Software Engineer SME with Security Clearance

Potawatomi Federal Solutions, LLC; Fairfield (PA); On-site; USD 151,300 - 205,700; Full time

Job summary

Command Cyber Solutions, LLC is seeking a Software Engineer SME to lead design, development, and sustainment of secure, scalable government software solutions within an MVC architecture. The role guides the full SDLC and ensures compliance with DoD standards and cybersecurity requirements.

Candidates should have 10+ years in full-stack software engineering, strong .NET expertise, and experience in DevSecOps with CI/CD pipelines.

Qualifications

• No formal degree required, but years of directly related experience qualify.
• Active TS/SCI clearance required for the role.
• Extensive full-stack software engineering experience with DoD cybersecurity posture.

Responsibilities

• Lead design, development, and sustainment of secure software solutions.
• Develop and maintain applications using the .NET framework within MVC architecture.
• Provide SME guidance across the SDLC and DoD standards.
• Mentor team members and perform code reviews for quality and security.

Skills

.NET development

Visual Studio 2022

log4net

ANTLR

WebGrease

CI/CD

DoD cybersecurity

Education

No formal degree required

Active TS/SCI Clearance (required)

Tools

MVC architecture

Entity Framework

JSON

jQuery

Job description

Position Title: Software Engineer SME Location: Raven Rock Mountain Complex – Fairfield, PA Clearance: ***Active TS/SCI clearance required*** Salary: $178,000.00 + Position Summary: The Software Engineering Subject Matter Expert (SME) serves as a senior technical leader responsible for the design, development, integration, and sustainment of secure, scalable software solutions supporting government systems. This role provides expert guidance across the full software development lifecycle (SDLC), ensuring compliance with DoD standards and cybersecurity requirements. The SME collaborates with government stakeholders, program management, and cross-functional teams to translate mission needs into high-quality technical solutions while driving innovation and best practices in software engineering. Essential Duties & Responsibilities: Develop, maintain, and enhance applications using the .NET framework. Work within an MVC architecture and support front end and back-end components. Collaborate with cross functional teams to deliver secure, high quality software solutions Troubleshoot, debug, and optimize application performance. Follow established DoD development, security, and documentation standards. Provide subject matter expertise in designing, developing, and implementing complex software solutions to meet government requirements. Lead the full software development lifecycle (SDLC), from requirements analysis and architecture design to coding, testing, and deployment. Engineer and sustain robust software solutions, ensuring they are scalable, secure, and maintainable. Serve as the technical lead for the development team, providing mentorship, code reviews, and guidance on best practices in software engineering. Analyze and troubleshoot complex software defects and performance issues, providing timely and effective resolutions. Evaluate and integrate new technologies, frameworks, and tools to enhance software development capabilities and system performance. Collaborate with government stakeholders and program management to define technical requirements and translate them into functional software. Develop and maintain comprehensive technical documentation, including design specifications, API guides, and deployment procedures. This position requires travel up to 15% to support system integration and deployment efforts. Education, Certification & Experience: Education: This position does not require a formal degree; however, candidates must possess the required years of directly related experience to qualify. Certifications: Active TS/SCI Clearance (required)

• NET Developer (preferred)

CompTIA Security+ (must meet the IT-II Limited Privileged requirement within 6 months of hire date) Experience: Minimum 10 years of experience in full-stack software engineering and development. Minimum 7 years of expertise in modern programming languages such as Java, Python, or C++. Minimum 5 years of experience developing and deploying applications in a DevSecOps environment, including extensive use of CI/CD pipelines and automated testing. Minimum 5 years’ experience in designing and implementing software solutions on both classified and unclassified networks. (preferred) Knowledge: SQL Server, including T-SQL, database design and modeling, normalization/denormalization, indexing, and constraints. Understanding of MVC architecture, Entity Framework, JSON, and front-end technologies such as jQuery. Comprehensive knowledge of software development lifecycle (SDLC) methodologies and best practices. Understanding of DoD development processes, cybersecurity requirements, and secure coding standards. Skills: Advanced proficiency in .NET development using Visual Studio 2022. Experience with logging frameworks such as log4net (Version 6.5.1). Familiarity with tools and frameworks such as ANTLR and WebGrease. Preparing and presenting cybersecurity documentation, reports, and accreditation packets. Abilities: Ability to analyze complex technical problems and deliver effective, timely solutions. Strong leadership, communication, and collaboration skills to work effectively with technical teams and government stakeholders. Ability to manage multiple priorities and deliver high-quality results in a mission-driven environment. Ability to work independently and within team. Why Join Command Cyber Solutions: We recognize that our success begins with our people. We are dedicated to fostering a professional, collaborative, and growth-oriented environment where employees are empowered to excel and advance their careers, CCS offers opportunities to contribute to high-impact federal initiatives, supported by robust professional development programs, competitive compensation, comprehensive benefits, and flexible work arrangements. We prioritize investing in our workforce, ensuring each team member has the resources, support, and career pathways to achieve long-term success while delivering meaningful results for our clients. Culture: At CCS, you’ll be a part of a team that genuinely supports one another and where leadership is invested in the well-being and success of every employee. We foster a work culture where people are valued for who they are, not just what they do, and where your career goals are taken seriously. You’ll be encouraged to grow through mentorship, hands-on experience, and access to continued learning opportunities that align with your aspirations. Whether you’re looking to deepen your expertise, earn new certifications, or take on leadership roles, CCS provides the environment and support to help you get there. Leadership is approachable, collaboration is natural, and success is shared. At CCS, you’re not just joining a company; you’re joining a community committed to your growth and success. Benefits: We offer a comprehensive benefits package designed to support the health, financial security, and overall well-being of our employees and their families. Our offerings include medical and prescription drug plans, dental coverage, group life insurance, and options for supplemental life insurance to provide additional protection. We also provide short-term and long-term disability insurance, flexible spending accounts, and employee assistance programs to help employees manage personal and professional needs. Our package also includes identity theft protection and a competitive 401(k) retirement savings plan with company contributions, giving employees valuable resources to protect their future and achieve long‑term financial goals. EEO Statement: Command Cyber Solutions, LLC is an equal opportunity employer. Command Cyber solutions, LLC does not discriminate in employment opportunities or practices on the basis of race, color, religion, sex, national origin, age, disability, marital status or any other characteristic protected by law.