New

Information Systems Security Officer (ISSO) - Senior

Modern Technology Solutions, Inc.
401(k)
United States, Ohio, Dayton
Mar 04, 2026
Modern Technology Solutions Inc. is seeking a highly experienced Information Systems Security Officer (ISSO) to lead cybersecurity efforts for an AFLCMC program office. This role focuses on ensuring compliance with laws, regulations, and security requirements while implementing strategic and technical cybersecurity solutions. Responsibilities include assessing system confidentiality, integrity, and availability, evaluating threats and vulnerabilities, developing Plans of Action and Milestones (POA&M), and submitting authorization packages. Additionally, the ISSO will collaborate with development teams to design, integrate, and enhance information systems while recommending mitigation strategies for emerging security challenges. The ideal candidate will bring expertise in the Risk Management Framework (RMF), system administration, and program management. This hybrid position requires managing systems at the Secret, SCI, and SAP levels while balancing strategic governance and hands-on technical maintenance. The candidate must effectively engage with stakeholders ranging from end-users to Authorizing Officials (AO) while maintaining a resilient cybersecurity posture in response to evolving threats. Responsibilities: Security Policy Implementation: Develop, implement, and enforce security policies, standards, and procedures to ensure the protection of information systems. Configuration Management: Ensure that all information systems are configured securely according to organizational policies and best practices. System Patching: Perform system patching in response to IAVAs and other security findings and requirements Risk Management: Conduct risk assessments to identify and mitigate potential security threats. Assess the impact of changes in the IT environment and update the risk management framework accordingly. Security Compliance: Ensure that information systems comply with relevant government and industry standards, such as NIST, FISMA, and DoD regulations. Prepare and maintain documentation to demonstrate compliance. Continuous Monitoring: Implement continuous monitoring processes to detect and respond to security vulnerabilities and threats. Utilize tools like SIEM (Security Information and Event Management) to monitor system activities. Security Audits: Conduct regular security audits and assessments to evaluate the effectiveness of security measures and identify areas for improvement. Collaboration: Work closely with other IT and security professionals to ensure a coordinated approach to cybersecurity. Liaise with external stakeholders, such as auditors and regulatory bodies, as needed. Documentation: Maintain comprehensive documentation of security policies, procedures, and measures taken to secure information systems. Prepare reports for management on security status and incidents. Security Enhancements: Recommend and implement security enhancements to improve the overall security posture of the organization. Stay updated with the latest security trends and technologies. Oversee the efforts of less senior staff and/or be responsible for the efforts of all staff assigned to a specific job. Qualifications:* * Security Clearance: oMust be a U.S. Citizen oActive Top-Secret Security Clearance with ability to obtain SCI Certifications and Technical Expertise/Experience: oCertifications required: COMPTIA Security + / CISSP oDESIRED AWS certification (e.g., AWS Solutions Architect Associate or Professional) Education: oA Master of Arts/Master of Science/Master of Engineering MA/MS/ME degree oYears of experience may be considered in lieu of a masters degree Experience: oHave no less than three (3) years' experience in a Special Access Program (SAP) and/or Sensitive Compartmented Information (SCI) environment within the last five (5) years oPossess minimum of 10 years of relevant work experience oMinimum of 2-5 years of experience in ISSO roles oProficiency in using security tools and technologies, such as firewalls, intrusion detection/prevention systems, SIEM, and endpoint protection. oKnowledge of network security, application security, and endpoint security principles. oUnderstanding of operating systems (Windows, Linux, etc.) and their security configurations. oFamiliarity with cloud security best practices oFamiliarity with RMF process oExperience with Spunk or other similar applications oExperience with security compliance and regulatory requirements. oStrong analytical and problem-solving abilities. oCapability to analyze complex security issues and develop practical solutions. oExcellent written and verbal communication skills. oAbility to effectively communicate technical information to non-technical stakeholders oExperience working in a DoD program or product acquisition office or environment Technical Expertise: oProficiency with Windows, Linux, and/or VMware administration. oKnowledge of network security principles and tools. oExperience with DISA STIG implementation, RMF compliance processes, and vulnerability assessment tools (Nessus, Splunk, HBSS). * Desired Qualifications: oIn-depth experience supporting government environments, especially within the DoD. oAdvanced scripting skills for task automation (e.g., PowerShell, Python). oAbility to multitask, prioritize, and manage time efficiently oExperience working in a DoD program or product acquisition office or environment #LI-DI #MTSI-Jobs 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.