Infrastructure/Operations Engineer Aberdeen Proving Ground, MD, US

CACI International Inc.; Aberdeen, Northern (MD, KY); Hybrid; USD 99,000 - 209,000; Full time

Job summary

CAСI International Inc. is seeking an Infrastructure/Operations Engineer to support the DSOP platform, hosted on AWS with Kubernetes via EKS. The role requires DoD Secret clearance, a strong engineering background and hands-on experience with IaC, cloud-native deployments, and security.

You will work across Linux, IAM, monitoring, and incident response in a critical government contract environment. The position emphasizes implementing scalable cloud architectures, automation scripting, and

Qualifications

• Active DoD Secret clearance required.
• Bachelor’s degree in Computer Science, Mathematics, or other Engineering or Technical discipline; advanced degree desired.
• 7 years’ experience or 15 years of applicable experience may substitute for the degree.
• IAT Level II Certification (CCNA Security, CSA+, GICSP, GSEC, Sec+CE, SSCP).
• Proficient in administration of software development tools and environments.
• Proficient in Infrastructure as Code using Terraform and AWS CloudFormation.
• Deep understanding of Linux in AWS and cloud-native Kubernetes deployments.
• Experience deploying and managing AWS EKS and Kubernetes security.
• Experience with Git and GitOps workflows.
• Experience integrating identity management (AD/SSO Keycloak) and IAM Roles for Service Accounts.

Skills

Linux administration

AWS cloud

Kubernetes (EKS)

IAM/IRSA concepts

Scripting (Python/PowerShell)

GitOps workflows

Networking basics

Excellent communication

Education

Bachelor’s degree in Computer Science, Mathematics, or Engineering

Advanced degree desirable

Tools

Terraform

AWS CloudFormation

Kubernetes (EKS)

Git

Confluence/Jira (environment tools)

Job description

Job Title: Infrastructure/Operations Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

The Opportunity:

The DSOP platform is a regularly evolving suite of software development and delivery tools. It is hosted on AWS and leverages all cloud native technologies. It is a container driven ecosystem hosted on Amazons Elastic Kubernetes Service. Currently, it consists of the following software tools:

• Gitlab
• Atlassian Jira
• Atlassian Confluence
• Nexus Repository
• SonarQube
• Draw.io
• Semgrep
• Keycloak
• ArgoCD

AWS native tools are utilized to support the platform logging and monitoring with FY26 plans to include a Grafana based monitoring stack.

Qualifications: Required:

• An active DoD Secret.
• Bachelor’s degree in Computer Science, Mathematics, or other Engineering or Technical discipline. An Advanced degree is desired.
• 7 years’ experience or 15 years of applicable experience with appropriate certifications may be substituted for the degree.
• IAT Level II Certification (CCNA Security, CSA+, GICSP, GSEC, Sec+CE, SSCP).
• Computing environment certification
• Proficient in the administration of software development applications listed in the “Environment Details” section.
• Proficient in Infrastructure as Code (IaC) using tools such as Terraform, AWS CloudFormation
• Deep understanding of Linux administration in Amazon Web Services (AWS)
• Proven experience deploying and managing cloud-native (AWS) Elastic Kubernetes Services (EKS) solutions
• Strong understanding of Kubernetes security, RBAC, pod security policies, and IAM Roles for Service Accounts (IRSA)
• Experience in using Git and GitOps workflows.
• Proven integration of identity management and directory services, specifically ADFS integration (Active Directory Federated Services) and SSO leveraging OIDC/SAML tools such as Keycloak
• Deep understanding of AWS services: EC2, IAM, VPC, ALB/NLB, Route53, S3, CloudWatch
• Proficiency in container orchestration which involves managing and automating the deployment, scaling, and operations of application containers across clusters of hosts (Kubernetes, Docker Swarm, Docker Compose)
• Proficient providing escalation support for cloud-related incidents and service requests
• Experience monitoring system performance and availability using cloud-native and third-party tools
• Automating routine tasks through scripting (e.g., Ansible, PowerShell, Python, Bash)
• Exceptional technical troubleshooting skill (applications, services, servers, networking, etc.)
• Excellent verbal communications skills
• Effective writing to produce documentation for technicians, and users

Desired:

• Experience using project planning software (such as Jira, Jira Service Desk and Confluence for planning and task tracking)

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:

$99,300 - 208,600 USD

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.