Software Engineer Level 3 Fort Meade, MD TS/SCI with FULL SCOPE

Location: Columbia, MD
Job Type: Full-Time
Experience Level: Senior
Security Clearance: Active TS/SCI with Full Scope Polygraph Required
Salary Range: $150,000 - $250,000

SNS One is seeking an experienced Software Engineer to support mission-critical programs in a highly secure environment. The selected candidate will develop, maintain, and enhance complex software systems supporting large-scale data processing, advanced analytics, real-time operations, and enterprise applications. This role requires expertise in modern software engineering practices, Kubernetes-based platforms, automation, and secure software development methodologies.

The ideal candidate will possess extensive experience designing and developing scalable software solutions, implementing high-performance algorithms, integrating applications across diverse environments, and supporting cloud-native and containerized infrastructures.

• →Develop, maintain, and enhance complex software systems, including processing-intensive analytics, real-time systems, large-scale data processing platforms, and business management information systems.
• →Design, code, test, and integrate software solutions based on documented requirements and mission objectives.
• →Design and implement complex data interfaces and execute queries against existing and proposed repositories to support data accessibility and system functionality.
• →Develop and implement high-performance algorithms and scalable software architectures.
• →Analyze workflows, business processes, and system performance to develop technical solutions and recommend improvements.
• →Review, test, and validate software components to ensure compliance with design specifications and performance requirements.
• →Investigate, troubleshoot, and resolve software defects, performance issues, and operational problems.
• →Create, review, and maintain technical documentation, software designs, and testing procedures.
• →Participate in system architecture discussions, including hardware/software trade studies and design decisions.
• →Evaluate and integrate Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) technologies when appropriate.
• →Perform requirements analysis and decomposition from system-level requirements to individual software components.
• →Collaborate with engineering teams, management, and customers to communicate technical solutions and project status.
• →Support Agile development processes and participate in sprint planning, reviews, and documentation activities.

• Twenty (20) years of experience as a Software Engineer supporting programs and contracts of similar scope, type, and complexity.
• Bachelor's degree in Computer Science or a related discipline from an accredited college or university. Four (4) additional years of software engineering experience may be substituted for a bachelor's degree.
• Active TS/SCI with Full Scope Polygraph.
• One of the following certifications:
  • CompTIA Security+ CE
  • CCNA Security
  • CySA+
  • GICSP
  • GSEC
  • CND
  • SSCP
• Hands-on experience operating or platform engineering production-grade Kubernetes clusters.
• Strong understanding of containerization technologies and security concepts, including Pod Security Standards.
• Working knowledge of PKI certificate management and Public Key Infrastructure (PKI).
• Experience implementing GitOps workflows and CI/CD pipelines.
• Basic Linux system administration experience.
• Experience with Python and Bash scripting.
• Experience using Jira and Confluence for project management, task tracking, and technical documentation.

• Experience supporting cloud-native applications and container orchestration platforms.
• Experience with DevSecOps methodologies and secure software development practices.
• Familiarity with infrastructure automation and configuration management tools.
• Experience supporting mission-critical government or DoD programs.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent verbal and written communication skills.