# Sr. Software Engineer TS/SCI Polygraph

**Company**: Leidos
**Location**: Hanover, MD
**Experience**: senior
**Job type**: full-time
**Salary**: $131,300.00 - $237,350.00
**Category**: Engineering
**Industry**: Technology

**Apply**: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Hanover-MD/Sr-Software-Engineer-TS-SCI-Polygraph-HANOVER_R-00185307?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_c62c96b1-cc1

## 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

### Required
- Java
- Spring
- RESTful APIs
- JSON
- PostgreSQL
- Linux
- Agile
- CI/CD pipelines

### Nice to have
- Java/J2EE
- Spring Framework
- Spring Boot
- Docker
- Kubernetes
- JIRA

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Source: [Apply at leidos.wd5.myworkdayjobs.com](https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Hanover-MD/Sr-Software-Engineer-TS-SCI-Polygraph-HANOVER_R-00185307?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)