Software Engineer 3

Type of Requisition: Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Software Engineering

Job Qualifications:

Skills:

GitLab CI/CD, Git Version Control System, Linux

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

SOFTWARE ENGINEER PRINCIPAL

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
The Software Engineer shall be responsible for implementing access controls and permission mechanisms for securing access to critical HPC system resources through robust permission management, ensuring compliance with the Agency’s security policies and industry standards.

WHAT YOU’LL NEED TO SUCCEED
Bring your engineering expertise along with a drive for innovation to GDIT. The Software Engineer Principal must have:
● Education: Bachelor of Science
● Experience: 8+ years of related experience

● Security clearance level: TS/SCI w/ Polygraph

Position Required Skills

 Experience using the Linux CLI

 Proficiency in scripting (Bash) to automate tasks and processes

 Experience developing software solutions using the Python programming language

 Experience implementing RBAC/ABAC for HPC systems

 Experience with advanced Linux security administration including PAM, SELinux, file permissions, ACLs, and audit logging.

 Experience developing IAM solutions using Keycloak

 Experience implementing identity federation and SSO (SAML, OIDC, OAuth2)

 Experience developing and maintaining secret management integrations using HashiCorp Vault

 Experience developing Ansible playbooks to orchestrate the automation of provisioning HPC hardware and software components

 Experience with containerization technologies such as Docker, PodMan, containerd

 Experience with CI/CD principles, methodologies, and tools including GitLab CI

 Experience with Git Source Control System

Position Desired Skills

 Experience with the Atlassian Tool Suite (JIRA, Confluence)

 Familiar with Agile, Scrum, or Scaled Agile Framework (SAFe) methodologies

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.

#MD_2026Alumni

#IntelligenceEngineered

The likely salary range for this position is $175,950 - $238,050. 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:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA MD Annapolis Junction

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 at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans