> Markdown version of [/jobs/ext/4608131-jr-software-engineer](https://www.wearedevelopers.com/jobs/ext/4608131-jr-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Jr. Software Engineer - **Company:** Markon, LLC. - **Location:** United States - **Experience:** Starter - **Salary:** $150,000.0 - **Contract:** Permanent contract - **Skills:** Training Data, Java (Programming Language), Data Analysis, Signals Intelligence, Data Integration, Extract Transform Load (ETL), Data Stores, Apache Hadoop, MapReduce, JSON, Metadata, Object-Oriented Software Development, Server Administration, Software Engineering, Bson, Plex, Pyspark - **Published:** November 6, 2026 - **Apply:** https://www.careerbuilder.com/job-details/jr-software-engineer-annapolis-junction-md--3ffd2896-6fc4-4366-985f-c9d4cdc42ccd ## About the Role Software Engineering, Customer Service Tools, Geolocation, Software Engineering, Metadata, Software Administration, Data Analysis, Signal Intelligence (SIGINT), Training Data Sets, Top Secret Clearance, * Active TS/SCI with Polygraph required. * Bachelor's degree in a relevant technical discipline. * A minimum of 2 years of relevant experience in a related area/skillset. * Proficiency with object-oriented languages (JAVA and Python) and experience with PySpark, ETL, Pig, MapReduce, JSON, BSON, and Hadoop. Desired Qualifications: * Knowledge of customer corporate tools and data repositories is desired. ## Description PLEX Solutions, A Part of Markon is looking for a Jr. Software Engineer to support a program in the Annapolis Junction, MD area. This role will support Geolocation and Data Integration. The developer will work closely with mission stakeholders to create innovative applications, analytics, and deploy solutions to customer supported tools to automate and enable data and metadata analysis. Responsibilities: * Mission Focus: Work in a variety of environments to develop analytics based on data from multiple cyber sources, as well as classic SIGINT via data tagging. * Technical Proficiency: Creatively leverage disparate data to fill knowledge gaps in user activities, collection efforts, and technology discovery.