Tier II Linux Administrator - TS/SCI with Polygraph
Gdit
Seize your opportunity to make a personal impact as a Tier II Linux Administrator supporting our intelligence customer. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator. As an Systems Administrator, you will help ensure today is safe and tomorrow is smarter. Our work depends on a TS/SCI cleared professional joining our team to support an intelligence customer in Springfield, VA. General Dynamics Information Technology (GDIT) is seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor or Red Hat Enterprise Linux (RHEL) experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a competitive salary and generous health and personal benefits, the IT Engineer will enhance their skill set among a talented and technically accomplished group of colleagues. Primary responsibilities include providing Tier II 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 Administrative Advisory duties to include management of both physical and VDI based Windows and Linux workstations Troubleshoot user, workstation, and application functionality, performance and incident resolution for both Linux and Windows based applications Identify, analyze, and resolve incidents with both short-term workarounds and long-term solutions Provide remote end user support and remotely work with geographically dispersed 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
WHAT YOU’LL NEED TO SUCCEED
Bachelors Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. 8+ years of related systems administration experience TS/SCI with Polygraph is required. 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. Successful candidates are expected to have related experience and knowledge/understanding of Active Directory Administration DNS, DHCP, DFS, LDAP in a Windows or Linux environment Windows 10, Server 2012, Server 2016 Application Troubleshooting such as Outlook, Excel, Word, JAVA, Internet Explorer, Firefox Linux Operating system as a server or desktop (RHEL 6/7/8, CentOS 6/7/Stream, Scientific Linux 6/7, Fedora) Understanding of Samba and NFS file sharing protocols Understanding of ServiceNow, NETS or other ticketing process ITIL v3 or higher The following knowledge/skill set is not required but is a plus Microsoft System Center Configuration Manager PowerShell Virtualization Environments (VMware, Citrix) Profile management utilizing the VMware User Experience Management (UEM) toolset Microsoft Exchange Telephone/Video support Networking Familiarity with site specific customer and mission Linux scripting (Python, Perl, Ruby, Bash) Gnome and KDE desktop environments Puppet or Ansible experience Linux Kickstart Red Hat Satellite or Foreman/Katello Dell/EMC Isilon and Netapp storage appliances Experience with monitoring tools like SCOM, Zabbix or Nagios DoD STIG hardening Containerization (Docker, Podman) Cloud environments (AWS, Azure, Google Cloud) Location: On Customer Site US Citizenship Required #J-18808-Ljbffr General Dynamics Information Technology- ...Intelligence Agency contract. The role includes Tier II administration across Windows and Linux environments on a large enterprise scale, with emphasis on AD, DNS, DHCP and encryption standards. Candidate must have TS/SCI with Polygraph and DoD 8570 CE training within six...SuggestedContract work
- ...highly skilled IT Engineer with strong experience in Linux system administration and strong competency... ...Systems to provide Tier 2 support for a large Federal... ...capabilities. Active TS/SCI with Polygraph clearance. Current DoD 8570 IAT Level II Certification (e.g.,...SuggestedWork at officeRemote work
- General Dynamics Information Technology (GDIT) is seeking a Tier II Linux Administrator to support our intelligence customer in Springfield, VA... ...hybrid Windows and Linux setup. Candidates should have TS/SCI with Polygraph and DoD 8570 CE training, plus 8+ years of related...Suggested
$73.45k - $132.78k
...opportunity for a Systems Administrator in our INTEL SECTOR- Cyber... ...Off, 11 paid Holidays, 401K with a 6% company match and immediate... ..., LANs, & cabling, Windows/Linux operating systems, VMware,... ...Required: Must have TS/SCI with Polygraph.Preferred Qualifications:Experience...SuggestedFull timeWork at officeLocal areaImmediate startRemote workFlexible hours- TITLE: Systems Administrator (SA) LOCATION: McLean, VA CLEARANCE REQUIRED: Active DoD TS/SCI with CI Polygraph EMPLOYMENT TYPE: Full-time, On-site POSITION... ...control implementation on Linux and/or Windows platforms.... .... DoD 8570 IAT Level II/III certification (e.g., Security+...SuggestedFull timeFor contractors
$112.2k - $196.4k
...world of possibilities, pursue one with endless opportunities. Imagine... ...Job Description:Are you a skilled Linux Systems Administrator looking to work on mission-critical... ..., you will need:Clearance: Active TS/SCI clearance with Polygraph is required.Education: Bachelor’s...Full timeRemote work- ...Systems Operations Center Administrator, providing Tier 1 support to customers... ...customer issues are resolved with professionalism and... ...Qualifications • Active TS/SCI clearance with polygraph. • Education... ...Experience with Windows and Linux system administration....Flexible hours
- ...leading technology services provider is seeking an experienced Linux-focused System Administrator for an onsite position in Washington, DC. The role requires an active TS/SCI clearance with Full Scope Polygraph. Responsibilities include maintaining a complex Linux-based...
- Constellation Technologies, Inc is seeking a Senior IT Systems Administrator with a TS/SCI clearance and active polygraph. The role supports federal contract requirements... .... Eligible candidates must be US citizens with Linux administration, networking basics, SSH, and...Contract work
- Kroll is seeking a skilled Linux-focused System Administrator (Level 2) for an on-site role at Fort Meade, MD. This mission-critical... ...within the Intelligence Community requires a TS/SCI clearance with an active Full Scope Polygraph. Your responsibilities will include...
- ...Business Consulting in College Park, MD seeks a Systems Administrator with an active TS/SCI clearance and current polygraph to support complex programs. The role involves... ...ensuring responsive user support across Windows, Linux, Unix environments. Responsibilities include...
