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GD Information Technology, Inc.

Principal Software Engineer

United States

The likely salary range for this position is $128,039 - $173,229.

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Job details

Pay: The likely salary range for this position is $128,039 - $173,229.
Experience: Experience: 10+ years of related experience
Posting language: English
Posted: Nov 9, 2026

Original job description

Type of Requisition:

Pipeline

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

Software Engineering

Job Qualifications:

Skills:

Jenkins (Software), Programming Languages, Software Engineering, Software SolutionsCertifications:

NoneExperience:

8 + years of related experienceUS Citizenship Required:

Yes

Job Description:

Transform technology into opportunity as a Software Engineer Principal at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Software Engineer Principal, the work you’ll do at GDIT will be impactful to the mission of the Air Force.

Leading the implementation and management of DevSecOps practices across multiple projects and teams to ensure seamless integration of development, security, and operations processes.
Designing, implementing, and maintaining highly automated and secure CI/CD pipelines, incorporating advanced security testing and validation techniques.

WHAT YOU’LL NEED TO SUCCEED

Bring your engineering expertise along with a drive for innovation to GDIT. The Software Engineer Principal must have experience with:

Providing technical leadership and guidance to cross-functional teams (including developers, security engineers, and operations staff) on secure system design, deployment, and operation. This includes mentoring junior engineers and fostering a culture of security awareness.
Architecting, implementing, and managing secure and highly available infrastructure, both cloud-based and on-premises, with a focus on automation and scalability. This includes designing infrastructure-as-code solutions and implementing robust monitoring and alerting systems.
Leading security assessments, penetration testing, and vulnerability remediation efforts, including developing and implementing security policies and procedures. Experience should include conducting threat modeling and risk assessments.
Developing and maintaining comprehensive documentation for systems, processes, and procedures, and contributing to knowledge sharing and training initiatives. This includes creating architectural diagrams, security documentation, and operational runbooks.
Experience in conducting Proof of Concepts (POC) to evaluate new DevSecOps tools and technologies and make recommendations for adoption.
Experience leading incident response and root cause analysis efforts, with a focus on identifying and mitigating security vulnerabilities.
Experience in developing and delivering DevSecOps training programs.

WHAT YOU WILL NEED TO SUCCEED

Education: Bachelor of Arts/Bachelor of Science in Computer Science or related field
Preferred Master's degree in Computer Science or related field
Experience: 10+ years of related experience
Must have an active TS SCI clearance
Expert-level proficiency in CI/CD tools and pipelines (e.g., Jenkins, GitLab CI, CircleCI, Azure DevOps), including advanced configuration, scripting, and customization.
Expertise in configuration management and automation tools (e.g., Ansible, Puppet, Chef, Terraform), including designing and implementing complex infrastructure-as-code solutions.
Understanding and extensive experience with containerization and orchestration technologies (e.g., Docker, Kubernetes, Docker Swarm), including designing and managing containerized applications at scale.
Sr level knowledge of cloud platforms and services (e.g., AWS, Azure, Google Cloud), including designing and implementing secure and scalable cloud architectures. Experience should include cost optimization and resource management.
Mastery of scripting and programming languages (e.g., Python, Bash, Go, Java), with the ability to develop custom tools and automation scripts.
In-depth knowledge of security best practices and tools (e.g., OWASP, Nessus, Burp Suite, Splunk, SIEM solutions), including experience with threat intelligence and security monitoring.
Understanding of networking concepts and protocols, including TCP/IP, DNS, HTTP, and TLS.
Experience with security compliance frameworks and standards (e.g., NIST, CIS, ISO 27001, SOC 2).
Experience with static and dynamic code analysis tools.
Experience with reverse engineering and malware analysis (preferred).
Active participation in the security community (e.g., contributing to open-source projects, presenting at conferences, publishing research

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.

#GDITPriority

The likely salary range for this position is $128,039 - $173,229. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

Travel Required:

Less than 10%

Telecommuting Options:

Hybrid

Work Location:

USA TX San Antonio

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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