28 Linux Administrator jobs in the United Kingdom
Systems Administrator
Job Viewed
Job Description
Type of Requisition:
RegularClearance Level Must Currently Possess:
Top Secret/SCIClearance Level Must Be Able to Obtain:
Top Secret SCI + PolygraphPublic Trust/Other Required:
NoneJob Family:
Systems AdministrationJob Qualifications:
Skills:
Storage Management, Unix System Administration, Windows System AdministrationCertifications:
NoneExperience:
5 + years of related experienceUS Citizenship Required:
YesJob Description:
Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.
At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on TS/SCI cleared Systems Administrator joining our team to Support our intelligence customer in London, UK.
HOW A SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT
As a Regional Systems Administrator, you will work closely with both on-site and remote
users to coordinate site visits and upgrades, provide on-site and remote resolution support
for trouble calls and provide TIER 2/3 support of Unix/Windows workstations and servers, including Web servers, network attached storage devices, and stored data in support of business processing requirements.
Job Duties:
• Systems administration of desktop and server systems connected to local and wide area
networks. Desktop system management responsibilities involving account monitoring,
security, Operating System (OS) installation, and other local area system administration
related functions.
• Provide support for implementation, troubleshooting and maintenance of IT systems and
management of system infrastructure and any processes related to these 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 Tier 2 and Tier 3 problem identification, diagnosis and resolution
• Provide support for the escalation and communication of status to agency management
and internal customers
• Install/load operating system and application software
• Isolate and resolve hardware and software problems involving the applications, the
operating system, the hardware, the communications infrastructure, or any combination
thereof
• Troubleshoot, maintain integrity and configure network components along with
implementing operating systems enhancements to improve reliability and performance
• Perform software installations and upgrades to Unix/Windows operating systems and
layered software packages and maintains them in accordance with established policies,
procedures and service level agreements; evaluation and installation of software/hardware
patches and resolution of software related problems associated with COTS/GOTS
products
• Create and follow procedures to maintain and manage multiple linked databases including
security, data safety and integrity, disaster recovery, and bulk data import/exports.
• Conduct routine and emergency maintenance of assigned data center equipment
• Communicate/coordinate scheduled preventive maintenance windows with potentially
impacted customers
• Collaborate and contribute to the development, administration, and testing of backup and
recovery plans
• Ensure systems are secure to STIG guidelines by utilizing tools such as Retina and HBSS
• Maintain operational, configuration, and other standard operating procedures (SOPs).
• Verify system availability with existing Enterprise tools
Requirements:
• Bachelor's Degree and 5+ years of relevant experience or an equivalent combination of education and years of experience.
• Must have Security+ certification or DoD 8570 Level II equivalent within 90 days of hire
• TS/SCI Clearance required and eligibility to obtain CI Poly
• UNIX, Windows, and/or Storage administration
• Experience working with trouble reporting and tracking systems such as Security+
•Ability to respond to after hour calls “provide on-call support"
• Ability to travel 0-20% to local area sites as well as other locations with similar architecture/footprint.
• Ability to prioritize and execute tasks in a high-pressure environment.
Physical Requirements:
The employee will need to be able to lift/move/carry equipment as necessary (max 40 pounds)
Desired Skills:
• Experience in the imagery intelligence domain a plus
• Ability to create and modify scripts in multiple disciplines on Windows, Linux, and Solaris
systems
• Knowledge of the Customer's processes and procedures and of the Customer's production
systems a plus
• Ability to prioritize and execute tasks in a high-pressure environment.
• Ability to function as a team member and independently
• Prefer skills in one or more of the following: Window Server, Red Hat, IRIX, Solaris,
Sybase, Informix, SQL, and Imagery Production Chain
• General knowledge of database administration, network administration and possess
network configuration management skills.
• Must have a valid US passport
Location: Customer Site
US Citizenship Required
GDIT IS YOUR PLACE:
● 401K with company match
● Comprehensive health and wellness packages
● Internal mobility team dedicated to helping you own your career
● Professional growth opportunities including paid education and certifications
● Cutting-edge technology you can learn from
● Rest and recharge with paid vacation and holidays
#RoverGSS
The likely salary range for this position is $115,600 - $156,400. 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.Total compensation for international positions varies by tax, social security, and immigration statuses, as well as location. Generally, an international assignment may include allowances, premium uplifts, and/or relocation or transportation benefits, above base salary range noted.Scheduled Weekly Hours:
40Travel Required:
10-25%T elecommuting Options:
OnsiteWork Location:
InternationalAdditional 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.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 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 capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, 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 atgdit.com/tc .
