Information Systems Security Engineer (ISSE) - TS/SCI CI Poly
Company: Tenica and Associates LLC
Location: Chantilly
Posted on: February 21, 2026
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Job Description:
Job Description Job Description Information Systems Security
Engineer TS/SCI CI Poly Department: Government Customer- Chantilly
Location: Chantilly, VA MUST HAVE A TS/SCI Poly The Information
Systems Security Engineer (ISSE) provides support to the customer
in the area of Cyber Security. Daily tasks include, but are not
limited to: Provide analytical and technical security
recommendations to the customer Lead the identification of
projects’ security requirement Participate in network design
reviews and security testing for the customer’s networks Coordinate
with system development teams to ensure network security standards
are followed and implemented correctly Identify additional security
requirements, based on RMF or as the result of security issues that
put the customer’s systems at risk Reviews and analyzes new systems
(hardware and software) and provides recommendations concerning
system security Review Security Requirements Traceability Matrixes
(SRTMs), System Security Plans (SSPs) and other IA documentation
for completeness Provide A&A and RMF guidance to system owners
to ensure accreditation success Qualifications: Required: Current
U.S. Government Top Secret clearance with SCI eligibility Favorably
adjudicated Polygraph Bachelors of Science Degree in Science,
Technology, Engineering or Mathematics (STEM) or an advanced IA
certification DoD 8570 certification in IAT or IAM Experience in
security systems engineering involving various computer hardware
and software operation systems and application solutions in both
stand-alone and LAN/WAN configurations Experience with security
features and/or vulnerability of various operating systems as
defined by NIST, DISA (STIGs), and USCYBERCOM Experience with
networks and systems security administration, operation systems
security configuration and account management best practices
Experience implementing RMF Process and NIST 800-53 technical
controls, as well as developing and maintaining associated
certification and accreditation documentation Desired: Self-starter
requiring limited direction and supervision Experience briefing
senior customer personnel Ability to organize and prioritize
numerous customer requests in a fast pace deadline driven
environment Familiarity with the customer’s Lifecycle Readiness
process Familiarity with Amazon Web Services (AWS) Familiarity with
customer's IA processes Experience with IA vulnerability testing
and related network and system test tools (i.e. retina, HBSS, EVSS,
ACAS) Experience with Splunk and ServiceNow Familiarity with Cross
Domain Systems (CDS) Experience supporting IC or DoD in the Cyber
Security Domain TENICA is an Equal Opportunity Employer. All
qualified applicants will receive consideration for employment
without regard to race, color, religion, sex, sexual orientation,
gender identity, national origin, or protected veteran status and
will not be discriminated against on the basis of disability.
Keywords: Tenica and Associates LLC, Dale City , Information Systems Security Engineer (ISSE) - TS/SCI CI Poly, IT / Software / Systems , Chantilly, Virginia
