Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.
Job Description**This position is contingent upon contract award**SOSi is seeking an Cyber Security Administrator to support mission requirements for a structured approach to further develop, integrate, and sustain a scalable, federated data ecosystem that enhances interoperability, governance, and mission-driven analytics for a DoD customer. The primary objective of the program is to bridge the operational gaps between DoD, IC, interagency, and non-traditional international partners to enable real-time information sharing, dynamic data integration, and mission-tailored analytical capabilities.
Essential Job Duties:- Ensure compliance with DoD cybersecurity mandates, including NIST 800-53 Rev. 5, FedRAMP, Risk Management Framework (RMF), and DoD IL-4/IL-5 security policies.
- Implement security monitoring solutions, conduct vulnerability assessments, and enforce zero-trust security principles.
- Maintain system security documentation, including System Security Plans (SSPs), Security Assessment Reports (SARs), and Plans of Action & Milestones (POA&M), ensuring continuous compliance and audit readiness.
- Lead and track the progress of Authority to Operate (ATO) processes, ensuring all security controls and risk assessments are documented and submitted for approval.
- Submit the Cybersecurity Compliance & Risk Assessment Report, summarizing vulnerability findings, risk mitigation strategies, and security control implementation status.
QualificationsMinimum Requirements:- Active TS/SCI clearance.
- Bachelor's degree in Cybersecurity, Information Assurance, or a related field, or;
- five (5) years of equivalent experience in cybersecurity operations
- Managing security configurations, conducting penetration testing, and implementing SIEM solutions (e.g., Microsoft Sentinel, AWS Security Hub).
- Implementing and enforcing security controls for cloud infrastructure, ensuring compliance with DoD security frameworks.
- Performing risk assessments, continuous security monitoring, and developing mitigation strategies in cloud and hybrid environments.
- Administering RBAC and enforcing least-privilege access policies for mission-critical applications.
- Managing the ATO lifecycle, including the preparation of System Security Plans (SSP), Security Assessment Reports (SAR), and Plans of Action & Milestones (POA&M).
- Coordinating with DoD cybersecurity officials to achieve and sustain ATOs for cloud-based and on-premises environments.
Additional InformationWorking Conditions:
- Normal office conditions.
Working at SOSi:
All interested individuals will receive consideration and will not be discriminated against for any reason.
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