18 System Administrator jobs in the United Kingdom

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 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

**Introduction**
At IBM CIC, we deliver deep technical and industry expertise to a wide range of public and private sector clients in the UK.
A career in IBM CIC means you'll have the opportunity to work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio.
Curiosity and a constant quest for knowledge serve as the foundation to success here. You'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients, whom may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.
We offer:
* Many training opportunities from classroom to e-learning, mentoring and coaching programs and the chance to gain industry recognized certifications
* Regular and frequent promotion opportunities to ensure you can drive and develop your career with us
* Feedback and checkpoints throughout the year
* Diversity & Inclusion as an essential and authentic component of our culture through our policies and process as well as our Employee Champion teams and support networks
* A culture where your ideas for growth and innovation are always welcome
* Internal recognition programs for peer-to-peer appreciation as well as from manager to employees
* Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme
* More traditional benefits, such as 25 days holiday (in addition to public holidays), online shopping discounts, an Employee Assistance Program, a group personal pension plan of an additional 5% of your base salary paid by us monthly to save for your future.
* Opportunity to work on cutting-edge AI projects and contribute to the development of our AI Lab platform.
* Collaborative and dynamic work environment.
* Professional growth and development opportunities.
If you're a motivated and experienced System Administrator looking for a new challenge, we'd love to hear from you!
**Your role and responsibilities**
We're seeking an experienced Infrastructure Specialist - System Administrator to join our AI Lab team. As a key member of our infrastructure team, you'll be responsible for designing, building, and maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components.
Key Responsibilities:
* Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components.
* Design, build, and maintain infrastructure and configuration as code using tools like Ansible and Terraform.
* Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers.
* Ensure the security and integrity of our systems against cybersecurity threats.
* Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security, and infrastructure problems.
* Install and configure databases such as MYSQL, MSSQL, PostgreSQL, and others.
* Implement load balancing and CDN solutions using multiple cloud vendors (e.g., Azure Load Balancer and Application Gateway).
* Support the installation and maintenance of a logging cluster using Logstash, ElasticSearch, and Kibana.
* Perform initial analysis on incidents and escalate issues to the appropriate support level when necessary.
* Manage Application ID and provide cloud elasticity by auto-scaling resources based on business requirements.
* Ensure Disaster Recovery (DR) and manual redundancy failover capabilities.
* Provide regular service management reports to keep clients informed.
* Follow ITIL processes and Integrated Service Level Management best practices.
**Required technical and professional expertise**
* Strong experience in system administration, infrastructure management, and cloud computing.
* Proficiency in infrastructure as code tools like Ansible and Terraform.
* Experience with DevOps practices and tools.
* Strong knowledge of load balancing, CDN options, and cloud vendors (e.g., Azure).
* Experience with database administration (MYSQL, MSSQL, PostgreSQL, etc.).
* Familiarity with containerization (e.g., Docker) and orchestration (e.g., Kubernetes).
* Strong troubleshooting and problem-solving skills.
* Experience with ITIL processes and service management. Excellent communication and reporting skills.
**Preferred technical and professional experience**
* Experience with AI/ML workloads and infrastructure.
* Knowledge of cybersecurity best practices and threat mitigation.
* Familiarity with multiple cloud vendors (e.g., AWS, GCP, Azure).
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

**Introduction**
At IBM CIC, we deliver deep technical and industry expertise to a wide range of public and private sector clients in the UK.
A career in IBM CIC means you'll have the opportunity to work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio.
Curiosity and a constant quest for knowledge serve as the foundation to success here. You'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients, whom may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.
We offer:
* Many training opportunities from classroom to e-learning, mentoring and coaching programs and the chance to gain industry recognized certifications
* Regular and frequent promotion opportunities to ensure you can drive and develop your career with us
* Feedback and checkpoints throughout the year
* Diversity & Inclusion as an essential and authentic component of our culture through our policies and process as well as our Employee Champion teams and support networks
* A culture where your ideas for growth and innovation are always welcome
* Internal recognition programs for peer-to-peer appreciation as well as from manager to employees
* Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme
* More traditional benefits, such as 25 days holiday (in addition to public holidays), online shopping discounts, an Employee Assistance Program, a group personal pension plan of an additional 5% of your base salary paid by us monthly to save for your future.
