Senior Software Engineer

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!

***This is for a future opportunity***

ManTech seeks a motivated, career and customer-oriented Senior Software Engineer to join our team in the Reston, VA location. This is an onsite position.

The Senior Software Engineer will be dedicated full-time to development and enhancement support for existing software and systems solutions and the development of new solutions as required.

Responsibilities include but are not limited to:

Designing, developing, programming, and modifying software, systems, applications, and tools, both existing and new in the future

Analyzing software and integration requirements and working with team members to determine development and implementation plans

Correcting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced

Building web services, APIs, and other solutions to interface with third-party systems to synchronize data

Conducting testing of software to be sure it will produce the desired results and that instructions are correct

Organizing and maintaining documentation of developed software and subsequent revisions, so others are able to understand the program

Collaborating with teammates, third-parties, vendors, and users to develop new requirements and solutions

Ability and willingness to travel overseas if required

Basic Qualifications:

10+ years of relevant software engineering experience

Strong programming/development skills and hands-on engineering experience (Java & JDK 17+ and/or Javascript/Typescript)

Strong experience with REST APIs and standard software engineering tools such as Jira, Git, Gradle/Maven and experience developing software in Linux environments

Experience with the full data lifecycle, from ingest through display

Experience using SonarQube for code quality testing

Preferred Qualifications:

Experience with one or more of the following development technologies: Vue.js, Vite, microservices, Bash, wireframes, UX patterns, Websockets, Groovy/Grails

Experience with one or more of the following test technologies: Junit5, AssertJ, Mockito, Postman, Vitest, Eslint

Experience with one or more of the following infrastructure/database technologies: MongoDB, Elasticsearch, PostgreSQL, RabbitMQ, Consul, Vault, Nomad, RHEL9

Experience with Cloud technologies and developing in Cloud environments

Clearance Requirements:

Must have and active/current Secret security clearance.

Physical Requirements:

Must be able to be in a stationary position more than 50% of the time 

Must be able to communicate, converse, and exchange information with peers and senior personnel 

Constantly operates a computer and other office productivity machinery, such as a computer 

The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations 

The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

MANTECH International Corporation 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.