28 System Administrators jobs in the United Kingdom

Network Administrator (DevOps)

The Role:

The Network Administrator will be responsible for the day-to-day management and support of the network, systems, and servers for the company. This is a crucial role in ensuring the network infrastructure is optimised for performance and resilience, and mentoring support staff in network infrastructure best practice. The role combines hands-on support whilst contributing to the improvement of key systems.  There is an opportunity for this role to develop into a full time DevOps supporting the product pipeline.

Network Administrator Responsibilities:

• Maintain, support, and develop servers, and applications
• Implement procedures for reliable backup and restoration and security controls (e.g. anti-virus software)
• Develop and manage network monitoring and security processes
• Coordinate and implement upgrades in accordance with service commitments
• Proactively monitor resources to predict and prevent capacity issues
• Support system maintenance, security checks, and oversee backup procedures
• Maintain Active Directory, adhering to data protection and retention policies
• Manage documentation and change control processes for, servers, and applications
• Contribute to strategic planning for future IT requirements aligned with company growth and compliance needs (e.g. ISO27001, GDPR, DCC)
• Actively promote team values and adhere to all relevant company policies

DevOps Responsibilities:

• Implement and manage DevOps pipelines for AI and computer vision products
• Integrate MLOps practices for data versioning, experiment tracking and model deployment
• Collaborate with the Technology team to ensure DevOps workflows accelerate product delivery and support
• Ensure strong data management, storage and backup solutions, including support for high volume sensor data
• Implement secure update and patching mechanisms for distributed field deployed systems
• Specify IT hardware and software for procurement

Essential Skills:

• Strong knowledge of IT infrastructure, networking, security and compliance frameworks
• Experience in managing, servers, systems and applications
• Hands on expertise in Linux systems administration
• Knowledge of Windows server management, Active Directory, DNS, MS Exchange
• Experience managing firewall configuration and enterprise anti-virus software
• Experience in managing and maintaining VMware (Hypervisor)
• Service-oriented with effective communication skills
• Ability to prioritize workload under minimal supervision
• Undergraduate degree or equivalent working experience

Desirable Skills:

• Experience with DevOps practices including:
  • CI/CD pipeline design and automation
  • Containerisation and orchestration 
  • Monitoring and observability tools
• Experience in the defence or advanced technology sector
• Familiarity with GPU based computer environments
• Familiarity with MLOps and associated tooling
• Familiarity with data pipelines
• Familiarity with Infrastructure as Code
• Familiarity with security integration in DevOps i.e. DevSecOps

Essential Tools:

• Ubuntu and Red Hat Linux
• Windows 365 environment

Desirable Tools:

• Alpine Linux
• Gitlab CI, Jenkins
• Docker, Kubernetes
• Terraform, Ansible
• Additional tools as required

Benefits:

• Annual Company Bonus – Based on company performance
• 25 Days holiday not including bank holidays with the option to buy/sell up to 5 days
• Flexible hybrid working arrangements
• Continuous professional development including incentives
• Access to online Udemy training facility to support grade specific learning pathways
• Electric car scheme
• Bike to work scheme
• Private health care (BUPA)
• Job well done scheme
• Employer assistance scheme

About Us:

Synoptix was formed in 2011 to provide engineering solutions across various technical industries. We have evolved from a company established and focussed on Systems Thinking principles into an Engineering company providing solutions and services across three key capabilities: Systems, Cyber & InfoSec and Technology. What makes us stand out is how we engage in the crossover areas between these disciplines, combining our strengths to provide a truly bespoke, market leading approach. Our engineering competence is bolstered by expertise in commercial, legal, financial and resource, thereby ensuring that we uphold excellence in our product and service offerings.

Please note that due to the nature of our projects we can only accept Sole UK National candidates who will need to be eligible to obtain UK Security Clearance.

By applying to this position, you are confirming that you consent to the retention of your personal data. Your data is held securely on our own premises and under the terms of the Data Protection Act (2018). It will be treated as confidential, and will not be transferred to any third party, or to any other jurisdiction without your consent. We will not hold any data for any longer than is necessary for us to fulfil our obligations and will remove any data at your written request.

• Designing, installing, configuring, and maintaining network hardware and software.
• Monitoring network performance and ensuring high availability and reliability.
• Troubleshooting network issues and providing timely resolution.
• Implementing and managing network security measures to protect against threats.
• Administering network services such as DNS, DHCP, and VPNs.
• Managing firewall configurations and ensuring compliance with security policies.
• Developing and maintaining network documentation, including diagrams and configurations.
• Providing remote technical support to end-users for network-related issues.
• Evaluating and recommending new network technologies and solutions.
• Participating in capacity planning and network infrastructure upgrades.

