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The Senior DevOps & Systems Engineer will be responsible for the administration, reliability, security and continuous improvement of the TW Group infrastructure estate across both Linux and Microsoft environments. This is a hands‑on senior role for an experienced infrastructure engineer who is comfortable taking ownership of technical problems, investigating unfamiliar systems and delivering practical solutions with minimal supervision. The successful candidate will work closely with the Software Development Team, IT Operations and selected third‑party technology partners to support business‑critical infrastructure, development environments, databases, container platforms and deployment pipelines. The role will be expected to take ownership of day‑to‑day infrastructure operations while also improving automation, monitoring, resilience, documentation and disaster recovery capability across the wider IT estate. • Administration, maintenance and improvement of Linux and Microsoft server environments., • Provisioning and configuration of new virtual machines, servers, services and supporting infrastructure., • Deployment and configuration of applications and infrastructure components., • Monitoring the health, performance, availability and security of production and internal systems., • Investigating and resolving infrastructure incidents, performance issues and system failures., • Designing and implementing appropriate monitoring, alerting and logging for new and existing systems., • Managing and improving configuration automation using Ansible., • Supporting and administering containerised environments using Docker, CRI‑O and Kubernetes., • Managing Kubernetes clusters, workloads, services and associated infrastructure., • Administration and operational support of MySQL, Galera Cluster and Microsoft SQL Server environments., • 1 Building, maintaining and improving CI/CD pipelines., • Supporting software deployment and release processes in collaboration with the Development Team., • Maintaining system patching, upgrades, security configuration and vulnerability remediation., • Managing backup, recovery and disaster recovery processes., • Improving infrastructure resilience and reducing key‑person dependencies through documentation and cross‑training., • Reviewing existing infrastructure and recommending improvements where systems can be made more reliable, secure, maintainable or efficient., • Supporting infrastructure‑related security incidents and remediation activities., • Maintaining clear technical documentation covering systems, infrastructure, recovery procedures and operational processes., • Working with third‑party infrastructure and technology partners where specialist support is required., • Supporting the broader IT function where infrastructure, systems or operational responsibilities overlap., • 5+ years of professional experience in DevOps, Systems Administration, Infrastructure Engineering, Platform Engineering or a similar role., • Practical experience across both Linux and Microsoft server estates., • Proven experience managing infrastructure supporting business‑critical applications., • Experience taking ownership of complex technical problems with limited supervision., • Proven ability to investigate unfamiliar systems and determine appropriate solutions., • Experience improving infrastructure reliability, automation, security or operational efficiency., • Previous experience operating in a senior or highly autonomous engineering role, • Strong professional experience administering Linux server environments in production., • Strong understanding of Linux system administration, including: users and permissions system services package management networking storage and filesystems scheduled tasks logging performance management troubleshooting., • Experience provisioning and configuring servers and virtual machines from initial deployment through to production readiness., • Strong understanding of production infrastructure reliability, availability and operational support., • Experience with system patching, upgrades and lifecycle management., • Experience diagnosing complex infrastructure issues independently., • Strong experience with system, application and security monitoring., • Experience designing and implementing monitoring and alerting for new infrastructure and applications., • Ability to identify meaningful service health indicators and create appropriate alerts., • Strong understanding of: infrastructure security access control patch management vulnerability remediation system hardening logging auditing certificate management, • Experience responding to production incidents and security‑related infrastructure issues., • Strong understanding of backup, recovery and disaster recovery principles., • Experience documenting and testing disaster recovery procedures., • Strong working knowledge of Ansible. Experience using automation to manage: server configuration 3., • Application deployment package installation security configuration environment setup recurring operational tasks, • Ability to design reusable, maintainable and well‑documented automation., • Strong understanding of infrastructure automation and configuration management principles., • Experience with Infrastructure as Code concepts., • Strong experience with Docker and containerised workloads., • Experience with CRI‑O, containerd or comparable container runtimes., • Practical experience administering Kubernetes clusters in production or business‑critical environments., • Strong understanding of: deployments pods services ingress persistent storage secrets configuration resource allocation cluster networking availability monitoring troubleshooting, • Ability to independently deploy, troubleshoot and maintain applications within Kubernetes., • Experience supporting highly available containerised environments, • Strong experience administering MySQL environments., • Experience managing Galera Cluster or comparable highly available MySQL architectures., • Good understanding of: replication backup and restore performance, • monitoring database troubleshooting permissions and access upgrades clustering high availability failover disaster recovery, • Ability to investigate and resolve database performance and availability issues, • Experience administering Microsoft SQL Server / MSSQL environments., • Good understanding of: database backup and recovery, • permissions maintenance, • monitoring performance, • troubleshooting availability resilience, • Experience installing, configuring and maintaining Windows‑based servers and applications., • Experience with system monitoring, patching, security and operational support., • Strong understanding of Windows Server permissions, services and network configuration., • Ability to troubleshoot Windows infrastructure and application issues independently., • Experience supporting business‑critical Microsoft workloads., • Strong experience with CI/CD pipelines., • Experience designing, maintaining and troubleshooting automated deployment pipelines., • Understanding of build, test and production deployment processes., • Strong working knowledge of Git and modern source control workflows., • Experience supporting software developers with infrastructure and deployment requirements., • Ability to improve deployment reliability through automation and standardisation., • Experience supporting multiple development, staging and production environments, • Strong understanding of: TCP/IP DNS HTTP / HTTPS firewalls VPNs load balancing reverse proxies TLS / SSL certificates, • Experience administering web servers such as Nginx and Apache., • Understanding of highly available, multi‑server environments., • Ability to troubleshoot infrastructure issues across operating system, networking, database and application layers., • Experience working alongside external infrastructure or managed service providers, • Strong problem‑solving and diagnostic capability., • Comfortable being given an outcome or problem rather than a predefined technical solution., • Able to independently investigate, evaluate options and implement appropriate solutions., • Strong ownership mentality and willingness to take responsibility for systems through their full lifecycle., • Proactive approach to identifying operational risks before they become incidents., • Calm and methodical approach to production incidents and high‑pressure situations., • Strong attention to detail. Good communication skills with both technical and non‑technical stakeholders., • Ability to explain infrastructure risks and recommendations in practical business terms., • Previous experience supporting SAP environments., • Experience working with infrastructure hosting or supporting SAP application and database workloads., • Experience with Terraform or similar Infrastructure as Code tooling., • Experience with cloud infrastructure. Experience with centralised logging and observability platforms., • Experience with vulnerability management and security tooling., • Experience administering Redis or similar caching technologies., • Experience with highly available ecommerce or customer‑facing infrastructure., • Experience supporting infrastructure across multiple physical locations or datacentres., • Experience working in organisations subject to formal audit, governance or listed‑company control requirements., • Familiarity with broader Microsoft infrastructure and enterprise systems #J-18808-Ljbffr

