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Software Systems Designer SME

Modern Technology Solutions, Inc.

Today
Top Secret/SCI
Unspecified
Unspecified
Management
Beavercreek, OH (On-Site/Office)

The Software Systems Designer SME provides expert-level knowledge in the design, development, and integration of advanced software solutions supporting Department of Defense missions. This role combines technical expertise, strategic planning, and hands-on engineering to guide the development and lifecycle management of secure and reliable software systems. The SME ensures that systems meet operational requirements and adhere to DoD-specific standards, including cybersecurity protocols and software development best practices, while supporting classified programs in sensitive environments.

Candidates must hold a Top Secret security clearance to manage secure system designs and classified program data.

Key Responsibilities
Software System Design and Development
  • 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.
Technical Leadership and Expertise
  • 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.
Cybersecurity and Compliance
  • 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.
System Integration and Testing
  • 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.
Documentation and Reporting
  • 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.


Key Competencies
  • 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.


Basic Qualifications
  • Security Clearance : Active Top Secret clearance with eligibility for Sensitive Compartmented Information (SCI).
  • Education : Bachelor's Degree in Computer Science, Software Engineering, or related field. Advanced degrees and equivalent military or professional experience may be substituted.
  • Experience :
  • Minimum of 15 years of software development and systems design experience, including DoD environments.
  • Proven ability to deliver large-scale, mission-critical software solutions.
  • Certifications :
  • 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.


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About Us
Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned technology firm specializing in Digital Engineering, Space Systems, Unmanned Systems, Flight Test Engineering, Modeling and Simulation, Cybersecurity, and DevOps for vital defense and intelligence programs. MTSI excels in delivering premier solutions to address global challenges. Founded in 1993, MTSI now operates across 20+ global offices and field sites. Perks of being part of MTSI's employee-ownership culture include: • 6% 401k matching with immediate vesting • Semi-annual performance bonuses • Company-funded Employee Stock Ownership Plan (ESOP) • 20 days of paid time off (PTO), 10 paid holidays, and flexible work schedules • Optional zero-deductible BC/BS insurance with FSA • Certified as a top workplace Join us in a company with a long-term strategy and a commitment to our employee-owners, free from external shareholders' demands.

Modern Technology Solutions, Inc. Jobs


Job Category
Management
Clearance Level
Top Secret/SCI