Database Administrator at CACI in St. Louis, MO

Database Administrator Location: US MO St. Louis Job Title: Database Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: Join our team as a Database Administrator supporting critical Corporate Business Information Systems. In this role, you’ll work hands‑on with a broad range of database technologies—including Oracle, SQL Server, PostgreSQL, MySQL, and modern NoSQL platforms—while supporting key enterprise applications such as Momentum and PeopleSoft. You’ll operate in a dynamic environment, collaborating with customers across multiple networks, ensuring system reliability, performance, and data integrity. This is an on‑site position offering the chance to make a meaningful impact while growing your technical depth across cloud, Linux, and database ecosystems. Responsibilities: Support and administer Oracle RDBMS environments, including Oracle Grid Infrastructure, ASM, Data Guard, and Oracle Enterprise Manager Cloud Control. Provide database administration across multiple platforms: Oracle, MSSQL, PostgreSQL, MySQL, and NoSQL systems (MarkLogic, MongoDB, DynamoDB). Perform routine backup, restore, and disaster recovery operations using RMAN, snapshots, and archive log management. Troubleshoot system, database, hardware, and network issues; analyze performance and resolve complex technical problems. Create and execute ad‑hoc SQL queries for diagnostics, analysis, and issue resolution. Manage and maintain Linux operating systems and associated file systems. Develop and maintain administrative scripts in various languages. Conduct regular server audits to ensure compliance with standards, policies, and configuration guidelines. Maintain user accounts and ACLs on network file systems. Support system-level changes, assess impacts, and participate in technical exchanges with stakeholders. Ensure compliance with IT security, accreditation, and enterprise policies. Provide exceptional customer service to internal teams, external partners, and vendors. Participate in after‑hours and on‑call rotations as needed. ​ Qualifications: Required: Active TS/SCI clearance with ability to obtain a polygraph Bachelor’s degree in computer science, information systems, engineering, or related technical field Minimum 7 years of related experience AWS Cloud Practitioner Certification. Hands-on experience installing and administering Oracle Grid Infrastructure, RDBMS, Cloud Control, and ASM. Strong Linux administration skills. Experience with database cloning, monitoring, performance optimization, patching, and O&M activities. Proven ability to develop and maintain automation scripts. Solid understanding of AWS services: EC2, EBS, snapshots, DMS, DynamoDB, Lambda, and S3. Strong problem-solving, organizational, and communication skills. Ability to work at a computer for extended periods and move between workstations. IT security expertise and experience working within accredited environments. Desired: AWS Certified Solutions Architect (Associate or Professional). Oracle Cloud Certification. Experience with PeopleSoft applications and workflows. Familiarity with geospatial products and COP management. - 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: $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.