Lead Air Conditioning Installation Engineer | Building Services | Portsmouth / Hampshire | £45,000–£49,000 + Paid Door-to-Door Travel + Overtime + Company Vehicle Installation-Focused Role | No On-Call | Supportive Team | Specialist Defence Projects An established Building Services contractor is looking for a Lead Air Conditioning Installation Engineer to deliver air conditioning and heat pump installations within defence and secure government environments. You will join experienced engineers and Project Managers in a supportive business where practical knowledge, teamwork and good workmanship are valued. Working closely with the AC Manager and senior supervisors, you will take ownership of installations while helping less experienced colleagues develop their skills. For an experienced Air Conditioning Installation Engineer who enjoys varied, technically interesting projects, this role combines hands-on installation with commissioning, handover and the coordination of work on site. Paid door-to-door travel and overtime are available, with no domestic work or on-call rota. The Opportunity As Lead Air Conditioning Installation Engineer, you will help organise and deliver installations, taking responsibility for workmanship, progress and the day-to-day activities of your team. Your responsibilities will include: Installing and commissioning split, multi-split and VRF/VRV systems. Interpreting drawings and installing associated pipework, containment and supports. Supporting the installation of controls and leak-detection systems. Organising materials, equipment and work for engineers, trainees and site labour. Maintaining safe working practices, installation quality and handover records. Coordinating with Project Managers, clients and other trades to maintain progress. Alongside your installation work, there will be scope to support site surveys and attend technical and manufacturer training. About You You will be an experienced Air Conditioning Installation Engineer with strong practical skills and the confidence to organise work, solve installation problems and support colleagues. We are looking for: NVQ Level 2/3 in Refrigeration and Air Conditioning, or an equivalent recognised qualification. F-Gas Category 1 certification. Strong practical experience installing commercial or industrial air conditioning systems. Installation experience with split, multi-split and VRF/VRV systems, with relevant heat pump experience. Confidence reading drawings and completing commissioning and handover activities. A full UK driving licence and willingness to travel and work away. Previous experience leading installations would be advantageous. Experienced installers ready to take on greater responsibility are also encouraged to apply. IPAF, PASMA, CSCS and First Aid qualifications would be useful. What's on Offer? £45,000–£49,000 basic salary, reflective of experience and responsibility. Paid door-to-door travel and overtime at applicable rates. Company vehicle and mobile phone. An installation-focused role with no on-call rota or domestic work. Technical and manufacturer training, with support for relevant qualifications. Scope for career development within a supportive engineering team. Location and Working Arrangements The company is based in South Hampshire, and applications are welcomed from engineers in Portsmouth and the surrounding area. This is a mobile role involving projects across the UK, working away where required and occasional overseas assignments. Applicants should be comfortable with these arrangements. Travel and working-away expectations will be discussed during an initial conversation. Applicants must hold a UK passport and be able to obtain the required security clearance. Interested? If you are an Air Conditioning Installation Engineer with commercial installation experience looking for varied technical projects, paid door-to-door travel and greater ownership of your work within a supportive team, please apply with your up-to-date CV or contact Rob Green at David Leslie Ltd for a confidential and informal discussion. Also suitable for: Lead Air Conditioning Engineer, Air Conditioning Installation Engineer, Senior Air Conditioning Engineer, Air Conditioning Installation Supervisor or HVAC Installation Engineer. TPBN1_UKTJ

