestones.
• Create, develop, and manage project plans.
• Coordinate and establish project milestones.
• Develop comprehensive project timelines.
• Track and brief project status as requested.
• Apply risk management to scheduling and execution.
• Identify scheduling shortfalls and risks to protect timelines and budget.
• Maintain technical documentation including architecture and design docs.
• Develop Implementation Plans and MOPs.

Skills

Schedule development

Schedule maintenance

Schedule risk analysis

Microsoft Project

Databases

Communication skills

Cross-functional collaboration

Analytical skills

Stakeholder engagement

Education

Bachelor's degree

Tools

PMP certification

ITIL certification

Job description

Description

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 sustainably. 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.

The AEGIS program at Leidos is seeking an experienced Master Scheduler to develop, manage, and maintain program and project schedules in support of a high-priority, high-visibility implementation program. The Master Scheduler will analyze schedule changes and impacts, provide risk assessments to determine schedule viability, and maintain alignment across multiple projects and priorities. This position will support the AEGIS program and work closely with program leadership, project managers, stakeholders, and cross-functional teams while managing multiple simultaneous tasks and providing comprehensive scheduling support to the customer.

Primary Responsibilities:

• Develop and maintain an Integrated Master Schedule (IMS) incorporating the various T&S projects in accordance with the T&S Work Breakdown Structure (WBS).
• Update T&S project schedules in IPAS weekly and prepare schedule presentation materials as requested by the Government Program Manager.
• Collaborate with project managers, stakeholders, and cross-functional teams to gather project requirements, milestones, dependencies, and constraints for incorporation into the master schedule.
• Utilize project management software and scheduling tools to create, maintain, and update the master schedule, ensuring accuracy, completeness, and alignment with project objectives.
• Support the Lead Program Manager in the development and coordination of internal and external teams to achieve project milestones.
• Create, develop, and manage project plans.
• Coordinate and establish project milestones.
• Develop comprehensive project timelines.
• Track and brief project status as requested.
• Apply risk management practices to project scheduling and execution.
• Identify scheduling shortfalls, risks, or obstacles to prevent or minimize impacts to project timelines and budgets.
• Develop, maintain, and update technical documentation, including enterprise architecture, application and system design, and network architecture and design documentation.
• Develop technical documentation, including Implementation Plans and Methods of Procedure (MOPs).

Basic Qualifications:

• Bachelor's degree and eight (8) or more years of experience as a Master Scheduler.
• Experience with schedule development and maintenance.
• Experience performing schedule risk analysis.
• Proficiency with Microsoft Project.
• Familiarity with databases.
• Strong verbal and written communication and briefing skills.
• Demonstrated ability to collaborate effectively with cross-functional teams.
• Strong analytical skills and attention to detail.
• Ability to effectively engage and communicate with technical and program management stakeholders.

Preferred Qualifications:

• Previous experience managing technical implementations.
• Project Management Professional (PMP) certification.
• ITIL certification.

Clearance Requirements:

• U.S. Citizenship is required.
• Ability to obtain and maintain a Public Trust.

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:

October 8, 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 $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline onlyand 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

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave and Retirement

More details are available at www.leidos.com/careers/pay-benefits.

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.