Cybersecurity Network Architect SME

MTSI is seeking a CybersecurityNetwork ArchitectSME withexpertiseinZero-Trust architectures,Cross-Domain Solutions (CDS), and advancedRisk Management Framework (RMF)processes to deliver secure, innovative solutions for mission-critical systems.
This position requires strategic leadership and technicalexpertiseto deliver secure and scalable solutions that address emergent challenges in cybersecurity, mission assurance, and cross-domain collaboration for DoD operations. Responsibilities:

Strategic Cybersecurity Leadership:

• Lead the design and implementation of Mission-Focused Assessment and Authorization (MFAA) strategies to mitigate risk and align security controls with mission assurance priorities.
• Architect and sustain Multi-Level Security (MLS) systems to ensure secure data access and dynamic handling of information across classification levels.
• Implement and oversee Zero-Trust cybersecurity frameworks , enabling enhanced data protection, network security, and operational resiliency.
• Drive technical solutions for Cross-Domain Solutions (CDS) to enable secure data exchange and interoperability in multi-domain environments.
• Establish RMF compliance processes to ensure security standards align with DoD directives and support lifecycle system validation.

Systems Integration and Architecture Development:

• Develop secure and scalable system architectures tailored to MLS environments , addressing operational challenges, vulnerabilities, and mission-specific requirements.
• Integrate advanced tools, such as dashboards and analytics frameworks, to track cybersecurity risks and reinforce operational decision-making.
• Lead Purple Team operations ,leveragingboth offensive and defensive strategies toidentifyvulnerabilities andoptimizesystem resilience.
• Design secure cross-domain environments thatfacilitateoperational data exchange across classifications while meeting stringent security standards.

Mission Assurance and Collaboration:

• Align cybersecurity solutions with DoD mission assuranceobjectives ,optimizingoperational frameworks for critical programs.
• Collaborate with cross-functional teams to coordinate cyber solutions, risk management strategies, and threat response initiatives.
• Interface with stakeholders to provide actionable insights and recommendations on secure architecture designs and mission-specific capabilities.

Proposal Development and Training:

• Provide cybersecurityexpertisefor business development efforts, contributing differentiated insights for proposals and customer engagements.
• Develop workforce training strategies to align cybersecurity goals with evolving mission requirements and organizational growth.
• Mentor junior engineers while driving standardization and continuity across processes for efficient operations and effective communication.

Required Skills:

• 10+ years of experience in cybersecurity engineering, RMF compliance, Zero-Trust architectures, and cross-domain solutions.
• Expertisein designing Multi-Level Security (MLS) architectures and implementing mission-focused cybersecurity solutions.
• Strong understanding of Risk Management Framework (RMF) processes and their application in multi-domain operational environments.
• Advanced knowledge of Cross-Domain Solutions (CDS) and Zero-Trust methodologies for network security and secure data sharing.
• Hands-on experience with Purple Team operations , incorporating both offense and defense strategies to mitigate vulnerabilities and improve system resilience.
• Exceptional communication and leadership capabilities to drive collaboration across technical teams and organizational leadership.

Desired Skills:

• Familiarity with compliance frameworks, such as FedRAMP, RMF, ISO9001, and Zero-Trust models.
• Experience developing dynamic dashboards for cyber risk tracking and operational metrics.
• Proven ability to scope cybersecurity strategies for proposals and business development efforts.
• Master's degree in Engineering, Cybersecurity, or IT Systems preferred.

Educational Requirements:

• Bachelor's degreein Engineering, Computer Science, Cybersecurity, or related technical fieldrequired.
• Master's degree strongly preferred.

Location: Flexible, with priority posting in Ohio (OH), Virginia (VA), and Alabama (AL).

Clearance Requirements: Active TOP SECRET clearance with SCI eligibility required.Due to clearance requirements, U.S. citizenship is required. #mtsi #LI-CH1 #LI-Onsite #Fynr

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  Interesting Work:
  
  
  
  Our co-workers support some of the most important and critical programs to our national defense and security.
  
  
  
  
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  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.
  
  
  
  
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  100% Employee Owned:
  
  
  
  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.
  
  
  
  
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  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 up to $9k annually
  
  
• 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 educational reimbursement
  
  
• Other company funded benefits, like life and disability insurance
  
  
• Optional zero deductible Blue Cross/Blue Shield health insurance plan
  
  





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  Track Record of Success:
  
  
  
  We have grown every year since our founding in 1993.
  
  
  
  

Modern 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

MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.