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Added 1 min ago
O
Principal Platform Software Engineer
Oracle
Nashville, TN
- $104,500 to $234,600 USD / year
…scalable, highly available, and reliable artifact management system for OCI. You will lead architecture and implementation for systems that manage, migrate, update, replicate, and serve…
Added 2 mins ago
Engineer - Substation
REI Utility Services
Remote, United States
The Engineer is responsible for independently designing and modifying power system protection and automation schemes, preparing engineering documentation, and supporting commissioning…
Added 3 mins ago
Q
Electrical Engineer
Quartermaster
Arlington, VA
- $190,000 to $225,000 USD / year
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Added 4 mins ago
Configuration Management Systems Engineer
SAIC
El Segundo, CA
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Added 4 mins ago
Junior Hardware Engineer
SAIC
Huntsville, AL
SAIC is seeking a Junior Hardware Engineer to support our team located in Huntsville, AL.
Added 5 mins ago
Entry Level Planning Engineer
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Walnut Creek, CA
…group. Previous experience with either water or wastewater system planning/hydraulic modeling and related software is desired. An Engineer-in-Training Certification (EIT) is required with a…
Added 5 mins ago
Senior / Staff Backend Software Engineer
Endor Labs
Palo Alto, CA
Software runs everything around our lives today - banking, hospitals, airports and power grids. AI now writes more of it every day, and our mission is to make sure the world can trust that…
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Automation Engineer
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…and manufacturing customized interconnect and high-precision system solutions for electric vehicles. We are fully dedicated to the mobility market with the agility to act at speed in…
Added 9 mins ago
Senior Software Engineer, Reliability
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Added 10 mins ago
Process Piping Designer
Stantec
Austin, TX
…project delivery under the direction of the design lead and/or engineer of…
Added 13 mins ago
Airworthiness Engineer, Omen
Anduril Industries
Costa Mesa, CA
…of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of…
Added 15 mins ago
Hardware Development Engineer, Test and Simulation Hardware, Prime Air, Drone Delivery
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Seattle, WA
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Added 15 mins ago
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Manufacturing Industrial Engineer- Bi-Lingual (Mandarin) required.
Delta Electronics (Americas) Ltd.
Plano, TX
- $82,000 to $87,000 USD / year
The Industrial Engineer (IE) is responsible for supporting daily manufacturing operations and continuous improvement activities through process analysis, capacity planning, manpower…
Added 20 mins ago
Sales Manager-Sales System Engineer Ter
AT&T Services, Inc.
Remote, United States
Our Sales Manager-Sales System Engineer Ter jobs earn between $114,400.00 - $192,200.00 + commission $43,000 . Not to mention all the other amazing rewards that working at AT&T offers.…
Added 21 mins ago
Electrical Engineer
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Oklahoma City, OK
ASRC Federal Advanced Research LLC (AFAR) is seeking an Electrical Engineer to join our Alaskan Satellite Telecommunications Infrastructure (ASTI) team that supports the Federal…
Added 21 mins ago
Engineer 2
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United States
Respond to all emergency conditions such as alarms, fires, power failures, etc.
Added 22 mins ago
AI Security Software Engineer
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United States
The AI Security Software Engineer designs, develops, and implements AI-driven security solutions to assess enterprise applications, analyze source code, and identify vulnerabilities. This…
Added 23 mins ago
HLW Piping Field Engineer
Bechtel
Richland, WA
The HLW Piping Field Engineer is responsible for activities relating to construction engineering within the Piping/Mechanical discipline. This position will be responsible for a variety of…
Added 24 mins ago
Senior Electrical Engineer
ARM EnerTech Associates, LLC
Cary, NC
…looking for a self-driven and experienced Senior Electrical Engineer who has a strong business acumen and embodies an ownership mentality. As a Sr. Electrical Engineer, you will collaborate…
Added 24 mins ago
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Infrastructure Engineer
TEKsystems
Wixom, MI
- $110,000 to $120,000 USD / year
…this capacity they are looking to hire a strong infrastructure engineer that has a jack of all trades skillset, but can come in with experience across the Cisco networking stack including…
Added 24 mins ago
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Infrastructure Engineer
TEKsystems
Wixom, MI
- $110,000 to $120,000 USD / year
…this capacity they are looking to hire a strong infrastructure engineer that has a jack of all trades skillset, but can come in with experience across the Cisco networking stack including…
Added 26 mins ago
Senior RF Radar Engineer I
Rocket Lab Corporation
Long Beach, CA
Based at Rocket Lab's global headquarters in Long Beach, CA, we are looking for a Senior RF Engineer II - Radar/RF who will be responsible for the technical development of radar and RF…
Added 27 mins ago
Project Engineer, Traction Power and Medium Voltage (Construction Engineer VII)
Fluor
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The Project Engineer, Traction Power and Medium Voltage, provides engineering leadership for traction power, medium voltage, and auxiliary power systems supporting the California High-Speed…
Added 27 mins ago
Project Engineer, Communication Systems (Construction Engineer VII)
Fluor
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…the largest planned infrastructure projects in the U.S. The system will connect the 500-mile stretch between the Los Angeles region with the San Francisco Bay Area, with up to 24 stations.…
Added 28 mins ago
Electric Propulsion Systems Engineer II (Onsite)
RTX
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Control & Diagnostic Systems (CDS) is a discipline within P&W Engineering, responsible for control system architecture, safety and reliability, thermal management, dynamic analysis,…

