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Employee
Administrative
Master Scheduler - STEM with Security Clearance
System One Holdings, LLCFalls Church, VA🇺🇸United StatesPosted 6 Aug 2026
Quick Overview
Salary
$185k/yr
Work Type
On Site
Schedule
Employee
Level
Mid Senior
Job Description
Master Project Scheduler, STEM Bachelors
Direct Hire On-Site: Falls Church, VA, Mon to Fri
Annual Salary: Up to $185,000 annually, plus benefits. Commensurate with experience. Work expected to begin in December 2026 – Upon Award
Clearance: Active or Interim Top Secret (Upgradable Secret Clearance is OK) System One IT has a pre-award opening for a Master Scheduler with a STEM bachelor’s degree to support a federal end-customer in Falls Church, VA. Pending award – work is expected to begin in December 2026. It’s a great opportunity for individuals with contracts ending later this year – apply now! The qualified individual for this position must have: • Active or Current Top Secret security clearance adjudicated by DIA or DoD CAF; and a bachelor’s degree from an accredited college or university in Engineering, Information Systems, Information Technology, or a technical discipline. • 5 years in Project Management or Security Management • PMP certification or related program or project management experience • Expert-level skills with MS Project, MS Project Server, or MS Project Professional. • Ability to work collaboratively with all team members and be proactive in organizing PMO outreach to PMs to gather and report on schedule-critical information The Master Project Scheduler shall: • Prepare comprehensive project schedules and assist with the management of project milestones and deliverables • Develop and maintain integrated master schedules using MS Project • Ensure issues are called out to the appropriate decision-making authority promptly so that decisions can be made that minimize impact to the critical path • Partner with Project Managers to identify schedule dependencies and ensure those are clearly linked across projects or programs • Identify and analyze schedule risks and mitigation strategies • Update project schedules to conform to current schedules and submit the updated Project Schedules
• Utilize Gantt, PERT, milestone charts, and other project management techniques to gauge progress and identify performance variances • Manage both baseline work and remaining work • Identify and manage resource over-allocation System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
Direct Hire On-Site: Falls Church, VA, Mon to Fri
Annual Salary: Up to $185,000 annually, plus benefits. Commensurate with experience. Work expected to begin in December 2026 – Upon Award
Clearance: Active or Interim Top Secret (Upgradable Secret Clearance is OK) System One IT has a pre-award opening for a Master Scheduler with a STEM bachelor’s degree to support a federal end-customer in Falls Church, VA. Pending award – work is expected to begin in December 2026. It’s a great opportunity for individuals with contracts ending later this year – apply now! The qualified individual for this position must have: • Active or Current Top Secret security clearance adjudicated by DIA or DoD CAF; and a bachelor’s degree from an accredited college or university in Engineering, Information Systems, Information Technology, or a technical discipline. • 5 years in Project Management or Security Management • PMP certification or related program or project management experience • Expert-level skills with MS Project, MS Project Server, or MS Project Professional. • Ability to work collaboratively with all team members and be proactive in organizing PMO outreach to PMs to gather and report on schedule-critical information The Master Project Scheduler shall: • Prepare comprehensive project schedules and assist with the management of project milestones and deliverables • Develop and maintain integrated master schedules using MS Project • Ensure issues are called out to the appropriate decision-making authority promptly so that decisions can be made that minimize impact to the critical path • Partner with Project Managers to identify schedule dependencies and ensure those are clearly linked across projects or programs • Identify and analyze schedule risks and mitigation strategies • Update project schedules to conform to current schedules and submit the updated Project Schedules
• Utilize Gantt, PERT, milestone charts, and other project management techniques to gauge progress and identify performance variances • Manage both baseline work and remaining work • Identify and manage resource over-allocation System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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