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

Comprehensive benefits package with 401k

Job Title: Public Key Infrastructure Support

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

Clearance: Active/current TS+

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

Experience: 3 years

Schedule: M-F with a potential for occasional weekends

Travel: Occasional

Salary: Commensurate with experience

Job Listing Number: TX18006

LCAT: Public Key Infrastructure Support


Overview: S4 Inc. is seeking a Public Key Infrastructure Specialist 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 be providing PKI advisory and assistance service support to authorities and trusted agents on-site at JIOWC Headquarters.


Specific Duties:

  • Provide PKI advisory and assistance service support in the role of Registration Authorities (RA), Local Registration Authorities (LRA) and Trusted Agents (TA) on-site; operate on the Non-classified Internet Protocol Router Network (NIPRNet), Secret Internet Protocol Router Network (SIPRNet), and Joint Worldwide Intelligence Communications System (JWICS) networks with appropriate elevated privileges;
  • Execute certificate issuance authority under JIOWC, AF, DoD and National Security Strategy (NSS) certificate policies for the entire organization; manage certificate issuance under JIOWC, AF, DoD and NSS certificate policies while maintaining compliance with all said policies;
  • Comply with all audits and inspections



  • Must have an active/current TS+
  • Must possess a minimum of three (3) years of experience in public key infrastructure support and meet the requirements for LRA and TA duties as outlined in National Security Systems Public Key Infrastructure DoD Registration Practice Statement, Version 8, 19 Dec 2014, section 5.3, "Personnel Controls."



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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