Tista Science and Technology Corporation

Senior Systems Security Officer

Job ID 2021-2527
Job Locations US-Remote-United States


TISTA Science and Technology Corporation, a CMMI Maturity Level 3 company, focuses on delivering information technology and professional services to Federal and State agencies. TISTA is recognized in 2019 by Inc. 5000 as one of the fastest growing private companies in the US. TISTA is also a recipient of 2019 Top Veteran-Owned Companies by the Washington Business Journal. TISTA also received a 2018 Moxie Award in the GovCon category. 


TISTA is seeking a dynamic Senior Systems Security Officer to join our growing team.


  • Support the project managers in all cyber security related tasks
  • Review configuration change request for information systems security relevance and FISMA compliance
  • Support System Owner in planning and execution contingency planning, training, and annual exercises, execute, and document annual Contingency Plan training/test/exercise for the customer
  • Manage POA&Ms Plan for the annual review of security documentation with the client ISSO
  • Review security documents at least quarterly to ensure updates are made in a timely manner.
  • Assist the ISSO in the planning and coordination of Security Controls Assessment (SCA) and ATO (Authority to Operate)
  • Represent the company in meetings with key stakeholders and customers and align project deliverables with stakeholder organizational goals
  • Perform Reviews and evaluates programs and operations to determine adherence to policies and procedures
  • Keeps management fully informed concerning security issues
  • Participate in security audits, risk analysis, vulnerability testing and security reviews Identify security issues and risks, and develop mitigation plans Leads the development and interpretation of security policies and procedures Contributes to the development of enterprise-wide security strategy
  • Work with development teams to identify functional requirements that drive security
  • Owns and is primary author for all written deliverables to assure acceptable levels of detail for customer acceptance
  • Draft and deliver status reports on regular basis
  • Support system owner and ISSO as necessary to maintain FISMA compliance
  • Serve as the point of contact for all security incidents with in their area of responsibility and reports as appropriate to the  Incident Response Team
  • Handles and investigates incidents in cooperation with and under direction of the system ISSO and ISPG



  • 5+ years of relevant (cyber/FISMA compliance) experience
  • Must possess a CISSP certification(s)
  • 1-3 years’ experience with Applications Security Compliance work
  • Knowledge and understanding of AWS infrastructure in relation to Security


  •  Bachelor's degree in related field


  •  Remote


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