Senior Systems Administrator

A Praxis Opportunity

Praxis Engineering, a GDIT company, provides cutting-edge technology capabilities and unmatched expertise to deliver mission-critical solutions that drive impact and support customer needs.

Clearance Level
Top Secret SCI + Polygraph
Category
IT Infrastructure and Operations
Location
Annapolis Junction, Maryland
(Onsite Workplace)
Key Skills For Success

Information Technology (IT) Systems

Linux Management

Red Hat Ansible

VMware ESXi

REQ#: RQ221466
Public Trust: None
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 ADMINISTRATOR SME

Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator SME and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

WHAT YOU’LL NEED TO SUCCEED
Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator SME must have:
● Education: Bachelor's degree in technical discipline from an accredited college or university

● Certification in good standing which qualifies for CWQMP (formerly CWIP) Basic Proficiency Level
● Experience: 15+ years of related experience
● Technical skills: Linux (RHEL, Rocky, Ubuntu), Windows Active Directory, LDAP, VMWare, management of virtual machines and hypervisors, Gitlab administration, automated build/runners, Netbackup, Ansible, Basic networking, Implementation and enforcement of security policies, and integration with enterprise security monitor systems and log collection
● Security clearance level: Active TS/SCI w/ Polygraph required
● US citizenship required
● Role requirements: Ability to proficiently:

  • Provide support for implementation, troubleshooting and maintenance of IT systems            

  • Manage the daily activities of configuration and operation of IT systems           

  • Provide problem identification, diagnosis and resolution of problems       

  • Provide assistance to users in accessing and using IT systems  

  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.    

  • Provide basic and advanced problem identification, diagnosis and resolution of problems           

  • Communicate of status to agency management and internal customers    

  • Optimize system operations and resource utilization, and performs system capacity analysis and planning 

  • Assuring completion of the resolution process.   

  • Provides in-depth experience in trouble-shooting IT systems      

  • Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance          

  • Supports the design of secure systems, mission architecture and associated hardware           

  • Analyzes and resolves complex problems associated with server hardware, applications and software integration 


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 an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#MD_2026Alumni

#IntelligenceEngineered

#praxisjobs

Work Requirements

Years of Experience

15 + years of related experience

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

Certification

CompTIA Security+ CE | CompTIA - CompTIA

Travel Required

None

Citizenship

U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $229,500 - $310,500. 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.
View information about benefits and our total rewards program.

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 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 over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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