Senior Cyber Software Engineer

Join Peraton as a Senior Cyber Software Engineer

Peraton is seeking a Senior Cyber Software Engineer to join our high-impact Cyber Missions team in Laurel, MD. In this role, you’ll work as part of an integrated product development team building mission-critical capabilities that operate across large-scale compute clusters and modern AWS cloud environments.

You’ll play a key role throughout the full software lifecycle—designing, developing, optimizing, and sustaining advanced cyber systems that directly support national-level missions.

What You’ll Do

• Drive all phases of agile software development for a full-featured cloud-hosted service
• Develop, test, and integrate new capabilities while improving performance and scalability
• Contribute to optimization and performance tuning for distributed systems
• Support ongoing operations, sustainment, and system enhancements
• Collaborate with cross-functional engineers to deliver reliable, secure, mission-aligned solutions

What You Bring

Technical Expertise

• Hands-on experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and Agentic AI
• Strong background in AWS architecture, including use of AWS SDKs and APIs
• Proficiency with observability tools (Elasticsearch, OpenSearch, etc.)
• Experience building and managing infrastructure with Infrastructure as Code (IaC) tools such as CloudFormation or Terraform
• Solid understanding of CI/CD pipelines, automated testing, and monitoring best practices
• Java programming expertise for distributed, networked, and multi-threaded systems
• Familiarity with microservices, containerization, and Kubernetes orchestration
• Experience working in Agile development environments with modern source-control and collaboration tools
• Working knowledge of security and compliance principles for cloud-based and distributed systems

What You’ll Own

As a Senior Software Engineer, you will be trusted to:

• Independently perform development, installation, testing, maintenance, and troubleshooting
• Lead technical evaluations, estimate task durations, and help shape project plans
• Review engineering designs for accuracy, completeness, and alignment with mission needs
• Contribute to a culture of innovation, technical excellence, and continuous improvement

Basic Qualifications

• 14+ years of Software Engineering experience on programs of similar scope and complexity
• Bachelor’s degree in Computer Science, Math, Engineering, Statistics, Engineering Management, or a related field
• May substitute 4 additional years of SWE experience in lieu of a degree
• Active TS/SCI with polygraph required

Peraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.