Software Engineer (SE) Level 3

Clearance Level
Top Secret SCI + Polygraph
Software Engineering
Annapolis Junction, Maryland

REQ#: RQ101342

Travel Required: Less than 10%
Public Trust: Other
Requisition Type: Pipeline

We are GDIT. We stay at the forefront of innovation to solve complex technical challenges. 

At GDIT, we foster a people-centric environment. As a Software Engineer supporting one of the most technical DoD Agency’s, you will be trusted to work on National Level Technology. In this role, a typical day will include:

  • Analyze user requirements to derive software design and performance requirements
  • Debug existing software and correct defects
  • Provide recommendations for improving documentation and software development process standards
  • Design and code new software or modify existing software to add new features
  • Integrate existing software into new or modified systems or operating environments
  • Develop simple data queries for existing or proposed databases or data repositories
  • Write or review software and system documentation
  • Serve as team lead at the level appropriate to the software development process being used on any particular project
  • Design or implement complex database or data repository interfaces/queries
  • Develop or implement algorithms to meet or exceed system performance and functional standards
  • Assist with developing and executing test procedures for software components
  • Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas
  • Modify existing software to correct errors, to adapt to new hardware, or to improve its performance
  • Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design
  • Develop and support a near real time messaging infrastructure, Messaging products include: TIBCO EMS, ActiveMQ, Artemis, and Kafka
  • Provide Tier III support on the Data Transport Systems (DTS) software
  • Develop and support the DTS portfolio (DTS supports complex event processing using FOSS tools to collect infrastructure monitoring/metrics, and generate threshold based and temporal based alerting, DTS components send status information back to storage areas where quires can be made)
  • DTS products include but are not limited to:
    • Cloud storage areas: Apache Accumulo (Apache Zookeeper, ApacheHadoop)
    • Oracle DMBS
    • Real time streaming: Storm
    • Distributed in-memory data Cache/Storage: Redis
    • Graph Compute engine/Query Interface apache Tinkerpop/Gremlin
    • Rules Engine: JBoss Drools
    • Apache Camel
    • Spring Framework: used extensively to standardize/simplify configuration logic control, data access, security, Web-tier, etc.
  • Develop and support the GUI interface into the EMM
  • GOTS developed applications include:
    • Addition to FOSS messaging tools to run in the SIGINT environment
    • GUI to display metric/monitoring status and do common queries
    • Command line tools to interact with Accumulo
    • Oracle stored procedures
    • Maintenance scripts to facilitate normal cluster functions (e.g., table splits, compactions, mergers, Local/HDFS directory cleanup, etc)
    • Java Multi-threaded applications
  • Develop and maintain software in the development environment
  • Use configuration management tool and repositories (i.e., Maven, Eclipse, GIT, Redmine)
  • Support Multi-threaded applications
  • Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products
  • Implement recommendations for improving documentation and software development process standards
  • Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project
  • Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces
  • Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met
  • Recommend new technologies and processes for complex software projects
  • Serve as the technical lead of multiple software development teams
  • Select the software development process in coordination with the customer and system engineering
  • Ensure quality control of all developed and modified software
  • Delegate programming and testing responsibilities to one or more teams and monitor their performance


  • Twelve (12) years’ experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree
  • Public Key Enabling (PKE). RESTful services and containers (Oracle WebLogic, JBoss, Tomcat). Java programming language.  Perl programing language. Java EE. Secure web (SSL) and file encryption. LDAP (RedHat directory) Java, Linux (CentOS), Modern IDEs (IntelliJ, Eclipse, etc.) and Agile Scrum process
  • Six (6) years experience programming in the Linux, Unix, Windows, or Cisco OS operating system environment
  • Six (6) years experience writing/maintaining software in Java or GoLang language
  • Three (3) years experience with the Spring Framework
  • One (1) year experience providing/using restful interfaces
  • Six (6) years experience using software development configuration management tools (such as GIT, CVS)
  • Three (3) years experience with test harness software such as Junit or FIT
  • IAM Level I Certificate, IA Baseline Certificate for the Primary Computing environment/Operating System/Security tool
  • Security clearance level( TS/SCI with Poly)

Desired Qualifications:

  • Familiarity with SIGINT security rules
  • Three (3) years experience with the SIGINT environment


  • Full-flex work week
  • 401K with company match
  • Customizable health benefits packages
  • Collaborative teams of highly motivated critical thinkers and innovators
  • Internal mobility team dedicated to helping you own your career
  • Rewards program for high-performing employees

Not sure this job’s the one for you? Check out our other openings at

This position requires being fully vaccinated against COVID-19 by January 18, 2022 or the start date, if after January 18. Individuals who work in or reside in Florida, Montana, Tennessee, Texas, or work outside of the United States may be excluded from this requirement.

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.