- Leidos is seeking a Systems Administrator to support a large, highly distributed environment... ...network environment. You will work with an agile team using SAFe methodology,... ...call duties and travel requirements. A TS/SCI with Polygraph clearance is required. #J-18808-Ljbffr...
- Systems Administrator - (Active TS/SCI security clearance with a current polygraph ) College Park, United States | Posted on 08/11/2026 Fifteen (15) years of experience... ...Experience with multiple operating systems (Windows, Linux, Unix) Experience with Ubuntu Familiar with...
$97.75k - $132.25k
...Top Secret/SCI Clearance Level... ...Top Secret SCI + Polygraph Public Trust/Other... ..., System Administration Certifications... ...Administrator, providing Tier 1 support to... ...are resolved with professionalism... ...• Active TS/SCI clearance with... ...with Windows and Linux system...Full timeTemporary workImmediate startRemote workWorldwideFlexible hours- ...opportunity a Network Computer Systems Administrator with GDIT. A career in enterprise IT means... ...Assurance Technical (lAT) Level II role & Cisco Certified Network Associate... ...~ Security Clearance Level: Active TS/SCI with Polygraph ~ Location: 100% On-Site required...Remote work
- ...personal impact as a Database Administrator (DBA) supporting customer... ...provide the client with necessary timeliness, accuracy... ...User level experience with Linux and a strong grasp of SQL.... ...Security Clearance Level : TS/SCI with Polygraph Desired skills: Experience...Work experience placement
$113k - $188.4k
...by our industry depth to collaborate with leading solution providers and leverage... ...integrity requirementsAutomate routine administration tasks, maintain technical... ...now or at any time in the futureActive TS/SCI with Polygraph security clearance requiredAbility to...Local area- ...seeking a highly experienced Senior RHEL Administrator to provide enterprise-level administration... ...security, and support for mission-critical Linux environments. The role requires active TS/SCI clearance and US citizenship, with the work performed onsite in a secure government...
- ...looking to hire a Systems Administrator / Help Desk Engineer... ...must have an active TS/SCI security clearance... ...expertise across Linux and Windows systems,... ...in compliance with DoD STIGs. Monitor and... ...Counterintelligence (CI) Polygraph DoD 8570 IAT Level II or III certification...Day shiftAfternoon shift
- ManTech seeks a motivated Linux System Administrator to join our Laurel, MD team, delivering enterprise infrastructure capabilities... ..., and ongoing maintenance of enterprise IT assets with a Top Secret/SCI with Polygraph clearance, and extensive hands-on Linux #J-18808-...
$80.18k - $108.48k
...Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be... ...opportunity as a IT Support Specialist with GDIT. A career in enterprise... ...experience troubleshooting Tier 2 technical issues... ...Security Clearance Level: TS/SCI with Polygraph Location...Full timeTemporary workPart timeWork experience placementImmediate startRemote workWorldwideFlexible hours$147.29k - $199.28k
...Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be... ...Computer Hardware, System Administration, Technical Support... ...enterprise IT, collaborating with people who are driven and resourceful... ...Security clearance level: TS/SCI with Polygraph US citizenship...Full timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours- ...Description Systems Administrator Maintains an organization... ...network issues along with updating equipment and... ...that holds an active TS/SCI eligible clearance for... ...responsibilities primarily Tier 1-3, as well as other... ...: Provide Tier I, II, and III system administration...Work at officeLocal areaRemote work
- ...and security of our nation as a Systems Administrator Senior at GDIT. You’ll apply the... ...including fixing network issues along with updating equipment and software Develops... ...: ~ The position requires an active TS/SCI with Polygraph clearance ~3+ years of related...
$114.11k - $203.11k
...development and maintenance with application instances in the... ...Demonstrated experience working in Linux environment including working... ...Demonstrated experience with IIS and Nginx Demonstrated... ...stand‑alone devices Active TS/SCI with polygraph required At least a Bachelors...Full timeContract work- Leidos seeks a Mid-Level Systems Administrator / Helpdesk Engineer to support the Chinook... ...an IC customer. The role covers Tier 1/2 helpdesk, Windows/Linux administration, AD access control,... ..., Alexandria, Chantilly, and more, with TS/SCI poly requirements and a focus on...
- Share Point System Administrator - Level 4 (TS/SCI Clearance Required) Alexandria, United... ...have a Bachelor's degree with 8 years of relevant... ...environment. Experience with Tier 2 & Tier 3 system administration... ...willingness to complete a polygraph. #J-18808-Ljbffr J&T Business...
$97.75k - $132.25k
...Possess: Top Secret/SCI Clearance Level... ...Secret SCI + Polygraph Public Trust/Other... ...for a Systems Administrator. You’ll apply the... ...administrator with a strong aptitude... ...to troubleshoot Tier 1 technical problems... ...Succeed Active TS/SCI w/ Polygraph... ...Directory IIS 7+ MS Office Suite...Temporary workImmediate startRemote workWorldwideFlexible hoursShift workNight shift- ...Solutions seeks a Veritas System Administrator to support the CESO GSM-O II program in Arlington, VA.... ..., and cloud operations with hands-on engineering and... ...hold active DoD TS/SCI clearance with CI/POLY capability... ...Veritas NetBackup, Windows/Linux, VMware, scripting, and documentation...
- ...capabilities from the ground up? Bored with just keeping the lights on in a... ...a dynamic team consisting of Linux Administrators, DevOps & Infrastructure Engineers... ...Qualifications:Active TS/SCI with ability to obtain a CI polygraph.Bachelor’s degree in network engineering...Full time
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