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Job Title: Platform Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 75% Type of Travel: Local Anticipated Posting End: 12/31/2026 The Opportunity: The CIS program supports our intelligence customer deliver IT services to conduct its globally distributed operations. We are driving an exciting technological transformation of customer IT services by leading the design, development, implementation, and operation of cutting-edge solutions. This includes continuous service improvement through the modernization of IT system infrastructure.

CACI is looking for an experienced, innovative, and motivated Platform Engineer to support the mission objectives and needs of the customer, the Defense Intelligence Agency. In this role, you will be the technical authority responsible for engineering secure, resilient, and scalable platform services across Windows Server, Linux, virtual, physical, and cloud environments. You will design optimized operating system configurations, database platforms, and collaborationservice infrastructure that meet stringent DoD, IC, and agency compliance requirements.

Your work will drive modernization, automation, and missionready performance through rigorous engineering, testing, documentation, and seamless transition of solutions into operations. The position is contingent upon award of the DIA SITE III CIO Infrastructure Services (CIS) contract. Responsibilities: Design efficient Windows Server and Linux operating system configurations to host enterprise business systems and customer applications.

Lead modernization and upgrade efforts for enterprise SQL Server clustered platforms, ensuring RMF accreditation and Authority to Operate (ATO) approval. Develop, review, and implement agency, DoD, and IC standards for SharePoint/Collaboration services and Windows Server, database, and application security, including DISA STIG compliance. Manage and maintain DIA's database infrastructure, including enterprise SQL Server clusters and standalone databases.

Apply familiarity with physical hardware, virtual infrastructure, and cloud deployment variations to support diverse mission requirements. Support Interim Authority to Test (IATT) and recurring ATO packages for acquired or inherited environments. Collaborate with Operations teams to ensure maximum availability and reliability when accessing physical or remote administration services.

Automate builds, rebuilds, zeroday configurations, and deployment processes for highavailability platform services. Analyze requirements, concepts of operations, and system architectures to produce detailed platforminfrastructure designs aligned with mission objectives. Work with Operations teams and Government stakeholders to refine requirements and verify availability, reliability, resiliency, and operability objectives.

Research optimal design characteristics, conduct Analyses of Alternatives, and provide informed recommendations on platform technologies and feasibility studies. Integrate capacity, performance, and servicelevel metrics into platform designs to optimize user experience and infrastructure utilization. Produce engineering artifacts, detailed designs, test cases, training content, and supporting documentation-including CONOPS-while working independently or guiding small teams.

Research new platform technologies, evaluate integration value, and provide objective tradeoff analyses as part of Continual Service Improvement and innovation cycles. Use Lab facilities to conduct experimentation, feasibility studies, investigations, and technology validation. Develop unit and systemlevel test cases and scripts, ensuring complete coverage and successful outcomes before production deployment.

Support acceptance testing, Blue/Green fielding, and early production rollouts to ensure smooth operational adoption of engineered solutions. Provide advanced troubleshooting, repair, and optimization for Virtual Desktop Infrastructure components related to platform service delivery. Develop platform strategies for assessment, planning, vendor evaluation, procurement, deployment governance, compliance assurance, and risk management across phased modernization efforts.

Support endtoend engineeringtooperations transition activities to maintain stable, secure, and missionaligned platform performance. Qualifications: Required: Must hold a current Top Secret SCI clearance with ability to obtain poly prior to start DOD 8140 Certification applicable to role (minimum Security+) HS and 16+ years of experience, an AA and 14+ years of experience, BS/BA and 12+ years of experience, MS/MA and 10+ years of experience, or PhD and 8+ years of experience Minimum 4 years of hands-on experience designing, integrating, validating, and implementing IT hardware and software solutions Microsoft-certified Windows Server Hybrid Administrator Associate or Red Hat Certified Administrator (RHCS) or Linux Professional Institute LPIC-1 certification Willingness to learn new skills and new technologies Desired: Degree in Science, Technology, Engineering, or Mathematics Familiarity with IC ITE services and classified environments ITIL 4 Foundation Certification (or higher) - 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. Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is: $90,300-$189,600 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.