Cloud Security Engineer

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

Job Title: Cloud Security Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

The Opportunity

The Cyber Engineering team is responsible for cybersecurity infrastructure, providing guidance, consultation, research, and technical information on capabilities, connections, limitations, and risks; utilize Senior knowledge to recommend improvements and changes to security posture, capability deployment, focus areas for threats & vulnerabilities.

Hybrid!

Responsibilities

• Deploy and manage Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Firewalls, virtual machines (VMDK, OVF, OVA, and QEMU), including cloud-based images (e.g., AMIs, Azure Virtual Machine Images), virtual networking (OVS, AWS, Azure, VMWare, Nutanix, Virtual Box), and physical networks (CISCO and Arista), as well as forensic tools (Encase, Axiom, etc.).
• Identify, design, and deploy security solutions, leveraging both cloud-native and commercial off-the-shelf (COTS) technologies. This includes utilizing security tools such as Security Information and Event Management (SIEM), Security Orchestration, Automation and Response (SOAR), and Endpoint Detection and Response (EDR) solutions to ensure comprehensive security coverage across all infrastructures.
• Monitor cluster health, capacity, and performance; tune settings to optimize resource utilization.
• Automate provisioning, patching, and reporting workflows via PowerShell, REST API, Ansible, and Terraform.
• Conduct disaster-recovery drills, validate restore procedures, and maintain job guides/runbooks.
• Assist with investigation of security incidents; recommend and implement solutions to remediate or mitigate.
• Apply Security Technical Implementation Guides (STIGs) to virtualized systems to maintain compliance with security standards and regulations.
• Mentor and train junior team members on HCI and virtualization best practices.

Qualifications

Required:

• An active Top Secret with SCI eligibility clearance.
• 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.

Desired

• DoD 8570/8140 IAT III baseline certification (e.g., CISSP, CISM, CIS
• Understanding of the RMF steps and ATO process.
• Knowledge in Change Management process.
• Experience in auditing procedures.
• Experience with Nutanix virtual environments.

What You Can Expect

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The Proposed Salary Range For This Position Is

$103,800 - $218,100

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.