Information Systems Security Manager

The MTSI Defense Services Division is seeking an experienced Information System Security Manager (ISSM) to lead cybersecurity efforts for a Navy-centric software development environment focused on novel software applications. As the ISSM, you will play a key leadership role in managing and overseeing the security posture of information systems, ensuring their compliance with DoD standards and the Risk Management Framework (RMF). You will work across multidisciplinary teams to maintain the confidentiality, integrity, and availability of the program's critical systems and data. You will be supporting onsite operating independently with the potential to grow a small team for scaling cybersecurity capabilities.

You'll be a great fit for this role if you have:

• 8+ years of combined experience working in defensive/offensive cybersecurity, information assurance, penetration testing, software engineering, or related field.
• You have knowledge of the Department of Navy and Naval Air Systems Command (NAVAIR), to include digital infrastructure/environments, DevSecOps, Continuous Integration/Continuous Development (CI/CD), software factories, cloud-native containerized applications, Risk Management Framework (RMF), continuous Authority to Operate (cATO).

Qualifications Required:

• Proven experiencein designing, implementing, and maintaining multi-level security architectures across cloud, infrastructure, and platform applications.
• Deep proficiencyin configuring and managing industry-standard security tools, including firewalls, intrusion detection systems (IDS), and
• Strong backgroundin DevSecOps, with the ability to integrate and automate cybersecurity within CI/CD pipelines.
• Hands-on experiencewith security monitoring, log analysis, threat intelligence, and digital forensics to identify and respond to system anomalies.
• Expert knowledgeof the Risk Management Framework (RMF) and Department of War (DoW) cybersecurity directives, including system categorization and continuous monitoring.
• Demonstrated abilityto lead the full Authorization to Operate (ATO) lifecycle and manage System Security Plans (SSPs) in accordance with federal regulations.
• Extensive experienceconducting security risk assessments, penetration testing, and compliance audits.
• Skilled indeveloping and enforcing organizational security standards, policies, and procedural documentation.
• Ability to serveas a primary cybersecurity advisor to senior leadership, engineering teams, and external stakeholders.
• Proven leadershipin mentoring information security teams and coordinating cybersecurity requirements with external agencies and vendors.
• Strategic thinkercapable of analyzing emerging threat vectors and adjusting security measures to maintain a robust security posture.
• Strong communication skills, with experience preparing and delivering high-level briefings and metrics on cyber readiness to key stakeholders.
• Experience with cloud security (e.g. AWS, Azure GCP).
• Familiarity with DevSecOps/Platforms such as AWS (S3, RDS, EC2, ECS, Lambda, SQS, SNS, CloudFormation, etc.), Azure (Azure App Service, Azure Functions, Azure Storage, Azure SQL Database, etc.), Docker, Ansible and experience with DevSecOps tools such as GitHub and Jenkins.
• Experience with on-premise compute infrastructure and networks.
• Experience in Agile development methodologies.
• Experience with defending against known attack vectors.
• In-depth knowledge of security frameworks, standards, and guides (e.g. RMF, NIST, CIS, STIGs, FIPS, etc.).

Education: BS in Computer-Science field.

Certification Requirements: IAM level 2- CISSP, CASP CE+, CGRC, or CISM

Even better if you have these desired skills:

• Data Operations (DataOps), Artificial Intelligence / Machine Learning Operations (AI/MLOps)
• Experience supporting electronic warfare systems.
• Familiarity with software development and DevSecOps integration.
• Awareness of aviation platforms and weapon systems.
• Experience with Multi-Level Security (MLS) or Cross Domain Solutions (CDS).
• MS in Computer-Science or Cybersecurity field.

Clearance Requirements : Must possess a Top Secret clearance with SCI/SAP eligibility.
The pay range for this position in is $185,000/year to $230,000/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-AC1 #LI-Onsite

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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.