General program information and/or position overview. Leidos is hiring a SME Oracle APEX Developer on the ESA V program. ESA V is an IT applications and infrastructure services program supporting several customers within the Department of Justice (DOJ). The program provides a range of IT services, including software application support, enterprise infrastructure support, service desk, ITSM, deskside support, workstation engineering and maintenance, telecommunications and mobility engineering services, managed print services, Active Directory services, and video conferencing. The ideal candidate will be personable and articulate and will focus on making sure that the customer’s needs are met quickly and effectively. The successful candidate will be a self-starter who can work with limited supervision. Excellent communication skills are required to effectively interface with customers to understand requirements and mission needs and then be able to translate them into actions.
Currently, this position is required to be onsite full-time in Washington, DC metro area at one of the primary customer (CRM) locations.
Primary Responsibilities. Work at the direction of the program manager to support the full lifecycle development of custom Oracle Applications, primarily using the Oracle APEX toolset.
- Perform advanced use of Oracle APEX.
- Perform work with Oracle Integrated Development Environments such as Quest Toad and Oracle SQL Developer.
- Design and manipulate web content dynamically using JQuery, Ajax, JavaScript, CSS, and HTML.
- Create dynamic reports within the Oracle APEX environment. Provide support in the advanced use of Oracle Database products version 11 and above.
- Provide support Oracle database objects – tables, indexes, directories, sequences, triggers, etc.
- Provide support with PL/SQL, Java, Windows PowerShell, and Unix shell scripting with familiarity with built-in PLSQL packages and procedures.
- Provide support with storage, efficient retrieval, and manipulation of unstructured data (BLOBs, CLOBs, JSON, XMLType) in an Oracle environment.
- Integrate and manage BI Publisher templates and web Services.
- Analyze existing Oracle Forms applications and design migration strategies to scalable and secure web applications using Oracle Apex.
- Develop APIs and connections to external applications
- Successfully deliver enterprise level workflow centric applications.
- Build logical functions and algorithms to automate business processes.
- Basic Qualifications. Typically requires BS degree and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience. May possess a Doctorate in technical domain.
- U.S. Citizen
- Ability to obtain and maintain a public trust security clearance
- Experience with secure network programming in an Oracle environment; use of security certificates, HTTPS callouts, etc.
- Experience with full lifecycle development of custom Oracle Applications, including the Oracle APEX toolset
- Experience with use of Oracle Integrated Development Environments such as Quest Toad and Oracle SQL Developer
- Experience with JQuery, Ajax, JavaScript, CSS, and HTML
- Experience with PL/SQL, Java, Windows PowerShell, and Unix shell scripting with familiarity with built-in PLSQL packages and procedures
- Experience with storage, efficient retrieval, and manipulation of unstructured data (BLOBs, CLOBs, JSON, XMLType) in an Oracle environment
- Experience establishing goals and meeting project plan objectives
- Experience with data migration tools and techniques.
- Must be able to write and maintain system documentation on work products
- Excellent communication and teamwork skills
- Agile development experience
- Customer interface experience
- Preferred Qualifications. Experience with Oracle Database products version 11 and above
- Experience with Oracle Forms and Reports version 10G or higher
- Experience with Oracle APEX 4.0 and above
- Experience troubleshooting operational issues
- Government contracting experience, particularly with the DOJ
- Current DOJ Clearance
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:November 21, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
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What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
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