Information Systems Security Manager (ISSM)

• Develop and maintain authorization packages
• Coordinate with SCA and AO representatives to resolve findings and adjudicate risk
• Prepare systems for ATO, IATT, and continuous authorization
• Ensure implementation and validation of security controls per JSIG/NIST 800-53.
• Track and remediate POA&Ms; enforce accountability for corrective actions.
• Conduct internal compliance assessments and inspection preparation
• Assess technical risk and provide written risk recommendations to government Cyber lead/Security Director.
• Ensure configuration management and baseline control integrity
• Provide cybersecurity briefings to senior leadership as required
• Maintain working relationships with external stakeholders.

• 10+ years cybersecurity experience in DoD classified environments. (SAP/SCI)
• 3+ years experience as ISSM or equivalent senior cybersecurity lead
• Deep familiarity with: JSIG, RMF (DoDI 8510.01), ICD 503, NIST 800-53
• DoD 8570/8140 IAT Level III or IAM Level II/III certification (e.g., CISSP preferred).
• Strong written and verbal communication skills with experience preparing presentation materials for leadership audiences.
• Experience working directly with Authorizing Officials and SCAs.
• Experience in multi-system portfolio management.

• Bachelor's Degree in Cybersecurity, IT, Engineering, or related field (or equivalent experience).

• Current/active Top Secret/SCI; Current or recent DoD SAP access
• Subject to a Counterintelligence (CI) polygraph

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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:
  
  
  




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  Starting PTO accrual of 20 days PTO/year + 10 holidays/year
  
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  Flexible schedules
  
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  6% 401k match with immediate vesting up to $9k annually
  
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  Semi-annual bonus eligibility (July and December)
  
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  Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
  
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  Up to $10,000 in annual educational reimbursement
  
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  Other company funded benefits, like life and disability insurance
  
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  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 www.mtsi-va.com