Software Systems Designer SME

Modern Technology Solutions, Inc. (MTSI); Beavercreek (OH); On-site; USD 90,000 - 120,000; Full time

Job summary

Modern Technology Solutions, Inc. (MTSI) is looking for a Software Systems Designer SME in Beavercreek, Ohio. This role involves providing technical leadership in the design and integration of complex software systems while supporting secure digital infrastructure efforts. The ideal candidate should have a bachelor's degree in Engineering or Computer Science and experience with Agile and DevSecOps methodologies, alongside an active TS/SCI clearance. Responsibilities include supporting software design, contributing to development activities, and coordinating with various stakeholders to ensure effective communication and documentation.

Qualifications

• Experience coordinating across diverse technical teams.
• Experience supporting software systems design, integration, or architecture in secure environments.
• Ability to work in classified environments.

Responsibilities

• Support design and integration of software systems across platforms.
• Contribute to software development activities including prototyping and testing.
• Collaborate with cross-functional teams to improve software delivery speed.

Skills

Systems-oriented mindset

Experience in software systems design

Ability to communicate complex concepts

Familiarity with Agile and DevSecOps

Active TS/SCI clearance

Education

Bachelor’s degree in Engineering, Computer Science, or related field

Tools

Jira

Confluence

Cameo

Job description

Software Systems Designer SME provides technical leadership in the design, integration, and delivery of complex software systems supporting advanced digital infrastructure efforts. This role focuses on enabling modern, cloud-based software environments and DevSecOps pipelines to support the development, integration, and delivery of software across platform, weapon, and terrestrial systems in highly secure environments.

The ideal candidate brings a systems-oriented mindset, experience coordinating across diverse technical teams, and the ability to communicate complex software and architecture concepts to a wide range of stakeholders.

Key Responsibilities

Software Systems Design & Integration

• Support the design and integration of software systems across embedded platforms, mission systems, and terrestrial applications.
• Contribute to software development activities including prototyping, integration, testing, and delivery across multiple security levels.
• Ensure software solutions support interoperability, scalability, and long-term sustainability.

Digital Infrastructure & DevSecOps Enablement

• Support modern digital infrastructure and software pipelines that enable secure development, integration, and delivery.
• Collaborate with cross-functional teams to improve software agility, automation, and delivery speed.
• Evaluate and recommend improvements to tools, workflows, and processes supporting DevSecOps execution.

Architecture Alignment & Technical Assessment

• Support alignment with open architectures, reference frameworks, and interface standards.
• Participate in technical planning, design reviews, test reviews, and technical assessments.
• Assist in evaluating system designs for compliance, integration readiness, and operational suitability.

Technical Coordination & Communication

• Coordinate technical efforts across government and industry stakeholders.
• Develop technical documentation, briefing materials, and decision support content.
• Present technical information clearly to both technical and non-technical audiences, including senior leadership.

Key Competencies

• Active TS/SCI clearance (required).
• Bachelor’s degree in Engineering, Computer Science, or a related technical field.
• Experience supporting software systems design, integration, or architecture in secure or regulated environments.
• Familiarity with modern software development practices, including Agile and DevSecOps.
• Experience using collaboration and engineering tools such as Jira, Confluence, and Cameo.
• Ability to work in classified environments, including vault/SCIF settings.
• Willingness to travel up to 20%.

Desired Qualifications

• Experience working with open architectures, modular software systems, or reference architectures.
• Background supporting complex system-of-systems or mission-critical software efforts.
• Exposure to software delivery across multiple lifecycle phases.
• Strong problem-solving skills and willingness to operate in fast-paced, evolving environments.