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From the employer's careers site First seen 1 Nov 2026

Sr. Software Engineer TS/SCI Polygraph

Leidos Hanover, MD senior full-time

Salary

$131,300 - $237,350 per year

Apply on Leidos

Description

Leidos has a new opportunity for a Software Engineer in our National Security Sector's Cyber & Analytics Business Area. You will support the design, development, testing, deployment, and maintenance of a Data Dictionary capability providing metadata specification, storage, and access services.

The system includes a Java/Spring-based backend, RESTful APIs, and a web-based user interface. You will work independently to implement features, contribute to architectural decisions, and support full lifecycle software delivery within a collaborative Agile environment.

Responsibilities

  • Develop, maintain, and enhance Java/Spring applications supporting:
  • A web-based user interface for creating and managing metadata specifications
  • A database solution for storing specifications
  • RESTful services enabling programmatic access to specifications
  • Design and implement backend services and APIs
  • Contribute to system architecture, technical design, and engineering best practices
  • Develop and maintain database schemas, queries, and integrations
  • Support CI/CD pipelines, deployment activities, and operational readiness
  • Collaborate with cross-functional teams, stakeholders, and system integrators
  • Mentor junior engineers and provide technical guidance

Required Qualifications

  • Active TS/SCI clearance with Polygraph
  • Bachelor’s degree in Computer Engineering, Computer Science, or a related technical field
  • Eight years of software engineering experience
  • Three years of experience in SIGINT, IA, or IT domains
  • Three years of experience with modern Java and Spring/Spring Boot development
  • Experience developing RESTful APIs and JSON-based web services
  • Strong SQL and relational database experience, including PostgreSQL or equivalent technologies
  • Experience working in Linux development environments

Desired Qualifications

  • Java/J2EE application development
  • Spring Framework and Spring Boot
  • PostgreSQL and SQL database design
  • User interface design, development, and testing
  • REST, XML, and JSON web services
  • Linux-based systems
  • Docker and Kubernetes
  • CI/CD pipelines and deployment automation
  • Task tracking and ticketing systems such as JIRA or Redmine
  • Clear, professional communication of technical ideas, status, and issues to both peers and management

Benefits

  • Competitive benefits including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and more

Skills

Nice to have

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Hanover-MD/Sr-Software-Engineer-TS-SCI-Polygraph-HANOVER_R-00185307

Apply on Leidos