Cybersecurity Engineer

Modern Technology Solutions, Inc. (MTSI) is seeking a Cybersecurity Engineer to join our team in Springfield, VA. Qualified candidates must be U.S. citizens with an active TS/SCI clearance and be eligible to obtain a CI Poly.

Responsibilities:

• Support daily cybersecurity operations for AI/ML T&E environments, tools, applications, and operational evaluation platforms.
• Maintain compliance with RMF and ATO requirements through management of security documentation, control tracking, and operational security processes.
• Support development, maintenance, and update of ATO packages, RMF artifacts, SSPs, and security compliance documentation.
• Track and manage POA&Ms, vulnerability findings, remediation activities, and security action items.
• Execute or coordinate required vulnerability scanning and security assessment activities across operational environments.
• Facilitate secure deployment and integration of AI/ML tools, models, datasets, and evaluation pipelines across NGA operational domains including COE, SECNET, and SBU.
• Support secure operations across multiple classification levels including UNCLASSIFIED, SECRET, and TS/SCI environments.
• Identify, assess, escalate, and support remediation of cybersecurity risks impacting operational T&E activities.
• Support implementation of security practices within DevSecOps workflows, operational pipelines, and AI/ML evaluation environments.
• Collaborate with ISSMs, engineers, developers, and mission stakeholders to support secure and compliant operational execution.
• Maintain audit-ready cybersecurity documentation and support operational readiness activities.

Required Qualifications:

• Experience supporting cybersecurity operations, RMF compliance, vulnerability management, or security documentation activities.
• Familiarity with RMF, ATO processes, POA&M tracking, and operational cybersecurity practices.
• Understanding of cybersecurity concepts related to operational systems, cloud environments, or enterprise infrastructure.
• Ability to support secure operational environments and work collaboratively within multidisciplinary technical teams.
• Strong analytical, organizational, and communication skills.

Desired Experience:

• Experience supporting DoD, NGA, or Intelligence Community programs.
• Familiarity with DevSecOps workflows, cloud security, and operational AI/ML environments.
• Experience supporting vulnerability scanning, compliance assessments, or operational security monitoring activities.
• Familiarity with NGA operational domains, classified environments, and secure system integration processes.
• Security certifications such as Security+, CySA+, SSCP, or equivalent

Education Requirements:

• Bachelor's Degree in IT or STEM related field, or additional relevant experience in lieu of a degree.
• Security certifications such as CISSP, CASP+, Security+, CySA+, SSCP, CCSP, or equivalent.

Clearance Requirements:

• Active TS/SCI clearance and the ability to pass a CI polygraph within 30 days.

The pay range for this position is $100,000 to $150,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.



#LI-RC2

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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.