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ORSA billets across the Army
Last updated: 21 September 2025

The billets shown here highlight representative positions across the FA49 community. They are intended as examples only—actual unit structures and authorizations may vary. This page provides an overview of the types of roles and responsibilities an ORSA can expect to perform within these organizations.

Showing 61–70 of 373 billets

CH, OPS RES DIV

Unit: Defense Threat Reduction Agency

Location: Fort Belvoir, VA

COL Rank designation: Colonel

Duty description:

Leads division of 58 Operations Research / System Analysts and quantitative specialists to provide data science, analytics and operational trends to support the Warfighters and command headquarters defeating improvised threats. Supervises the $1.2M Director's Study Program to provide advanced analytical insights available to counter improvised threats and unmanned aerial systems. Lead Joint Staff directed studies into the Department of Defense's management and future programming of counter improvised-threat defeat mechanisms. Serve as the senior quantitative analyst within JIDO and the Defense Threat Reduction Agency.

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CH, PDD DIV

Unit: U.S. Army Deputy Chief Of Staff G-8

Location: The Pentagon, VA

COL Rank designation: Colonel

Duty description:

LEADS A TEAM OF 11 OFFICERS AND 5 CIVILIANS RESPONSIBLE FOR BUILDING THE ARMY'S PROGRAMMING OBJECTIVE MEMORANDUM (POM), A DETAILED ESTIMATE OF THE ARMY'S NEXT FIVE BUDGETS. IMPLEMENTS DIRECTION FROM THE ADMINISTRATION, SECRETARY OF DEFENSE, AND ARMY SENIOR LEADERS BY ISSUING GUIDANCE ACROSS SIX PROGRAM EVALUATION GROUPS (PEGS), THE ARMY'S MAJOR PORTFOLIO MANAGERS. FACILITATES POM RELATED DECISION MAKING FOR ARMY SENIOR LEADERS AND ITS SUBMISSION TO OSD. LEADS THE DEFENSE OF THE POM THROUGH A NUMBER OF OSD LEVEL REVIEWS. PROVIDES ADDITIONAL ANALYTICAL AND DECISION MAKING SUPPORT AS NEEDED.

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CH, STRAT ASSESSMENTS

Unit: U.S. Army War College

Location: Carlisle Barracks, PA

COL Rank designation: Colonel

Duty description:

Member of the Army War College faculty. Lead, coach, teach, and mentor a multi-disciplinary team of military and civilians to design, develop, and execute strategic games. Support the Army War College mission to educate strategic leaders and advance ideas related to strategic landpower. Provide an environment that fosters professional growth, innovation, and agility. Opportunities to teach resident and distance learning students as well as conduct and lead strategic research for internal and external clients. Desired: experience in designing and executing military wargames and exercises; experience on a joint or ASCC staff; and DA and/or major command level in military ops & planning.

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CH, STRENGTH FORECASTING

Unit: U.S. Army Deputy Chief Of Staff G-1

Location: The Pentagon, VA

COL Rank designation: Colonel

Duty description:

The Division Chief leads a team of 8 military and 2 civilian ORSAs in the monthly refinement/development and briefing of the Army's Active Component $43 billion manpower program, which is based on a suite of models used to forecast end strength. The forecasting process is data-driven and involves detailed analysis and projection of personnel data using techniques like optimization, regression, and simulation; the forecast serves as the basis for accession missions, promotion plans, and training requirements. The division briefs analysis to senior leaders such as the Vice Chief of Staff and the Army G1 on a monthly basis; they rely on our products to plan for and build the Army. The division also serves as the G1?s authority on enlisted and officer loss analysis and strength projection. The Division Chief oversees refinements to the forecasting process and reviews all analysis and assumptions for accuracy, and completeness.

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CH, TR PROG & RES(TRP)

Unit: DCS G-3/5 (Office Of The Deputy Chief Of Staff For Operations And Plans (G-3/5/7))

Location: The Pentagon, VA

COL Rank designation: Colonel

Duty description:

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CH, WARFIGHTING ANALYS

Unit: U.S. Army Deputy Chief Of Staff G-8

Location: The Pentagon, VA

COL Rank designation: Colonel

Duty description:

LEAD A 15 PERSON ANALYTIC TEAM TO PROVIDE TIMELY, PRECISE AND OPERATIONALLY RELEVANT ANALYSES FOR SENIOR ARMY LEADER EQUIPPING AND MODERNIZATION RESOURCING DECISIONS; DEVELOP, TEST, VALIDATE AND RUN ANALYTIC MODELS AND COMMUNICATE OUTPUTS WITH APPROPRIATE DETAIL AND CLARITY TO INFORM LEADERS THROUGHOUT THE EQUIPPING ENTERPRISE. MANAGE AND PROGRAM THE COMMANDS PORTFOLIO CURRENTLY RESOURCED AT ~$6.0B OVER THE FYDP; EVALUATE COMMAND REQUIREMENTS AND RECOMMEND FUNDING STRATEGIES, INCLUDING TRADE-SPACE, FOR EE PEG LEADERSHIP DECISION. LEAD THE COST STANDARDIZATION WORKING GROUP TO STANDARDIZE COST DATA AND PROVIDE A COST DATA REPOSITORY FOR USE ACROSS THE PPBE CYCLE. ENSURE THE PROFESSIONAL DEVELOPMENT AND GROWTH OF THE FDA WORKFORCE.

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CH,WAR FIGHTIN ANAL(FDA)

Unit: U.S. Army Deputy Chief Of Staff G-8

Location: The Pentagon, VA

COL Rank designation: Colonel

Duty description:

Lead a 15-person analytic team to provide timely, precise and operationally relevant analyses for Senior Army Leader equipping and modernization resourcing decisions; develop, test, validate and run analytic models and communicate outputs with appropriate detail and clarity to inform leaders throughout the equipping enterprise. Manage and program the Commands portfolio currently resourced at ~$6.0B over the FYDP; evaluate command requirements and recommend funding strategies, including trade-space, for EE PEG leadership decision. Lead the cost standardization working group to standardize cost data and provide a cost data repository for use across the PPBE cycle. Ensure the professional development and growth of the FDA workforce.

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CHF STRAT PLN DIV -SOCOM

Unit: U.S. Army Element U.S. Special Operations Command Headquarter

Location: MacDill Air Force Base, FL

COL Rank designation: Colonel

Duty description:

Serves as an Operations Research Analyst performing professional and scientific work that requires the application of scientific principles and mathematical methods to study and analyze problems of complex systems and provide advice and insight about the probable effects of alternative courses of action to decision makers at the highest level within the command. Performs a broad range of operations research analyst assignments to solve unique and complex problems that require creativity, innovation, and the use of advanced techniques, approaches, and new technologies. Utilizes scientific inquiry in the independent development of mathematical models and computer programs to evaluate and predict the ability of Special Operations Forces to meet future mission requirements. Provides technical guidance, advisory support, and/or oversight for entire projects or major phases of large scale analysis projects. Attends meetings, conferences, briefings and seminars related to analytical projects.

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CHF, ANL&REQMNTS DIV

Unit: U.S. Army Element Central Command Headquarters (CENTCOM)

Location: MacDill Air Force Base, FL

COL Rank designation: Colonel

Duty description:

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CHIEF ASPAD, HQDA G8

Unit: U.S. Army Deputy Chief Of Staff G-8

Location: The Pentagon, VA

COL Rank designation: Colonel

Duty description:

ACQ SPT PRGM ANALYSIS DIV CHIEF (ASPAD) - (49, COL) / CHIEF OF A 21 PERSON DIV RESPONSIBLE FOR CONDUCTING ANALYSES & MAKING RECOMMENDATIONS TO THE G8, SEC ARMY, THE VICE AND C/S, ARMY, IN ALL MATTERS RELATED TO ACQ & SUSTAINMENT. RESPONSIBLE FOR PROPER RESOURCE PROGRAMMING & BALANCE OF THE ARMY'S ANNUAL $20 BILLION RESEARCH, DEVEL & ACQ RESOURCE PROGRAM, $6 BILLION SUSTAINING PRGRM, AND $10 BILLION BUSINESS PRGRM ACROSS THE LEGACY, INTERIM AND OBJECTIVE FORCES IN THE ARMY'S POM. DEVELOPS INVESTMENT STRATEGIES FOR SENIOR ARMY & DOD LEADERSHIP. DEVELOPS & PRESENTS RECOMMENDED ARMY POSITIONS TO SENIOR ARMY LEADERSHIP ON ALL ACQ, SPT, AND SPECIAL ACCESS PROGRAMS. ASSIST ARMY SENIOR LEADERSHIP TO DEFEND ARMY PROGRAM REQUIREMENTS TO MEET NMS OBJECTIVES BEFORE OSD, OJCS, OMB, & CAPITOL HILL. MANDATORY REQS: PREVIOUS ARSTAF EXP, TS-SCI; DESIRED REQ: MEL 1, ADV DEGREE IN OPERATIONAL RESEARCH SYS ANAL OR BUSINESS. PREV ACQ EXPERIENCE DESIRED. OPERATIONAL CAREER FLD MAY BE ACCEPTED .

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