* Opportunity to work on cutting-edge AI projects and contribute to the development of our AI Lab platform.
* Collaborative and dynamic work environment.
* Professional growth and development opportunities.
If you're a motivated and experienced System Administrator looking for a new challenge, we'd love to hear from you!
**Your role and responsibilities**
We're seeking an experienced Infrastructure Specialist - System Administrator to join our AI Lab team. As a key member of our infrastructure team, you'll be responsible for designing, building, and maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components.
Key Responsibilities:
* Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components.
* Design, build, and maintain infrastructure and configuration as code using tools like Ansible and Terraform.
* Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers.
* Ensure the security and integrity of our systems against cybersecurity threats.
* Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security, and infrastructure problems.
* Install and configure databases such as MYSQL, MSSQL, PostgreSQL, and others.
* Implement load balancing and CDN solutions using multiple cloud vendors (e.g., Azure Load Balancer and Application Gateway).
* Support the installation and maintenance of a logging cluster using Logstash, ElasticSearch, and Kibana.
* Perform initial analysis on incidents and escalate issues to the appropriate support level when necessary.
* Manage Application ID and provide cloud elasticity by auto-scaling resources based on business requirements.
* Ensure Disaster Recovery (DR) and manual redundancy failover capabilities.
* Provide regular service management reports to keep clients informed.
* Follow ITIL processes and Integrated Service Level Management best practices.
**Required technical and professional expertise**
* Strong experience in system administration, infrastructure management, and cloud computing.
* Proficiency in infrastructure as code tools like Ansible and Terraform.
* Experience with DevOps practices and tools.
* Strong knowledge of load balancing, CDN options, and cloud vendors (e.g., Azure).
* Experience with database administration (MYSQL, MSSQL, PostgreSQL, etc.).
* Familiarity with containerization (e.g., Docker) and orchestration (e.g., Kubernetes).
* Strong troubleshooting and problem-solving skills.
* Experience with ITIL processes and service management. Excellent communication and reporting skills.
**Preferred technical and professional experience**
* Experience with AI/ML workloads and infrastructure.
* Knowledge of cybersecurity best practices and threat mitigation.
* Familiarity with multiple cloud vendors (e.g., AWS, GCP, Azure).
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

**Introduction**
At IBM CIC, we deliver deep technical and industry expertise to a wide range of public and private sector clients in the UK.
A career in IBM CIC means you'll have the opportunity to work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio.
Curiosity and a constant quest for knowledge serve as the foundation to success here. You'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients, whom may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.
We offer:
* Many training opportunities from classroom to e-learning, mentoring and coaching programs and the chance to gain industry recognized certifications
* Regular and frequent promotion opportunities to ensure you can drive and develop your career with us
* Feedback and checkpoints throughout the year
* Diversity & Inclusion as an essential and authentic component of our culture through our policies and process as well as our Employee Champion teams and support networks
* A culture where your ideas for growth and innovation are always welcome
* Internal recognition programs for peer-to-peer appreciation as well as from manager to employees
* Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme
* More traditional benefits, such as 25 days holiday (in addition to public holidays), online shopping discounts, an Employee Assistance Program, a group personal pension plan of an additional 5% of your base salary paid by us monthly to save for your future.
* Opportunity to work on cutting-edge AI projects and contribute to the development of our AI Lab platform.
* Collaborative and dynamic work environment.
* Professional growth and development opportunities.
If you're a motivated and experienced System Administrator looking for a new challenge, we'd love to hear from you!
**Your role and responsibilities**
We're seeking an experienced Infrastructure Specialist - System Administrator to join our AI Lab team. As a key member of our infrastructure team, you'll be responsible for designing, building, and maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components.
