Senior Cloud Security Administrator — AWS & RHEL

Leidos; Adelphi (MD); Ibrido; USD 108.000 - 195.000; Tempo pieno

Vantaggi offerti da questo lavoro

Health and Wellness programs

Paid Leave and Retirement

Competitive compensation

Descrizione del lavoro

Leidos is seeking a Cloud Security Administrator to protect AWS cloud environments for the CSSP. The role requires senior-level RHEL administration to support RMF/ATO and continuous monitoring across enterprise environments.

You will manage security controls (IAM, CloudTrail, CloudWatch, Security Hub, GuardDuty, KMS, VPC) and coordinate vulnerability remediation. The position is in Adelphi, MD, hybrid with 3 onsite days per week.

Competenze

• 8+ years of relevant experience with a Bachelor's or 4+ years with a Master's in a related field.
• Hands-on experience administering security controls in AWS or other enterprise cloud environments.
• Experience with AWS security services: IAM, CloudTrail, CloudWatch, Security Hub, GuardDuty, KMS, and VPC controls.
• Experience with vulnerability management, compliance monitoring, patching, and remediation tracking.
• Hands-on RHEL administration in production/enterprise environments.
• Experience with Ansible for automation and DoD RMF/ATO, NIST SP 800-53, DISA STIG/SRG knowledge.
• Experience with SIEM, endpoint security, and enterprise logging.

Mansioni

• Administer, monitor, and maintain cloud security controls across AWS 2.0 and CSSP subscriber environments.
• Diagnose and resolve Linux OS, service, storage, networking, authentication, and application issues.
• Identify, coordinate remediation of cloud vulnerabilities and misconfigurations.
• Manage AWS security tooling: IAM, CloudTrail, CloudWatch, Security Hub, GuardDuty, KMS, and VPC controls.
• Support RMF, ATO, and continuous monitoring with assessments and documentation.
• Conduct security configuration reviews across AWS resources and Linux/Windows systems.
• Onboard CSSP subscribers to centralized logging, vulnerability management, and Elastic Defender services.
• Coordinate patching, access reviews, change management, and incident response.
• Develop and maintain security runbooks and compliance evidence.

Conoscenze

RHEL administration

Cloud security

Vulnerability management

RMF/ATO understanding

DoD 8140 knowledge

Documentation

Formazione

Bachelor's degree

Strumenti

AWS IAM

AWS CloudTrail

AWS CloudWatch

AWS Security Hub

GuardDuty

KMS

VPC security controls

Ansible

RMF tooling

Tenable.sc/ACAS

Elastic Security

Elastic Agent Defend

Descrizione del lavoro

Leidos is seeking a Cloud Security Administrator to protect AWS cloud environments for the CSSP. The role requires senior-level RHEL administration to support RMF/ATO and continuous monitoring across enterprise environments.

You will manage security controls (IAM, CloudTrail, CloudWatch, Security Hub, GuardDuty, KMS, VPC) and coordinate vulnerability remediation. The position is in Adelphi, MD, hybrid with 3 onsite days per week.