Software Engineer TS / SCI Poly

Description

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. At Leidos , we offer 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 much more. Join us and make a difference in National Security!

Job Summary

The Software Engineer will perform software development activities as a member of an agile development team. You must have an active / current TS / SCI Polygraph up front (this is firm). The development here includes :

Full range of turning agile stories into implementable concepts, through development, testing, and deployment of the new capabilities in this complex system.

Following the BDD pattern, our developers are responsible for implementing robust testing leveraging DEVOPS automation and, where appropriate, use of test automation commercial tools (there are a range of opportunities for server-side business logic implementation as well as client web application and user interface (UI) development).

Java, Python, embedded C / C++, Java cryptographic framework, XML, web UI and special purpose device programming opportunities are available.

Analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques with the use of Computer Aided Software Engineering (CASE) tools and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable.

Provide software process management and control throughout the coding portion of the software development process. Additionally, the individual will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. The individual will engineer, author, tune and document automation scripts in a development environment and deploy to the test / production bench.

Basic Qualifications

Bachelor's degree and four (4) to eight (8) years of prior relevant development experience or master's with two (2) to six (6) years of prior relevant development experience.

Additional experience may be substituted for a Degree.

Must have demonstrated experience with Java.

Experience or familiarity with multiple the following : Java / JEE, Python, C / C++, SQL, SOAP, WSDL, WADL, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, Jenkins on a Windows platforms.

Experience with User Interface development, knowledge of databases and structures, and / or experience working with XHTML, HTML, XML, XSLT

Experience developing on Windows, and / or Linux operating systems

Must have a strong understanding of sound software development principles and practices

Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing.

Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment.

Security Clearance requirement :

Candidates must possess an active TS / SCI with Polygraph up front to be considered for this role. This is firm.

Preferred Qualifications

Experience with the following : JEE, SQL, application servers (Tomcat, WebLogic, JBoss), scripting.

Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.

Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, TDD, Refactoring, and ATDD.

Experience with FITNesse, Mockito, Cucumber, Unified Functional Tester (UFT), Selenium

Experience with Behavior Driven Development (BDD).

Secure Software development (i.e., Layer 7 Policy)

At Leidos , the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you - apply today.

careers.leidos.com / CONMD

CSSKEY

CONMD

abundance

Original Posting : May 27, 2025

For U.S. Positions : While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range :

Pay Range $85,150.00 - $153,925.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.