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ManTech International seeks an AWS Infrastructure Developer to design, automate, and secure cloud environments supporting critical U.S. defense and intelligence missions. In this role, you will build scalable AWS architectures using Infrastructure as Code, optimize performance and cost, and harden systems in partnership with cyber and data experts. You'll join a mission-focused, collaborative culture with robust training, clear career paths, competitive pay, and comprehensive benefits while solving complex technical challenges that protect national security. more ->
MANTECH seeks a motivated, career and customer-oriented Junior Developer to join our team in Annapolis Junction, MD. The Junior Developer is part of a dynamic development team, focusing on writing efficient and maintainable code, collaborating with other developers and engineers, and contributing to the development of web applications, Back End services, and automation workflows. This role provides opportunities for career growth, mentoring, and hands-on experience with modern software development tools and practices. You will primarily use Python for Back End development while gaining... more ->
ManTech International seeks a Front End Developer to join our Information Technology (IT) & Digital Solutions team supporting critical national security missions. In this role, you will design, build and optimize secure, responsive user interfaces for complex federal and defense web applications. You will collaborate with back-end, cyber and DevSecOps teams to integrate APIs, implement secure coding practices, and ensure performance, accessibility and cross-browser compatibility. ManTech offers a mission-focused, collaborative culture with robust training, career growth, and competitive pay... more ->
MANTECH seeks a motivated, career and customer-oriented Front End Developer to join our team in Annapolis Junction, MD. Responsibilities include but are not limited to: Design and develop web-based user interfaces for operational tools and capability management systems Create visualization dashboards that present complex technical data in operator-friendly formats Conduct user research with operators to understand workflow pain points and interface requirements Build responsive, accessible web applications optimized for operational environment constraints Integrate Front End applications with... more ->
Job Family : Software Development & Support Travel Required : Up to 10% Clearance Required : Ability to Obtain Public Trust What You Will Do : The Full-Stack Developer will work closely with clients, digital leaders, solutions architects, and technical/functional leads across Guidehouse digital teams and market segments to support client projects and provide solutions for growth efforts and capabilities build-out. Serve as a key member of the modernization team to support technical challenges/demos, building innovative solution prototypes using cloud architectures and software technologies.... more ->
ManTech, a leader in providing cutting-edge technology solutions for national security programs, is currently seeking a Senior Computer Network Operations (CNO) Developer with a deep understanding of cybersecurity and systems engineering. This role involves designing and implementing strategic solutions to protect national security information and infrastructure. The ideal candidate will leverage their expertise in development and reverse engineering to create robust, secure communications tools and software platforms. more ->
ManTech International seeks a Junior Developer to join our Information Technology & Digital Solutions team supporting critical U.S. federal and national security missions. In this entry-level role, you will help design, build, test and maintain secure, enterprise IT applications under the guidance of senior engineers. You will collaborate in an Agile, mission-focused environment, leveraging modern languages and tools while developing your skills through robust training, mentorship and clear career-growth paths at a company known for innovation, integrity and technical excellence. more ->
ManTech is seeking a skilled CNO Developer to join our dedicated team in support of national security objectives. As a developer in our dynamic IT and Cybersecurity department, you will work on groundbreaking projects that are essential for the security and efficacy of intelligence operations. This role combines deep understanding of cyber operations with innovative solution development to safeguard our nation's most sensitive data. more ->
ManTech International seeks a Python Software Developer to build secure, scalable solutions supporting U.S. national security. In the IT & Data Management team, you will design and implement Python-based applications, APIs, and data pipelines for mission-critical systems. You'll apply secure coding, automation, and cloud practices while collaborating with cyber, analytics, and engineering experts. ManTech offers a mission-driven, collaborative culture with robust training, clear growth paths, and competitive pay and benefits in a hybrid work environment. more ->
Job Family : Data Engineering & Architecture Consulting Travel Required : Up to 10% Clearance Required : Ability to Obtain Public Trust What You Will Do Guidehouse is seeking a Lead Developer to provide hands-on technical leadership for data engineering, analytics, and AI-enabled solutions in support of large-scale data modernization initiatives. This role is responsible for designing, building, and operationalizing high-quality data and analytics solutions while guiding development teams and collaborating closely with architects and operations leads. What You Will Need US Citizenship.is... more ->
ManTech seeks an Associate CNO Developer to support highly classified cyber operations in the Defense & Aerospace sector. This role involves creating custom software tools and techniques for offensive cyber operations. As part of our IT & Cybersecurity team, you will contribute to projects that are essential to national security interests. more ->
As an Expert CNO Developer at ManTech, you will be pivotal in providing cutting-edge technology solutions for our nation's most critical security challenges. This role involves creating sophisticated cyber tools and integrating software solutions to support the intelligence community and federal agencies in a high-stakes environment. You will operate at the forefront of cybersecurity, where your work will contribute directly to safeguarding national security. more ->
Job Family : Software Development & Support (Digital) Travel Required : None Clearance Required : Ability to Obtain Public Trust We are seeking a highly skilled Full Stack & DevOps Engineer to support the National Library of Medicine (NLM) Office of Computer and Communications Systems (OCCS) projects. The role involves building and modernizing web applications, enabling interoperability across NIH systems, and operating secure, automated cloud infrastructure. The ideal candidate has deep hands-on experience across Python/Django, Java (Spring Boot), Node.js (Express/NestJS), modern JavaScript... more ->
MANTECH seeks a driven and mission-focused Python Software 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... more ->
SimVentions, Inc. (Glassdoor 4.6) seeks a Senior Software Developer to design, build, and maintain secure, mission-critical applications for Defense & Aerospace programs within our IT department. You will lead complex software efforts, mentor developers, and collaborate with systems, cybersecurity, and program teams to deliver innovative, high-quality solutions for U.S. DoD and federal customers. Join a growth-focused, family-like culture grounded in integrity, respect, and servant leadership, where your expertise directly supports national defense and mission success. more ->
MANTECH seeks a motivated, career and customer-oriented AWS Infrastructure Developer to join our team in Annapolis Junction, MD. Responsibilities include but are not limited to: Design and implement AWS infrastructure architectures supporting operational capability hosting and data processing. Deploy and manage AWS compute resources (EC2, ECS, Lambda) hosting operational capabilities and services. Implement network segmentation, security groups, NACLs, and routing policies enforcing operational security requirements. Leverage orchestration systems (Kubernetes, Nomad, or similar) for container... more ->