Key Responsibilities:
* Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components.
* Design, build, and maintain infrastructure and configuration as code using tools like Ansible and Terraform.
* Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers.
* Ensure the security and integrity of our systems against cybersecurity threats.
* Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security, and infrastructure problems.
* Install and configure databases such as MYSQL, MSSQL, PostgreSQL, and others.
* Implement load balancing and CDN solutions using multiple cloud vendors (e.g., Azure Load Balancer and Application Gateway).
* Support the installation and maintenance of a logging cluster using Logstash, ElasticSearch, and Kibana.
* Perform initial analysis on incidents and escalate issues to the appropriate support level when necessary.
* Manage Application ID and provide cloud elasticity by auto-scaling resources based on business requirements.
* Ensure Disaster Recovery (DR) and manual redundancy failover capabilities.
* Provide regular service management reports to keep clients informed.
* Follow ITIL processes and Integrated Service Level Management best practices.
**Required technical and professional expertise**
* Strong experience in system administration, infrastructure management, and cloud computing.
* Proficiency in infrastructure as code tools like Ansible and Terraform.
* Experience with DevOps practices and tools.
* Strong knowledge of load balancing, CDN options, and cloud vendors (e.g., Azure).
* Experience with database administration (MYSQL, MSSQL, PostgreSQL, etc.).
* Familiarity with containerization (e.g., Docker) and orchestration (e.g., Kubernetes).
* Strong troubleshooting and problem-solving skills.
* Experience with ITIL processes and service management. Excellent communication and reporting skills.
**Preferred technical and professional experience**
* Experience with AI/ML workloads and infrastructure.
* Knowledge of cybersecurity best practices and threat mitigation.
* Familiarity with multiple cloud vendors (e.g., AWS, GCP, Azure).
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

System Administrator - OCONUS (clearance sponsorship)
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular-Long Term Assignment
Percentage of Travel Required: Up to 10%
Type of Travel: Outside Continental US
* * *
CACI has an opportunity for an experienced Linux Systems Administrator to join our team in Southeast Asia. This non-hostile OCONUS TDY assignment. As a Linux Systems Administrator, you will be part of an elite OCONUS team supporting mission critical systems. Work is in a US and non-US environment and requires sensitivity to cultural differences as well as the ability to seek out assistance from local and non-local SMEs. The Linux Systems Administrator will mentor junior level Systems and Network Administrators and demonstrate solid troubleshooting experience.
**What You'll Get to Do:**
+ Configure Dell server hardware including Dell PowerEdge RAID controllers
+ Install, configure and maintain Linux server
+ Install, configure and maintain Windows server, workstation
+ Install, configure and maintain Dell PowerVault Tape Backup library, NetBackup software
+ Install, configure and maintain office printers, including Multi Function Devices
+ Provide Tier 1 and 2 support: manage accounts, file/folder, direct customer assistance with desktop applications
+ Install, configure and maintain Cisco routers with provided diagrams and cut-sheets
+ Maintain Foundry switches
+ Install, configure and maintain customer specific network devices*
+ Create and maintain documentation to include Visio diagrams
+ Read provided network diagrams and cut-sheets, identify documentation errors and make corrections
+ Assist SMEs in the installation, configuration and maintenance of fielded systems
**You will bring these qualifications:**
+ Bachelor's degree in a technical discipline and 5 years of related experience. Additional experience may be substituted for degree.
+ Five (5) years of experience in in Systems and Network Administration
+ Must possess and **Active** **TS/SCI poly clearance**
-
**___**
**What You Can Expect:**
**A culture of integrity.**
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
**An environment of trust.**
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
**A focus on continuous growth.**
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
**Your potential is limitless.** So is ours.
Learn more about CACI here. ( Range** : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here ( .
