> Markdown version of [/jobs/ext/4588711-software-engineer-level-3](https://www.wearedevelopers.com/jobs/ext/4588711-software-engineer-level-3). 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). --- # Software Engineer Level 3 - **Company:** Markon Solutions - **Location:** United States - **Experience:** Experienced - **Salary:** $250,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Apache Accumulo, Agile Methodology, Amazon Web Services, Business Analytics Applications, Data Analysis, Software Applications, Big Data, Cloud Computing, Cloud Engineering, Code Review, Continuous Integration, Data Infrastructure, Distributed Systems, Apache Hadoop, Scrum Methodology, Server Administration, Software Deployment, Software Engineering, Systems Integration, Enterprise Data Management, Software Organization, Data Processing, Spring Cloud, Infrastructure as Code (IaC), Containerization, Deployment Automation, Terraform, Software Version Control, Devsecops, Serverless Computing, Docker - **Published:** November 5, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-level-3-annapolis-junction-md--8dc53757-c08e-4a37-8bfb-2a97a80404d8 ## About the Role Software Engineering, Software Engineering, Software Development, Data Processing, Cloud Computing, Big Data, Infrastructure Software, Software Administration, Data Analysis, Test Plan/Schedule, * Active TS/SCI w/ Polygraph with this Customer. * Bachelor's degree and 20+ years of software engineering experience * Experience developing solutions using Hadoop and Accumulo * Experience developing and deploying applications within AWS cloud environments * Experience with Infrastructure as Code (IaC) using Terraform * Strong software development experience with Java and Python * Experience supporting large-scale data processing, storage, and analytics platforms * Experience working in Agile development environments * Experience with source code management and CI/CD practices * Strong analytical, troubleshooting, and problem-solving skills * Excellent written and verbal communication skills Desired Qualifications * Experience with cloud-native and serverless architectures * Experience with distributed computing and big data ecosystems * Experience with containerization technologies such as Docker and Kubernetes * Familiarity with DevSecOps practices and automated deployment pipelines * Experience supporting Intelligence Community mission systems and enterprise data platforms ## Description Markon is seeking a Software Engineer 3 to support the Fort Meade customer in designing, developing, and maintaining mission-critical data processing and cloud-based solutions. This role leverages big data technologies, cloud infrastructure, and modern software development practices to deliver scalable, secure, and high-performing applications that support enterprise mission objectives. The position works closely with engineers, architects, and stakeholders to develop innovative solutions within complex data environments., * Design, develop, test, and maintain software applications supporting large-scale data processing and analytics * Develop and enhance solutions utilizing Hadoop, Accumulo, and AWS technologies * Build and maintain cloud-native applications and services within AWS environments * Develop software using Java and Python to support mission and business requirements * Implement and manage Infrastructure as Code (IaC) solutions using Terraform * Collaborate with architects, engineers, and stakeholders to define requirements and implement technical solutions * Support system integration, deployment, and modernization initiatives * Troubleshoot and resolve software defects, performance issues, and integration challenges * Participate in Agile development activities, including sprint planning, code reviews, testing, and deployment * Develop and maintain technical documentation and software artifacts