The Opportunity:
Join our team supporting critical Government infrastructure by architecting and maintaining secure Linux-based systems in AWS Commercial Cloud Services (C2S) environment. You'll work on enterprise applications serving mission-critical operations while advancing your cloud and automation skills.
Responsibilities:
Design, deploy, and maintain Linux servers (Amazon Linux 2, Amazon Linux 2023) in AWS C2S environments
Build automation scripts (Bash, Python, PowerShell) to streamline provisioning, configuration management, and system maintenance
Implement Infrastructure as Code practices for repeatable, scalable deployments
System Operations & Reliability
Ensure high availability and performance of production applications through proactive monitoring (CloudWatch) and system health metrics
Execute application and database migrations with minimal downtime
Deploy security patches (IAVA), updates, and maintain compliance with security baselines
Security & Compliance
Collaborate with Information System Security Engineers (ISSE) to maintain security accreditation under ICD 503
Document security controls, create system security plans, and support Authority to Operate (ATO) processes
Maintain configuration management aligned with contract and customer requirements
Technical Documentation & Collaboration
Create clear technical documentation: architecture diagrams, SOPs, runbooks, and system documentation
Troubleshoot complex issues across hardware, software, networking, and cloud services
Support development, testing, and production environments including web servers, databases (MySQL, SQL Server), and DevOps tools
Qualifications:
Required:
Active TS/SCI security clearance with CI polygraph
CompTIA Security+ (or IAT Level II equivalent)
Technical Skills
3+ years Linux system administration (Red Hat, CentOS, Ubuntu, or Amazon Linux)
Hands-on AWS experience, specifically in C2S environments
Experience with Microsoft ecosystem: Active Directory, Windows Server, IIS, SQL Server
MySQL database administration
Strong organizational skills with ability to prioritize competing demands independently
Desired:
AWS Certified Solutions Architect â Associate
AWS Certified SysOps Administrator
Red Hat Certified System Administrator (RHCSA)
Advanced Technical Skills
AWS services: Auto Scaling, ELB, CloudWatch, Lambda, ECS, EC2, VPC, S3, IAM
Scripting proficiency: Python, Bash, PowerShell, JSON
Configuration management tools: Ansible, Terraform, CloudFormation
Containerization: Docker, Kubernetes, ECS
CI/CD pipelines: Jenkins, GitLab CI, Team Foundation Server
Version control: Git
Security & Compliance
ICD 503 framework familiarity
Experience with STIG implementation and security scanning tools
Core hours: 7:00 AM â 3:00 PM
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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, youâll be part of a high-performing group dedicated to our customerâs missions and driven by a higher purpose â 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. Youâll 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 â 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 - $218,100caci