The proposed salary range for this position is:
$82,700 - 173,900 USD
_CACI is_ _an Equal Opportunity Employer._ _All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any_ _other protected characteristic._

Overview
**Your Future at M.C. Dean**
We're seeking people driven to excellence and inspired to have a meaningful impact powering, automating, integrating, and securing the world's most critical infrastructure and facilities. This translates into fulfilling opportunities for employees driven to excel in a meaningful career. As an employee at M.C. Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability. Together, we transform the way complex, large-scale systems are designed, delivered, and sustained-enhancing client outcomes, improving lives, and changing the world for the better.
We are seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets.
Responsibilities
In this role you will be responsible for monitoring, maintaining and testing of Physical Access Control, CCTV, PSIM and Integrated Electronic Systems.
+ This position is maintained at a single on-site work location.
+ Candidates must be flexibility in schedule, neat in appearance, able to communicate professionally with customers and coworkers.
Responsibilities include but are not limited to:
+ Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success in this role.
+ Manage physical security system support to meet service level agreements.
+ Analyze physical security system performance and recommend improvements.
+ Resolve complex system issues for physical security systems and networks.
+ Triage customer support calls, providing Tier 1 help desk support and Tier 2 escalation.
+ Communicate with customers, manufacturers, vendors, and technical specialists.
+ Train system users and other system support personnel.
+ Analyze and modify preventive maintenance checklists for system changes.
+ Troubleshoot system performance issues and implement corrective actions.
+ Perform preventive maintenance actions including system back-ups, error log reviews, database size, and integrity checks.
+ Organize and prepare detailed documentation of system performance, including service request records and analysis.
+ Perform desktop hardware and operating system set-up, imaging software loading, and antivirus updates.
+ Perform all duties with minimal direct supervision.
Qualifications
**Clearance/Citizen Type:** Applicants selected will be subject to a government security investigation and may meet eligibility requirements.
**Education:**
+ 2+ Years of Experience with a Bachelor's Degree in Information Technology, Risk Management, Cybersecurity preferred
+ 6+ Years of Experience with an Associate's Degree in Information Technology, Risk Management, Cybersecurity preferred
+ 8+ Years of Experience with a High School Diploma
**Required Progressive Experience:**
+ Requires system administrator experience in performing triage on system problems, resolving the system. problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
+ Requires an understanding of Windows patching and vulnerability remediation.
+ Requires a basic knowledge of Windows active directory hierarchy and implementation.
+ Requires a basic knowledge of large scale networking, VLANS and routing.
+ Requires reliable attendance at customer site during work hours required by customer.
+ Requires the ability to work flexible shifts that may include occasional nights, weekends and holidays
+ Requires a Security + Certification
**Desired / Advantageous Qualifications:**
+ CertificationExperience in CCure 9000 Access Control System desired.
+ CASP certification, or CISSP certification.
+ CertificationExperience in AMAG Access Control System desired.
+ CertificationExperience in BOSCH BVMS desired.
+ Microsoft SQL Server Query writing and management experience desired.
+ Experience troubleshooting and maintaining Microsoft Server (2012, 2016) desired.
+ Installation and configuration of operating system software (i.e. Win10/ Win Server 2016) experience desired.
+ Experience programming/administrating Access Control Systems of any type desired.
+ Experience with installation, troubleshooting, and testing of security electronics equipment desired.
**What we offer:**
+ A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.
+ An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
+ Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
+ Open and transparent communication with senior leadership as well as local office management.
**We offer an excellent benefits package including:**
+ A competitive salary
+ Medical, dental, vision, life, and disability insurance
+ Paid time off
+ Tuition reimbursement
+ 401k Retirement Plan
+ Military Reserve pay offset
+ Paid maternity leave
**Abilities:**
+ Exposure to computer screens for an extended period of time.
+ Sitting for extended periods of time.
+ Reach by extending hands or arms in any direction.
+ Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
+ Listen to and understand information and ideas presented through spoken words and sentences.
+ Communicate information and ideas in speaking so others will understand.
+ Read and understand information and ideas presented in writing.
+ Apply general rules to specific problems to produce answers that make sense.
+ Identify and understand the speech of another person.