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Modern Technology Solutions, Inc. (MTSI) · 2 weeks ago

Software Systems Designer SME

Beavercreek, OH

Full-time

Onsite

Senior Level, Lead/Staff

15+ years exp

Modern Technology Solutions, Inc. (MTSI) is seeking a Software Systems Designer SME to provide expert-level knowledge in the design, development, and integration of advanced software solutions for Department of Defense missions. The role involves leading software system design, ensuring compliance with DoD standards, and providing technical leadership throughout the software lifecycle.

Information Technology

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Lead the design, architecture, and optimization of software systems tailored to DoD mission requirements

Develop detailed specifications, software requirements documentation, and design solutions for complex systems

Ensure software systems maintain interoperability across platforms and applications within the DoD infrastructure

Evaluate emerging technologies, frameworks, and methodologies to recommend solutions that improve system capabilities and efficiency

Serve as the Subject Matter Expert (SME) for designing and integrating software systems in secure environments

Provide technical guidance and mentoring to development teams across the software lifecycle, including requirements analysis, design, coding, testing, deployment, and maintenance

Support root-cause analysis and resolution of critical technical issues related to system performance, scalability, or cybersecurity vulnerabilities

Deliver expert recommendations on the selection of programming languages, development tools, and software patterns

Ensure system designs comply with Department of Defense cybersecurity standards such as Risk Management Framework (RMF), STIG compliance, and FISMA/NIST guidelines

Implement robust security measures to protect data integrity and safeguard classified information from unauthorized access or breaches

Collaborate with cybersecurity teams to embed secure coding practices and hardening strategies into all software deliverables

Collaborate with engineers, testers, and stakeholders to integrate software solutions with DoD systems and platforms effectively

Conduct testing and evaluation of system performance, reliability, and security within operational constraints

Oversee system certifications and approvals, ensuring final designs meet user and mission requirements

Provide post-deployment support, resolving technical issues and optimizing software functionality

Develop detailed design documentation, user manuals, and technical diagrams for stakeholders

Provide expert-level input for program reports, lifecycle cost estimates, and risk analyses for leadership review

Present briefings to senior leadership to demonstrate system capabilities and address design modifications

Qualification

Software System DesignCybersecurity ComplianceProgramming LanguagesCloud ComputingSoftware Development MethodologiesSystem IntegrationTechnical DocumentationAnalytical SkillsAgile CertificationsSecure Development ToolsJiraConfluenceCommunication SkillsProblem-Solving Skills

Required

Active Top Secret clearance with eligibility for Sensitive Compartmented Information (SCI)

Bachelor's Degree in Computer Science, Software Engineering, or related field. Advanced degrees and equivalent military or professional experience may be substituted

Minimum of 15 years of software development and systems design experience, including DoD environments

Proven ability to deliver large-scale, mission-critical software solutions

Expertise in modern programming languages such as Python, Java, C++, or similar

Deep understanding of software development methodologies, including Agile, DevSecOps, and waterfall models

Knowledge of Department of Defense systems and secure development requirements (e.g., STIG, RMF, MIL-STD compliance)

Proficiency in cloud computing platforms (e.g., AWS, Azure, or DoD Cloud solutions) and containerization technologies (e.g., Docker, Kubernetes)

Strong analytical and problem-solving skills to address complex, mission-critical challenges

Exceptional communication skills to coordinate with stakeholders and convey technical concepts effectively

Preferred

Preferred certifications include Certified Information Systems Security Professional (CISSP), AWS Solutions Architect, or relevant Agile certifications

Familiarity with secure software development tools such as Fortify, SonarQube, or GitLab

Working knowledge of Jira and Confluence