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Cross Domain Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Freedom Technology Solutions Group, LLC
Full Time position
Listed on 2026-07-18
Job specializations:
  • IT/Tech
    Systems Engineer, Network Security, Cybersecurity, Unix/Linux
Salary/Wage Range or Industry Benchmark: 110000 - 160000 USD Yearly USD 110000.00 160000.00 YEAR
Job Description & How to Apply Below
Position: Cross Domain Engineer 715
Location: St. Louis

Freedom Technology Solutions Groups is looking to add a Cross Domain Engineer to support a fast‑paced team provisioning customer dataflow in an Enterprise Cross Domain System.

Responsibilities
  • Collect requirements from stakeholders and determine best implementation solution.
  • Schedule/attend Technical Exchange Meetings (TEMs) to discuss/whiteboard design and implementation details.
  • Coordinate implementation approach and timeline with technical and project management staff.
  • Identify and remediate 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, and effectively and accurately communicate technical information with co‑workers and stakeholders.
Qualifications 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.
What's in It for You?
  • Flexible work environment
  • A team mentality – work with friendly, like‑minded professionals
  • Work with innovative, cutting edge technologies
Enjoy Extremely Competitive Compensation And Benefits
  • A work‑life balance you can count on
  • Opportunities to grow and advance your career on our dime
  • Ample benefits including matching 401(k), fully paid medical, and more
  • Generous paid time off – including paid site closure days
  • Competitive salary offerings
  • Paid training and tuition reimbursement
  • Referral bonuses
  • Fully paid life and disability coverage
  • Annual logo wear allowance
  • Company‑sponsored events (game nights, holiday party, summer party, happy hours)

As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status.

Applicant Federal & E‑Verify Postings

VEVRAA Federal Contractor

Accessibility

If you need an accommodation as part of the employment process, please contact Human Resources.

Equal Opportunity Employer, including disabled and veterans.

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

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