Sr. Software Engineer TS/SCI Polygraph HANOVER

Via Logic LLC; Hanover (MD); On-site; USD 131,300 - 237,350; Full time

Benefits offered by this job

Paid Time Off

401k with 6% company match

Flexible Schedules

Education and Training Support

Job summary

Via Logic LLC is seeking a Software Engineer for its National Security Sector’s Cyber & Analytics Business Area. This role involves developing and maintaining Java/Spring applications, working with cross-functional teams, and mentoring junior engineers. Candidates must have an active TS/SCI clearance and a background in software engineering with proficiency in modern Java and Spring development.

The ideal applicant has at least 8 years of experience and a strong foundation in database technologies. Competitive benefits include flexible schedules and 401k matching.

Qualifications

• 8+ years of software engineering experience.
• 3+ years of experience in SIGINT, IA, or IT domains.
• Active TS/SCI clearance with Polygraph.

Responsibilities

• Develop, maintain, and enhance Java/Spring applications.
• Collaborate with cross-functional teams and stakeholders.
• Mentor junior engineers and provide technical guidance.

Skills

Java/Spring development

RESTful APIs

SQL and relational database

Linux development environments

Agile methodologies

Education

Bachelor's degree in Computer Engineering or Computer Science

Tools

PostgreSQL

Docker

Kubernetes

JIRA or Redmine

Job description

Software Engineer – National Security Sector’s (NSS) Cyber & Analytics Business Area (CABA)

Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector’s (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

Competitive benefits include 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.

The Software Engineer will support the design, development, testing, deployment, and maintenance of a Data Dictionary capability that provides metadata specification, storage, and access services. This system includes a Java/Spring-based backend, RESTful APIs, and a web-based user interface. The engineer 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, including attributes and valid values
  • 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 up front (no sponsorship available)
• Bachelor’s degree in Computer Engineering, Computer Science, or a related technical field
  • Four (4) additional years of software engineering experience may be substituted for a bachelor’s degree, for a total of twelve (12) years of experience
• Minimum of eight (8) years of software engineering experience
• Minimum of three (3) years of experience in SIGINT, IA, or IT domains
• Minimum of three (3) 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

Pay Range

Pay Range $131,300.00 - $237,350.00

Original Posting

June 11, 2026

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.