OCCAS Developer

Oracle OCCAS Developer

Location: Remote (Gainesville, VA)

Employment Type: Direct Hire

Work Authorization: s, , or H1B candidates considered

We are seeking an experienced Oracle OCCAS Developer to support one of our largest enterprise OCCAS customers. This role requires deep hands‑on expertise with the Oracle OCCAS technology stack, with a strong emphasis on OCCAS SIP Servlets
. The ideal candidate is technically strong, detail oriented, and able to communicate clearly with both technical and non-technical stakeholders.

• Design, develop, and maintain applications using Oracle OCCAS (Oracle Communications Converged Application Server)
• Develop and support SIP Servlets for real‑time communications applications
• Work extensively with Java
  , Oracle Web Logic
  , and Oracle Coherence within the OCCAS environment
• Troubleshoot, debug, and optimize OCCAS‑based applications in production and non‑production environments
• Collaborate with cross‑functional teams including engineering, operations, and customer stakeholders
• Participate in requirements gathering, technical design discussions, and solution documentation
• Ensure high availability, performance, and reliability of OCCAS applications
• Provide clear written and verbal communication when documenting solutions or discussing technical issues

• Expert level experience with Oracle OCCAS
  , including SIP Servlets
• Strong Java development background
• Hands‑on experience with Oracle Web Logic and Oracle Coherence
• Experience supporting large‑scale or enterprise OCCAS deployments
• Strong troubleshooting and problem‑solving skills
• Excellent written and verbal communication skills

• Experience supporting telecom or real‑time communications platforms
• Familiarity with SIP signaling, call flows, and session management
• Experience working directly with enterprise customers

System One, and its subsidiaries including Joul, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One offers eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.