20 System Administration jobs in London
Linux Administrator
Posted 9 days ago
Job Viewed
Job Description
My Client a Financial Services Start up is looking for a Linux Administrator role to join their team. You'll be joining a small, high-performing team where you'll have real ownership and visibility across the platform.
Role requirements:
- 3-5 years of Linux system administration experience (RHEL, CentOS, Ubuntu).
- Solid network administration skills - eg. configuring routers, firewalls, switches etc.
- Network troubleshooting
- Scripting automation with Bash, Python or PowerShell
Role: Permanent
Salary: 80-90k
Time in Office: Hybrid
Location: London
If this role is of interest, please reply with your up-to-date CV and I will be in touch to discuss further.
Thank You
To find out more about Huxley, please visit (url removed)
Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales
Linux Administrator
Posted 10 days ago
Job Viewed
Job Description
My Client a Financial Services Start up is looking for a Linux Administrator role to join their team. You'll be joining a small, high-performing team where you'll have real ownership and visibility across the platform.
Role requirements:
- 3-5 years of Linux system administration experience (RHEL, CentOS, Ubuntu).
- Solid network administration skills - eg. configuring routers, firewalls, switches etc.
- Network troubleshooting
- Scripting automation with Bash, Python or PowerShell
Role: Permanent
Salary: 80-90k
Time in Office: Hybrid
Location: London
If this role is of interest, please reply with your up-to-date CV and I will be in touch to discuss further.
Thank You
To find out more about Huxley, please visit (url removed)
Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales
Linux Administrator
Posted today
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Job Description
Job Title: Linux Administrator
Location: Moorgate, London (5 days in office)
Type: FTE / Subcon / Permanent
Certification: RHCE (must-have)
Role Overview
We are looking for a skilled Linux Administrator to manage and support Linux systems, automate infrastructure, and ensure high availability across servers and applications.
Key Responsibilities
- Administer and manage Linux systems (RHEL, CentOS).
- Work with virtualization technologies (VMware).
- Use automation tools (Ansible) for deployments.
- Write and maintain scripts (Python, Bash).
- Perform MySQL database administration .
- Manage LAMP stack (Apache, PHP, MySQL).
- Deploy and administer RedHat Satellite for package management.
- Integrate Linux with Microsoft Active Directory .
- Configure and manage Postfix mail server .
- Troubleshoot networking and firewall issues.
- Use monitoring tools for performance tuning and system health checks .
- Document processes and collaborate effectively with cross-functional teams.
Must-Have Skills
- RHCE Certification
- Linux Administration (RHEL/CentOS)
- VMware
- Ansible (Automation)
- Python, Bash/Shell Scripting
- MySQL Administration
- Apache, PHP (LAMP stack)
- Networking fundamentals, firewalls
- Monitoring tools (Grafana, Prometheus, Splunk, Kibana, Dynatrace, AppDynamics)
- Strong communication & documentation
Additional Skills (Good to Have)
- Microsoft Active Directory integration
- Postfix mail package
- Kubernetes, Docker, Nginx, Tomcat, WebSphere, JBoss
- Cloud platforms (AWS, Azure, DevOps tools)
- Databases: PostgreSQL, MongoDB, Cassandra, Oracle, DB2, SQL Server
- ServiceNow (ITSM, ITOM), Jira, BMC Helix, Control-M
- BI/Analytics: PowerBI, Cognos, Crystal Reports
- Programming: Java, C, C#, C++, .NET, React, Angular, JavaScript
- ERP Testing (JDA, PoS, PLM, Infor LN, JDE, PeopleSoft)
Linux Administrator
Posted today
Job Viewed
Job Description
Linux Administrator
Posted today
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Job Description
Linux Administrator (DV Security Clearance)
Posted today
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Job Description
CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go.
This role offers an exciting opportunity to engage with groundbreaking technologies in a dynamic and rewarding environment. At CGI, we are deeply committed to the growth and development of our team members, offering extensive learning opportunities to help you stay at the forefront of an ever-evolving technology landscape. Our culture values innovation, collaboration, and ownership, making it an ideal environment for self-motivated individuals to thrive.
