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Added 1 min ago
MT
Senior Installation Field Engineer
MKS2 Technologies
Omaha, NE
- $75,000 to $80,000 USD / year
We're looking for a technically skilled, people-friendly Installation Engineer who thrives in dynamic environments and isn’t afraid to hit the road - or the skies. This role is perfect for…
Added 1 min ago
K
Network Engineer - Cisco Wireless & Infrastructure
Kforce
Draper, UT
- $45 to $60 USD / hour
Kforce has a client in Draper, UT that is seeking a Network Engineer - Cisco Wireless & Infrastructure.
Added 1 min ago
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Cloud Platform Engineer
Kforce
Jacksonville, FL
- $75 to $85 USD / hour
Kforce has a client that is seeking a Cloud Platform Engineer in Jacksonville, FL.
Added 1 min ago
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DevOps Engineer
Kforce
Hopkins, MN
- $46 to $63 USD / hour
Kforce has a client in Hopkins, MN that is seeking a DevOps Engineer responsible for developing, implementing and maintaining technical software applications and provides a combination of…
Added 1 min ago
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DevOps Engineer
Kforce
Minneapolis, MN
- $46 to $63 USD / hour
Kforce has a client in Minneapolis, MN that is seeking a DevOps Engineer.
Added 1 min ago
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AI/Automation Engineer
Kforce
Minnetonka, MN
- $60 to $90 USD / hour
Kforce's client in Minnetonka, MN is seeking a Senior AI Software Engineer to design, build, and scale our next-generation AI agents, applications, and platform capabilities. The…
Added 1 min ago
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Lead Back-End Java Developer
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Remote, United States
- $120,000 to $140,000 USD / year
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Added 2 mins ago
Manager, Maintenance
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Added 3 mins ago
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As Lead Engineer, AI Platform, you will own the architecture and evolution of the enterprise AI platform that powers AI agents across OneMagnify products and client solutions. This role…
Added 4 mins ago
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Network Engineer
Robert Half
Nashville, TN
- $45 to $54 USD / hour
Robert Half is currently seeking a Contract Network Engineer to join our client's IT department. As a Contract Network Engineer, you will play a vital role in the design, implementation,…
Added 4 mins ago
Sr. Software Engineer, Full Stack (Data & Video Analysis)
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Hawthorne, CA · Brownsville, TX
Operate the applications in production: respond to failures, restore service, and carry the fix into the software and into how the system is run. Raise the standard for monitoring and…
Added 4 mins ago
Software Engineer, Full Stack (Data & Video Analysis)
SpaceX
Hawthorne, CA · Brownsville, TX
Operate the applications in production: respond to failures, restore service, and carry the fix into the software and into how the system is run.
Added 4 mins ago
Software Engineer, Agents
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STLabs is an AI service management platform that resolves employee requests end-to-end, grounded in a living model of the enterprise. This matters because we're able to resolve requests…
Added 4 mins ago
Software Development Engineer
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Eligible employees may receive four (4) weeks paid Care Giver leave after 1 year of service or in accordance with state leave laws
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Strong communication and customer-service skills
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Automation Data Engineer (100% Remote)
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Remote, United States
- From $68 USD / hour
Insight Global is looking to hire a Data Engineer to support financial, acquisitions, and budget data capabilities for DHS OCIO. Much of the current environment relies on manual processes…
Added 5 mins ago
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RAMP Engineer
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- From $75 USD / hour
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Added 5 mins ago
Engineer 2
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Provide service and repairs to hotel equipment including electrical, plumbing, steam, gas, fire & safety, HVAC refrigeration, interior, paint and decorating, and respond to inquiries and…
Added 6 mins ago
Cloud Engineer: Cleared position
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Belay Technologies is seeking a Cloud Engineer with strong hands-on experience in AWS cloud infrastructure, DevOps and MLOps to join our engineering team. The ideal candidate will have…
Added 6 mins ago
AI Security Software Engineer
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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 6 mins ago
Senior AI Engineer
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Louisville, KY · Washington, DC · NY · Tampa, FL · Boston, MA · Dallas, TX
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Closed listing

GD Information Technology, Inc.

Linux Systems Engineer

United States

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

This opening has closed.

The original listing is kept below for reference.

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About employer

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

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Original job description

Archived listing. The details below describe a past opening.

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

About employer

More about this job

Skills

Linux
IMPACT
Regulatory compliance
DNS
DHCP
LDAP
Monitor system performance
Troubleshoot
Documentation
Troubleshooting
Leadership
Process improvement
ITIL
Coaching
Team building

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