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Information Systems Security Manager

Modern Technology Solutions, Inc.
401(k)
United States, Maryland, Annapolis
123 Main Street (Show on map)
May 28, 2026
MTSI Defense Services Division is seeking an Information System Security Manager (ISSM) to assist in cybersecurity efforts for a Navy-centric environment focused on ensuring the security and compliance of information systems. As an ISSM, you will play a key role in supporting 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 assist in onsite operations and collaborate with senior team members to develop your skills and contribute to the organization's cybersecurity objectives.
You'll be a great fit for this role if:
  • You have 3-5 years of experience in cybersecurity operations, information security, or IT-related fields.
  • You have knowledge of the Department of Navy and Naval Air Systems Command (NAVAIR), including digital infrastructure/environments and cybersecurity practices.
  • You have experience in vulnerability management, incident response, and cybersecurity engineering.
  • You have strong technical expertise in identifying and mitigating cybersecurity risks and vulnerabilities.
  • You have working knowledge of Windows and Linux operating systems.
  • You have a strong understanding of networking principles, including TCP/IP, WANs, LANs, and Internet protocols (e.g., SMTP, HTTP, FTP, POP, LDAP).
  • You have familiarity with cybersecurity tools and technologies, including Splunk, ArcSight, Microsoft Sentinel, FortiSIEM, SwimLane, QRadar, and LogPoint.
  • You have excellent written and verbal communication skills, with the ability to convey complex technical concepts to diverse audiences.
  • You have the ability to work independently and collaboratively in a fast-paced, dynamic environment.
  • You are willing to travel up to 20% as required.
Qualifications Required:
  • Bachelor's degree in Information Technology, Cybersecurity, Computer Science, Information Systems, Data Science, Software Engineering, or a related technical discipline. Relevant certifications may be accepted in lieu of a degree.
  • Active Secret clearance required, with the ability to obtain Top Secret/SCI eligibility.
  • Working knowledge of Windows and Linux operating systems.
Certification Requirements (Preferred):
  • IAM Level 2: CompTIA Security+, Certified Ethical Hacker (CEH), Certified Information Systems Security Professional (CISSP), GIAC Certified Incident Handler (GCIH), CompTIA Network+, CompTIA Cybersecurity Analyst (CySA+), Certified Authorization Professional (CAP).
Even better if you have these desired skills:
  • Proficiency in using security tools such as Splunk, ArcSight, Microsoft Sentinel, FortiSIEM, SwimLane, QRadar, and LogPoint for monitoring, assessing, and reporting system security vulnerabilities.
  • Hands-on experience with security monitoring, log analysis, threat intelligence, and digital forensics to identify and respond to system anomalies.
  • Experience with defending against known attack vectors.
  • In-depth knowledge of security frameworks, standards, and guides (e.g., RMF, NIST, CIS, STIGs, FIPS, etc.).
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  • 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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