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Oracle Database & Application Developer - ISEC-MED

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Onsite

Oracle Database & Application Developer - ISEC-MED

Semper Valens Solutions

Oracle Database & Application Developer - ISEC-MED

Skills

SQL QueriesC#.NETMicrosoft SQL ServerOracle DatabaseCybersecurityLinuxGDPROracleDatabase AdministrationComplianceFullstack DevelopmentJavascript

19 days ago

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Important information


Contract type:

Permanent

Location:

St. Louis, MO, USA

Work mode:

Onsite

Published on:

2 October 2026

What they need


Oracle Database & Application Developer Full Time, On-Site, Overland, MO Secret Clearance Sign On Bonus: up to $2,500 Referral Bonus: $1,000.00 Overview Semper Valens Solutions is seeking an experienced Oracle Database & Application Developer to join our team supporting mission-critical U.S. Army business systems and web-based applications.

Key Responsibilities

  • Administer and optimize Oracle databases to ensure availability, performance, reliability, security, and data integrity.
  • Install, configure, patch, upgrade, monitor, and troubleshoot Oracle database environments and related software.
  • Develop, develop, maintain, and optimize database schemas, tables, views, stored procedures, PL/SQL, and SQL queries.
  • Analyze execution plans, indexing strategies, storage utilization, and system resources to improve database performance.
  • Perform backup, recovery, disaster recovery, and business continuity activities.
  • Develop and maintain data-driven web applications and web services that interface with Oracle and SQL Server databases.
  • Collaborate with developers, system administrators, cybersecurity personnel, and customers to gather requirements and deliver application enhancements.
  • Develop and implement database security controls, auditing procedures, role-based access, authentication, encryption, and data protection measures.
  • Troubleshoot database connectivity, application integration, data-processing, and system-interface issues across Windows and web-based environments.
  • Support application testing, deployments, upgrades, database migrations, and configuration changes across development, test, and production environments.
  • Develop reports, dashboards, and data-analysis products supporting operational and business requirements.
  • Monitor database storage, file structures, access methods, and data access controls.
  • Use tools such as Oracle Enterprise Manager, TOAD, or equivalent database administration and monitoring solutions.
  • Develop and maintain technical documentation, user guides, data dictionaries, standards, configuration baselines, and training materials.
  • Work closely with cybersecurity teams to support RMF, STIG, vulnerability remediation, patch compliance, and secure system operations.
  • Develop and maintain software interfaces using serial and Ethernet communications to connect with external appliances and systems.
  • Assist fellow developers with technical challenges, programming techniques, troubleshooting, and application development best practices.
  • Support system outages, IAVA remediation, PKI certificates, server updates, and other infrastructure-related activities.
  • Travel as required to support mission and customer requirements.

Required Qualifications

  • Active DoD Secret clearance required.
  • Current DoD 8140-compliant certification, such as Security+ or higher.
  • Bachelor's degree in Computer Science, Information Systems, Information Technology, Software Engineering, or a related discipline. Equivalent professional experience may be considered in lieu of a degree.
  • 10+ years of experience in Oracle and/or SQL database administration, database development, application support, software development, or related IT disciplines.
  • Candidates should have demonstrated experience with the following:

Database

  • Oracle and Microsoft SQL Server
  • Database design, administration, development, and optimization
  • PL/SQL and SQL
  • Database auditing and security
  • Backup and recovery
  • Database monitoring and administration tools such as TOAD or equivalent

Application & Web Development

  • ASP / ASP.NET
  • .NET / VB.NET
  • C# and/or C++
  • JavaScript / VBScript
  • HTML
  • Web services and web application development
  • Microsoft Visual Studio / Visual Studio .NET
  • Microsoft Reporting Services
  • IIS

Infrastructure & Security

  • Windows Server
  • Windows, Unix, and Linux operating systems
  • Authentication and encryption technologies
  • PKI certificates
  • Application and database security
  • Fortify or comparable application security/code analysis tools
  • DoD security and cybersecurity requirements

Preferred Skills And Qualifications

  • Demonstrated ability to diagnose, resolve, and implement solutions for complex enterprise database ingest and export challenges, delivering timely and reliable outcomes across diverse external data sources, environments, and enclaves.
  • Strong communication skills with the ability to collaborate effectively with internal teams, external stakeholders, and customers, ensuring alignment, transparency, and shared understanding across all phases of the project.

About Semper Valens Solutions Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community.

At Semper Valens, our vision is to remain a creative, cutting edge and cost-effective solutions provider where our shared intellect, industry experience, and technology excellence, make a positive difference in our customer's success. Our solutions help bridge the gap between IT and business prioritizations to optimize budgets, risks and operational processes.

We search for outstanding technical professionals, hiring at all levels of the experience spectrum; intermediate, journeyman and senior. Consider us for your career plan.

Semper Valens Solutions is an Equal Opportunity Employer

Semper Valens Solutions proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital/parental status, pregnancy/childbirth, or related conditions, physical or mental disability, genetic information, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with Semper Valens Solutions through its online applicant system, please contact Semper Valens Solutions Human Resources Department at (830) 899-6870.

Semper Valens Solutions is an affirmative action/equal opportunity employer - minorities, females, disabled, and protected veterans are urged to apply. Applicants have rights under Federal Employment Laws.

All Jobs at Semper Valens Solutions: https://sempervalens.com/careers

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