• Design, implement, manage, and support the company's local area networks (LANs), wide area networks (WANs), and wireless networks.
• Ensure the availability, performance, and security of all network infrastructure.
• Configure, monitor, and troubleshoot network devices, including routers, switches, firewalls, and load balancers.
• Develop and implement network security policies and procedures, including intrusion detection and prevention systems.
• Manage IP addressing, network segmentation, and VPN configurations.
• Perform regular network performance analysis and capacity planning to ensure scalability.
• Respond to and resolve network-related incidents and service requests in a timely manner.
• Document network configurations, topology, and procedures.
• Stay current with emerging network technologies and security threats, recommending upgrades and improvements.
• Collaborate with other IT teams to integrate network infrastructure with other systems.
• Provide technical guidance and support to junior IT staff.
• Manage network hardware and software inventory and vendor relationships.

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Minimum of 7 years of experience in network administration and engineering.
• Proficiency in network protocols such as TCP/IP, BGP, OSPF, and EIGRP.
• Hands-on experience with network hardware from major vendors (e.g., Cisco, Juniper, HP).
• Strong understanding of network security principles, including firewalls, VPNs, and intrusion detection/prevention systems.
• Experience with network monitoring tools (e.g., SolarWinds, PRTG) and packet analysis tools (e.g., Wireshark).
• Relevant certifications such as CCNA, CCNP, CompTIA Network+ or Security+ are highly desirable.
• Excellent problem-solving, analytical, and troubleshooting skills.
• Strong written and verbal communication skills, with the ability to explain technical concepts clearly.
• Proven ability to work independently and manage time effectively in a remote work environment.
• Experience with cloud networking (AWS, Azure) is a plus.

Sanderson Government and Defence are supporting a significant commercial partner of the UK government in their search for Network Engineers to join their Tewkesbury based team supporting a central government organisation.

We require individuals to be eligible for DV clearance for this role, however we can typically have people starting at a lower level of clearance, so there should be no additional.

WHJS1_UKTJ

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.

System Admin (eDV Clearance)
Remote
60,000 - 70,000 + Clearance Bonus + Yearly Bonus + Training + Progression + Company Benefits
Are you a System Admin or similar that has active eDV clearance that wants to work for the tech worlds global leader that helped put a man on the moon?
Do you want to work for an industry leader that has some of the industries most exciting and top secret projects?
This business is one of the most recognisable 3 letter tech giants that has a un-paralleled training and progression, personal development funds and full access to their certification and qualifications courses which are recognised globally.
On offer is a fantastic package, best in class training from industry experts and an exciting pipeline of projects to sharpen your skills.
This role would suit a System Admin with active eDV (Enhanced Developed Vetting Security Clearance) that wants to work on the tech industries most complex and technical challenges.
THE ROLE:

• Work from home and secure sites in your local area
• Work collaboratively with other team members on System Admin activities
• Demonstrate clean digestible data sets
• Solve complex technical challenges

THE PERSON:

• System Admin experience
• eDV Clearance that is active

Reference: BBBH21985

Keywords: System Admin, BA, Business Analyst, Remote, Hybrid, eDV, Enhanced Developed Vetting, Security Cleared, MoD,

If you are interested in this role, click 'Apply Now' to forward an up-to-date copy of your CV.

We are an equal opportunities employer and welcome applications from all suitable candidates. The salary advertised is a guideline for this position. The remuneration offered will be dependent on the extent of your experience, qualifications, and skill set.

System Admin (eDV Clearance)
Remote
60,000 - 70,000 + Clearance Bonus + Yearly Bonus + Training + Progression + Company Benefits
Are you a System Admin or similar that has active eDV clearance that wants to work for the tech worlds global leader that helped put a man on the moon?
Do you want to work for an industry leader that has some of the industries most exciting and top secret projects?
This business is one of the most recognisable 3 letter tech giants that has a un-paralleled training and progression, personal development funds and full access to their certification and qualifications courses which are recognised globally.
On offer is a fantastic package, best in class training from industry experts and an exciting pipeline of projects to sharpen your skills.
This role would suit a System Admin with active eDV (Enhanced Developed Vetting Security Clearance) that wants to work on the tech industries most complex and technical challenges.
THE ROLE:

• Work from home and secure sites in your local area
• Work collaboratively with other team members on System Admin activities
• Demonstrate clean digestible data sets
• Solve complex technical challenges

THE PERSON:

• System Admin experience
• eDV Clearance that is active

Reference: BBBH21985

Keywords: System Admin, BA, Business Analyst, Remote, Hybrid, eDV, Enhanced Developed Vetting, Security Cleared, MoD,

If you are interested in this role, click 'Apply Now' to forward an up-to-date copy of your CV.

We are an equal opportunities employer and welcome applications from all suitable candidates. The salary advertised is a guideline for this position. The remuneration offered will be dependent on the extent of your experience, qualifications, and skill set.

System Admin (eDV Clearance)
Remote
£60,000 - £70,000 + Clearance Bonus + Yearly Bonus + Training + Progression + Company Benefits
Are you a System Admin or similar that has active eDV clearance that wants to work for the tech worlds global leader that helped put a man on the moon?
Do you want to work for an industry leader that has some of the industries most exciting and top secret projects?
Thi.

WHJS1_UKTJ