Sr App Developer (Full Stack) | U.S Citizen | Active Secret Clearance

Job Description

Job Description

• Senior Application Developer (Full Stack)
• U.S Citizen (Required)
• DoD Active Security Clearance
• Onsite

CCG is seeking a Senior Application Developer to provide day-to-day systems administration and technical support services supporting the Joint Pathology Center (JPC). The successful candidate will help ensure the availability, security, and compliance of enterprise information systems within a Department of Defense (DoD) environment. This position supports mission-critical IT operations and requires experience with Windows systems administration, cybersecurity best practices, end-user support, and DoD technologies.

Key Responsibilities

The Senior Application Developer shall provide enterprise-level software engineering, application support, and Operations and Maintenance (O&M) services for Joint Pathology Center (JPC) software systems. This position shall serve as the technical lead for application development, sustainment, integration, modernization, troubleshooting, configuration management, and secure software delivery, including support for the Laboratory Information System (LIS) and other Commercial-Off-The-Shelf (COTS) and Government-Off-The-Shelf (GOTS) software products across development, test, staging, and production environments.

The Senior Application Developer shall ensure all software systems remain secure, compliant, reliable, accessible, maintainable, and aligned with DoD cybersecurity, privacy, and accessibility requirements. The Senior Application Developer shall operate independently with minimal oversight and coordinate closely with system administrators, database administrators, cybersecurity personnel, application teams, vendors, and mission stakeholders to support software availability, security, interoperability, and mission continuity.

Personnel assigned to this role shall meet all applicable qualification, training, and certification requirements in accordance with DoD Manual 8140.03 and the DoD Cyber Workforce Framework (DCWF). This position shall be aligned to DCWF Work Role 621 – Software Developer and classified within the Cyber IT/Cybersecurity Workforce (CSWF), at minimum, as IAT Level II, where privileged system access or cybersecurity responsibilities are required. For senior-level software engineering duties, this role should be assigned at the Intermediate or Advanced Proficiency level, as determined by the Government.

Personnel shall possess and maintain an active certification meeting, at minimum, CSWF/IAT Level II requirements, such as Security+ CE, CySA+, GSEC, GICSP, or SSCP. For senior-level application development duties, the Government may require or prefer a role-aligned DoD 8140 qualification for DCWF 621 – Software Developer, such as CSSLP, CISSP, CISSP-ISSAP, CISSP-ISSEP, SecurityX/CASP+, SSCP, or other Government-approved software development, secure coding, cloud development, or cybersecurity certification, as applicable to the assigned proficiency level and technology environment.

Application Operations and Maintenance

• Provide software engineering and technical support to ensure full operational capability of JPC application systems.

• Perform O&M support for web-based and Windows-based applications developed using the Microsoft .NET stack, including ASP.NET, C#, MVC, IIS, and related technologies.

• Maintain and support LIS software and other mission-critical applications across all environments (development, testing, staging, and production).

• Monitor application health, logs, and performance metrics to identify errors, performance degradation, and anomalous or suspicious activity.

• Implement corrective actions, patches, and defect resolutions to maintain system stability and performance.

Software Development and Enhancement

• Design, develop, enhance, and sustain applications using industry best practices and approved development frameworks.

• Support Graphical User Interface (GUI) development using technologies including Visual Studio, .NET MVC framework, Kendo UI, JavaScript, HTML, AJAX, ASP, CMS platforms, SQL Server, MySQL, and related tools.

• Implement future system enhancements based on evolving mission requirements and stakeholder input.

• Provide objective evidence that software design outputs meet specified requirements at each phase of the Software Development Life Cycle (SDLC).

AI-Enabled Application Development

• Design, develop, and maintain AI-enabled application features to support data analysis, workflow automation, decision support, and process optimization.

• Integrate machine learning models, analytics engines, or AI services into existing applications in accordance with Government-approved architectures.

• Ensure AI components are transparent, auditable, and compliant with DoD cybersecurity, data governance, and ethical use guidelines.

• Support AI model lifecycle activities, including training data integration, testing, validation, deployment, and performance monitoring.

• Collaborate with stakeholders to identify appropriate use cases for AI within LIS and other JPC systems.

Systems Integration and Interfaces

• Design, implement, and maintain integrations between multiple software systems using web services, APIs, and HL7 interfaces.

• Monitor and maintain system interfaces to ensure reliable data exchange and interoperability.

• Support database interactions and coordinate with database administrators to ensure data integrity and performance.

Configuration, Change, and Release Management

• Establish and maintain version control repositories using approved tools (e.g., Team Foundation Server, Git-based systems).

• Track, manage, and document all software Change Requests (CRs) using robust configuration management practices.

• Plan, coordinate, and execute software releases, patches, and updates across environments.

• Support release validation and rollback procedures as required.

Software Security and Compliance

• Embed security controls within software applications to meet DoD cybersecurity requirements.

• Implement and maintain Application Security Technical Implementation Guides (STIGs).

• Ensure applications comply with Section 508 accessibility requirements.

• Conduct application security testing using approved tools and methodologies (e.g., OWASP, Fortify, static and dynamic code analysis).

• Support Certification and Accreditation (C&A) / RMF activities related to application systems.

Testing, Verification, and Validation

• Perform and support verification and validation activities, including unit testing, functional testing, code inspections, walkthroughs, and static/dynamic analysis.

• Ensure software meets functional, security, and performance requirements prior to deployment.

• Document test plans, results, and remediation actions.

Documentation and Stakeholder Reporting

• Develop and maintain comprehensive technical documentation, including system designs, configuration baselines, interface documentation, and SOPs.

• Generate reports and status updates to communicate system changes, configuration updates, risks, and operational status to JPC stakeholders.

• Ensure all software artifacts are documented across SDLC phases, including Planning, Analysis, Design, Implementation, Testing, Deployment, and Maintenance.

Required Qualifications

• Associate's or Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field (or equivalent experience).
• Experience supporting Windows-based enterprise environments.
• Knowledge of Windows Server administration.
• Experience providing desktop and end-user technical support.
• Familiarity with Active Directory, Group Policy, DNS, and DHCP.
• Strong troubleshooting and problem-solving skills.
• Excellent written and verbal communication skills.
• Ability to work independently and as part of a team.
• Ability to obtain and maintain a Secret Security Clearance .

 

Company Description

Canfield CyberDefense Group, CCG

Mission: Provide Software, and Engineering Services and Cyber Related Products

We can provide accessible, knowledgeable, and professional personnel in the information technology arena, including project and risk management, computer engineering and support for the full systems life cycle process. We assist our both federal and commercial to analyze, develop, and implement strategic objectives in a timely and effective manner. Our certified engineering and software development experts have the necessary breadth of experience to help our clients analyze, design, and develop systems and to manage resources, mitigate risk, and provide outstanding training and documentation support services.

Company Description

Canfield CyberDefense Group, CCG \r\n\r\nMission: Provide Software, and Engineering Services and Cyber Related Products\r\n\r\nWe can provide accessible, knowledgeable, and professional personnel in the information technology arena, including project and risk management, computer engineering and support for the full systems life cycle process. We assist our both federal and commercial to analyze, develop, and implement strategic objectives in a timely and effective manner. Our certified engineering and software development experts have the necessary breadth of experience to help our clients analyze, design, and develop systems and to manage resources, mitigate risk, and provide outstanding training and documentation support services.