S4 Inc.
  • San Antonio, TX, USA
  • Commensurate with experience
  • Full Time
  • TS

Comprehensive benefits package with 401k

Job Title: Information System Security Engineer

Work Location: Joint Base San Antonio-Lackland AFB, TX

Clearance: TS+

Education: HS Diploma/GED; Bachelor's degree in related discipline highly desired

Experience: 7 years

Certification: IAM Level II: CAP, GSLC, CISM, CASP or CISSP

Schedule: M-F potential for occasional weekends

Travel: Occasional

Salary: Commensurate with experience

Job Listing Number: TX18002

LCAT: Information System Security Engineer


Overview: S4 Inc. is seeking an Information Assurance Counseling Engineer to support the Joint Information Operations Warfare Center (JIOWC) in assisting the Department of Defense (DoD) to improve its ability to meet combatant command information-related requirements. In this position you will assist the JIOWC Information Systems Security Officer (ISSO) in the accomplishment of assessments and authorization processes for networks, enclaves, systems, and tools on the JIOWC IT systems in support of JIOWC goals, priorities, and objectives for all capabilities acquired, deployed, and sustained.


Specific Duties: Assess the effectiveness of the security controls that have been implemented in the networks, enclaves, systems, and tools utilized at the JIOWC; advise, assist, and facilitate the ISSO in developing  packages in the DoD Cybersecurity program management tools; advise, assist, and facilitate the ISSO's efforts in authoring, editing, and updating System Security Plans (SSP) as required; advise, assist , and facilitate the ISSO's efforts in authorizing, editing, and updating documents as required such as DISA Commercial Internet Service Provider (ISP) waivers; advise, assist, and facilitate the ISSO's efforts in maintaining the JIOWC's Software license Management Program; advise, assist , and facilitate the ISSO's incident response team; provide training to security staff on all cybersecurity policies and processes; participate in conferences, technical interchange meetings, and user group meetings; and keep up to date and knowledgeable on standards for all networks that the JIOWC operates on so that they ensure all products submitted for publication are site compatible and meet current Federal, DoD, Air Force, JIOOPWC, and Intelink standards.



  • Must have an active/current TS+
  • Seven (7) years of experience in Cybersecurity program administration and assessment and authorization of systems
  • Have a working knowledge of DoD TEMPEST regulations and requirements
  • Knowledge of, and training in, DoD Risk Management Framework (RMF) Assessment and Authorization process.
  • Three (3) years of experience with Cybersecurity Incident Response and Management.


To apply to this position please go to www.s4inc.com and click on Careers to complete and an employment application and to upload your resume.


S4 Inc. offers competitive salaries and a comprehensive benefits package with 401(k), and universal time off.  We are an Equal Opportunity Employerminorities/females/veterans/individuals with disabilities/sexual orientation/gender identity. S4 participates in the E-Verify employment verification program.  If you are looking for a challenging and rewarding position, then we invite you to submit your resume including salary history/requirements.  Candidate selected must be able to obtain and maintain the security clearance required by the contract at all times


If you are an individual with a disability or a disabled veteran, and need a reasonable accommodation to apply to a position, please contact Michelle Sweeney, HR Manager, by phone at (781) 273-1600 or by email at accommodation@s4inc.com.

S4 Inc.
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