Our roles are only available if you hold a UK Security Clearance and are a sole UK National due to the secure nature of the project. You will either hold a higher level clearance or be willing to obtain it. Any individual without security clearance is welcome to apply and will always be considered for this or wider opportunities in CGI, where appropriate.
This role will require you to work on site in London 5x per week.
Your future duties and responsibilities
-Diagnosing and solutioning problems with the system in production and non-prodn- Increase the efficiency of system deployments, freeing up more time for development opportunitiesn- Assisting the client in their 'Journey to the cloud' understanding Hybrid cloud and migration strategiesn- Facilitate the journey from Isolated and zone based networks to "Zero Trust Implementation"
Required qualifications to be successful in this role
Minimum 2 years of hands-on experience as a Linux Systems Administrator, with proven expertise in managing and maintaining enterprise-grade Linux environments (e.g., Red Hat, CentOS, Ubuntu).
Strong knowledge of Linux command-line utilities, shell scripting (Bash, etc.), and system administration tasks including user and group management, file system permissions, software installations, and service configurations.
Experience in configuring and maintaining Linux servers, including performance tuning, system monitoring, patch management, and automation of routine tasks.
Familiarity with troubleshooting system issues, analysing logs, and performing root cause analysis for outages or performance degradation.
Working knowledge of networking concepts (e.g., TCP/IP, DNS, firewalls) in a Linux environment.
Experience with security hardening, user authentication, and compliance configurations for secure systems operation.
Exposure to cloud environments (e.g., AWS, Azure, GCP) or virtualised infrastructure (e.g., VMware, KVM) in a Linux context is advantageous.
Familiarity with infrastructure as code tools (e.g., Ansible, Terraform) or configuration management platforms is a plus.
#LI-JS2
Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…
You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
Come join our team—one of the largest IT and business consulting services firms in the world.n
Automotive Dealership Network Support Administrator
Posted 2 days ago
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Job Description
Network Support Administrator required to help support a European automotive retail network of car dealerships. By managing, maintaining and maximising the efficiency of the dealer network operations.
Requirements
Automotive Dealership Network administration experience.
Role
Administering contracts.
Reporting; MS Excel and CACI, including EU reports.
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System Administrator
Posted 7 days ago
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Job Description
JOB TITLE: System Administrator: Workforce Management (Maternity Cover)
REPORTING TO: CAFM Manager
LOCATION: Hybrid (minimum 3 days office based in North Greenwich, London with requirement to travel to Heathrow office as required), 40 hours per week, Mon-Fri 8am to 5pm
CONTRACT: Fixed-Term (Maternity Cover)
SALARY: TBC
If you require any additional support or adjustments during the recruitment process, please don't hesitate to contact our Recruitment Department at We're here to help!
ROLE OVERVIEW AND PURPOSE
This role primarily involves the administration and oversight of our Workforce Management (WFM) system, with a focus on the Time and Attendance functionality. As a system administrator, you will be responsible for the implementation, delivery and training of the software for new clients, ensuring a smooth onboarding experience.
You will also provide operational and technical support to the wider team, including troubleshooting issues and assisting with the day-to-day system queries.
You will also be expected to provide project administration support to project teams as required, assisting with the coordination of documents and tracking of project activities.
