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Cybersecurity Engineer

Modern Technology Solutions, Inc.
401(k)
United States, Alabama, Huntsville
Sep 16, 2025
MTSI is actively seeking an advanced cybersecurity engineer to support our Missile Defense Agency (MDA) customer in Huntsville, AL. Selected applicants will be the Computer Network Defense (CND) lead responsible for directing and executing the Cybersecurity Service Provider (CSS) operations within the organization. The Computer Network Defense (CND) Lead is responsible for producing CND guidance, assist with risk assessments and risk management, and tracking and reporting Cyber Tasking Order (CTO) status through closure for all required networks, enclaves, and systems.
Responsibilities:
  • Under the supervision of the Government Information System Security Manage (ISSM) team, lead activities on all CND duties across the entire portfolio of network, enclaves, and systems
  • Manage the distribution, tracking, and reporting of CTOs to constituent networks, enclaves, and systems
  • Enhance the implementation of Host-Based Security Systems (HBSS)/Endpoint Security Systems (ESS) deployments across the portfolio of networks, enclaves, and systems, identify efficiencies, and work with the ISSM team to implement and deploy improvements
  • Collaborate with Tier II, MDA CSSP - Computer Emergency Response Team (CSSP-CERT), for data roll up (Assured Compliance Assessment Solution (ACAS))/ESS for Continuous Monitoring and Risk Scoring (CMRS) compliance
  • Monitor external CND data sources to maintain enclave situational awareness and track compliance audit findings, incident after-action-reports, and recommendations to ensure appropriate mitigation actions are taken
  • Provide weekly cybersecurity status briefings including: CTO statuses, HBSS compliance, and ACAS scan status to senior leadership
  • Develop CND policies and procedures reflecting applicable laws, polices, procedures, and regulations for dissemination to the prime contractors
Required Qualifications:
  • Bachelor's degree- Computer Science, Engineering, or a related STEM field with appropriate DoDD 8140/DoDD 8570 compliant IAT/IAM Level 3 Certification is required.
  • 7+ years of experience in cybersecurity related duties for DoD and/or commercial information systems
  • Active Secret Clearance
  • Working knowledge of the DoD Information Assurance Certification and Accreditation Process and Risk Management Framework (RMF)
  • Minimum 5 years of experience in Computer Network Defense (CND)
  • Proficient knowledge in DoD continuous monitoring Tools, Techniques, and Practices (TTPs)
  • Working knowledge of McAfee HBSS/ESS and ACAS required
  • Experience with MDA and the CTO processes preferred
  • Strong communication skills and ability to communicate effectively
  • Ability to work with minimum supervision





  • 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

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.


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