Demo

Information System Security Officer (ISSO), MTCCS - JBSA

Yorktown Systems Group
San Antonio, TX Full Time
POSTED ON 12/18/2025
AVAILABLE BEFORE 2/17/2026
ABOUT THE ORGANIZATION Yorktown Systems Group, Inc., and its wholly-owned subsidiaries, are 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. The Unconventional, LLC is a wholly-owned subsidiary of Yorktown Systems Group, Inc.
Job Title
Information System Security Officer (ISSO), MTCCS - JBSA
Location
Joint Base San Antonio, TX - Joint Base San Antonio, TX 78234 US (Primary)
Job Description

Summary:

Yorktown Systems Group is seeking an Information System Security Officer (ISSO) to support the Joint Base San Antonio (JBSA) Mission Training Complex (MTC) Contract with operations, simulations, training, logistics, Cybersecurity, and IT (Cyberspace) support. JBSA MTC can distribute training and exercises to various locations within the Army North (ARNORTH) and Army South (ARSOUTH) Areas of Responsibility (AOR). The MTC provides individual through collective training and sustainment on Army Command and Control Information Systems (C2IS), the Command and Control Warfighting Function (WfF), and the Army’s approach to Mission Command (MC) using a variety of tools and Army fielded systems. MTCs support simulations-driven collective training events for Army units at every echelon to include Joint, Combined, and Multinational key environments, and provide individual sustainment training on Army C2IS using a variety of tools and Army fielded systems. These tools and systems enable MTCs to create Training Environments that replicate Operational Environments as accurately and realistically as possible to support demanding and realistic training for small units (Squad through Company), medium units (Battalion through Brigade), and large units (Echelons Above Brigade). Live, Virtual, Constructive, and Gaming (LVC-G) models and simulations create realistic and challenging training events that closely replicate conditions a unit would face on the battlefield.

You will provide support for individual through collective MC, WfF training, mission rehearsal, the Military Decision Making Process (MDMP), the Army Design Methodology (ADM), the Joint Operational Planning Process (JOPP), Games for Training (GFT), and constructive simulations exercises. Constructive simulation training exercises includes planning, preparation, set-up, execution, and recovery. These training events and exercises may occur concurrently or separately. You will assist the Government in providing constructive simulation, GFT resources, and adaptive and responsive training for the individual through echelons above Brigade (EAB). Our team will be capable of combining events into a simultaneous synthetic environment using the simulations and C2IS fielded to JBSA MTC.

Specific duties may include, but are not limited to: 

  • The ISSO shall be responsible for the day-to-day security operations of all systems and networks for classified collateral and SCI networks. 
  • The ISSO shall be responsible for ensuring the appropriate operational security posture for JBSA information systems is maintained and documented. 
  • Shall be responsible for implementing DoD, Army, & JBSA policies, and creating Plans of Action and Milestones (POA&M) in response to vulnerabilities identified during risk assessments, audits, and inspections. This responsibility includes physical and environmental protection, access control, incident handling, security training, vulnerability and compliance management, configuration management, and the assistance in the development of security policies and procedures. 
  • Assures successful implementation and functionality of security requirements and appropriate IT policies and procedures that are consistent with the organization's mission and goals. 
  • The appointed ISSO shall work for and in close collaboration with the Government appointed ISSM. 
  • The appointed ISSO shall perform duties in accordance with DoD Instruction 8510.01, DoD Directive 8140.01, NIST Special Publication 800-37, and AR 25-2.
Job Requirements

Required Qualifications:

  • Bachelor’s degree in engineering, science, mathematics, or a related field.
  • Must possess five years’ experience within the past 10 years, in planning simulation exercise architectures, supervising implementation of communication systems, and integration of Army C2IS in support of distributed exercises.
  • Must possess five years’ experience in information technology management.
  • Must have experience with eMass or other Risk Management Framework (RMF) databases, and creating, uploading, maintaining, and inputting artifacts.
  • Must meet DoD 8570.01-M, 8140.01 Baseline Computing Environment (CE) Certification Requirements at Information Assurance Management Level II (IAM II).
  • Must be a US Citizen.
  • Must possess an ACTIVE SECRET clearance for collateral level or TOP SECRET/SCI.
  • Must possess three years' experience on a senior Military Staff

Desired Qualifications:

  • Bachelor's degree in Computer Science or Information Management.
  • Possess an expert understanding of NIST, DoD, & Army Cybersecurity & Risk Management Framework policies, directives, instructions, manuals, and best business practices.
  • Knowledge of current industry methods for evaluating, implementing, and disseminating IT security assessment, monitoring, detection and remediation tools and procedures utilizing standards-based concepts and capabilities (e.g., ACAS, MECM, ESS,etc.).
  • Knowledge of disaster recovery continuity of operations plans. 
  • Knowledge of enterprise incident response program, roles, and responsibilities.
  • Knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of Defense-in-Depth).
  • Knowledge of known vulnerabilities from alerts, advisories, errata, and bulletins.
  • Knowledge of measures or indicators of system performance and availability.

Clearance: Active Secret security clearance required; TS/SCI preferred

Location: JBSA, TX / San Antonio, TX

Travel: Some travel may be required

Security Clearance
Travel
Some travel may be required
Job Type
Full-Time
Exemption Type
Exempt
Category
Contractors
EEO STATEMENT Yorktown Systems Group, Inc., and its wholly-owned subsidiaries, are 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., and its subsidiaries, 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. The Unconventional, LLC. is a wholly-owned subsidiary of Yorktown Systems Group, Inc.

Salary.com Estimation for Information System Security Officer (ISSO), MTCCS - JBSA in San Antonio, TX
$198,009 to $244,698
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