GD Information Technology, Inc.

Linux Systems Engineer

United States

The likely salary range for this position is $110,500 - $149,500.

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Job details

Pay: The likely salary range for this position is $110,500 - $149,500.
Experience: Experience: 5+ years of related experience
Posting language: English
Posted: Nov 3, 2026

Original job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

CentOS, Linux, Linux Server, RedHatCertifications:

NoneExperience:

5 + years of related experienceUS Citizenship Required:

Yes

Job Description:

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

MEANINGFUL WORK AND PERSONAL IMPACT

As a Senior Linux Systems Engineer, the work you’ll do at GDIT will be impactful to the mission of USCENTCOM. You will play a crucial role in configuration, maintenance, and optimization of Linux-based server environments supporting a large-scale enterprise infrastructure. This role supports mission-critical systems across an environment of more than 5,000 users, 1,000 servers, and 10,000 endpoints. The administrator will collaborate closely with other Enterprise Services teams to ensure system availability, performance, security compliance, and operational efficiency in support of USCENTCOM mission requirements.

Duties and Responsibilities

Configure, deploy, and maintain Linux server environments, including physical and virtual systems.
Administer Red Hat and CentOS Linux systems, ensuring stability, performance, and security compliance.
Configure and manage Linux services such as Apache, Nginx, DNS, DHCP, LDAP, and related system services.
Monitor system performance and availability, proactively identifying and resolving issues before they impact operations.
Troubleshoot and resolve complex system issues, including problems without existing documented solutions.
Implement system patches, updates, and security hardening in accordance with DoD and organizational policies.
Manage SSL/TLS certificate lifecycle activities supporting Linux-based services.
Collaborate with infrastructure, network, storage, and security teams to design and implement Linux-based solutions aligned with enterprise requirements.
Participate in system upgrades, migrations, and the deployment of new Linux infrastructure components.
Ensure incidents, problems, and service requests are tracked, prioritized, escalated, and resolved appropriately.
Develop and maintain technical documentation, including system configurations, troubleshooting guides, and standard operating procedures.
Produce reports and data sets to inform leadership of system performance, trends, and improvement opportunities.
Provide technical mentorship and guidance to junior administrators and team members.
Support projects focused on improving the security, efficiency, scalability, and resilience of Linux environments.
Assist in developing and enforcing system policies and best practices.
Participate in enterprise initiatives to modernize and standardize infrastructure services.
Contribute to continuous improvement efforts across Enterprise Services teams.

WHAT YOU’LL NEED TO SUCCEED

Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator Senior must have:

Certification: Applicable DoW 8140 or DoW 8570 Certification
Experience: 5+ years of related experience
Required skills:
Demonstrated proficiency administering Red Hat and CentOS Linux systems in enterprise environments.
Strong experience building, deploying, and maintaining Linux server infrastructures.
Expertise in system performance tuning, availability management, and security hardening.
Experience implementing patches, updates, and configuration changes in controlled environments.
Ability to troubleshoot and resolve complex systems issues under operational constraints.
Strong documentation skills for system configurations, procedures, and troubleshooting guides.
Proven ability to work collaboratively across multiple IT disciplines.
Desired Skills:
Red Hat Certified System Administrator (RHCSA) or higher
ITIL 4 Foundation Certification
Experience supporting USCENTCOM environments and familiarity with mission systems and operational requirements.
Knowledge of enterprise-scale infrastructure operations.
Experience mentoring junior administrators and contributing to team development.
Security clearance level: TS/SCI
US citizenship required

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, competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace

#centcomcits #gditprioity

The likely salary range for this position is $110,500 - $149,500. 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.

Scheduled Weekly Hours:

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA FL MacDill AFB

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 atgdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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