Leidos Engineering, LLC, the implementer for Ameren Illinois' award-winning energy efficiency programs, seeks a Salesforce Support Developer. The Salesforce Support Developer primary responsibility is to support the user productivity, security, and development of a custom designed Salesforce platform software. This position is in a mission-critical, highly integrated customer environment, often with aggressive deadlines. This position will report directly to the IT Project Delivery Supervisor. Responsibilities: - Provide operational support for ongoing user issues and request of custom applications modifications for a wide variety of user constituents. - Ability to analyze and translate requirements working with a wide variety of user constituents. - Assist in coding, configuration, maintenance, installation, testing, and debugging of developed custom applications with Salesforce platform. - Assist in management of Salesforce system platform security with best practice implementation. - Actively participate in regular team and client meetings to ensure program needs are being met for development and data security. - Capable of multitasking and working several diverse tasks with simultaneous or near simultaneous deadlines. - Assist in management of website(s) stability, availability, and user access - Assist in management of website(s) patches and security updates to WordPress and plugins - Assist in management of website (s) and domain DNS, SSL, and security updates - Assist in operational support for ongoing user issues and request in relation to website administration - Assist in operational support for ongoing user issues and request of custom applications modifications Required Education, Skills, Qualities and Experience: - Bachelor's degree in software development or related with 2+ years of experience. Relevant experience in lieu of degree considered. - 2+ years of Salesforce administration and development - Strong technical knowledge of IT software system configuration, algorithms, and architecture. - Demonstrated skills in translating customer requirements and processes from a diverse, cross functional set of systems users into technical specifications, documenting, and then working to develop outputs. - Excellent organizational skills and ability to work under strict deadlines. - Excellent written and verbal communication skills. - Be self-motivated, disciplined, and able to work task independently with good time management. - Ability to make unanticipated changes to production deliverables with short notice. - Demonstrated understanding of data security for confidential and protected data. Desired Education, Skills, Qualities and Experience: - Experience with best practices and creation/maintenance of complex Salesforce Lightning Flows. - Experience in configuration of Salesforce Experience Builder portals. - 2+ years of Amazon Web Services (AWS) with a combination of LightSail, Route 53, Certificate Management, Bitnami or related - 2+ years of AWS utilizing S3, DataSync, RDS - 2+ years of DNS, SSL, domain administration - 2+ years JAVA or APEX - Strong creative development skills - Strong technical writing skills Are you ready to make an impact? Begin your journey of a flourishing and meaningful career; share your resume with us today! Although this role will primarily support the Ameren Illinois Energy Efficiency Program, Leidos will be the employer of the person, Ameren Illinois does not take any role in selecting the person for employment, and Ameren Illinois will not have any role in managing the work performed by the person. Original Posting: July 14, 2026 For 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. Pay Range: Pay Range $69,550.00 - $125,725.00 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.