Lead / Approved Electrician | Building Services | Portsmouth / Hampshire | £45,000–£49,000 + Paid Door-to-Door Travel + Overtime + Company Vehicle No Domestic Work | No On-Call | Supportive Team | Specialist Defence Projects An established Building Services contractor is looking for a Lead / Approved Electrician to join its electrical delivery team, working on installations within defence and secure government environments. You will join experienced engineers and Project Managers in a business where practical knowledge, teamwork and good workmanship are valued. This is an opportunity to remain hands-on while helping organise installations, supporting less experienced colleagues and taking responsibility for the quality of the finished work. For an Approved Electrician who enjoys varied, technically interesting installations, the role offers specialist projects, paid door-to-door travel and overtime, with no domestic work or on-call rota. The Opportunity As Lead / Approved Electrician, you will combine electrical installation, inspection and testing with the day-to-day coordination of work on your allocated projects. Your responsibilities will include: Installing and modifying low-voltage electrical systems, controls and associated equipment. Working on electrical installations, upgrades and associated building services work within operational defence facilities and secure government environments. Interpreting drawings, specifications and installation requirements. Organising daily activities and supporting electricians, apprentices and other team members. Carrying out inspection, testing, certification and associated remedial work. Coordinating material requirements and reporting progress or site issues. Maintaining safe working practices, accurate records and clear communication with other trades. You will work closely with Project Managers and supervisors, helping take installations from initial site activities through to testing and completion. There will also be opportunities to contribute practical information to site surveys and quotations. About You You will be an experienced Approved Electrician with strong installation and testing skills, comfortable taking responsibility for your work and working collaboratively with others. We are looking for: NVQ Level 3 in Electrical Installation. AM2 and a recognised electrical apprenticeship or equivalent qualification pathway. A valid ECS grade card and Level 3 Inspection and Testing qualification. Electrical installation experience in non-domestic environments. Sound knowledge of BS 7671, electrical drawings and safe working practices. A full driving licence and willingness to travel and work away. Previous experience leading electrical work or supervising a small team would be useful. Experienced Approved Electricians ready to take on greater responsibility are also encouraged to apply. What's on Offer? £45,000–£49,000 basic salary, reflective of experience and responsibility. Paid door-to-door travel and overtime at applicable rates. Company vehicle and mobile phone. No on-call rota or domestic work. Training, professional development and support for relevant qualifications. Scope to develop within a supportive engineering team. Location and Working Arrangements The company is based in South Hampshire, and applications are welcomed from electricians in Portsmouth and the surrounding area. This is a mobile role involving projects across the UK, working away where required and occasional overseas assignments. Applicants should be comfortable with these arrangements. Travel and working-away expectations will be discussed during an initial conversation. Applicants must hold a UK passport and be able to obtain the required security clearance. Interested? If you are an Approved Electrician with strong installation and testing experience looking for varied technical work, paid door-to-door travel and the opportunity to take greater responsibility within a supportive team, please apply with your up-to-date CV or contact Rob Green at David Leslie Ltd for a confidential and informal discussion. Also suitable for: Lead Electrician, Electrical Working Supervisor, Installation Electrician or Electrical Installation and Testing Engineer. TPBN1_UKTJ

