Senior Platform Engineer (DevSecOps)

CACI International Inc; Denver (CO); On-site; USD 82,000 - 172,000; Full time

Job summary

CACI International Inc. is seeking a Senior Platform Engineer (DevSecOps) to design, build, and scale cloud-native applications and a Digital Twin environment.

You will enable a multidisciplinary team to meet mission-critical needs, working with RF hardware engineers and system designers in an agile setting. The role requires extensive cloud/infrastructure engineering experience, hands-on OpenShift/Kubernetes, and strong IaC skills.

Qualifications

• U.S. Citizenship required.
• Active TS/SCI clearance eligibility required.
• BS/BA plus 5 years of experience or equivalent.
• 5+ years in cloud/infrastructure engineering.
• Hands-on experience with OpenShift, AWS, GCP or Rancher.
• Terraform skills with infrastructure as code.
• Production Kubernetes clusters (OpenShift/Rancher).
• Containers (Docker/Podman) and CI/CD pipelines (GitLab/Jenkins).
• Scripting/programming abilities and GitOps (ArgoCD).

Responsibilities

• Design, implement, and support IaC using Terraform or similar tools.
• Build, optimize, and maintain production-grade CI/CD pipelines (GitLab or Jenkins).
• Build and maintain automation via scripts and other tools.
• Configure security controls across cloud environments.
• Manage compute, storage, networking, and databases across clouds.
• Collaborate with engineers to integrate testing into pipelines.
• Enforce security best practices for systems and data privacy.
• Provision OpenShift/Kubernetes environments across security domains.
• Conduct trade studies for open-source, commercial, or government solutions.
• Collaborate with teams to scale platforms and meet integration needs.
• Work with Security to ensure ongoing compliance and secure solutions.

Skills

Top Secret clearance

Cloud/infrastructure engineering

OpenShift/AWS/GCP/Rancher

Terraform (IaC)

Kubernetes (OpenShift/Rancher)

Containers (Docker/Podman)

CI/CD pipelines (GitLab/Jenkins)

Scripting/programming

GitOps (ArgoCD)

Education

BS/BA

Tools

OpenShift

AWS

GCP

Rancher

Terraform

Kubernetes

Docker

Podman

GitLab

Jenkins

ArgoCD

Job description

Job Title: Senior Platform Engineer (DevSecOps) 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 Anticipated Posting End: 3/1/2027

The Opportunity

CACI is seeking a Platform Engineer to design, build, and scale our innovative applications and technologies as part of our DevSecOps team. This role will be responsible for enabling a multidisciplinary engineering team to meet the requirements of a mission critical cloud-based force protection system with a Digital Twin environment. The chosen engineer will work closely with RF hardware engineers, system designers, and other stakeholders to deliver a high-performance, reliable RF system and Digital Twin. The ideal candidate is a self-motivated technical leader who thrives in agile environments and adapts quickly to emerging technologies and requirements.

Responsibilities

• Design, implement, and support services using Infrastructure as Code (IaC) tools such as Terraform or similar technology.
• Build, optimize, and maintain production-grade CI/CD pipelines (Gitlab or Jenkins).
• Build and maintain automation using scripts and other tools.
• Configure and tune groups , application gateways, and other protective cloud controls.
• Manage compute, storage, networking, and database services across cloud environments while ensuring adherence to security and compliance frameworks.
• Collaborate closely with other engineers and subject matter experts to integrate testing into pipelines.
• Establish and enforce security best practices for system implementations and data privacy.
• Provisioning Red Hat OpenShift/Kubernetes environments across multiple security domains in Cloud, data center, and edge environments.
• Conduct trade studies to select appropriate open-source, commercial or existing government solutions/technologies to balance security, supportability, performance, cost, user experience, and time to operations.
• Collaborate with other teams to understand integration requirements and scale existing platforms to meet them.
• Work with Security to ensure ongoing compliance and develop secure solutions.

Qualifications

Required:

• U.S. Citizenship required
• Must have an active Top Secret clearance with SCI eligability
• BS/BA + 5 years or equivalency
• 5+ years of experience in cloud/infrastructure engineering
• Extensive hands‑on engineering experience in one or more of OpenShift, AWS, GCP or Rancher
• Expert Terraform skills or similar; proven experience managing infrastructure with infrastructure as code
• Experience operating production Kubernetes clusters (OpenShift/Rancher) supporting processing workloads
• Experience with containers (Docker, Podman) and CI/CD (Gitlab or Jenkins pipelines)
• Scripting/programming abilities
• Experience with GitOps (ArgoCD)

Desired

• Linux/Red Hat knowledge
• Experience with Digital Twin systems
• Elastic Stack (Elastic, Logstash, Kibana) or similar
• Experience with continuous monitoring and automated security tools
• Strong communication skills for presenting to senior leadership

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

$82,100-$172,400

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.