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Linux Administrator

Irving,TX

2523 Linux Administrator jobs in Irving,TX

Featured Opportunity
TEKsystems Logo

TEKsystems - Richardson, TX

Linux System Administrator
$45-$52/hr
~ 26 min OnsiteHealth InsurancePaid Time OffRetirement Benefit
New, Posted 1 day ago
Information Services Developer II - Web and Mobile Developer (Unity, .NET MAUI)

CHRISTUS Health

Irving, TX 75039

OnsiteUrgently Hiring

MULTIPLE SHIFTS AVAILABLE
Full Time
Bachelor's degree in Computer Science, Engineering, Math or related field
Software Development Life Cycle and process
Algorithm and Data Structure
Strong technical knowledge of Application, Integration Design and Development of systems, databases, operating systems and Information Services.
4+ years' experience in corporate systems environments required.
Minimum of four (4) years development experience in a corporate environment
Working experience in design, coding, and deployment.
Knowledge of industry standard WEB platforms (.NET/C#), Automation (RPA and Test Automation), Microsoft Internet Information Server, Linux, Apache, Unix, Microsoft Foundation Server.
Experience working with Internal or External customers for an organization in coordinating work and designing solutions.
Experience utilizing the Software Development Lifecycle (SDLC), Agile and Waterfall Methodologies
New, Posted 21 hours ago
Recommended
Easy Apply
Linux Infrastructure Engineer

TEKsystems

Irving, TX 75014

$60-$75/hr
HybridUrgently HiringHealth InsurancePaid Time OffRetirement Benefit

$60.00 - $75.00/hr.
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan
Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D; for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
24/7/365 Operationsteam
On-call rotation
North American "day shift"
3 days in office and 2 days remote
Bachelor's degree in a field related to IT, computer science, or telecommunications. (Relevant years of experience will suffice as well)
Strong hands-on experience administering and troubleshooting production Linux environments
Candidates should be comfortable diagnosing services, processes, CPU/memory, storage and filesystems, networking, security, performance, and application-connectivity issues from the command line.
Strong knowledge of TCP/IP, routing, and switching, with hands-on experience troubleshooting VLANs, routing protocols such as OSPF and BGP, firewalls, NAT, VPNs, TCP/UDP connectivity, packet loss, latency, and routing problems.
Hands-on experience supporting and troubleshooting highly available or clustered production systems, including concepts such as quorum, failover, node communication, fencing, replication, synchronization, and recovery.
Demonstrated ability to investigate complex problems across multiple technology layers using Linux diagnostic tools, logs, monitoring systems, routing information, and packet captures with tcpdump and/or Wireshark.
Candidates should be able to methodically isolate whether a problem originates in the operating system, network, database, cluster, application, or an external dependency.
Expert Level
Juniper Engineer level certification in both Routing and Switching (JNCIP) and Network Security (JNCIP-SEC). (Again this is desired, but not mandatory as they can have the experience with other manufacturers).
Red Hat Certified Engineer (RHCE), and Red Hat Certified Specialist in Security certifications. (Cert is desired, but not mandatory)
Preferably Red Hat Enterprise Linux (RHEL)
Experience with Juniper and/or Cisco infrastructure is preferred.
Experience with Pacemaker/Corosync and Galera Cluster is strongly preferred.
Cloud Certifications, Cyber Certs,
Recommended
Datacenter Operations Technician ONSITE

MOEM IT SERVICES LLC

Colleyville, TX 76034

New, Posted just now
Recommended
ZipRecruiter
Senior Systems Engineer (Linux/AIX)

Genesis10

Plano, TX 75024

$63.68-$71.68/hr
Flexible Schedule
New, Posted 17 hours ago
Apply Directly
Administrative Specialist - (Remote)

