GovCloud Cyber Security Administrator | ATO & RMF Lead

Base-2 Solutions, LLC; Florida; On-site; USD 120,000 - 180,000; Full time

Job summary

Base-2 Solutions, LLC seeks a Cyber Security Administrator to support a critical task order focused on enhanced domain awareness, continuous monitoring, vulnerability scanning, and incident response in cloud and hybrid environments. Responsibilities include documenting ATO, implementing security controls, and ensuring compliance with DoD security frameworks such as NIST 800-53 Rev.

5, FedRAMP, and RMF across GovCloud (Azure/AWS).

Qualifications

• Bachelor’s degree or 5+ years of cybersecurity operations experience.
• Experience applying DoD/FedRAMP security frameworks.
• Experience with cloud security configurations and compliance.
• Experience with SIEM (Microsoft Sentinel, AWS Security Hub).
• Knowledge of ATO lifecycle (SSP, SAR, POA&M).
• RBAC and least-privilege enforcement.
• Experience coordinating with DoD cybersecurity officials.

Responsibilities

• Document ATO, security compliance, and continuous monitoring.
• Implement and manage security controls and risk assessments across GovCloud environments (Azure, AWS).
• Apply NIST 800-53 Rev. 5, FedRAMP, DoD RMF, IL-4/IL-5 mandates.
• Utilize SIEM, RBAC, vulnerability scanning, and incident response capabilities.
• Leverage cloud-native security tools and ZTA concepts; follow STIGs.
• Manage the ATO process: documentation, submission, ongoing monitoring.
• Demonstrate completion and maintenance of ATOs in DoD or federal environments.

Skills

Security operations

SIEM

RBAC

Vulnerability scanning

Incident response

Risk assessment

Continuous monitoring

Cloud security

Education

Bachelor’s degree in Cybersecurity, Information Assurance, or related field

5+ years of cybersecurity operations experience

Tools

Microsoft Sentinel

AWS Security Hub

Azure

STIGs

Job description

Position Summary

Base-2 Solutions is seeking a Cyber Security Administrator to support a critical task order focused on enhanced domain awareness. The role involves managing security compliance, Authority to Operate (ATO) processes, continuous monitoring, vulnerability scanning, and incident response within cloud and hybrid environments.

Essential Duties and Responsibilities

• Ensure documentation of ATO, security compliance, ATO management, continuous monitoring, vulnerability scanning, and incident response.
• Implement and manage security controls, risk assessments, and compliance measures across GovCloud-hosted environments, including Azure and AWS.
• Apply knowledge of NIST 800-53 Rev. 5, FedRAMP, DoD RMF, and IL-4/IL-5 security mandates.
• Utilize experience in security information and event management (SIEM), role-based access control (RBAC), vulnerability scanning, and incident response.
• Employ expertise in cloud-native security tools, Zero Trust Architecture (ZTA), and Security Technical Implementation Guides (STIGs).
• Manage the Authority to Operate (ATO) process including documentation, submission, and ongoing compliance monitoring.
• Demonstrate successful completion and maintenance of ATOs for programs or capabilities within DoD or federal environments.

Required Qualifications

• Bachelor’s degree in Cybersecurity, Information Assurance, or a related field OR a minimum of 5 years of equivalent experience in cybersecurity operations.
• Demonstrated experience implementing and enforcing security controls for cloud infrastructure, ensuring compliance with DoD security frameworks.
• Experience managing security configurations, conducting penetration testing, and implementing SIEM solutions such as Microsoft Sentinel and AWS Security Hub.
• 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 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.

Preferred Qualifications

• Not specified.

Required Education and Experience Equivalency

• Bachelor’s degree in Cybersecurity, Information Assurance, or a related field.
• No degree.
• OR 5 years of equivalent experience in cybersecurity operations.

Required Certifications

• None specified.

Required Security Clearance

• Active Top Secret/SCI