Senior Software Developer, Systems Software

Position is not funded and is contingent upon contract award. 501727 Job Title : Senior Software Developer, Systems Software Work Location: Arlington, VA / National Capital Region Schedule: Full Time 40 hours per week; 8 hours per day Relocation: No IronMountain Solutions, Inc. is seeking a Senior Software Developer, Systems Software to support the Department of Homeland Security (DHS) Cybersecurity and Infrastructure Security Agency (CISA). This role will serve as a technical lead for the operations, maintenance, and enhancement of the Critical Infrastructure Information Sharing Environment (CI-ISE) and Homeland Security Information Network (HSIN-CI) platforms. Job Responsibilities: - Lead the technical architecture, module development, and configuration of Drupal-based web platforms supporting critical infrastructure information sharing. - Design, implement, and maintain secure platform architectures within Sensitive But Unclassified (SBU) and For Official Use Only (FOUO) environments. - Build and maintain seamless API integrations and content management frameworks across CISA/HSIN platforms. - Optimize platform performance and scalability to ensure high availability for rapid operational and emergent event requirements. - Enforce strict content governance and site hygiene by developing technical solutions to identify and remediate stale or duplicative content. - Ensure all platform updates, interfaces, and deliverables achieve 100% compliance with Section 508 accessibility standards. - Support Continuous Integration/Continuous Delivery (CI/CD) pipelines to deploy secure and tested code updates to the production environment. Required Skills, Competencies and Abilities: - Expert-level proficiency in Drupal architecture, module development, and site configuration. - Deep understanding of secure platform design within SBU/FOUO environments. - Advanced skills in API integration, web services, and content management frameworks. - Strong capability in platform performance optimization, troubleshooting, and scalability. Experience and Technical Knowledge (REQUIRED): - Minimum of eight (8) years of professional experience in web or platform development. - Minimum of three (3) years of experience developing and managing Drupal-based platforms. - Certifications: Active Drupal certification or Government-approved equivalent credential is required. - While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use tools or controls; normal physical activity (reach with hands and arms; climb stairs); and communicate effectively with all levels of employees and leadership. The employee must occasionally lift or move office products and supplies, up to 25 pounds. Education and General experience: - Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field. Security Clearance Requirements: - Must be able to obtain and maintain a DHS Suitability / Public Trust or Entry on Duty (EOD) approval. Per federal requirements, only U.S. citizens are eligible for this level of clearance. IronMountain Solutions is an Equal Opportunity Employer