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Cyber Security Systems Engineer

Modern Technology Solutions, Inc.

Today
Top Secret/SCI
Unspecified
Unspecified
Engineering - Systems
patterson, OH (On-Site/Office)
MTSI is seeking a Cyber Security Systems Engineer to support the development, integration, and protection of critical defense systems. In this role, you will ensure systems meet cybersecurity and program protection requirements across the system lifecycle, enabling secure multi-domain operations. The ideal candidate brings experience in DoD cybersecurity frameworks and a strong understanding of systems security engineering principles.

Responsibilities
  • Develop and implement system security plans, policies, and controls in accordance with DoD and NIST standards (e.g., RMF, NIST SP 800-53).
  • Conduct cybersecurity risk and vulnerability assessments and develop mitigation strategies.
  • Support architecture and design reviews from a security perspective.
  • Coordinate with cross-functional teams to ensure cybersecurity is integrated early in the systems engineering process.
  • Assist with security test and evaluation (ST&E), including validation, verification, and accreditation efforts (e.g., ATO/ATC).
  • Contribute to Program Protection Plans (PPPs), Security Classification Guides (SCGs), and related security documentation.

Qualifications

Required
  • Bachelor's degree in Systems Engineering, Cybersecurity, Computer Science, or a related field (or equivalent experience).
  • 5+ years of experience in cybersecurity or systems security engineering within a DoD environment.
  • Familiarity with RMF, NIST SP 800 series, and DoDI 8510.01.
  • Experience supporting system accreditation packages and security documentation.
  • Active Top Secret clearance with SCI eligability required.
  • DoD 8570 IAT Level II or III certification (e.g., Security+, CISSP, CASP+) required.


Desired
  • Experience supporting classified DoD systems, weapon systems, or multi-domain platforms.
  • Knowledge of supply chain risk management (SCRM), anti-tamper, and secure architecture design.
  • Familiarity with cybersecurity tools such as ACAS, Nessus, STIG Viewer, and Splunk.
  • Experience working closely with ISSMs/ISSEs and government security stakeholders.


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0201042
group id: RTL041421
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About Us
Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned technology firm specializing in Digital Engineering, Space Systems, Unmanned Systems, Flight Test Engineering, Modeling and Simulation, Cybersecurity, and DevOps for vital defense and intelligence programs. MTSI excels in delivering premier solutions to address global challenges. Founded in 1993, MTSI now operates across 20+ global offices and field sites. Perks of being part of MTSI's employee-ownership culture include: • 6% 401k matching with immediate vesting • Semi-annual performance bonuses • Company-funded Employee Stock Ownership Plan (ESOP) • 20 days of paid time off (PTO), 10 paid holidays, and flexible work schedules • Optional zero-deductible BC/BS insurance with FSA • Certified as a top workplace Join us in a company with a long-term strategy and a commitment to our employee-owners, free from external shareholders' demands.
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Clearance Level
Top Secret/SCI