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# Information Systems Security Engineer (ISSE)

- **Company:** Modern Technology Solutions, Inc.
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $160,000 - $220,000
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Elastic Compute Cloud, Software Applications, Systems Engineering, Burp Suite, CentOS, Cyber Security, Software Design Documents, Fault Tolerance, Information Security Management, Information Systems Security Architecture Professional, Python (Programming Language), Systems Development Life Cycle, Red Hat Enterprise Linux, Fortify (Software), Ruby, Virtualization Technology, Enterprise Software Applications, Software Security, Information Technology, Nessus, Checkmarx, Burpsuite, Docker, Plan of Action and Milestones, Vulnerability Analysis
- **Published:** November 4, 2026
- **Apply:** https://www.juju.com/job/7_A16B4A446DA63D4A5B9BC0D79CD892E2

## About the Role

procedures, and documentation to ensure compliance with the authorization packageRequired:10+ years' technical experience in cybersecurity, information technology, or systems engineeringMust have experience working with Special Access Programs (SAPs)Strong proficiency fault tolerance, and Reliability, Maintainability, Availability (RMA) subject matter.Must possess excellent analytical skills and be capable of quantifying risk to enterprise systems and level of compliance with security policyExcellent communication skills (verbal and written) requiredAdvanced knowledge in one or more of the following areas:Java, Python, Ruby and/or C++Linux Expertise (RedHat/RHEL or CentOS preferred)Dynamic & Static Application Security Scanning (e.g., Arachni, OWASP ZAP, BurpSuite, Fortify, Checkmarx, etc.)Virtualization and containers (EC2, Docker)Infrastructure Security Scanning, Vulnerability Scanning (Twistlock, ACAS/Nessus)Certifications, Certified Information Systems Security Professional

## Description

MTSI is seeking a Information Systems Security Engineer (ISSE) whose primary function will be to serve as the Program Office's information security professional responsible for managing all aspects of an organization's information security system, including researching, testing, training, and implementing programs designed to safeguard sensitive information from possible compromise.
Your essential job functions will include but may not be limited to:The ISSE works with System Engineering teams to incorporate cyber resiliency objectives, techniques, and design principles into all system engineering and development efforts throughout the systems development life cycle (SDLC).Develop and maintain documentation and diagrams for security tools, system environments, and cloud operationsPerform requirements analysis, design, and integration for complex software applications and collaboration infrastructuresParticipate in the change management process, including reviewing Change Requests and assisting in the assessment of security impact of proposed changesWrite implementation and design documents describing how security features are implementedCreate and maintain information system security documentation, Standard Operating Procedures (SOP), and provide guidance on active Plans of Action and Milestones (POA&M)Conduct periodic and continuous monitoring of the system