What are the responsibilities and job description for the Information System Security Specialist II position at OneZero Solutions?
Job Summary
OneZero Solutions, LLC is seeking a qualified Information System Security Specialist II with foundational experience in cybersecurity and information assurance. This role supports the implementation and maintenance of Risk Management Framework (RMF) processes and ensures compliance with DoD and NIST standards. The ideal candidate will have strong knowledge of RMF tools, ATO compliance preparation, and a commitment to protecting critical information systems.
Position Title : Information System Security Specialist II
Location : TBD
Clearance : Secret
Education and Experience
High School Diploma or GED
IAT Level II Certification
3 years of experience in Cybersecurity, Engineering, Test & Evaluation, or A&A / C&A.
Familiarity with RMF, DIACAP, eMASS, and ACAS.
Expertise in at least three of the following : Vulnerability Analysis, Network Security Monitoring, Incident Response / Forensics, Penetration Testing, Red Teaming, or equivalent.
Essential Duties
Assist with the movement of information systems through the RMF process and support ongoing compliance activities.
Utilize tools like eMASS and ACAS to perform assessments and document results.
Develop and update security documentation, including System Security Plans (SSPs) and Plan of Action and Milestones (POA&Ms).
Conduct risk and vulnerability assessments to identify potential security issues and recommend mitigations.
Support the preparation and review of ATO compliance artifacts.
Monitor system compliance with NIST 800-53 controls and DISA STIGs to ensure adherence to established security policies.
Collaborate with team members to assess and remediate vulnerabilities identified through scanning tools and security assessments.
Participate in sessions aimed at improving RMF processes and integrating updates to security policies and standards.
Provide support for system administrators, engineers, and developers by creating or updating policies and process documentation.
Submit weekly reports to leadership regarding program statuses and system compliance.
OneZero Solutions, LLC 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.
If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability.
To request an accommodation, please contact us at or call (202) 987-2580.
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