Sytems AdministratorTester

The Opportunity:

Responsible for the administration operation troubleshooting and security of IT infrastructure supporting containerized applications. This includes container runtimes orchestration platforms cluster networking persistent storage and related security controls. Uses systems analysis techniques to diagnose and resolve issues affecting containerized workloads nodes storage and connectivity ensuring availability performance and integrity of the environment. Applies security patches OS and Kubernetes upgrades and container image updates. Supports new container-platform infrastructure projects and maintains accurate configuration documentation for assigned systems.

Responsibilities:

The Systems Administrator provides infrastructure and platform support for containerized applications. Responsibilities include identification of problems in the container environment root-cause diagnosis (pod/node failures resource constraints CNI/overlay networking issues persistent volume problems control-plane issues) and development of corrective action plans.

• Corrective maintenance: Isolate and restore failed containerized services nodes or cluster components.

• Perfective maintenance: Optimize cluster performance resource allocation autoscaling and observability.

• Adaptive maintenance: Update configurations perform version upgrades adapt to new security or infrastructure requirements and support platform changes while preserving workload functionality.

• Manage container lifecycle operations (image management deployments rollouts scaling) and the underlying container-runtime infrastructure.

• Create and maintain as-is documentation including high-level architecture diagrams of the containerized environment (clusters namespaces workloads services ingress storage classes networking and integration points) and associated system requirements.

• Support maintenance of active security authorizations (A&A) and Body of Evidence (BoE) artifacts (POAMs control implementations test plans). Implement applicable STIGs CIS Kubernetes Benchmarks vendor hardening guides for container platforms and ensure timely patching of nodes container images and related components. Integrate with enterprise security services (ESS) and use required tools (XACTA 360 Service CPT SWAP etc.).

• Support build test and deployment of container images Helm charts manifests and infrastructure configurations via enterprise government-managed CI/CD pipelines (where applicable). Focus is on platform operations image/registry management and orchestrationnot application code develop

Qualifications:

Required:

• Bachelors Degree in Computer Science Information Systems Engineering or a related technical/scientific discipline.

• Minimum of six (6) years of system administration experience. Experience with container technologies (Docker/container Kubernetes) and preferably AWS (EKS or equivalent) or comparable cloud/on-premises container platforms.

• CompTIA Security or the ability to obtain within 90 days

• Active/current TS/SCI clearance with the ability to obtain and maintain a Polygraph.

Desired:

• Experience with Helm or similar packaging tools.

• Container security knowledge (image scanning network policies runtime protection CIS benchmarks).

• GitOps experience and CI/CD pipelines for container deployments.

• Prior experience in classified DoD/IC environments supporting A&A processes.

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 youll be part of a high-performing group dedicated to our customers 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. Youll 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 nations 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: