International SOS Ltd

Cyber Security Administrator

International SOS Ltd$80K — $110K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance required.
  • Bachelor's degree in Cybersecurity or related field or five years of equivalent experience.
  • Experience managing security configurations and conducting penetration testing.
  • Proficiency in implementing SIEM solutions such as Microsoft Sentinel or AWS Security Hub.
  • Experience enforcing security controls for cloud infrastructure.
  • Skilled in performing risk assessments and developing mitigation strategies.
  • Proficient in managing the Authority to Operate (ATO) lifecycle.

Responsibilities

  • Ensure compliance with DoD cybersecurity mandates and policies.
  • Implement security monitoring solutions and conduct vulnerability assessments.
  • Maintain system security documentation for compliance and audit readiness.
  • Lead and track Authority to Operate (ATO) processes and approvals.
  • Submit comprehensive Cybersecurity Compliance & Risk Assessment Reports.

Benefits

  • Normal office conditions.
  • Opportunities for continuous professional development.
Full Job Description
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.


Qualifications
  • 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 Information

Working Conditions:
  • Normal office conditions.

About International SOS Ltd

International SOS is a healthcare company that provides medical and security services to organizations and individuals. The company was founded in 1985 and is headquartered in Singapore. International SOS operates in over 90 countries and has over 11,000 employees. The company's services include medical and security assistance, medical and security consulting, and emergency medical and security services.
Learn more about International SOS Ltd
Size
11,000 employees
Industry
Founded
1989

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