Senior Ruby On Rails Software Engineer - Ts/Sci With Poly

Leidos Holdings Inc. Chantilly , VA 22022

Posted 2 weeks ago


Job Description:

Seeking Software Engineer to analyze user needs, develop software solutions, and have in-depth knowledge of analysis process, analytical databases, deployment hosting methodologies, web hosting, internet communications tools and platforms, to develop the analytical solutions.

The candidate will have an in-depth software engineering knowledge to write code that successfully manipulates data. The candidate will demonstrate experience in working with MySQL, Ruby on Rails - Linux platform, web-based development, shell, Perl, python, SharePoint, Arc Sight and Adobe Insight products. The candidate will demonstrate experience in developing codes, tests, and debug software, which includes data optimization and formats but are not limited to, specified data filtering, data alignment and correlation of specified data types and other information. The work required shall consist of, but not be limited to, the following tasks:

  • Write scripts and profiles for GOTS and COTS analytical applications

  • Build complex profits, align tools, and tailor databases and applications, which successfully process extremely large data repositories

  • Provide quick-response tailoring to software by writing scripts

  • Design and customize software for analytical use to optimize analytical efficiency and streamline the workflow

  • Develop and write computer applications to store, locate, and retrieve specific document's, data, and information

  • Maintain updates and enhance software products

  • Document code changes or revisions by using version control and revision logs descriptions

  • Optimize actions by recognizing where it is necessary and expected to work with other team members and across groups to improve success

  • Evaluate existing software products and makes on-going improvements to the analytical toolbox

  • Coordinate with the Gov POC and other team members to ensure problem solution, appropriate risk reduction, and user satisfaction

  • Update applications, databases and tools for customers with changing demands

  • Conduct testing for programs and software applications to be sure they will produce the desired information and that the instructions are correct

  • Write, update, and maintain programs or software packages to handle specific jobs related to analysis of large data sets

  • Consult with managerial and technical personnel to clarify program intent, identify problems, and suggest changes

  • Collaborate with other technical resources and customers to select appropriate design solutions and to ensure the compatibility with system

  • Design valid user-criteria testing, prior to production release of software

Required Skills

  • Bachelor's Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field and 12+ years' experience; additional experience in lieu of degree.

  • 8+ years of experience web based development

  • Proficient using Ruby on Rails

  • Proficient in MySQL administration

  • Proficient in the following languages: shell, Perl, and Python

  • Experience in Linux operating systems and platforms

  • Familiarity with SharePoint

  • Experience with Arc Sign and Adobe Insight Products

  • Familiarity with Agile development

Security Clearance Requirement

  • An active TS/SCI with a polygraph is required for this position.

Desired Skills

  • Familiarity with Jira

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret/SCI with Polygraph



Scheduled Weekly Hours:




Requisition Category:


Job Family:

Software Development


Leidos is a Fortune 500 information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

Commitment to Diversity

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.

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Senior Ruby On Rails Software Engineer - Ts/Sci With Poly

Leidos Holdings Inc.