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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer 1 (TS/SCI w/Poly) - **Company:** CACI International Inc. - **Location:** Columbia, MD, United States - **Salary:** $72,700.0 - $149,200.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Microsoft Windows, Apache Accumulo, Algorithm Design, Apache HTTP Server, Apache Tomcat, Public-Key Cryptography, Oracle WebLogic Server, Big Data, Unix, CentOS, Cloud Storage, Computer Programming, Data Security, Data Transport Utility, Software Debugging, Dependency Injection, Linux, Distributed Systems, Drools, Eclipse (Software), Perl (Programming Language), Java Platform Enterprise Edition (J2EE), Gradle, Apache Hadoop, Hadoop Distributed File System, MapReduce, Identity and Access Management, IntelliJ IDEA, Spring Framework, WildFly (JBoss AS), Junit, Lightweight Directory Access Protocols (LDAP), Apache Maven, Oracle (Applications), Scrum Methodology, Software Maintenance, Red Hat Enterprise Linux, Redis, Redmine, Web Application Security, Software Engineering, Software Systems, Data Streaming, Apache Zookeeper, Multithreading, Transport Layer Security, Real Time Systems, Apache Camel, Git, Infrastructure Automation Frameworks, Information Technology, Restful APIs, Golang - **Published:** May 31, 2026 - **Apply:** https://www.juju.com/job/00000000g3yly3 ## About the Role * Candidates should have experience writing analytics using Apache Hadoop, HDFS, and MapReduce * Experience processing large data sets or high-volume data ingest is a plus * Experience monitoring, maintaining and troubleshooting Apache Accumulo, Apache Hadoop, and Apache Zookeeper deployments is required * Knowledge of the Spring Framework and Dependency Injection. * Linux proficiency is required, all development is done on Linux systems. * Working knowledge of Git, Maven, Gradle * Use configuration management tools and repositories (i.e. Maven, Eclipse, GIT, Redmine) * Ability to support Multi-threaded applications * Knowledge of RESTFUL services and containers (Oracle WebLogic, JBoss, Tomcat) * Working Knowledge of Public Key Enabling (PKE) Required Qualifications: * Active TS/SCI with polygraph * 4 - 10 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. * Experience in one (1) or more of the following ten (10): 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.), Agile Scrum process * 1 - 4 year's experience programming in the Linux, Unix or Windows operating system environment * 2 - 4 year's experience writing/maintaining software in Java or GoLang language * 1 - 2 years' experience with the Spring Framework * 1 year experience providing/using restful interfaces * 2 - 4 years' experience using software development configuration management tools (such as GIT, CVS) * 1 -2 years' experience with test harness software such as Junit or FIT * Potentially CWIP Requirements: IAM Level I Certification ## Description * The Software Engineer (SWE) develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements for the Data Transport System (DTS) * 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. Candidates will: o Analyze user requirements to derive software design and performance requirements o Debug existing software and correct defects o Design and code new software or modify existing software to add new features o Provide application development involving high-performance, multi-threaded, distributed computing environments o Will need experience with enterprise-grade/server-side JAVA More about the role: * The position located in Columbia, MD in support of the Data Transport System (DTS) portfolio providing the infrastructure, data protocols and applications required to move time-critical data in near real-time. * These activities are provided for the local stakeholders as well as the Intelligence Community (IC), the Department of Defense (DoD) and other federal partners * The DTS portfolio encompasses transport streams, messages and files with content size ranging from bytes to Terabytes ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Grappling With Clunky Old Software? 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