Senior Cybersecurity Systems Engineer/Cross-Domain Solutions (CDS) Expert

Company: Modern Technology Solutions, Inc.
Location: Washington
Posted on: May 2, 2025

Job Description:

OverviewOwn Your Future.Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Cybersecurity Systems Engineer/Cross-Domain Solutions (CDS) Expert to join our team. Why is MTSI known as a Great Place to Work?

• Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security.
• Values:Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.
• 100% Employee Ownership:we have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.
• Great Benefits - Most Full-Time Staff Are Eligible for:
  • Starting PTO accrual of 20 days PTO/year + 10 holidays/year
  • Flexible schedules
  • 6% 401k match with immediate vesting
  • Semi-annual bonus eligibility (July and December)
  • Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
  • Up to $10,000 in annual tuition reimbursement
  • Other company funded benefits, like life and disability insurance
  • Optional zero deductible Blue Cross/Blue Shield health insurance plan
  • Track Record of Success: We have grown every year since our founding in 1993Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance.MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.For more information about MTSI, please visit www.mtsi-va.com.ResponsibilitiesMTSI is seeking a Senior Cybersecurity Systems Engineer/Cross-Domain Solutions (CDS) Expert who will posses extensive knowledge, proven abilities, and demonstrated expertise in Risk Management Framework, cross-domain solutions, diverse information system technologies, network technologies, and DoD cybersecurity policies. This role requires meticulous abilities in the conduct of system security assessments, review vulnerability scan results, including application of Security Technical Implementation Guides (STIGs) and management of Body of Evidence (BoE) artifacts. Travel may be required to support business needs.Your essential job functions will include but may not be limited to:
    • Execute and manage tasks related to the Risk Management Framework (RMF) to ensure compliance and system security integrity.
    • Assess Cross-Domain Solutions (CDS) within organizational cybersecurity architectures.
    • Conduct thorough system security assessments and vulnerability assessments to identify potential risks and propose mitigation strategies.
    • Assess STIGs results for secure configurations and maintain adherence to DoD cybersecurity policies and instructions.
    • Manage and maintain Body of Evidence (BoE) artifacts throughout the system lifecycle, including review and validation of related documentation.
    • Provide technical guidance and support for audits, inspections, and compliance assessments.
    • Collaborate with multidisciplinary teams to ensure mission-critical systems meet security requirements.
    • Prepare technical Security Assessment reports, briefings, and recommendations for senior management.QualificationsRequired:
      • 10+ years' of relevant cybersecurity experience, particularly within DoD environments.
      • In-depth understanding and application of RMF and CDS principles.
      • Familiarity with DoD Instructions, policies, and guidelines.
      • Expertise in performing system security and vulnerability assessments.
      • Proficiency in applying STIGs to ensure secure system configurations.
      • Strong analytical and technical writing skills for reviewing, managing, and maintaining BoE artifacts.
      • Exceptional organizational skills with attention to detail and ability to prioritize competing tasks.
      • Proven ability to work both independently and collaboratively in high-pressure environments.
      • Willingness to travel based on project needs.Desired:
        • Certifications such as CISSP, CISM, CEH, or equivalent preferred.Education Requirements:
          • Bachelors Degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering or related engineering disciplineClearance Requirements: An active TS/SCI clearance is required.#LI-LS1#mtsi#lawrenciumsaskatchewantrout#LI-Onsite
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Keywords: Modern Technology Solutions, Inc., Annandale , Senior Cybersecurity Systems Engineer/Cross-Domain Solutions (CDS) Expert, Other , Washington, Virginia