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Software Systems Engineer - Careers at Leidos

Leidos

Software Systems Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Software Systems Engineer in Huntsville, AL

Leidos is seeking a talented Software Systems Engineer to join our multi-disciplinary team in Huntsville, AL, delivering innovative solutions for missile defense systems. As a leader in defense, space, cyber, and commercial fields, Leidos provides responsive, cost-effective engineering, scientific, and IT solutions across the United States.

Key Responsibilities

  • Develop and maintain a clear understanding of overall system interdependencies and interfaces.
  • Derive software requirements and use cases with full traceability to system requirements.
  • Drive definition of desired software functionality to meet System of Systems needs.
  • Leverage Model-Based Systems Engineering (MBSE) methodologies to create deliverables and ensure traceability.
  • Collaborate with multi-disciplinary teams and external stakeholders throughout the software lifecycle.
  • Maintain SysML software models using Cameo Systems Modeler.

Basic Qualifications

  • Bachelor’s degree in Systems Engineering, Software Engineering, Computer Science, Computer Engineering, or equivalent from an ABET-accredited university with 4-8 years relevant experience (or MS with 2-6 years).
  • Demonstrated expertise in top-down systems engineering and bottoms-up verification.
  • Experience deriving software requirements, defining interfaces, and collaborating in Agile environments.
  • Proficiency with tools like DOORS or Cameo Systems Modeler.
  • US Citizenship with Final Secret Clearance or eligibility to obtain/maintain.

Preferred Qualifications

  • Hands-on experience with MBSE and SysML in Cameo Systems Modeler.
  • Knowledge of DoD acquisition processes.
  • Full software lifecycle experience.
  • Local to North Alabama or willing to relocate.

Why Leidos?

At Leidos, we outthink, outbuild, and outpace the status quo. We're recruiting disruptors who refuse to fail. Pay range: $87,100 - $157,450 USD annually, based on experience and qualifications. This full-time mid-level role offers growth in a dynamic defense environment.

Locations

  • Huntsville, Alabama, United States

Salary

87,100 - 157,450 USD / yearly

Estimated Salary Rangehigh confidence

87,100 - 157,450 USD / yearly

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

Skills Required

  • Systems Engineeringintermediate
  • Software Requirements Derivationintermediate
  • Model-Based Systems Engineering (MBSE)intermediate
  • SysML Modelingintermediate
  • Cameo Systems Modelerintermediate
  • DOORS Requirements Managementintermediate
  • Agile Methodologiesintermediate
  • Missile Defense Systemsintermediate

Required Qualifications

  • Bachelor’s degree in Systems Engineering, Software Engineering, Computer Science, or equivalent with 4-8 years experience or MS with 2-6 years (experience)
  • US Citizen with active Secret Clearance or eligibility (experience)
  • Experience in top-down systems engineering and bottoms-up verification (experience)
  • Proficient in requirement database tools like DOORS or Cameo (experience)
  • Strong collaboration in multi-disciplinary teams (experience)

Responsibilities

  • Develop and maintain understanding of system interdependencies and interfaces
  • Derive software requirements and use cases with traceability
  • Drive definition of software functionality for System of Systems needs
  • Utilize MBSE methodologies for deliverables and traceability
  • Support software lifecycle engineering including verification
  • Communicate with internal and external stakeholders
  • Maintain SysML software models in Cameo Systems Modeler

Benefits

  • general: Competitive salary range $87,100 - $157,450
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and tuition reimbursement
  • general: Relocation assistance for Huntsville area
  • general: Flexible work options and paid time off

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Leidos logo

Software Systems Engineer - Careers at Leidos

Leidos

Software Systems Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Software Systems Engineer in Huntsville, AL

Leidos is seeking a talented Software Systems Engineer to join our multi-disciplinary team in Huntsville, AL, delivering innovative solutions for missile defense systems. As a leader in defense, space, cyber, and commercial fields, Leidos provides responsive, cost-effective engineering, scientific, and IT solutions across the United States.

Key Responsibilities

  • Develop and maintain a clear understanding of overall system interdependencies and interfaces.
  • Derive software requirements and use cases with full traceability to system requirements.
  • Drive definition of desired software functionality to meet System of Systems needs.
  • Leverage Model-Based Systems Engineering (MBSE) methodologies to create deliverables and ensure traceability.
  • Collaborate with multi-disciplinary teams and external stakeholders throughout the software lifecycle.
  • Maintain SysML software models using Cameo Systems Modeler.

Basic Qualifications

  • Bachelor’s degree in Systems Engineering, Software Engineering, Computer Science, Computer Engineering, or equivalent from an ABET-accredited university with 4-8 years relevant experience (or MS with 2-6 years).
  • Demonstrated expertise in top-down systems engineering and bottoms-up verification.
  • Experience deriving software requirements, defining interfaces, and collaborating in Agile environments.
  • Proficiency with tools like DOORS or Cameo Systems Modeler.
  • US Citizenship with Final Secret Clearance or eligibility to obtain/maintain.

Preferred Qualifications

  • Hands-on experience with MBSE and SysML in Cameo Systems Modeler.
  • Knowledge of DoD acquisition processes.
  • Full software lifecycle experience.
  • Local to North Alabama or willing to relocate.

Why Leidos?

At Leidos, we outthink, outbuild, and outpace the status quo. We're recruiting disruptors who refuse to fail. Pay range: $87,100 - $157,450 USD annually, based on experience and qualifications. This full-time mid-level role offers growth in a dynamic defense environment.

Locations

  • Huntsville, Alabama, United States

Salary

87,100 - 157,450 USD / yearly

Estimated Salary Rangehigh confidence

87,100 - 157,450 USD / yearly

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

Skills Required

  • Systems Engineeringintermediate
  • Software Requirements Derivationintermediate
  • Model-Based Systems Engineering (MBSE)intermediate
  • SysML Modelingintermediate
  • Cameo Systems Modelerintermediate
  • DOORS Requirements Managementintermediate
  • Agile Methodologiesintermediate
  • Missile Defense Systemsintermediate

Required Qualifications

  • Bachelor’s degree in Systems Engineering, Software Engineering, Computer Science, or equivalent with 4-8 years experience or MS with 2-6 years (experience)
  • US Citizen with active Secret Clearance or eligibility (experience)
  • Experience in top-down systems engineering and bottoms-up verification (experience)
  • Proficient in requirement database tools like DOORS or Cameo (experience)
  • Strong collaboration in multi-disciplinary teams (experience)

Responsibilities

  • Develop and maintain understanding of system interdependencies and interfaces
  • Derive software requirements and use cases with traceability
  • Drive definition of software functionality for System of Systems needs
  • Utilize MBSE methodologies for deliverables and traceability
  • Support software lifecycle engineering including verification
  • Communicate with internal and external stakeholders
  • Maintain SysML software models in Cameo Systems Modeler

Benefits

  • general: Competitive salary range $87,100 - $157,450
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and tuition reimbursement
  • general: Relocation assistance for Huntsville area
  • general: Flexible work options and paid time off

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

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

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

Check Your ATS Score for "Software Systems 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 Huntsville ALLeidos CareersDefense EngineeringMBSE RolesHiring United StatesEngineeringInformation TechnologySecurity

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

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.