Astor & Sanders Corporation (Astor) is an award-winning IT solutions provider headquartered in McLean, VA and is seeking a ServiceNow Developer. This is a full-time onsite position in San Diego, CA. Lead the migration of the mission-critical Oracle APEX portal to ServiceNow, ensuring a seamless transition with minimal to zero disruption to business operations. Expand ServiceNow ITSM capabilities to support IT and Facilities ticketing, help desk, dispatch, asset management, and related service workflows. Design, develop, and implement custom ServiceNow applications and workflows using App Engine based on business and operational requirements. Implement security and access controls, including CAC/MFA integration, hierarchy-based RBAC, and field-level protection for sensitive PII/PHI data. Collaborate with government stakeholders and technical teams to define requirements, troubleshoot issues, manage risks, and ensure compliance with security and operational standards. Provide structured training, hands-on knowledge transfer, technical documentation, and workforce upskilling to support long-term platform adoption. Develop and maintain a System Handover Plan and training logs, ensuring all required knowledge transfer and documentation are completed before contract completion. Support Agile delivery through sprint planning, stand-ups, demos, and retrospectives, while providing POAM-based progress reporting to government leads. Requirements 7+ years of experience in ServiceNow development, architecture, or implementation, with strong hands-on expertise in ServiceNow App Engine and ITSM. Proven experience in legacy system migration, preferably Oracle APEX to ServiceNow, and developing custom applications and workflows. Strong knowledge of IAM/RBAC, CAC/MFA integration, field-level security, and PII/PHI data protection. Experience working in Agile/Scrum environments, with strong documentation, stakeholder communication, training, and knowledge-transfer skills. Experience in government, defense, military, or highly regulated environments is preferred. The anticipated salary range for this position is $170,000 - 190,000 annually. This is not, however, a guarantee of compensation or salary. Actual compensation will be determined based on factors, including, but not limited to, relevant work experience, candidate skills and education, geographical location, certifications, and business needs, as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range. This salary range represents Astor's good-faith estimate of compensation for the position at the time of posting. Benefits Astor & Sanders Corporation (www.astor-sanders.com) offers a unique, stimulating and challenging environment that fosters individual growth and rewards performance. Astor & Sanders Corporation ( #Astor ) is an Equal Opportunity Employer.  Some of our competitive benefits include • Generous Paid Time Off (PTO) and all Federal Holidays off • Comprehensive Health and Dental Insurance Coverage • Retirement Savings Plan • Pre-Tax Benefit Programs • Wellness and Work-Life Support • Professional Development • Performance and Referral Bonuses • Life and Disability Insurance