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# Software Engineer Level 3

- **Company:** Markon, LLC.
- **Location:** United States
- **Experience:** Experienced
- **Salary:** $250,000.0
- **Contract:** Permanent contract
- **Skills:** Algorithm Design, Data Analysis, Big Data, Code Reuse, Server Administration, Software Engineering, Verification and Validation (Software), Systems Integration, Data Processing, Real Time Systems, Software Troubleshooting, Bug Reporting, Software Performance
- **Published:** November 7, 2026
- **Apply:** https://www.careerbuilder.com/job-details/software-engineer-level-3-annapolis-junction-md--57c753e5-c541-4ceb-a399-6e7aab40a6ac

## About the Role

Software Engineering, Software Engineering, Systems Administration/Management, Algorithms, Data Processing, Software Administration, Regulatory Compliance, Software Development, Maintain Compliance, Software Validation, * Active TS/SCI clearance with a polygraph through this customer is required.

 * Bachelor's degree required.
 * 20+ years of relevant software engineering experience required.
 * Experience developing, maintaining, and enhancing complex software systems.
 * Experience with software design, development, testing, and troubleshooting.
 * Knowledge of software development methodologies, requirements analysis, and system integration.
 * Experience evaluating hardware/software tradeoffs, software reuse, and COTS/GOTS solutions.
 * Strong analytical, problem-solving, and collaboration skills.

## Description

Markon is seeking an experienced Software Engineer Level 3 to support a Fort Meade customer. This role will focus on developing, maintaining, and enhancing complex software systems supporting mission-critical operations. The position involves processing-intensive analytics, algorithm development, large-scale data processing, and real-time systems while ensuring software performance, reliability, and compliance with technical requirements.
Responsibilities:

 * Design, develop, maintain, and enhance complex software systems based on documented requirements.
 * Develop software solutions supporting advanced analytics, algorithm development, large-scale data processing, and real-time applications.
 * Review, test, and validate software components to ensure compliance with design specifications and performance requirements.
 * Troubleshoot software issues, resolve problem reports, and implement corrective solutions.
 * Apply software development methodologies and engineering best practices throughout the development lifecycle.
 * Support system design decisions, including hardware/software tradeoffs, software reuse, and integration of COTS and GOTS solutions.
 * Analyze and translate system-level requirements into detailed software specifications and components.
 * Collaborate with engineering teams and stakeholders to support software integration, testing, and deployment.