Job Title: OCONUS System Engineer-TS/SCI with Poly Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular-Long Term Assignment Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: 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. Responsibilities: 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. Qualifications: Required: 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 - 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: $108,400 - 227,500 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. Click on Search Jobs to find and apply to CACI openings.

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