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Sr. Software Engineer - Careers at Leidos

Leidos

Sr. Software Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos' Maritime Autonomy Team as a Sr. Software Engineer

Leidos is seeking a Senior Software Engineer to drive innovation in maritime autonomy projects. Based in Arlington, VA, you'll immerse yourself in every phase of the software development lifecycle—from design and coding to testing, deployment, and automation—in a dynamic Agile SAFe environment. Partner with a proven development team and stakeholders to deliver mission-critical solutions that maintain our reputation for excellence.

Primary Responsibilities

  • Analyze, design, code, and enhance C++ software for Linux-based systems, focusing on new features and optimizations.
  • Implement and rigorously test software using protocols like TCP/IP, UDP, and DDS for seamless interface communications.
  • Collaborate across teams to ensure smooth software deployments, integrations, and ongoing support.
  • Automate testing and deployment processes to accelerate delivery.
  • Maintain comprehensive documentation for all developed systems and architectures.

Basic Qualifications

  • US Citizenship with eligibility for SECRET clearance.
  • Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or related field + 8+ years relevant experience (or Master’s + 6+ years; equivalent experience considered).
  • Proven expertise in C++ development.
  • Hands-on experience troubleshooting with Jira, Confluence, Bamboo, Jenkins, and Linux environments.

Preferred Qualifications

  • Deep knowledge of TCP/IP, UDP, DDS, and integration with frameworks like RTI DDS.
  • Advanced Linux OS proficiency and multi-language experience (Java, Python).
  • Expertise in virtualization (VMware, KVM), Docker, and Kubernetes (RKE2) for containerization and automation.

Why Leidos?

At Leidos, we outthink, outbuild, and outpace the competition. This isn't a role for the complacent—it's for disruptors who thrive on complex challenges in defense and autonomy. Enjoy a competitive salary range of $107,900 - $195,050, comprehensive benefits, and growth opportunities. US positions remain open at least 3 days from posting. Apply now to shape the future of maritime technology.

Locations

  • Arlington, Virginia, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • C++ software developmentintermediate
  • Linux programmingintermediate
  • TCP/IP, UDP, DDS protocolsintermediate
  • Jira, Confluence, Bamboo, Jenkinsintermediate
  • Docker, Kubernetes (RKE2)intermediate
  • Java, Pythonintermediate
  • Virtualization (VMware, KVM)intermediate

Required Qualifications

  • US Citizen with ability to obtain SECRET clearance (experience)
  • Bachelor’s degree in Computer Science/IT/Network Engineering + 8+ years experience or Master’s + 6+ years (experience)
  • Strong C++ development experience (experience)
  • Linux troubleshooting expertise (experience)
  • Agile SAFe environment experience (experience)

Responsibilities

  • Analyze, design, code, and update C++ software for Linux systems
  • Implement new features and performance improvements
  • Test and automate software solutions
  • Collaborate on deployments and integrations with cross-functional teams
  • Document developed systems and interfaces

Benefits

  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) retirement savings with company match
  • general: Paid time off and flexible work options
  • general: Professional development and tuition reimbursement
  • general: Employee stock purchase plan and performance bonuses

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Leidos logo

Sr. Software Engineer - Careers at Leidos

Leidos

Sr. Software Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos' Maritime Autonomy Team as a Sr. Software Engineer

Leidos is seeking a Senior Software Engineer to drive innovation in maritime autonomy projects. Based in Arlington, VA, you'll immerse yourself in every phase of the software development lifecycle—from design and coding to testing, deployment, and automation—in a dynamic Agile SAFe environment. Partner with a proven development team and stakeholders to deliver mission-critical solutions that maintain our reputation for excellence.

Primary Responsibilities

  • Analyze, design, code, and enhance C++ software for Linux-based systems, focusing on new features and optimizations.
  • Implement and rigorously test software using protocols like TCP/IP, UDP, and DDS for seamless interface communications.
  • Collaborate across teams to ensure smooth software deployments, integrations, and ongoing support.
  • Automate testing and deployment processes to accelerate delivery.
  • Maintain comprehensive documentation for all developed systems and architectures.

Basic Qualifications

  • US Citizenship with eligibility for SECRET clearance.
  • Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or related field + 8+ years relevant experience (or Master’s + 6+ years; equivalent experience considered).
  • Proven expertise in C++ development.
  • Hands-on experience troubleshooting with Jira, Confluence, Bamboo, Jenkins, and Linux environments.

Preferred Qualifications

  • Deep knowledge of TCP/IP, UDP, DDS, and integration with frameworks like RTI DDS.
  • Advanced Linux OS proficiency and multi-language experience (Java, Python).
  • Expertise in virtualization (VMware, KVM), Docker, and Kubernetes (RKE2) for containerization and automation.

Why Leidos?

At Leidos, we outthink, outbuild, and outpace the competition. This isn't a role for the complacent—it's for disruptors who thrive on complex challenges in defense and autonomy. Enjoy a competitive salary range of $107,900 - $195,050, comprehensive benefits, and growth opportunities. US positions remain open at least 3 days from posting. Apply now to shape the future of maritime technology.

Locations

  • Arlington, Virginia, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • C++ software developmentintermediate
  • Linux programmingintermediate
  • TCP/IP, UDP, DDS protocolsintermediate
  • Jira, Confluence, Bamboo, Jenkinsintermediate
  • Docker, Kubernetes (RKE2)intermediate
  • Java, Pythonintermediate
  • Virtualization (VMware, KVM)intermediate

Required Qualifications

  • US Citizen with ability to obtain SECRET clearance (experience)
  • Bachelor’s degree in Computer Science/IT/Network Engineering + 8+ years experience or Master’s + 6+ years (experience)
  • Strong C++ development experience (experience)
  • Linux troubleshooting expertise (experience)
  • Agile SAFe environment experience (experience)

Responsibilities

  • Analyze, design, code, and update C++ software for Linux systems
  • Implement new features and performance improvements
  • Test and automate software solutions
  • Collaborate on deployments and integrations with cross-functional teams
  • Document developed systems and interfaces

Benefits

  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) retirement savings with company match
  • general: Paid time off and flexible work options
  • general: Professional development and tuition reimbursement
  • general: Employee stock purchase plan and performance bonuses

Target Your Resume for "Sr. Software Engineer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Sr. Software Engineer - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Sr. Software Engineer - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Arlington VALeidos CareersSoftware Engineering United StatesDefense Tech JobsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Sr. Software Engineer - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.