Cyber Security Administrator - SOUTHCOM EDA

CELESTAR

$90K — $120K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Cybersecurity, Information Assurance, or equivalent experience in cybersecurity operations (5+ years).
  • Experience in implementing and enforcing security controls for cloud infrastructure in accordance with DoD standards.
  • Proficient in managing security configurations and conducting penetration testing.
  • Experience with Security Information and Event Management (SIEM) solutions, like Microsoft Sentinel or AWS Security Hub.
  • Skilled in performing risk assessments and continuous monitoring in cloud environments.
  • Expertise in managing the Authority to Operate (ATO) lifecycle and its associated documentation.
  • Active TS/SCI Clearance.

Responsibilities

  • Ensure documentation of Authorization to Operate (ATO) and security compliance and manage ATO processes.
  • Implement and manage security controls, risk assessments, and compliance measures in GovCloud environments like Azure and AWS.
  • Demonstrate proficiency in NIST 800-53 Rev. 5, FedRAMP, and DoD RMF security mandates.
  • Utilize SIEM, RBAC, vulnerability scanning, and incident response methodologies effectively.
  • Expertly work with cloud-native security tools, Zero Trust Architecture, and Security Technical Implementation Guides.
  • Oversee the ATO process and maintain compliance for DoD programs or federal environments.
  • Coordinate with DoD cybersecurity officials for sustaining ATOs.

Benefits

  • Comprehensive company-paid dental insurance for employees and their families.
  • Health insurance coverage for employees.
  • Life and disability insurance included.
  • 401(k) retirement plan with company matching contributions.
  • Generous paid holidays and personal time off.
Full Job Description
Celestar, a B&A Company, is seeking a Cyber Security Administrator to support USSOUTHCOM J26 ENHANCED DOMAIN AWARENESS task order. If interested and meet the qualifications, we encourage you to apply for this rewarding and impactful opportunity.

ANTICIPATED AWARD: July 2026
ANTICIPATED START: July 2026
PERIOD OF PERFORMANCE: 1 Base Year + 3 Option Years
LOCATION: Doral, FL

CLEARANCE REQUIREMENT: Active TS/SCI Clearance

Responsibilities:
• The Cyber Security Administrator ensures documentation of ATO, security compliance, ATO management, continuous monitoring, vulnerability scanning, and incident response
• Possess the knowledge and capability to implement and manage security controls, risk assessments, and compliance measures across GovCloud-hosted environments, including Azure and AWS.
• Personnel must be proficient in NIST 800-53 Rev. 5, FedRAMP, DoD RMF, and IL-4/IL-5 security mandates.
• Experience in security information and event management (SIEM), role-based access control (RBAC), vulnerability scanning, and incident response is required.
• Personnel must also have expertise in cloud-native security tools, Zero Trust Architecture (ZTA), and Security Technical Implementation Guides (STIGs).
• Personnel must have extensive experience with the Authority to Operate (ATO) process, including documentation, submission, and ongoing compliance monitoring, and must be able to demonstrate successful completion and maintenance of ATOs for programs or other capabilities within a DoD or federal environment.

Required Qualifications and Skills (Must Be Reflected on Your Resume):
• A Bachelor's degree in Cybersecurity, Information Assurance, or a related field -OR- A minimum of 5 years of equivalent experience in cybersecurity operations.
• Must have demonstrated experience in Implementing and enforcing security controls for cloud infrastructure, ensuring compliance with DoD security frameworks.
• Managing security configurations, conducting penetration testing, and implementing SIEM solutions (e.g., Microsoft Sentinel, 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 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.
Active TS/SCI Clearance

Come on board with a company that Values its Employees!

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