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans About UsWe are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
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Linux Administrator
Posted 7 days ago
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Job Description
This is an excellent opportunity for Linux Administration to be part of leading-edge technology projects. Cognizants Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and sys.
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Linux System administrator
Posted 8 days ago
Job Viewed
Job Description
Job title: Linux System administrator
Location : Cambridge- 3 Days a Week
Type: Contract
Client: Wipro
Mandatory Skills: Linux Admin
Experience: 5-8 Years
• Experience running and maintaining on-premise data centres
• Strong experience with Linux (Ubuntu / Centos)
• Experience enterprise storage including ISCSI and SAN technology
• Prior experience using automation tools (Ansible, Foreman etc)
• Knowledge of IP networking, DNS, and firewalling
• Experience with Python, shell scripts and command-line tools
• Knowledge of containerisation and related orchestration technologies
• Demonstrable experience of remediation projects, ideally within a PCI-DSS certified environment.
• Strong verbal & written communication skills and natural willingness to collaborate across teams and organisations.
• Naturally able & productive with ITSM tools such as Jira, ServiceNow etc.
Great to haves:
• Good knowledge of the various services and capabilities of cloud computing platforms; Ideally AWS
• Hyper-V, Microsoft AD, AAD & VMWare experience
• Experience maintaining OpenStack
• Experience maintaining build system, source code management, TeamCity and GitLab services
• Bachelor’s degree in a related field (Computer Science preferred) or equivalent experience
Program/Project Overview
M&A Feature space O&I integration
Engagement Deliverable(s)
Get to target state program and integration of Feature Space
Linux Systems Administrator
Posted today
Job Viewed
Job Description
Senior Systems Administrator | Linux , RedHat , Ansible and VMWARE
UK | Remote | Full-Time
We’re looking for a highly experienced Senior Systems Administrator to take the lead on managing and optimising our IT infrastructure — with a strong focus on Linux automation, and enterprise-grade system performance.
What You’ll Be Doing
- Administer and monitor enterprise systems, ensuring high availability in a Linux environment.
- Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning
- Automate infrastructure using tools like Ansible , PowerShell, or Bash
- Implement robust backup and disaster recovery strategies
- Enforce security measures, conduct audits, and ensure compliance
- Troubleshoot complex system issues and support continuous improvement
- Document system configurations and generate performance reports
What You’ll Bring
- 6+ years in systems administration or infrastructure engineering
- VMware experience (upgrade, provisioning, tuning)
- Strong skills in Ansible and other automation/scripting tools
- Solid Linux/Windows OS knowledge
- Experience with Red Hat Satellite and patching infrastructure
- Excellent problem-solving and communication skills
- Relevant certifications (VCP, MCSA, RHCE, etc.) are a plus
What We’re Looking For
- Proactive mindset with strong ownership and accountability
- Adaptable, collaborative, and eager to learn
- Confident decision-maker who thrives under pressure
- Strong ethical conduct and a team-first attitude
Why Join?
You’ll have the chance to work in a high-impact role where your technical expertise directly supports innovation, resilience, and growth. This is an opportunity to shape and secure the backbone of a modern IT environment.
System Administrator
Posted today
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Job Description
Systems Administrator – On-Site | Northampton | Up to £38,000 + Benefits
A leading organisation near Northampton is seeking a proactive and detail-oriented Systems Administrator to oversee and manage their internal IT infrastructure. This is a fantastic opportunity to play a key role in ensuring the efficiency, security, and performance of IT systems in a dynamic business environment.
This is an on-site role , offering up to £38,000 + benefits .
The Role:
As Systems Administrator, you will be responsible for the day-to-day management and optimisation of IT systems, networks, and servers, supporting the company’s business-critical operations. You’ll lead on troubleshooting, system upgrades, and implementing robust security protocols to safeguard data and maintain compliance with industry standards.
Key Responsibilities:
- Manage and maintain IT infrastructure, including networks, servers, and cloud systems.
- Oversee hardware and software installations, configurations, and updates.
- Monitor system performance, proactively identifying and resolving issues.
- Implement and enforce IT security measures (firewalls, antivirus, encryption).
- Lead IT projects such as upgrades, migrations, and system implementations.
- Maintain comprehensive documentation of IT systems and processes.
- Collaborate with internal teams to understand and address technology needs.
- Continuously review and enhance IT policies and procedures.
Key Requirements:
- Solid experience in IT systems administration and network management.
- Proficient in system monitoring, backup strategies, and disaster recovery planning.
