Linux Systems Administrator Job Vacancies

101 to 125 of 170 Linux Systems Administrator Jobs

Senior Linux System Administrator

Stockport, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
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Senior Linux System Administrator

Chesterfield, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
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Senior Linux System Administrator

Belfast, Northern Ireland, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
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Senior Linux System Administrator

Luton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
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Senior Linux System Administrator

Portsmouth, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
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Senior Linux System Administrator

Oxford, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
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Senior Linux System Administrator

Hemel Hempstead, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
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Senior Linux System Administrator

Preston, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
Posted:

Senior Linux System Administrator

Bolton, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
Posted:

Senior Linux System Administrator

Leeds, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
Posted:

Senior Linux System Administrator

Crawley, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. … What You’ll Do Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard … as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and More ❯
Posted:

Linux System Administrator

Bath, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Linux System Administrator – Global Brand - Up to £75K Basic Salary - £120K + OTE (25% Bonus + Stock) Overview: An exciting opportunity has arisen with a market leading Software company for an experienced Linux System Administrator. … to stakeholder requests within agreed timescales or SLO Drive automation to reduce failures, manual tasks and therefore improving overall application performance and availability Perform systems administration activities to ensure the smooth operation of applications across multiple platforms Coordinate and communicate with impacted stakeholders as per incident management process Demonstrate … site in the Bristol area - 5 days a week Up to 25% bonus Stocks option Excellent training and career opportunity Linux System Administrator - Global Brand - Up to £75K Basic Salary - £120K + OTE (25% Bonus + Stock) #J-18808-Ljbffr More ❯
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Linux System Administrator

Bristol, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Linux System Administrator – Global Brand - Up to £75K Basic Salary - £120K + OTE (25% Bonus + Stock) Overview: An exciting opportunity has arisen with a market leading Software company for an experienced Linux SysAdmin. We … to stakeholder requests within agreed timescales or SLO Drive automation to reduce failures, manual tasks and therefore improving overall application performance and availability Perform systems administration activities to ensure the smooth operation of applications across multiple platforms Coordinate and communicate with impacted stakeholders as per incident management process Demonstrate … site in the Bristol area - 5 days a week Up to 25% bonus Stocks option Excellent training and career opportunity Linux System Administrator – Global Brand - Up to £75K Basic Salary - £120K + OTE (25% Bonus + Stock) #J-18808-Ljbffr More ❯
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Linux / Unix Systems Administrator

Northampton, West Northamptonshire, Northamptonshire, United Kingdom
Hybrid / WFH Options
Howdens Joinery
Howdens Joinery have a fantastic opportunity to join our Infrastructure department as a new Systems Administrator. You will support and maintain the Linux platforms running on IBM Power-VM and VMWare ESXi virtualisation layers. A permanent opportunity based from our office on Brackmills in Northampton with flexibility … to work from home 1 day a week. What you will be doing - Installation, configuration, documentation and ongoing maintenance of Linux servers, and any underlying management platforms, as per any build or compliance policies - Proactively monitor and report on the capacity and performance of Howdens platforms. - Participate in … maintain relationships with key internal and external stakeholders and partner What we need from you - Demonstrable experience designing, implementing and supporting Linux systems (including but not limited to RHEL and SLES) - RedHat satellite server experience - Shell scripting (Bash and Korn) - Familiar with the principle of server performance More ❯
Employment Type: Permanent
Posted:

Systems Administrator (Linux) - multiple levels - CLEARANCE and with Security Clearance

Fort Meade, South Dakota, United States
Constellation Technologies Inc
direct/relevant experience Bachelor's degree in a technical discipline from an accredited college or university is required. Five (05) years of additional Systems Administration experience on projects with similar processes may be substituted for a bachelor's degree. Security+ Certification Provide support for implementation, troubleshooting and maintenance … of IT systems Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems Manage the daily activities of configuration and operation of IT systems Provide assistance to users in accessing and using IT systems Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification … diagnosis and resolution of problems 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 support for the escalation and communication of status to agency management and internal customers More ❯
Employment Type: Permanent
Salary: USD 195,000 Annual
Posted:

