Chief Cybersecurity Architect

• Serve as the senior advisor and technical authority on secure systemarchitectures, RMF compliance, ATO/ATC processes, and cybersecurity integration for Next Generation Missile Defense and other advanced DoD initiatives.
• Define and guide the security architecture strategy for classified networks and digital ecosystems, ensuringoptimalresilience, interoperability, and mission assurance.

• Lead the development and execution of ATO and ATC approvals, ensuring systems meet high-level DoD cybersecurity standards frominitialconcept to operational sustainment.
• Apply RMF (NIST SP 800-53), DISA Security Technical Implementation Guides (STIGs), and other frameworks to authorize,maintain, and enhance compliance across DoD systems.

• Architect secure digital ecosystems within classified environments, integrating systems across DoD networks while ensuring interoperability and operational security.
• Collaborate with technical teams and stakeholders tooptimizesystem design, build, test, and Assessment & Authorization (A&A) efforts that align with missionobjectives.

• Partner with senior leaders, Program Managers (PMs), and Authorization Officials (AO) to align strategic cybersecurityobjectiveswith operational mission needs.
• Provide risk-informed analysis, policy application, and technical recommendations across acquisition, intelligence, and mission teams.

• Lead audits, risk assessments, and vulnerability management efforts toidentify, assess, and mitigate cybersecurity risks across classified systems and facilities.
• Leverage tools likeeMASS, ACAS, and Nessus to streamline compliance and vulnerability reporting processes.

• Create, review, and approve high-level authorization packages, architecture documentation, and compliance reports to ensure adherence to DoD cybersecurity standards.

• Mentor and develop cybersecurity staff, fostering technical excellence and mission-driven collaboration across multidisciplinary teams.
• Collaborate with subject matter experts, such as Cloud Systems Architects and cybersecurity leads, to ensure robust designs and implementation strategies.

• Experience: Minimum of 15+ years supporting DoD cybersecurity initiatives, RMF implementation, classified systems/networks, and secure system design within high-security environments.
• Technical Expertise: Proven experience managing ATO/ATC processes and designing secure system architectures, particularly for government systems supporting missile defense or similar critical capabilities.
• Certifications: Active certifications such as CISSP (strongly desired), CISSP-ISSAP (preferred), CAP, or equivalent credentials. DoD 8570 IAM Level III certifications highly desired.
• Skills: In-depth understanding of RMF (NIST SP 800-53), DISA STIGs, digital ecosystem integration, and vulnerability management platforms (eMASS, ACAS, Nessus).
• Leadership & Communication: Strong ability to influence decisions at the senior leadership level and lead cross-functional teams in achieving secure system authorizations.
• Security Clearance: ActiveTop Secretclearance with SCI eligibility; willingness to work from secure facilities (SCIF).
• U.S. citizenship required due to clearance requirements

• Familiarity with DoD cybersecurity policies, including SAPCO requirements under 5205.07, and mission-critical policy-informed threat analysis.
• Experience integrating cybersecurity, acquisition, intelligence, and counterintelligence frameworks tooptimizeclassified operations.
• Expertisein weapons systems, platform security, or similar high-priority defense missions.

• 
  
  
  
  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 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.
  
  
• 
  
  
  
  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
  




• 
  
  
  
  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 www.mtsi-va.com