Linux Engineer, TS/SCI with Polygraph

Clearance Level
Top Secret SCI + Polygraph
Systems Engineering
Chantilly, Virginia
Onsite Workplace
Key Skills For Success

Linux Environments

Red Hat Ansible

System Administration

REQ#: RQ169523
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

Systems Engineer

Primary responsibilities include providing engineering and administrative support maintaining multiple large Enterprise environments. The supporting infrastructure includes multiple Microsoft based networks spanning multiple security enclaves within a hybrid (Windows & RHEL) operating environment.

Job Responsibilities & Duties:

  • System Engineering duties include management of both physical and VDI based Linux workstations and servers
  • Identify, design, and implement solutions using FOSS, COTS or GOTS products to enhance and meet customer requirements within the operating environment.
  • Troubleshoot user, workstation and application functionality, performance, and incident resolution for Linux based applications
  • Identifies, analyzes, and resolve incidents with both short-term workarounds and long-term solutions
  • Provide remote end user support and remotely work with and train geographically disperse Tier 2 and Tier 3 team members
  • Communicate effectively (in oral and written form) with a variety of individuals and team members in both small and large team environments
  • Willingness to participate in special projects as needed


  • Education: Bachelor’s Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
  • Required Experience: 1+ years of related systems administration experience
  • Candidate must possess an appropriate and current DoD Information Assurance (IA) Certification to be considered for employment; either valid CompTIA Security+ CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)-Security. CompTIA Security+ CE Certification is the preferred certification. In addition, candidate must attain the required DoD 8570 Computing Environment (CE) Training within six (6) months of Hire Date.
  • Security Clearance Level: TS/SCI with Polygraph is required.

Successful candidates are expected to have related experience and knowledge/understanding of:

  • Linux Operating systems as a server or desktop such as Red Hat Enterprise Linux 7/8/9, CentOS 7/8/9/Stream, Scientific Linux, Fedora, Oracle Linux, Rocky Linux, Alma Linux, etc.
  • Integration and experience with Kerberos Authentication concepts and/or Microsoft Active Directory domain joined servers and workstations is a plus (SSSD, WinBind, etc.)
  • Strong understanding of DNS, DHCP and LDAP in a Windows or Linux environment
  • Operating system deployment and Configuration Management via Satellite and/or Ansible Automation Platform
  • Application Troubleshooting such as Firefox, Chrome, Java and/or Citrix based virtual applications such as Outlook, Excel, Word
  • Understanding of SMB/CIFS and NFS file sharing protocols
  • Linux scripting (Python, Perl, Ruby, Bash)
  • Understanding of ServiceNow, NETS or other ticketing systems
  • DoD STIG hardening
  • ITIL v3 or higher

The following knowledge/skill set is not required but is a plus:

  • Gnome desktop environments
  • Ability to create and deploy Ansible roles and playbooks
  • Github or Gitlab
  • Anaconda Kickstart
  • Red Hat Satellite or Foreman/Katello
  • CUPS print server
  • RPM package repositories
  • Demonstrated ability to build an RPM package
  • Windows 10, Server 2012/2016/2019
  • PowerShell
  • Virtualization Environments (VMware, Citrix)
  • Cloud environments (AWS, Azure, Google Cloud)
  • Profile management utilizing the VMware User Experience Management (UEM) toolset
  • Containerization (Docker, Podman)
  • Microsoft Exchange
  • Telephone/Video support
  • Networking
  • Web Proxy Configuration (PAC files, etc.)
  • Dell/EMC Isilon and Netapp storage appliances
  • Experience with monitoring tools like Dynatrace, SCOM, Zabbix or Nagios
  • Familiarity with site specific customer and mission
  • Willingness to travel
  • Location: On Customer Site
  • US Citizenship Required


  • 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

1 + years of related experience

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


Travel Required



U.S. Citizenship Required

About Our Work

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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.