Experienced/Lateral - Linux Systems Administrator

London, England, United Kingdom
Five Rings LLC - Careers
flow of knowledge and ideas between all areas of the firm. About the Role We are seeking a hands-on professional for our growing systems administration team. Systems Administrators are responsible for the workstations and servers of our rapidly expanding trading operations. In addition to all systems work both on the desktops and in the datacenters, Five Rings Systems Administrators frequently interact with users at various levels all across our organization. We are a Linux shop both on the server side and the trader desktops. Our firm runs Windows servers very rarely and … Windows desktops as needed. Skills & Attributes: Fluency in Linux administration is a must Experience in Debian/Ubuntu preferred A demonstrated ability to work tasks to completion and tolerate frequent context switches Experience with: BIND Ansible Linux KVM Zabbix Google workplace collaboration and productivity tools Some More ❯
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Senior System Administrator Linux (m/w/d)

Mannheim, Baden-Württemberg, Germany
Hybrid / WFH Options
osapiens Holding GmbH
We are now seeking a highly skilled Senior System Administrator - Linux to support the ongoing development and optimisation of our osapiens HUB. In this role, you will be responsible for managing and enhancing our infrastructure, automating deployment processes, and ensuring the reliability, scalability, and security of … their highest value activities: implementing business logic and crafting beautiful user interfaces. Activities You take care of the administration, maintenance, and updates of Linux servers in our public clouds, but also on-premises You are responsible for the design, optimization, and availability of the cloud infrastructure You support … infrastructures for our national and international customers Requirements A completed training as Specialist IT - System Integration, or comparable Handling many Linux (Ubuntu) systems using tools (e.g. Ansible), and managing Java applications, Apache Cassandra/ScyllaDB, Elasticsearch, and HA Proxy is not difficult for you Several years of More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

HPC Linux System Administrator

City of London, London, United Kingdom
Hybrid / WFH Options
Granite Recruitment and Consulting Ltd
HPC Linux System Administrator - fully remote/work from home £55,000 - £75,000 & health/life/income insurance This is a great opportunity for a Linux System Administrator with experience of high-performance computing to join a leading technical consultancy … and finishing at 22:00). The role will involve implementing and supporting HPC technologies for a variety of customers on their in-prem systems, and would suit a highly technical individual who also enjoys regular customer interactions. The role would be ideal for someone with the following skills … beneficial Some experience with HPC Experience with GPFS would be a bonus! Some of the benefits that come with the Linux System Administrator role include: A starting salary of £55k+ Matched pension up to 10% Health insurance Life insurance Income protection 25 days paid holiday, plus More ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

HPC Linux System Administrator

EC1A, Clerkenwell, Greater London, United Kingdom
Hybrid / WFH Options
Granite Consulting
HPC Linux System Administrator - fully remote/work from home £55,000 - £75,000 & health/life/income insurance This is a great opportunity for a Linux System Administrator with experience of high-performance computing to join a leading technical consultancy … and finishing at 22:00). The role will involve implementing and supporting HPC technologies for a variety of customers on their in-prem systems, and would suit a highly technical individual who also enjoys regular customer interactions. The role would be ideal for someone with the following skills … beneficial Some experience with HPC Experience with GPFS would be a bonus! Some of the benefits that come with the Linux System Administrator role include: A starting salary of £55k+ Matched pension up to 10% Health insurance Life insurance Income protection 25 days paid holiday, plus More ❯
Employment Type: Permanent
Salary: £55000 - £75000/annum
Posted:

Linux System Administrator

Dallas, Texas, United States
Open Systems Technologies
Someone with automation experience -They use a lot of change management -Some understanding of agile and jira -Gitlab - nice to have Responsibilities Regular System Administrator activities including but not limited to: Performs moderate level infrastructure support tasks, maintenance, configuration and troubleshooting and provides resolution of problem tickets. Implements … recovery exercise Applies analytics on past data like incidents and patterns for predicting issues and takes proactive actions Experience in identifying toil in Operating Systems and Build self-services and contribute towards developing coding best practices Develop automated process for lifecycle management, OS software management, and configuration management Execute … guidelines. Hours of Work Initial work schedule: Monday - Friday, then will transition to either Tuesday-Saturday OR Sunday-Thursday Quals Linux System Administrator Requirements: 3 to 5+yrs RedHat Linux administration, configuration, upgrades, migrations, and patching professional experience. Experience using Satellite for Linux More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Linux Systems Administrator with Security Clearance