Small Works Engineer (TECS, Fire & Security) Secureshield, part of the Ranger Group Competitive Salary – Based on Experience Join Our Growing Team Secureshield is growing fast as part of the wider Ranger Group, and we're looking for a motivated Small Works Engineer who wants to be part of somethin

You will also assist with traffic management and parking enforcement, carry out routine checks of security equipment, and manage key holding duties including locking and unlocking facilities. It's your opportunity to step into a role as a Security Officer where your potential is recognised, your c

Why Engineers Choose Us £35K–£45K depending on experience and capability Flexible working hours On call travel door to door Finders fee up £1,000 per referral Fully expensed van + mobile phone + laptop Private health insurance & life insurance 25 days holiday + bank holidays (and you can buy mo

We sort bastion security services jobs with better pay, shorter commutes and sooner starts in mind.

DXC Technology in Hampshire is seeking a Security Engineer (Scrum) to lead security architecture and DevSecOps integration across cloud and hybrid environments. The role requires 7+ years in cybersecurity and UK residency eligibility. The successful candidate will collaborate with MOD accreditors an

Why Engineers Choose Us · £35K–£45K depending on experience and capability · Flexible working hours · On call travel door to door · Finders fee up £1,000 per referral · Fully expensed van + mobile phone + laptop · Private health insurance & life insurance · 25 days holiday + bank holiday

Professional Certifications: Mandatory senior security certification: CISSP (Certified Information Systems Security Professional) or CISM (Certified Information Security Manager); supplementary cloud security certification (e. Professional Experience: 7+ years’ experience in cybersecurity, secure

The focus of this role is on the "how" of security delivery—ensuring processes are followed consistently and standards are met—rather than on the technical engineering of security systems. Operational assurance and compliance: Act as the primary security subject matter expert for all physical se

Strong knowledge of JD Edwards EnterpriseOne security architecture and security workbench functionality, including UDO security. Training or certification in ALLOut Security for JD Edwards, including security reporting, user provisioning, role management and segregation‑of‑duties analysis. Admin

HSBC Global Services Limited is seeking a Security Research Lead to drive CROS security research projects across a broad range of technologies. The successful candidate will have a proven track record in security research, vulnerability discovery, exploit development and experience with AI/GenAI sec

TOGAF and/or SABSA certification CISSP certification (or equivalent) Deep technical expertise across multiple security domains: identity & access management, boundary/perimeter security, cloud security, endpoint security, network security and secure platform architectures. The role requires deep tec

