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