Catalina Associates is recruiting a Senior Technical Writer to develop engineering and product documentation. You will work with engineering leads and subject matter experts to turn technical information into clear, controlled documents, from the initial outline through review, approval, release, and subsequent revisions. The assignment includes frequent virtual coordination and deadlines tied to engineering milestones. Location: Remote, with potential travel to Tucson, Arizona, for integration and field testing. Engagement: 1099 Contract engagement; anticipated 40 hours per week for an initial 60 days, with an option to extend. Required: At least five years of experience producing professional technical documents relevant to engineering and product development. Fluency in American English technical terminology for hardware and software, shop assembly, and quality checkout testing. Ability to obtain accurate technical content from subject matter experts and manage documents through reviews, approvals, and release. Ability to apply ANSI and other applicable documentation standards, including Data Item Descriptions for contract and subcontract deliverables. Exposure to ITAR and controlled unclassified information handling, configuration management, and formal design reviews. Availability for frequent virtual engineering meetings and an anticipated 40-hour workweek; ability to support approved travel if required. Preferred: Relevant writing samples spanning engineering specifications, procedures, and test or user documentation. Submit only material you are authorized to share.