Agile Programming Methodologies, Amazon Web Services (AWS), Application Programming Interface (API), Atlassian JIRA, Cloud Computing, Code Reviews, Communication Skills, Community Support, Computer Science, Continuous Deployment/Delivery, Continuous Integration, Data Analysis, Database Administration, Docker, Git, Government Intelligence, High School Diploma, Integration Testing, Intelligence Agencies, Intelligence Community, Internet Security, Jenkins, Linux Operating System, Microsoft Windows Azure, Node.js, Physical Demands, Product Demonstration, Proof of Concept, Python Programming/Scripting Language, REST (Representational State Transfer), SQL Databases, Scrum Project Management and Software Development, Software Design, Software Development, Software Engineering, Source Code/Configuration Management (SCM), Systems Engineering, Unit Test, Unix Operating Systems, User Interface/Experience (UI/UX)
General information
Requisition #
R68819
Locations
USA-VA-Herndon
Posting Date
06/22/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!
MANTECH seeks a driven and mission-focused Senior Python Developer to join our elite team based in Herndon, VA. In this role, you will contribute directly to innovative projects that support the Intelligence Community, helping to protect our country from emerging threats. This position offers the chance to grow your expertise alongside talented Software Developers, Data Engineers, and System Engineers while pioneering solutions that make a national impact.
Responsibilities include, but are not limited to:
- Understand requirements and design and develop software components.
- Research software concepts, develop, and demo proof-of-concepts.
- Collaborate with team members to understand current product features.
- Develop automated unit and integration tests.
- Participate in code reviews and engage in the project's agile development process.
- Effectively communicate with fellow developers and occasionally with end-users.
Minimum Qualifications:
- Bachelor's degree in Computer Science or similar technical field and 10+ years of experience in software development or High School Diploma and 14+ years of experience in software development.
- 10+ years' experience developing with Python
- Experience in SQL and database management
- Experience in front-end / full stack development
- Experience with Version Control Systems such as Git
- Experience with containerization tools such as Docker or Kubernetes
- Knowledge of RESTful API development and integration
- Understanding of Linux/Unix operating system environments
Preferred Qualifications:
- Experience with Agile development methodologies, daily SCRUM, and JIRA
- Experience working with Node.js
- Experience with CI/CD tools such as Jenkins or GitLab CI
- Knowledge of cloud services such as AWS or Azure
Clearance Requirements: Active/current TS/SCI with Polygraph is required for this position.
Physical Requirements: Must be able to remain in a stationary position 50% of the time.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
M
ManTech International Corp
Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.
Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.
Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:
• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.
• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.
• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
5,000 to 9,999 employees
https://www.mantech.com/about