KEY RESPONSIBILITIES
- System Implementation and Configuration: Manage the set-up, configuration and rollout of the WFM software, ensuring alignment with business needs
- Technical Support and Troubleshooting: Provide hands-on support to users during and after implementation, resolving issues and escalating where necessary
- Stakeholder and Operational Support: Liaise with the wider teams, managers, front line server workers, HR, payroll and vendors to ensure timely delivery with operational support
- Workforce Scheduling and Compliance: Assist in the configuration scheduling rules, shift pattens and pay
- Reporting and Analytics: Generate and interpret workforce data reports to support HR and Payroll requirements and identify trends in attendance, overtime, productivity and annual leave
- User training and Documentation: support efforts by updating or creating user guides, FAQs and process flows. Provide training both in person and remotely
- Project Coordination Support: Assist with project teams with scheduling meetings, minute taking and maintaining project documentation
- Administrative Support: Support by preparing reports, updating logs and managing communication between stakeholders, helping maintaining clarity and momentum throughout the project lifecycle
REQUIRED SKILLS AND EXPERIENCE
- Proven experience in system administration or IT support roles, ideally within HR or Workforce management systems
- Familiar with HR and Payroll operational and system requirements
- Strong IT and Operational problem-solving skills and the ability to work independently
- Onboarding and Engagement: experience in guiding and managing onboarding new users and clients
- Excellent communication skills with a user focus approach
- Experience with handing data, system integration and user training
QUALIFICATIONS
- Workforce Management Expertise: 3+ years hands-on experience administrating workforce management systems, with a strong user focus mindset
- HR and Payroll Knowledge: solid understanding of HR and Payroll operations, including system requirements
- Technical Support and Troubleshooting: Demonstrated experience in IT Support roles, including diagnosing and resolving system issues
- Project Management Capability: Possesses a Project Management qualification (e.g., PRINCE2) or has a strong working knowledge of project management methodologies and tools.
- IT Service Management: Holds an ITIL certification or has a clear understanding of IT service delivery, incident management, and change control processes.
Benefits
We’re proud to offer a great range of benefits including:
- 24/7 GP: Both you and your immediate family can speak to a UK-based GP from the comfort of your own home
- Mental Health support and Life Event Counseling
- Get Fit Programme
- Financial and legal support
- Cycle to work scheme
- Access Perks at Work, our innovative employee app where you can find:
- Perks: discounts, gift cards, cashback, and exclusive offers
- Life: Search for resources and tools on topics ranging from family and life to health, money and work
- Support: Online chat or telephone service for urgent support in a crisis
For more information about ABM’s benefits, visit our
About ABM:
ABM (NYSE: ABM) is one of the world’s largest providers of integrated facility, engineering, and infrastructure solutions. Every day, over 100,000 team members deliver essential services that make spaces cleaner, safer, and efficient, enhancing the overall occupant experience.
ABM serves a wide range of market sectors including commercial real estate, aviation, mission critical, and manufacturing and distribution. With over $8 billion in annual revenue and a blue-chip client base, ABM delivers innovative technologies and sustainable solutions that enhance facilities and empower clients to achieve their goals. Committed to creating smarter, more connected spaces, ABM is investing in the future to meet evolving challenges and build a healthier, thriving world. ABM: Driving possibility, together.
For more information, visit .
ABM are committed to employment practices that promote diversity and inclusion in employment regardless of age, disability, gender reassignment, sex, marriage and civil partnership status, pregnancy and maternity status, race, religion or belief. We are proud members of the Armed Forces Covenant Employer Recognition Scheme.
OneStream System Administrator
Posted today
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Job Description
OneStream System Administrator
We are seeking an experienced OneStream System Architect & Administrator to lead the design, implementation, and management of a global financial performance management platform. This is a hybrid role combining strategic architecture with hands-on administration.
Responsibilities:
- Design and implement scalable OneStream solutions for consolidation, planning, and reporting.
- Manage platform administration including security, user access, upgrades, and performance monitoring.
- Develop and optimise data integrations with ERP/CRM systems.
- Configure applications, workflows, business rules, and marketplace solutions.
- Ensure compliance with financial and data security standards.
- Partner with Finance and IT teams, providing guidance, training, and support.
Skills & Experience:
- Proven OneStream administration and configuration experience.
- Strong knowledge of CPM/EPM concepts, financial consolidation, and planning.
- SQL/database skills (SQL Server preferred) and ETL/data integration experience.
- Familiarity with cloud environments (Azure, AWS) and multi-entity operations.
- Understanding of GAAP/IFRS and financial reporting processes.
What’s on offer:
- Competitive salary and benefits.
- Flexible hybrid working model.
- Career development and progression opportunities.
- Inclusive, collaborative culture that values diversity.