PRINCIPAL ARCHITECT - LINUX - Active Top Secret and SCI Eligibility Required

Clearance Level
Top Secret/SCI
Systems Engineering
Washington, District of Columbia
Hybrid Workplace
Key Skills For Success

Red Hat Enterprise Linux (RHEL)

Systems Architecture

Systems Engineering

Systems Management

REQ#: RQ148684
Requisition Type: Regular
Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

Principal Architect - Linux 

Seize your opportunity to make a personal impact as a Principal Architect for Linux with GDIT. A career in systems engineering means designing and implementing the systems that matter most. You will ensure that Linux site design, architecture, and certificate services are functioning properly and securely across the enterprise. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate. 

At GDIT, people are our differentiator. As a Principal Architect for Linux, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Principal Architect for Linux joining our team to bring professionalism and initiative to a fast-paced environment that offers extensive options for training, certification, and career advancement. When we succeed, you succeed and together our best becomes better. 


  • Act as lead architect within a team of technical leads to create advanced Linux architectures and designs so they integrate seamlessly with the current Linux and Windows environment. 

  • Enterprise Authorization: Integrate Linux Systems (currently, RHEL 7/8 and Ubuntu systems) into a primary Windows environment (workstations & servers) where authentication, authorization, and accounting actives are controlled by Active Directory with PKI certificates and Single Sign On. 

  • Enterprise Provisioning: Configure new Linux systems for customer use and ensuring that initial configurations meet required enterprise baselines & controls (e.g., proper agents installed, proper configs, etc.) 

  • Integrate Linux systems with other enterprise tooling (e.g., ACAS, Splunk, SolarWinds, Backup systems, etc.) 

Required Skills 

  • Education:  MS in Computer Engineering, Computer Science or related technology field. Experience may be substituted for education. 

  • Required Experience: Minimum 10 years of relevant experience supporting projects of similar size, scope and complexity. 

  • Required Technical Experience:  Thorough experience preferably with Red Hat Enterprise Linux (RHEL), Ubuntu or a derivative. Candidate will be required to acquire DoD Instruction 8570 Level II Certification within 6 months of assignment. 

  • Security Clearance Level: Active Top Secret with SCI eligibility and a T5 or T5R within the last 5 years 

  • Required Skills and Abilities: Highly motivated, self-starter; ability to work alone (90% of work is individual); heavy research and development when necessary. 

  • Location: Washington, District of Columbia; limited telework may be available 


  • 401K with company match 

  • Comprehensive health and wellness packages 

  • Internal mobility team dedicated to helping you own your career 

  • Professional growth opportunities including paid education and certifications 

  • Cutting-edge technology you can learn from  

  • Rest and recharge with paid vacation and holidays  






Work Requirements
Years of Experience

10 + years of related experience

* may vary based on technical training, certification(s), or degree


CompTIA - Security+ CE - CompTIA

Travel Required

Less than 10%


U.S. Citizenship Required

About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.