Outlier

Fort Worth, TX 76137

$15/hr
Remote

Up to USD $15 per hour, paid weekly
Earn up to USD $15 per hour
On average, contributors earn an additional 7.5% through Missions — Outlier's version of surge pricing. The top quartile boosts their earnings by an average of 11%.
Payments are processed weekly on Tuesdays, covering tasks completed during the previous pay period (Tuesday to Monday at midnight UTC), via PayPal, AirTM, or ACH transfer.
Free access to leading LLMs, worth $200+/month
Flexible, no minimum hours
Work flexibly from anywhere, anytime, with no minimum hours. Set your own schedule, whether that's five or 40+ hours per week.
A valid ID and mobile phone from your country of residence
An up-to-date resume that highlights your expertise
A LinkedIn profile showing your educational background and work experience
Currently accepting applicants from: Australia, Canada, Ireland, New Zealand, United Kingdom, and United States.
You must be authorized to work in your country of residence.
Fluent English speaker
Experience writing short, evidence-based explanations or reviews
Nice to have: Pursuing or holding a Bachelor's degree or above
Recommended
ZipRecruiter
Training Administrator/Class Coordinator - HYBRID (2 Days in Office/2 Days Remote)

GP Strategies Government Solutions

Fort Worth, TX 76108

Remote
Easy Apply
Dispatcher - Local

Forward Air, Inc.

Irving, TX 75061

$20.87/hr
Onsite

$20.87/ hour
Education: High school diploma or equivalent
Comfort using dispatch systems
Technical: Proficient in Microsoft O365 and common office technologies
Must be able to work on‑site and commute reliably to the assigned location
AS400 experience a plus
Transportation or dispatch experience preferred
New, Posted 19 hours ago
Apply Directly
Layout Designer- Dallas,TX

Texas Instruments

Dallas, TX 75243

~ 24 min OnsiteHealth Insurance

Competitive compensation
Extensive health coverage and wellness programs
Associate's degree in Engineering or related field of study or program certificate in Advanced IC Mask Layout Design
Minimum 3.0 out of 4.0 cumulative GPA
Working knowledge of electrical circuits such as resistance, capacitance, voltage and current
Familiarity with Unix/Linux, Cadence Virtuoso, Assura LVS, DRC
Familiarity with semiconductor device physics, analog circuits and their layout sensitivities, and the IC production flow
Working knowledge of layout-related matching techniques, parasitics, routing impedances
Penetration Testing Engineer

McKesson

Irving, TX 75061

Hybrid

An annual bonus or long-term incentive opportunities may be offered.
$103,900 - $173,100
4+ years of cybersecurity, application security, penetration testing, offensive security, or related experience.
Bachelor's degree or equivalent combination of education and experience.
Experience performing web application and API penetration testing.
Experience validating security vulnerabilities, assessing exploitability, and distinguishing actionable findings from false positives.
Experience assessing enterprise applications utilizing REST APIs, GraphQL APIs, authentication systems, and cloud-native technologies.
Working knowledge of AWS, Azure, or Google Cloud Platform (GCP) security concepts.
Experience documenting technical findings and communicating remediation guidance to engineering teams.
Hands-on experience with Burp Suite Professional, Nuclei, Nmap, Metasploit, Postman, and Kali Linux tools.
Experience leveraging AI-assisted security tools and security automation platforms.
Experience implementing, operating, or scaling continuous security testing, attack simulation, breach and attack simulation, or automated offensive security capabilities.
Experience evaluating, validating, and triaging findings from automated or AI-assisted security testing platforms.
Experience assessing AI-enabled applications, agent-based systems, LLM integrations, or AI security risks.
Familiarity with DevSecOps, CI/CD security controls, and secure software development practices.
Knowledge of OWASP Top 10, API Security Top 10, threat modeling, and secure design principles.
Experience conducting red team, adversarial simulation, or attack path validation exercises.
Knowledge of cloud security architecture and containerized environments.
Experience performing cloud security assessments in AWS, Azure, and GCP environments.
Experience creating custom security testing scripts and automation workflows.
Experience developing proof-of-concept exploits and adversary emulation scenarios.
Familiarity with security control validation and compliance frameworks.
Experience mentoring engineers and contributing to security program maturity.
Experience supporting regulated industries such as healthcare, finance, or other highly regulated environments.
Relevant certifications such as OSCP, OSWE, OSWA, OSAI, HTB CWES, HTB CWEE, OSEP, GPEN, GWAPT or equivalent.
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