> Markdown version of [/jobs/ext/4213809-cross-domain-engineer-715](https://www.wearedevelopers.com/jobs/ext/4213809-cross-domain-engineer-715). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cross Domain Engineer 715 - **Company:** Freedom Technology Solutions Group - **Location:** St. Louis, MO, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Linux, Microsoft Exchange Server, Network Security, Transmission Control Protocol (TCP), Operating System Security - **Published:** October 31, 2026 - **Apply:** https://www.careerbuilder.com/job-details/cross-domain-engineer-715-saint-louis-mo--f6a7c891-066c-49f1-a03c-91c4f7b58fad ## About the Role Microsoft Exchange Server, Project/Program Management, Technical Leadership, Technical Delivery, Technical Presentation, Technical Writing, Presentation/Verbal Skills, Communication Skills, Top Secret Clearance, Sensitive Compartmented Information (SCI), Required: * Active TS/SCI Clearance * Ability to successfully pass and maintain a Government Polygraph (post-hire requirement) * Bachelor's Degree in a Technical Field and Six (6) years of applicable experience * DoD Information Assurance Technical (IAT) Level II * Experience with Linux operating systems; understanding of general operating system security practices, TCP/IP networking, and network security concepts. Desired: * Experience working with Cross Domain Solutions and operationally supporting CDS technologies on the NCDSMO approved products list., If you want to view the EEO Law poster, please choose your language: English - Spanish - Arabic - Chinese If you want to view the EEO Law Supplement poster, please choose your language: English - Spanish - Chinese If you want to view the Pay Transparency Policy Statement, please click the link: English ## Description * Collect requirements from stakeholders and determine best implementation solution. * Schedule/attend Technical Exchange Meetings (TEMs) to discuss/whiteboard design and implementation details. * Coordinates implementation approach and timeline with technical and project management staff. * Identifies and remediates potential implementation conflicts of CDS technologies across the Enterprise. * Respond and resolve service outages, technical queries, and other system related issues. * Perform system checks (processes, services, network, storage) to ascertain overall system health. * Develop and maintain detailed technical documentation, deliver technical presentations, effectively and accurately communicate technical information with co-workers and stakeholders.