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Job Details

Senior Software Engineer


Software Engineer


Chantilly, Virginia, United States


Join us at Leidos, where your most important work is ahead! You will enjoy great benefits such as paid time off (PTO), flexible schedules, discounted stock purchase plans, career growth, unlimited education and training support, parental paid leave and more! You will have the opportunity to work under the best leadership in the industry at all levels; where supporting their employees and what they do … is what matters.

Leidos is looking for a Senior Software Engineer who enjoys working individually and in a collaborative team-focused environment. The candidate will prototype, design, develop and integrate unique solutions to hard problems. The candidate will be responsible for leading parts of software development efforts through all aspects of the software engineering life cycle including scope and work estimation, design, documentation, implementation, testing and integration. The candidate will assist in determining and recommending the best designs based on customer business objectives, timelines and other resource constraints. Must be dynamic, innovative, and a self-starting problem solver with the aptitude and attitude to tackle unsolved technical challenges.

The Senior Software Engineer will:

  • Interact with software system engineers and technical team leads to rapidly learn a complex operational system, its subsystems, and components to positively contribute to development
  • Determine and communicate system requirements and capabilities in furtherance of the customer’s mission
  • Design, develop and document modular, readable, and maintainable solutions to hard problems
  • Champion and implement advanced software development practices in an Agile environment
  • Recommend and lead changes to development and systems integration that will increase efficiency and development effectiveness

Required Qualifications:

  • Degree in Computer Science, Electrical Engineering, Computer Engineering, or related field and 12+ years of experience. Additional experience in lieu of degree.
  • 10+ years of experience independently designing and implementing medium to large-sized software systems and components
  • Experience with back-end development
  • Ability to develop across the full stack of system development
  • Ability to setup, configure and use DevOps tools including continuous integration, unit testing, source repos, etc.
  • 5+ years of experience developing in C#
  • 5+ years of verifiable experience creating software with two or more of the following technologies:
    • Python
    • Java,
    • JavaScript,
    • JQuery,
    • Angular or similar frameworks
  • Familiarity with Ansible scripting
  • Ability to learn new languages and toolchains as the solution space requires
  • Ability to communicate effectively in both oral and written media to describe the strengths and weaknesses of software designs and the implementations of those designs
  • Knowledge of Linux operating system (centOS or Ubuntu desired)
  • Proven experience in solving challenging technical problems

Desired Qualifications:

  • Experience developing with GWT (Google Web Toolkit)
  • Ability to create and read Bash scripts
  • Experience with PKI and SSL from the programmer’s perspective
  • Experience with Agile development methodologies

Pay Range:

Pay Range $122,200.00 - $220,900.00

The Leidos pay range for this job level is a general guideline only and 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.

Original Posting Date:


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.