Senior Planning Support Specialist

Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic pRole Summary
The Senior Planning Support Specialist drives day-to-day execution of MARFORPAC G-5 (Plans) deliberate planning support and the daily planning battle rhythm. The role owns delivery of assigned planning support outputs—coordination, staffing, and product production—so leaders receive on-time, decision-ready materials that enable execution across the Joint Planning and Execution Community (JPEC). This role applies established templates/standards and ensures planning actions move from tasking to closure.
Key Responsibilities
• Lead assigned planning support efforts across operational, functional, campaign, and posture planning cycles to meet directed timelines
• Synchronize inputs across USINDOPACOM, Headquarters Marine Corps (HQMC), MARFORPAC staff divisions, adjacent components/sub-unified commands, and Marine Expeditionary Forces (MEFs)
• Manage planning tasks, suspense dates, staffing actions, decision points, and follow-through to reduce delays and rework
• Run Operational Planning Team (OPT) and working group support (prep, read-aheads, notes/actions, closeout)
• Develop briefing decks, information papers, and planning documents for senior leader review/approval
• Edit and format products to ensure clarity, consistency, and executive-ready quality using established standards
• Maintain version control and auditable staffing/coordination records across iterations
• Coordinate program-based planning tasks to align assumptions, inputs, and outputs across organizations
• Support posture initiative planning activities by organizing inputs, staffing actions, and implementation tracking (as directed)
• Coach junior staff on battle rhythm discipline, staffing hygiene, and product formatting to improve throughput
Qualifications
Required
• Bachelor's degree (or equivalent practical experience) in a relevant field
• 7+ year's experience supporting military, joint, or federal civilian planning (meetings/working groups, staff products for senior leaders)
• Demonstrated proficiency producing/editing briefing decks, information papers, and formal planning documents
• Familiarity with JPEC processes and joint planning forums (e.g., OPTs, joint planning groups)
• Ability to comply with government workplace requirements and obtain/maintain any required access/eligibility
Preferred
• Advanced planning education (e.g., JAWS/SAMS/MAWS/JCWS/JPME)
• Relevant professional certifications (e.g., PMP)
• Prior relevant MOS experience (e.g., USMC 0302/0502/0511)
• Prior experience working with/alongside USINDOPACOM, MARFORPAC, HQMC, a combatant command, Service component, or MEF HQ
Skills & Competencies
• Operational execution, suspense management, and staffing discipline
• Stakeholder coordination in high-tempo, deadline-driven environments
• Clear writing and synthesis of complex inputs into decision-ready outputs
• Attention to detail, formatting rigor, and version control
• Professional judgment on when to elevate risks, conflicts, or late-breaking changes
Autonomy, Decision Authority & Accountability
• Owns day-to-day planning support execution for assigned efforts (battle rhythm, staffing mechanics, delivery)
• Decides work sequencing and coordination approach within established standards; escalates priority conflicts/tradeoffs to government leads
• Accountable for on-time delivery, complete staffing packages, and reliable coordination closure
otected by law (referred to as "protected status").
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