AWS Cloud System Administrator

CACI International Inc; Maryland; Hybrid; USD 70,000 - 143,000; Full time

Job summary

CACI International Inc. is seeking a Systems Administrator – Hybrid Cloud to support the EW Reprogramming MSC at Aberdeen Proving Ground, Maryland. The role focuses on Windows/Linux administration and AWS cloud integration for mission-critical environments.

The position requires a DoD security clearance and 5+ years of systems administration experience, with a strong emphasis on documentation, troubleshooting, and implementing backup/DR procedures. A blend of on-site and hybrid work is expected.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or related field; eight years of relevant experience may substitute for a degree.
• 5+ years of systems administration experience in Windows/Linux/cloud/hybrid environments.
• DoD 8140.03 IA certification as applicable.
• Experience with Windows enterprise environments and RHEL.
• Familiarity with AWS services (EC2, S3, IAM, VPC, CloudWatch/CloudTrail).
• Ability to document processes and learn new technologies quickly.

Responsibilities

• Administer and sustain hybrid Windows, RHEL, and AWS cloud environments.
• Install, configure, patch, monitor, troubleshoot, and maintain servers and services.
• Support AWS EC2, S3, VPCs, IAM, security groups, and load balancing.
• Administer IIS web servers and hosted applications.
• Monitor performance, logs, backups, and capacity; ensure DR procedures.
• Create and maintain system documentation and SOPs.
• Work independently to resolve issues and learn new technologies.

Skills

Windows administration

Linux administration

AWS cloud concepts

Documentation

Problem solving

Education

Bachelor’s degree in IT/CS

Tools

AWS

IIS

RHEL

Job description

The Opportunity:

CACI is seeking a Systems Administrator – Hybrid Cloud to support the EW Reprogramming Major Subordinate Command (MSC) at Aberdeen Proving Ground, Maryland.
Support AWS cloud and on-premises Windows/Linux infrastructure for Army Electronic Warfare reprogramming efforts. Perform systems administration, infrastructure sustainment, troubleshooting, monitoring, and technical documentation in a classified RDT&E environment.
Join an integrated team supporting mission-critical systems and evolving technical requirements. Ideal candidates bring strong Windows/Linux administration skills and the ability to learn AWS cloud administration quickly.

Responsibilities:

• Administer and sustain hybrid Windows, Red Hat Enterprise Linux (RHEL), and AWS cloud environments.
• Install, configure, patch, monitor, troubleshoot, and maintain servers and infrastructure services.
• Support AWS services including EC2, S3, VPCs, IAM, security groups, CloudWatch, CloudTrail, and load balancing.
• Administer IIS web servers and support hosted applications.
• Monitor system performance, logs, configurations, backups, and capacity.
• Develop and maintain backup, restoration, and disaster-recovery procedures.
• Troubleshoot system, network, and connectivity issues using available monitoring tools.
• Support approved firewall technologies and network-security configurations.
• Create and maintain system documentation, standard operating procedures, and troubleshooting guides.
• Work independently to resolve technical issues and learn new technologies supporting mission needs.

Qualifications:

Required:

• Active DoD Secret security clearance with ability to obtain TS/SCI.
• Bachelor’s degree in Information Technology, Computer Science, or related field; eight years of relevant experience may substitute for a degree.
• Five or more years of systems administration experience supporting Windows, Linux, cloud, or hybrid environments.
• Relevant Information Assurance certification in accordance with DoDM 8140.03, as applicable to assigned duties.
• Experience administering Windows enterprise environments and RHEL.
• Experience supporting IIS web servers.
• Familiarity with AWS services and cloud concepts, including EC2, S3, VPCs, IAM, monitoring, and logging.
• Ability to document technical processes, troubleshoot independently, and learn new technologies quickly.
• Experience working in a classified laboratory or similarly controlled environment.

Desired:

• Active DoD TS/SCI clearance.
• AWS Cloud Practitioner or other AWS certification.
• Hands‑on AWS administration experience.
• Experience supporting firewall technologies or network‑security devices.
• Experience with automation/scripting, Microsoft SQL Server, or PostgreSQL.

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:

$69,600 - 142,700 USD

CACI is anEqualOpportunity 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 otherprotectedcharacteristic.