Senior Cloud Security Engineer (TS/SCI) Hybrid

CACI International Inc; Washington (District of Columbia); Hybrid; USD 104,000 - 218,000; Full time

Job summary

CACI International Inc is seeking a Cloud Security Engineer to join the Cyber Engineering team in a hybrid setting in Washington, DC. You will deploy and manage IDS/IPS, firewalls, virtualization and cloud resources, ensuring security across on-prem and cloud infrastructures.

The role requires TS/SCI eligibility, 7+ years of experience, strong Windows and Linux administration, and hands-on IaC experience with Ansible and Terraform, plus SIEM/EDR tooling.

Qualifications

• Active Top Secret with SCI eligibility required.
• 7+ years of relevant experience.
• BA/BS or equivalent years of relevant experience.
• DoD 8570/8140 IAT II baseline certification (e.g., CySA+, CND, Security+ CE, CCNA Security).
• Strong Windows Server administration (2016/2019/2022), Active Directory, DNS, DHCP, RDS and GPO management.
• Strong Linux administration knowledge including file systems, permissions, system monitoring, scripting, and RBAC.
• Expertise in PowerShell scripting.
• Familiarity with enterprise backup and DR tools (Veeam, Commvault) in HCI contexts.
• Solid understanding of networking fundamentals (TCP/IP, VLANs, routing, LACP).
• Proven capacity-planning, performance-tuning, and troubleshooting skills for HCI clusters.
• Experience with Infrastructure as Code (Ansible, Terraform, Git) for provisioning and lifecycle management.

Responsibilities

• Deploy and manage IDS, IPS, Firewalls, virtualization (VMDK, OVF, OVA, QEMU) and cloud images (AMIs, Azure VM Images).
• Manage virtual networking (OVS, AWS, Azure, VMWare, Nutanix, Virtual Box) and physical networks (CISCO, Arista).
• Utilize SIEM, SOAR, and EDR for security coverage across infrastructures.
• Automate provisioning, patching, and reporting via PowerShell, REST API, Ansible, and Terraform.
• Conduct disaster-recovery drills and maintain runbooks.
• Assist with investigation of security incidents and remediation.
• Apply STIGs to virtualized systems for compliance.
• Mentor junior team members on HCI and virtualization.

Skills

Top Secret with SCI eligibility

Windows Server administration

Linux administration

PowerShell scripting

SIEM

SOAR

EDR

Veeam

Commvault

Ansible

Terraform

Git

Nutanix

HCI

Networking fundamentals

IAcC (Infrastructure as Code)

Education

BA/BS or equivalent years of relevant experience

Tools

Ansible

Terraform

Git

Veeam

Commvault

Nutanix

Job description

CACI International Inc is seeking a Cloud Security Engineer to join the Cyber Engineering team in a hybrid setting in Washington, DC. You will deploy and manage IDS/IPS, firewalls, virtualization and cloud resources, ensuring security across on-prem and cloud infrastructures.

The role requires TS/SCI eligibility, 7+ years of experience, strong Windows and Linux administration, and hands-on IaC experience with Ansible and Terraform, plus SIEM/EDR tooling.