Demo

Software Engineer, Level 3

Independent Software, Inc.
Ellicott, MD Full Time
POSTED ON 5/15/2026
AVAILABLE BEFORE 6/13/2026
What You Will Do

At Independent Software, as a Software Engineer Level 3, you will develop, maintain, and enhance complex software systems supporting mission-critical operations and advanced technical environments. You will work on a wide range of systems including processing-intensive analytics platforms, real-time systems, large-scale data processing applications, and business management systems.

In this role, you will collaborate with engineers, analysts, and mission partners to design, develop, integrate, test, and optimize software solutions based on documented requirements. You will contribute to the full software development lifecycle while helping solve complex technical challenges in secure and dynamic environments.

Key Responsibilities

  • Design, develop, test, and maintain complex software systems and applications
  • Develop software solutions for processing-intensive analytics, large-scale data processing, and real-time operational systems
  • Analyze documented requirements and translate them into functional software components
  • Review and test software components to ensure compliance with design requirements and operational standards
  • Troubleshoot and resolve software defects, bugs, and performance issues
  • Participate in system design activities including hardware/software trade-off analysis and software reuse evaluations
  • Support integration of Commercial Off-the-Shelf (COTS) and Government Off-the-Shelf (GOTS) technologies where appropriate
  • Contribute to requirements analysis and synthesis from system-level requirements to individual software components
  • Collaborate with cross-functional teams to support software integration, testing, deployment, and maintenance
  • Develop and maintain technical documentation, test procedures, and software design artifacts
  • Participate in code reviews and follow established software development methodologies and best practices
  • Support system modernization, optimization, and enhancement initiatives

Required Skills And Qualifications

  • Experience developing software in secure or mission-critical environments
  • Strong understanding of software development methodologies and software design principles
  • Experience developing, testing, and troubleshooting complex software systems
  • Ability to analyze and interpret technical requirements and translate them into software solutions
  • Experience working with large-scale data processing systems, analytics platforms, or real-time systems
  • Knowledge of system integration, software testing, and debugging techniques
  • Understanding of COTS/GOTS integration and software reuse concepts
  • Strong analytical, troubleshooting, and problem-solving skills
  • Ability to work both independently and collaboratively within a team environment
  • Strong written and verbal communication skills

Education And Experience

  • Bachelor’s degree in Computer Science or a related discipline from an accredited college or university is required
  • Four (4) additional years of software engineering experience may be substituted for a bachelor’s degree
  • Minimum of twelve (12) years of experience as a Software Engineer on programs and contracts of similar scope, type, and complexity is required

Clearance Requirement

  • Must possess an active TS SCI with appropriate Polygraph to be considered for this role

Why Choose Independent Software

At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.

When You Join Us, You Will

  • Support critical national security missions that matter
  • Be part of a close-knit, employee-first culture where your voice is heard
  • Expand your skills through ongoing training, mentorship, and career development
  • Enjoy competitive compensation, generous benefits, and work-life balance

Ready to take the next step in your career? Join us and be part of something bigger.

Apply today.

We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

Salary.com Estimation for Software Engineer, Level 3 in Ellicott, MD
$127,886 to $154,075
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