Cloud Security Administrator

VulnU; Adelphi (MD); Hybride; USD 108 000 - 195 000; Plein temps

Avantages offerts par ce poste

Retirement match

Paid parental leave

Equity

Learning budget

Résumé du poste

Leidos is seeking a Cloud Security Administrator to support the U.S. Army CSSP in Adelphi, MD. You will help secure AWS cloud environments by managing security controls, coordinating remediation, and supporting continuous compliance monitoring.

You will collaborate with cloud engineers, cybersecurity specialists, and mission partners to strengthen cloud security, streamline remediation, and maintain operational readiness across enterprise environments.

Qualifications

• Bachelor's degree with 8 years of relevant experience or master's with 4 years in the field.
• Hands-on experience administering security controls in AWS or other enterprise cloud environments.
• Strong knowledge of RMF/ATO, NIST SP 800-53, and DISA STIG/SRG standards.

Responsabilités

• Administer, monitor, and maintain cloud security controls across AWS 2.0 and CSSP subscriber environments.
• Identify, assess, track, and coordinate remediation of cloud vulnerabilities, misconfigurations, and compliance findings.
• Manage AWS security capabilities, including IAM, CloudTrail, CloudWatch, Security Hub, GuardDuty, KMS, and VPC security controls.
• Support RMF, Authorization to Operate (ATO), and continuous monitoring through security assessments, control validation, and compliance documentation.
• Conduct security configuration reviews across AWS resources, Linux and Windows systems, and supporting cloud infrastructure.
• Support onboarding of CSSP subscribers into centralized logging, vulnerability management, Elastic Agent Defend, and other security services.
• Coordinate security patching, access reviews, change management, incident response, and ongoing security operations.
• Develop and maintain security procedures, operational runbooks, compliance evidence, and technical documentation.

Connaissances

AWS security services

Vulnerability management

RMF/ATO

DoD 8140

SIEM

Communication skills

Formation

Bachelor's degree in related field

Outils

IAM

CloudTrail

CloudWatch

Security Hub

GuardDuty

KMS

VPC security controls

Systems Manager

Tenable.sc/ACAS

Elastic Security

Elastic Agent Defend

Description du poste

# Cloud Security AdministratorLeidos · leidos.comCategory: Cloud SecurityLocation: Adelphi, MDSalary: $107,900 – $195,050Clearance: TS/SCI## Quality of lifeWhat the posting states. Hover or tap a perk to see the line it came from.* Retirement match* Paid parental leave* Equity* Learning budgetHelp secure mission-critical cloud environments supporting our nation's cyber defense.Leidos is seeking a Cloud Security Administrator to support the U.S. Army C5ISR Cyber Security Service Provider (CSSP). In this role, you'll help secure and sustain AWS cloud environments by managing security controls, identifying vulnerabilities, coordinating remediation, and supporting continuous compliance monitoring.You'll collaborate with cloud engineers, cybersecurity specialists, and mission partners to strengthen cloud security, streamline remediation, and maintain operational readiness across enterprise environments.If you're passionate about AWS security, vulnerability management, and protecting critical defense infrastructure, this is an opportunity to apply your expertise to a mission that matters.Location: Adelphi, MD | Hybrid (3 Days Onsite)Clearance: U.S. citizenship with an active Secret Required | TS/SCI Required for PositionPrimary ResponsibilitiesAdminister, monitor, and maintain cloud security controls across AWS 2.0 and CSSP subscriber environments.Identify, assess, track, and coordinate remediation of cloud vulnerabilities, misconfigurations, and compliance findings.Manage AWS security capabilities, including IAM, CloudTrail, CloudWatch, Security Hub, GuardDuty, KMS, and VPC security controls.Support Risk Management Framework (RMF), Authorization to Operate (ATO), and continuous monitoring through security assessments, control validation, and compliance documentation.Conduct security configuration reviews across AWS resources, Linux and Windows systems, and supporting cloud infrastructure.Support onboarding of CSSP subscribers into centralized logging, vulnerability management, Elastic Agent Defend, and other security services.Coordinate security patching, access reviews, change management, incident response, and ongoing security operations.Develop and maintain security procedures, operational runbooks, compliance evidence, and technical documentation.Basic QualificationsBachelor's degree with 8 years of relevant experience or master's degree with 4 years of relevant experience. Additional relevant experience may be considered in lieu of a degree.Hands-on experience administering security controls in AWS or other enterprise cloud environments.Working knowledge of AWS security services, including IAM, CloudTrail, CloudWatch, Security Hub, GuardDuty, Systems Manager, KMS, and VPC security controls.Experience with vulnerability management, security assessments, compliance monitoring, patch management, and remediation tracking.Familiarity with Linux and Windows security administration, including host-level and cloud security findings.Understanding of DoD cybersecurity requirements, RMF/ATO, NIST SP 800-53, and DISA STIG/SRG standards.Experience with SIEM, endpoint security, enterprise logging, security monitoring, and ticketing platforms.Strong analytical, troubleshooting, documentation, and communication skills.Ability to meet applicable DoD 8140 qualification requirements at start and obtain required CSSP and Computing Environment certifications within 90 days, as applicable to the assigned work role.U.S. Citizenship with an active Secret security clearance required at start, with TS/SCI required for the position, subject to program access and eligibility requirements.Preferred QualificationsExperience securing DoD cloud environments, including AWS GovCloud, IL4/IL5/IL6, Cloud One, or ECMA.Hands-on experience with Tenable.sc/ACAS, Elastic Security, Elastic Agent Defend, AWS Security Hub, or GuardDuty.Experience supporting RMF authorization packages, ATO assessments, and continuous-monitoring compliance activities.DoD 8140-aligned certification, such as CISSP, or equivalent certification appropriate to the assigned work role.AWS cloud or security certification and familiarity with scripting, automation, or infrastructure as code.If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.Original Posting:October 30, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $107,900.00 - $195,050.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.