Senior Software Engineer

Senior Software Engineer


Category: Software Development/ Engineering

Main location: United States, Maryland, Aberdeen

Position ID:J0726-0842


Employment Type: Full Time


Position Description:


CGI Federal is seeking a Senior Software Engineer responsible for designing, developing, testing, and installing advanced software solutions that support a Next Generation Command and Control (NGC2) program for the US Army. This role builds innovative, high quality, and fully performing software in compliance with DoD coding standards, security requirements, and technical designs. The Senior Software Engineer develops and modifies software applications, supports software integrations, participates in formal test reviews, and plays a key role in certifying mission critical software components. This position is ideal for an experienced engineer who thrives in complex defense environments and excels at delivering robust, secure, and maintainable software capabilities.


This position is located in Aberdeen, MD.

Your future duties and responsibilities:


Software Design & Development
. Design, develop, and implement software applications supporting modernization requirements
. Modify, enhance, and debug software based on technical designs and evolving system needs
. Develop high quality code that meets Defense coding standards, cybersecurity requirements, and best practices
Application Support & Installation
. Support installation and configuration of software applications and operating systems
. Assist in software deployment, integration, and troubleshooting during system fielding and testing
. Collaborate with system administrators and IT personnel to ensure seamless software operation
Testing & Certification Activities
. Participate in test reviews, test planning, and integration events
. Support witnessing and verification of software tests
. Contribute to software certification processes and documentation packages
Technical Problem Solving & Debugging
. Identify, analyze, and resolve complex software issues
. Conduct root cause analyses and implement corrective actions
. Assist in evaluating system behavior to improve performance and stability
Collaboration & Cross Functional Support
. Work with systems engineers, hardware engineers, cybersecurity teams, and testers
. Interpret technical requirements and translate them into actionable software tasks
. Provide technical expertise for design reviews, code reviews, and program discussions
Documentation & Compliance
. Maintain accurate documentation of software changes, designs, and test results
. Ensure compliance with Defense standards, software engineering practices, and quality assurance processes
. Contribute to user guides, release notes, and technical documentation as needed

Required qualifications to be successful in this role:


Education
. BA/BS degree from an accredited college or university in Computer Science, Information Systems, Software Engineering, Computer Programming, or related field
. Substitution options:
- One academic year of accredited coursework in a related degree may substitute for one year of experience
- An additional 3 years of experience may substitute for the degree requirement
Experience
. 10+ years of experience as a software engineer in a Defense environment
. Experience designing, developing, testing, and maintaining software for complex systems
. Hands on experience with software programming languages, frameworks, and development tools
Technical Skills
. Strong proficiency in software development languages (e.g., C++, Java, Python, C#, etc.)
. Experience with secure coding practices and Defense software standards
. Familiarity with software testing, debugging, and verification methodologies
. Experience supporting software installations, system integrations, and operational deployments
Work Style & Capabilities
. Strong analytical and problem solving abilities
. Ability to work effectively across engineering, testing, and cybersecurity teams
. Excellent communication skills for contributing to reviews and producing technical documentation
. Ability to manage multiple tasks in a fast paced development environment
Desired qualifications/non essential skills required:
Advanced Skills & Experience
. Experience with embedded systems, real time applications, or tactical communications software
. Familiarity with model based engineering or DevSecOps environments
. Experience using version control systems (Git, SVN), CI/CD pipelines, or automated testing tools
Certifications
. DoD 8570/8140 cybersecurity certification (Security+, CEH, etc.)
. Software engineering certifications or vendor specific credentials
. Agile/Scrum certification
Additional Skills
. Experience supporting code reviews, architecture discussions, or modernization efforts
. Ability to design modular, scalable, and maintainable software architectures
. Knowledge of scripting or automation tools supporting software operations

CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
. Competitive compensation
. Comprehensive insurance options
. Matching contributions through the 401(k) plan and the share purchase plan
. Paid time off for vacation, holidays, and sick time
. Paid parental leave
. Learning opportunities and tuition assistance
. Wellness and Well being programs


CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $89,600.00 $198,400.00.
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Skills:

• Application Deployment
• Application Design
• Computer Vision
• Defense
• Military

What you can expect from us:

Together, as owners, let's turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because...


You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.

Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.


Come join our team-one of the largest IT and business consulting services firms in the world.

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at View email address on click.appcast.io. You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.

We make it easy to translate military experience and skills! Click here to be directed to our site that is dedicated to veterans and transitioning service members.

All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information.