> Markdown version of [/jobs/ext/1950420-oconus-system-engineer-ts-sci-with-poly](https://www.wearedevelopers.com/jobs/ext/1950420-oconus-system-engineer-ts-sci-with-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # OCONUS System Engineer-TS/SCI with Poly - **Company:** Caci Inc - **Location:** United States - **Experience:** Expert - **Salary:** $103,400.0 - $217,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Systems Engineering, Backup Devices, Bash Shell, Configuration Management, Cyber Security, Disaster Recovery, Python (Programming Language), Network Troubleshooting, Linux System Administration, Linux Servers, Microsoft Visio, Windows Servers, Dell PowerEdge, Windows PowerShell, Systems Architecture, Systems Integration, VMware Virtualization, Software Troubleshooting, Reliability of Systems, Information Technology, Data Management, Network Server - **Published:** August 6, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9080344/oconus-system-engineer-tssci-with-poly ## About the Role * Active TS/SCI clearance with Polygraph * Bachelor's degree in Computer Science, Information Technology, Engineering, or related technical field AND ten (10) years of relevant experience (Additional experience may substitute for degree) * 10+ years of progressively responsible experience in enterprise infrastructure engineering * Demonstrated expertise engineering Windows Server and Linux environments * Proven ability to develop clear, comprehensive technical documentation and engineering diagrams Desired: * Security+ CE or equivalent DoD 8570 IAT Level II certification * Hands-on experience with VMware virtualization technologies * Track record integrating enterprise storage, backup, and disaster recovery solutions * Experience supporting secure Government or DoD enterprise environments * Proficiency with Dell PowerEdge servers and enterprise storage platforms * Scripting and automation skills using PowerShell, Python, or Bash * Strong troubleshooting abilities in complex, multi-layered infrastructure environments ## Description CACI is seeking an accomplished Senior Systems Engineer to join our elite team supporting critical operations in Southeast Asia. This non-hostile OCONUS position offers both PCS and TDY assignment options, providing flexibility for the right candidate. As our Senior Systems Engineer, you'll serve as the principal technical authority responsible for engineering, integrating, and optimizing mission-critical infrastructure that directly enables U.S. Government operations. This role places you at the forefront of technology implementation in a diverse, multinational environment where your technical expertise and cultural awareness will be equally valued. You'll provide strategic technical leadership across enterprise infrastructure domains-including servers, virtualization, storage, networking, and cybersecurity-while mentoring the next generation of engineers and driving measurable improvements in system reliability, security, and operational excellence., * Design, engineer, integrate, and maintain enterprise IT infrastructure supporting mission-critical operations. * Lead engineering efforts for Windows and Linux server environments. * Design and maintain VMware virtualization infrastructure. * Engineer storage, backup, and disaster recovery solutions. * Analyze system performance and recommend improvements to increase availability, resiliency, and security. * Lead troubleshooting efforts involving complex hardware, software, virtualization, storage, and network issues. * Develop engineering implementation plans, technical documentation, and system diagrams. * Review existing system architectures and recommend modernization opportunities. * Support technology refresh initiatives, system upgrades, migrations, and new capability deployments. * Coordinate engineering activities with Government personnel, vendors, and contractor teammates. * Participate in engineering reviews, configuration management, and change control processes. * Ensure engineering activities comply with cybersecurity requirements and organizational security policies. * Develop and maintain Visio diagrams, engineering drawings, implementation procedures, and as-built documentation. * Mentor junior System Administrators and Network Engineers in engineering best practices. * Provide Tier III technical support for enterprise infrastructure and mission systems. * Support installation, configuration, testing, and sustainment of customer-specific systems. ## Related Videos - [Kubernetes Security - Challenge and Opportunity](https://www.wearedevelopers.com/videos/412-kubernetes-security-challenge-and-opportunity) - [The Software Bug All Stars - and what we can learn from them](https://www.wearedevelopers.com/videos/423-the-software-bug-all-stars-and-what-we-can-learn-from-them) - [Old tools, new tricks](https://www.wearedevelopers.com/videos/1916-old-tools-new-tricks) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [MCP doesn’t suck — your agent does](https://www.wearedevelopers.com/videos/100202-mcp-doesn-t-suck-your-agent-does) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)