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Information System Security Officer (ISSO)

CCS Global Tech

Posted today

Job Requirements

Vienna, VA
Public Trust Polygraph Unspecified
Career Level not specified
$110,000 - $125,000

Job Description

Position Title: Information System Security Officer (ISSO)
LCAT: Computer Security System Specialist - Level II
Clearance: Public Trust
Work Location: Vienna, VA
Salary Range: $ 110,000- $125,000

Job Description
Essential Duties & Responsibilities
• Role Overview: The Information Systems Security Officer (ISSO) conducts research, develops, implements, tests, and reviews an organization's information security to protect information and prevent unauthorized access. Emphasis on general knowledge of infrastructure devices (i.e. firewalls, routers, switches).

Responsibilities:
o Conduct initial Security Assessment and obtain system Authorization to Operate (ATO), in line with NIST SP 800-37 Rev. 2.
o Maintain the Security Authorization or ATO of assigned system(s)
o Continuously update all Security Authorization documentation to maintain assigned system's ATO or system go-live dates.
o Select the baseline security controls for the IT system, using the CSAM Governance, Risk, and Compliance (GRC) Tool, and tailor controls where appropriate.
o Document all relevant NIST 800-53 Security Controls for assigned IT systems in the System Security Plan (SSP).
o Perform and document initial and annual risk self-assessments of all systems assigned
o Develop and document all supporting Security A&A artifacts (i.e., PTA, SSP, ITCP, BIA, CMP, MOU, ISA).
o Produce Security Authorization package for Authorizing Official (AO) signature including ATO
o Track the deployment of software to the environment that is not part of the base image.
o Conduct security impact analyses of proposed changes, provide recommendations.
o Ability to analyze configuration settings, implementation of STIGs, and conducting manual checklists.
o Generate and manage Plan of Action & Milestones (POA&Ms), with meaningful milestones, and clear/concise implementation statements for each non-compliant control for assigned IT Systems.

Required Skills & Experience
• 3-5 years Cybersecurity experience
• Working knowledge and experience with CSAM and the NIST RMF
• Solid knowledge of the process to obtain a system ATO and requirements to maintain the ATO
• Experience working with system stakeholders to assess and manage system cybersecurity risk
• Ability to synthesize complex IT system information and communicate system status and requirements in written products and verbal presentations
• Ability to write clear, concise and effective security control implementation statements
• Familiarity with configuration settings and vulnerability management analysis of infrastructure devices
• Ability to draft a complete ATO package, to include the SSP
• Ability to work independently, and efficiently, with minimal direct supervision, and within given timelines

Required -
Professional Certification(s): Security+
Formal Education: HS Diploma
Years of Professional Experience: Minimum 3-5

Desired Skills & Experience
• BS in Computer Science, Information Technology, or related field
• CISSP, Security+, CGRC (formerly CAP), CISM

Required Technical/Business Tools Experience
• CSAM GRC Tool
• DHS experience

Physical Requirements
• Ability to work onsite at customer HQ 1-2 times per week
group id: 10290999
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CCS Global Tech connects cleared professionals, including veterans and transitioning service members to high-impact federal missions. With 28+ years supporting government IT, we place pre-vetted talent in IT, cybersecurity, engineering, AI, cloud, and data roles across major federal programs. Our network of 100K+ cleared candidates and 50+ specialized recruiters enables fast, reliable placement for TS/SCI, CI Poly, and Full Scope Poly roles in Defense, Intelligence, DHS, civilian agencies, and critical infrastructure. Through CCS Learning Academy, we provide DoD 8570-aligned training and job-ready preparation. Candidates trust us for our speed, clarity, and commitment to helping them grow and make an impact. Learn more: https://ccsglobaltech.com/about/

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Job Category
IT - Security
Clearance Level
Public Trust