- Strong understanding of IT security protocols and compliance standards.
- Excellent troubleshooting and problem-solving skills.
- Clear communicator, able to work with technical and non-technical teams.
Desirable (Not Essential):
- Bachelor's degree or equivalent experience.
- Exposure to cloud platforms (AWS, Azure).
- Familiarity with virtualisation technologies (VMware, Hyper-V).
- Scripting or programming knowledge (PowerShell, Python).
- Relevant industry certifications.
System Administrator
Posted today
Job Viewed
Job Description
System Administrator – Fintech – Onsite in Manchester
Location: Manchester (Full-time, Onsite 5 days)
Hours: Monday to Friday, 9:00 AM – 5:30 PM
Employment Type: Permanent, Full-time
We’re hiring a System Administrator to join a fast-growing fintech company based in Manchester. This is a great opportunity for someone early in their IT career who’s looking to build hands-on experience across IT systems, hardware, and SaaS management in a dynamic environment.
What You’ll Be Doing:
- Administering and supporting Office 365 (email, user accounts, licensing, etc.)
- Setting up, maintaining, and troubleshooting laptops and desktop hardware
- Handling user onboarding/offboarding including account creation, password resets, and permissions
- Managing and supporting SaaS applications used across the business
- Maintaining inventory and handling procurement of IT hardware
- Ensuring smooth day-to-day operation of IT systems and responding to support tickets
- Assisting with basic IT security tasks and best practices (nice to have)
What We’re Looking For:
- Some hands-on experience or knowledge of Office 365 administration
- Familiarity with laptop setup, troubleshooting, and hardware support
- Interest in system administration, user management, and IT operations
- Ability to follow documented processes and adapt to a fast-paced tech environment
- A proactive attitude and willingness to learn on the job
Nice to Have:
- Understanding of basic IT security principles
- Experience with SaaS application administration
System Administrator
Posted 2 days ago
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Job Description
System Administrator
Location : Leicester (Hybrid options available)
Employment Type : Full-time, Permanent
Department : IT Infrastructure
About the Role
A well-established retail organisation is seeking a skilled System Administrator to join its Infrastructure Server Admin Team. This role involves supporting and managing server environments, storage systems, Active Directory, and backup solutions. You.
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System Administrator
Posted 8 days ago
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Job Description
Job Summary
A unique opportunity to join and grow within a leading technology provider, serving the financial services sector. You will be the client's first point of contact, responding to service requests and incidents, where appropriate escalating to the relevant teams. Your role's primary focus will be providing remote support to our clients. This position requires a high le.
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ServiceNow System Administrator
Posted 4 days ago
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Job Description
ServiceNow System Administrator with experience working in an ITSM environment is sought on a fully remote contract basis by a global financial technology leader.
Working with international retailers to deliver cutting-edge payment solutions this ServiceNow System Admin will join a newly formed ServiceNow service management central service offering excellent project work and contract longevity.
This ServiceNow System Administrator should have most of the following key skills:
- At least a year's ServiceNow system admin experience ideally gained in a ITSM environment
- Hands-on experience configuring core ITSM modules (Incident, Change, Request, CMDB).
- Solid understanding of ServiceNow architecture and scripting
- Experience integrating ServiceNow with other platforms using REST/SOAP APIs.
- Excellent communication and stakeholder management skills.
Whilst the max day rate on offer is £260 the contract is a minimum of 12 months (with high probability of extension), fully remote and is outside of IR35.
ServiceNow System Administrator
UK (fully remote)
£50- 60 per day outside of IR35
12 months with extension potential
ServiceNow System Administrator
Posted 7 days ago
Job Viewed
Job Description
ServiceNow System Administrator with experience working in an ITSM environment is sought on a fully remote contract basis by a global financial technology leader.
Working with international retailers to deliver cutting-edge payment solutions this ServiceNow System Admin will join a newly formed ServiceNow service management central service offering excellent project work and contract longevity.
This ServiceNow System Administrator should have most of the following key skills:
- At least a year's ServiceNow system admin experience ideally gained in a ITSM environment
- Hands-on experience configuring core ITSM modules (Incident, Change, Request, CMDB).
- Solid understanding of ServiceNow architecture and scripting
- Experience integrating ServiceNow with other platforms using REST/SOAP APIs.
- Excellent communication and stakeholder management skills.
Whilst the max day rate on offer is £260 the contract is a minimum of 12 months (with high probability of extension), fully remote and is outside of IR35.
ServiceNow System Administrator
UK (fully remote)
£50- 60 per day outside of IR35
12 months with extension potential