Senior Web Developer

General information

Requisition # R60519 Locations USA-VA-Herndon Posting Date 05/19/2025 Security Clearance Required Secret Remote Type Hybrid Time Type Full time

Description & Requirements

Transform the future of federal services with ManTech! Join a vibrant, energetic team committed to enhancing national security and public services through innovative tech. Since 1968, we’ve partnered with Federal Civilian sectors to deliver impactful solutions. Engage in exciting projects in Digital Transformation, Cybersecurity, IT, Data Analytics and more. Ignite your career and drive change. Your journey starts now—innovate and excel with ManTech!

ManTech seeks a motivated, career and customer-oriented Senior Web Developer to join our team in DC, Maryland, and Virginia (DMV) area.

In this role you will design, create, and modify Websites. You will be responsible for analyzing user needs to implement Website content, graphics, performance, and capacity. You will integrate Websites with other computer applications as well as convert written, graphic, audio, and video components to compatible Web formats by using software designed to facilitate the creation of Web and multimedia content.

Responsibilities include but are not limited to: 

• Designs, develops, and publishes web sites supporting the Department of Homeland Security (DHS) customers for DHS only and Public access.

• Collaborates with customers and stakeholders to identify requirements, design systems software, develop updates to existing applications, and build in cyber security to reduce the attack surface

• Coordinates and collaborates with technical teams providing advice, staying abreast of technical solutions, and provide necessary graphics, web site content to support the DHS customer mission

• Capture requirements, analyze customer needs to design, develop, test, and deploy websites ensuring integration with other applications as required using web formats used by the anticipated customers.

• Develops and maintains diagrams, documentation, and other artifacts that web development, track and test deployed web sites to ensure currency, support maintenance, troubleshooting, operations, and security of web sites

• Uses software development best practices for code documentation, development, refactoring, and other core functions to facilitate ease of use and reuse by other software developers, quality assurance evaluators, and software audits

• Analyze, review, recommend changes as appropriate to ensure web site availability, technology platforms integration, and ease of use ensuring alignment with mission, laws, regulations, and policies

Minimum Qualifications:

• Bachelor’s Degree in Information Technology, Computer Science, Engineering or a related field

• 10+ years experience designing, developing and publishing websites

• Knowledge and use of Web development, testing, and analysis tools

• Knowledge of various software programming languages, i.e. Python, Java, C++, Cobol,