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FireSim XXI Operator 

EOE Statement Yorktown Systems Group, Inc. is an Equal Opportunity Employer. No employee or applicant for employment is denied equal opportunity because of race, color, sex, national origin, religion, age, disability, marital status, pregnancy, sexual orientation, gender identity, genetic information, any other non-merit-based factor, or other characteristics protected by law. As part of the company's equal employment opportunity policy, Yorktown Systems Group, Inc. will also take affirmative action as called for by applicable laws and Executive Orders to ensure that minority group individuals, females, disabled veterans, recently separated veterans, other protected veterans, Armed Forces service medal veterans, and qualified disabled persons are introduced into our workforce and considered for promotional opportunities.

About the Organization Yorktown Systems Group, Inc. is a committed team of dedicated former military and civilian professionals who believe in providing ethical and quality services to Government customers. Our leadership team is composed primarily of Veterans who are now serving in a corporate environment rather than in uniform. Our customer's missions become our own and we are committed to working as a team to achieve success.

Because of the depth and experiences of our corporate leadership, we can assure all our customers that "we will do what we say we can do" and will focus on our customer's missions rather than corporate goals. Our business model is based on a personal commitment from our leaders to maintain contact with our customers to continually and consistently gauge our performance.

Yorktown Systems Group was founded on the idea that providing quality and ethical services with a laser focus on our customer's goals is an effective long-term business model. Our mission, therefore, is to help our customers meet their requirements and goals.

The contractor will not discharge or in any other manner discriminate against any employee or applicant for employment because such employee or applicant has inquired about, discussed, or disclosed the compensation of the employee or applicant or another employee or applicant. This provision shall not apply to instances in which an employee who has access to the compensation information of other employees or applicants as a part of such employee's essential job functions discloses the compensation of such other employees or applicants to individuals who do not otherwise have access to such information, unless such disclosure is in response to a formal complaint or charge, in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or is consistent with the contractor's legal duty to furnish information.

Category Education  

FireSim XXI Operator




Yorktown Systems Group is seeking a highly qualified FireSim XXI Operator to support Fires Battle Lab (FBL) in performing Army and Joint directed experimentation, demonstrations, analysis and supporting Institutional training. The Fires Battle Lab (FBL) conducts experimentation to support AFC and FCoE research on the Army’s Campaign of Learning to identify promising Field Artillery and Air Defense Artillery warfighting and organizational concepts, systems and munitions. The FBL will conduct a series of experiments to refine Fires and Air Defense warfighting organizations tactics, techniques and procedures as they relate to Army, Joint and coalition operations. This support will be performed on Fort Sill, OK.


Specific duties may include, but are not limited to:

  • Shall maintain proficient administrator and operator level knowledge of FireSim XXI.
  • Shall integrate FireSim XXI into live, virtual, constructive and gaming environments with Army and Joint C4ISR programs of record and technology demonstrations. This includes troubleshooting the networks, simulation interoperabilities, and FireSim XXI/Extensible C4I System (ExCIS)// configurations and connections to C4ISR systems. This includes integration of Joint Embedded Message translation system configuration and use.
  • Shall provide networking expertise in support of using FireSim XXI with other computer systems, simulations, interface devices, live tactical devices, and command and control devices, as necessary to meet experiment, training, fielding, exercise, and/or demonstration requirements.
  • Shall provide Software Change Requests (SCRs) of FireSim XXI to the FireSim XXI Configuration Manager for further review and shall brief to the FireSim XXI Configuration Control Board (CCB).
  • Shall provide FireSim XXI technical expertise to exercises, experiments and demonstrations conducted or supported by Fires Battle Lab.
  • Shall develop, maintain and update a Program of Instruction (POI), instructional materials and present classroom instruction on the operations of FireSim XXI and ExCIS. in experiment, training, and demonstration environment.
  • Shall maintain and update user documentation on the use of FireSim XXI and ExCIS. in the experiment, training, and demonstrations environment.
  • Shall provide a final letter detailing support and actions taken.



Required Qualifications:

  • Must have a high school diploma or equivalent.
  • Level III certified for FireSim XXI operations and certified for Extensible C4I Instrumentation Suite ExCIS operations.
  • Shall have demonstrated experience integrating FireSimXXI and Extensible C4I Instrumentation Suite (ExCIS) operations.
  • Minimum 1 year experience with FireSim XXI integrations into high-level architecture (HLA) model and simulation (M&S) environments.
  • 1-year experience in FireSim XXI data development/ implementation (scenarios, force structures, fires systems, sensor systems, ammunitions).
  • 1-year experience in FireSim XXI integrations with live tactical C4ISR systems, especially AFATDS, FBCB2, counterfire radars to support training.
  • 1-year experience with live training M&S integration processes.
  • 1-year experience in AFATDS operations, M&S networking, and usage of Linux Operating System.


Clearance: Active Secret Clearance is Required


Location: Fort Sill, OK


Travel: Some Travel will be required

Full-Time/Part-Time Full-Time  
Exempt/Non-Exempt Exempt  
Location Ft. Sill  

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