SW Developer - Operational Systems Engineer

CACI International Inc; Chantilly (VA); On-site; USD 94,400 - 198,200; Full time

Job summary

CACI International Inc seeks a Test Automation & DevOps Engineer in Chantilly, VA to lead the design and implementation of a scalable cross-platform test automation system. The role spans OSI layer applications, infra as code, and DevOps tooling, with a focus on automation, AI integration, and supporting diverse hypervisor platforms.

The candidate will work across Python/C++, Linux/Windows, Docker, and CI/CD pipelines, ensuring robust, scalable test environments for mission-critical projects.

Qualifications

• Bachelor's degree in a relevant technical discipline with 5+ years in a technical role.
• Active TS/SCI clearance with polygraph.
• 5+ years Python and strong C++ experience for enterprise apps.
• 5+ years leading design, architecture and development of enterprise-scale apps.
• Experience on Linux and Windows environments supporting testing targets.
• Experience automating and managing multiple hypervisor platforms (VMware/KVM).
• Familiarity with DevOps, Docker, and CI/CD pipelines for automation.

Responsibilities

• Design, engineer, and implement IT systems used by the client’s mission network.
• Apply knowledge of OSI model layers 1-4 in system design.
• Identify opportunities to improve efficiencies in IT systems.
• Work in a fast-paced, ambiguous setting and translate concepts for leadership.
• Lead a project from inception to completion with minimal supervision.
• Brief colleagues and partners on methods, tooling, and deconfliction.

Skills

Python programming

C++ programming

Enterprise scale apps

DevOps & CI/CD

Hypervisor platforms

Docker

OAuth/JWT/OpenID Connect

SQL Server / MongoDB

Leadership / guidance

Education

Bachelor's degree in Computer Science or Computer Engineering

Tools

Docker

VMware

KVM

Proxmox

Arrsible CI/CD tools (Jira/Confluence/Bamboo)

Ansible

Terraform

Job description

Job Title: Test Automation & DevOps Engineer

• Job Category: Engineering
• Time Type: Full time
• Minimum Clearance Required to Start: TS/SCI with Polygraph
• Employee Type: Regular
• Percentage of Travel Required: Up to 10%
• Type of Travel: None

Opportunity

CACI is seeking a talented Operational Systems Engineer to join our team in Chantilly, VA to help lead the implementation, system administration, and O&M for client’s scalable cross‑platform software test automation system. Your work will focus on designing, engineering and extending an existing system (DART) and re‑implementation of an application layer for test automation that enables open‑source infrastructure as code (IAC) technologies (e.g. Ansible, Terraform), and DevOps tools (e.g. Bamboo, Bitbucket, Confluence, Jira) as well as supporting legacy python bindings and modern REST endpoints with swagger documentation. The successful candidate will provide a professional evaluation, use‑case alignment, and assessment of the potential technology stack, including support for physical hardware, KVM, Proxmox, and VMWare‑based and other hypervisor platforms and tradeoffs before initial implementation with management approval. The goal includes ability to scale our software test automation to support AI‑integrated rapid software projects, including using LLMs for agile automation development in addition to legacy workloads.

Responsibilities

• Design, engineer/develop, and implement IT systems used by the client’s mission network to support end users
• Apply knowledge of operational tradecraft at OSI model layers 1-4
• Identify opportunities to integrate efficiencies into innovative IT systems that enhance the cyber mission
• Work effectively in a fast‑paced, ambiguous setting, distilling complex technical concepts into actionable insights for leadership
• Ability to run a project independently from inception to completion, including requirements gathering, design, implementation, testing, and final documentation with minimal supervision
• Brief colleagues and mission partners on operational methodology, tool development, equipment functionality, and technical/operational deconfliction

Qualifications

Required

• Bachelor’s degree in a relevant technical discipline (i.e., Computer Science, Computer Engineering), with a minimum of 5+ years’ experience in a relevant technical field to the position
• Active TS/SCI clearance with required polygraph
• 5+ years programming efficiency in Python and strong knowledge of C++ for developing robust applications
• 5+ years demonstrating an ability to lead the design, architecture and development of enterprise‑scale applications
• 5+ years developing agnostic operating system‑based platforms, to include applications across both Linux and Windows ecosystems to support diverse testing targets
• Experience automating and managing multiple hypervisor platforms (both VMWare and KVM) to host complex, scalable, and highly customized environments
• Familiarity with DevOps principles, experience with Docker for containerization, and working experience with CI/CD pipelines for automation of testing and deployment
• Experience developing end‑to‑end automation solutions implementing logic for automated resource scaling
• Understanding authentication protocols such as OAuth, JWT and OpenID Connect
• Strong understanding of SQL Server and ability to manage and optimize database performance and/or MongoDB for NoSQL data storage needs
• Sound judgment, problem‑solving, and decision‑making skills with an ability to adapt to emerging issues and changing priorities under short deadlines
• Demonstrated ability to learn quickly and stay abreast of leading‑edge technologies

Desired

• Programming efficiency in additional languages such as C++, Go, or Rust to optimize low level hypervisor interactions
• 5+ years programming efficiency in C# and .NET Core for developing robust applications
• Experience automating and managing multiple hypervisor platforms (Harvester) to host complex, scalable, and highly customized environments
• Infrastructure as Code (IaC) experience working with tools such as Ansible or Terraform and/or Helm to manage and version‑control the underlying virtualized testing hardware and configurations
• Experience with Kubernetes for container orchestration
• Experience with both on‑premise and cloud deployment technologies and automation
• Kernel and driver knowledge across Linux and Windows kernel drivers to assist in deep‑level application compatibility testing
• Experience in managing large‑scale remote workstation clusters, focusing on high‑availability and minimal latency for highly scalable resource capabilities
• Experience with AI‑assisted tools for enhancing development productivity and automation
• Ability to integrate Machine Learning models into applications
• Understanding of Event‑Driven architecture principles for designing scalable systems
• Knowledge of ElasticSearch for log management and search functionalities, or general knowledge integrating open‑source ELK stack tools
• Detail oriented, organized, able to multitask, and adaptable to shifting requirements
• Flexibility – Works well both independently and as a team player; must be eager to learn
• Candidate should be a self‑starter and possess a willingness to dive into new technologies when appropriate
• Experience implementing and documenting standard operating procedures of systems or networks

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

$94,400 - $198,200

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.