Senior Software Engineer - TS/SCI Poly | Enterprise Dev

Quest Oracle Community; Alexandria, Northern (VA, KY); Hybrid; USD 131,000 - 237,000; Full time

Benefits offered by this job

Competitive compensation

Health and Wellness programs

Retirement

Job summary

Leidos in Virginia is seeking a Sr. Software Engineer with an active TS/SCI Polygraph. You will contribute across the SDLC for a large enterprise system, performing design, development, testing, and deployment using Java, Python, C/C++, and web technologies.

You will participate in Agile ceremonies, ensure code quality and automation, and work with security-focused cryptographic and data handling practices. On-site in VA.

Qualifications

• BS degree with many years of experience in software engineering.
• Strong Java experience and frameworks like Spring/JEE.
• Proficiency with multiple programming languages (Java, Python, C/C++).
• Experience with databases and web services, cryptography basics.

Responsibilities

• Participate in daily stand-ups and planning events.
• Analyze complex requirements and design robust software.
• Develop, test, and deploy features for enterprise systems.
• Promote reuse, maintainability, and cross-team collaboration.

Skills

Java

Python

C/C++

Security concepts

Web services

OO design principles

SOAP/REST

Software development life cycle

Education

Bachelor's degree + 12–15 years experience

Tools

Eclipse

Visual Studio Code

Visual Studio

WebStorm

Oracle

PostgreSQL

MongoDB

SQL Server

Spring Boot

JPA

EJB

JAX-RS

REST

Jersey

AngularJS

JSON

XML

XSLT

Docker

Kubernetes

OpenShift

JUnit

Mockito

Selenium

Maven

Jenkins

Cryptography

Job description

Leidos in Virginia is seeking a Sr. Software Engineer with an active TS/SCI Polygraph. You will contribute across the SDLC for a large enterprise system, performing design, development, testing, and deployment using Java, Python, C/C++, and web technologies.

You will participate in Agile ceremonies, ensure code quality and automation, and work with security-focused cryptographic and data handling practices. On-site in VA.