Melbourne, Florida, United States
Indotronix International Corp
as a System Administrator (SysAdmin). Responsibilities for this position include integrating, configuring, monitoring, troubleshooting, upgrading, patching, and maintaining various federal customer systems that are owned/operated by L3Harris. The successful candidate must be able to answer and solve customer technical operational (Tier I) problems in … L3Harris software. Accordingly, applicants must be willing to work shift periods that includes evening and weekend rotations. Specific duties and responsibilities include: • Provide technical systems administrative support to test, deploy and maintain federal contract systems to meet Service Level Agreement (SLA) performance criteria. • Provide customer service support to … diagnose, troubleshoot and restore service impacting events affecting L3Harris owned/managed systems, including hardware, software and operating system configurations to maintain service performance in accordance with contract requirements. When required, direct field support teams to assist in performing repair or new feature addition work. • Perform technical procedures as More ❯
Employment Type: Permanent
Salary: USD 37 Hourly
Posted:

RedHat Linux Systems Administrator with Security Clearance

Maryland, United States
FUSE Engineering
Description • Strong Linux system administration skillsGeneral Red Hat Linux system administration, security patching, OS upgrades, troubleshooting problems, and ensuring maximum availability • Red Hat Certified Engineer certification (RHCE) is a plus • Experience in VMware and/or virtual server environment administration Requirements The candidate should have a More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Cleared Linux System Administrator with Security Clearance

Sunnyvale, California, United States
Kaztronix
A Global Government Contracting Company is seeking a Cleared Linux System Administrator to join their team in Sunnyvale, CA! This role is 100% onsite and Secret clearance is required with the ability to obtain TS. Must also have current Sec+ Cert. Looking for E2 and E3 … equivalent. E3 - advanced degree and 7+ years experience or bachelors with 9+ years experience or equivalent) Responsibilities: • Administer, maintain, and optimize Linux systems in physical, virtual, and containerized environments • Automate system provisioning and configuration using Ansible • Deploy, manage, and troubleshoot containerized applications (Docker, Kubernetes, OpenShift) • Ensure system … hardening and compliance via STIG and SCAP tools • Manage and support NFS protocols and enterprise storage systems (e.g., NetApp) • Support virtualization platforms (VMware, KVM) and container orchestration (OpenShift/OpenStack) • Collaborate on network troubleshooting and perform basic network configurations • Apply security best practices, including SELinux policies and firewalld configuration More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Linux System Administrator with Security Clearance

Lexington, Massachusetts, United States
John Galt Staffing
The Homeland Decision Support Systems Group seeks a System Administrator to be part of a team that supports end-to-end system architectures design, decision support, and advanced analytics to enhance the protection of the homeland and U.S. interests overseas. The group deploys real-time enterprise and … network infrastructure: data storage, backups and recovery, network bandwidth and throughput, application installation and management •Support design and implement configuration management and monitoring of systems and networks •Collaborate with other personnel within the organization to enhance technology and support practices •Maintain regular contact with MIT LL IT and security … resources and to rapidly reconfigure systems to report and remediate performance and security issues Skills: Required •Linux Administrator including scripting •Netapp Administrator, setup and troubleshooting •An understanding of network setup at the system level (i.e. IPTables and firewalls) •LDAP proficient administration, setup and More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Linux/Unix System Administrator with Security Clearance

Patrick Afb, Florida, United States
Datum Software, Inc
Job Description: The Linux/UNIX System Administrator will manage and maintain AFTAC's Linux-based systems, ensuring optimal performance, security, and reliability. This role will involve managing system resources, performing proactive system maintenance, handling troubleshooting tasks, and supporting cloud-based Linux … will also provide training and guidance to junior staff and assist in system migrations. Key Responsibilities: Administer Linux/UNIX-based systems, including RedHat and Solaris, ensuring smooth day-to-day operations. Perform proactive space management, scalability improvements, and implement high-availability strategies. Support system migrations … Secret Clearance IAT Level 2 Oracle (Solaris) Certified Associate and/or Red Hat Certified System Administrator Desired Qualifications: Oracle Solaris 11 Systems Administration I, II, III Oracle Solaris 11 Logical Domains Oracle Solaris 11 Zones Oracle Solaris Essentials and Shell Oracle Solaris 11 ZFS Administration Oracle More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:
Linux Systems Administrator
10th Percentile
£46,250
25th Percentile
£47,000
Median
£55,000
75th Percentile
£74,063
90th Percentile
£83,750