Amazon is seeking a Software Development Engineer to join its Security team in the United Kingdom. You will lead the technical vision and architecture for security systems that help developers build secure software and protect customer data. The role involves building a new product that synthesizes

PCI Pharma Services is seeking a Sr. JD Edwards User Security & CNC Administrator to join our global team in a remote capacity. The role focuses on day-to-day administration, maintenance, and governance of user access and security within the JD Edwards EnterpriseOne environment, ensuring least-privi

Support business continuity, crisis, and security management teams, including as needed outside typical work hours during security incidents and emerging crises. Come join an innovative team that delivers tailored products and services for the customer.

Senior Cyber Security Consultant to advise financial services clients on security strategies and regulatory readiness. Ideal candidates will possess over five years of cyber security experience and a strong grasp of security architecture.

Mandatory senior security certification: CISSP (Certified Information Systems Security Professional) or CISM (Certified Information Security Manager); supplementary cloud security certification (e. Security Architecture: Lead the design and implementation of robust security controls, identity manage

The role requires critical thinking, deep-dive analysis, and the ability to manage multiple requests in a fast-paced environment with strong attention to detail.The ideal candidate will collect and interpret complex data, identify threats, and produce strategic analyses and briefs for senior stakeho

A leading global financial services organisation is seeking a Cloud Security Engineer to join their cybersecurity team. You will need strong expertise in AWS cloud services, along with solid understanding of security principles. This role involves designing and building secure backend services and m

Eligible candidates will have CISSP or CISM and cloud security certifications, with a strong foundation in cryptographic risk and national security compliance. DXC Technology is seeking a Security Engineering Lead to drive secure architectures and governance across cloud and hybrid environments. The

Ensure that all Security Services personnel are operating and performing their duties according to the Site Job Description. Lead and manage the on-site training and recruitment functions of Security Services personnel to ensure that the Clients operational needs are met. Conduct quality risk assess

You will drive the tech refresh and evergreen strategy for security tools, ensuring alignment with evolving threats, client policies, and cross-domain architectural patterns. DXC Technology is seeking a Technical Security Architect in the United Kingdom, on-site in Hampshire. The role focuses on des

Why Amazon Security At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. About the team This team will work with local and international security teams to design a greenfield product that solves the complex problem of rapidly knowing critical s

Will be required perform hands on security research on software and hardware technology, critical to HSBC’s services. Work with key stakeholders to proactively drive the reduction in Cybersecurity risks and to improve the security risk posture of HSBC within the business risk appetite. AI LLM / Ge

Knowledge in one or more areas such as cloud security, OT/IoT security, network security, infrastructure security, security architecture or digital security. Embed into interdisciplinary client teams as a cyber security SME, providing authoritative advice and guidance on the design, application/impl

A global data centre services provider is seeking a Senior Security Operations Specialist to oversee physical security operations across multiple data centres. The ideal candidate will have over 6 years of experience managing security in a multi-country environment and will be responsible for ensuri

The role covers audits, risk assessments, security reviews, and remote-access governance, ensuring safe, reliable operations across group assets. Sembcorp is seeking an Assistant Manager for IT & OT cybersecurity to lead governance, risk and assurance across IT and OT environments within energy asse

Conduct or coordinate cybersecurity risk assessments, control reviews, vulnerability reviews, and security assessments covering IT systems, applications, infrastructure, cloud services, OT systems, and digitalization initiatives. Support security assessments for new projects, major system changes, r

We are appointing professionals who already hold formal UK Cyber Security Council (UKCSC) registration in Security Architecture at Principal or Chartered level, to join our associate panel and support the assessment and advisory of large, complex organisations. Current UK Cyber Security Council (UKC

Knowledge in one or more areas such as cloud security, OT/IoT security, network security, infrastructure security, security architecture or digital security. Embed into interdisciplinary client teams as a cyber security SME, providing authoritative advice and guidance on the design, application/impl

Kingdom Services Group are currently recruiting for a Sales Director - Security Solutions & Cleaning to join our growing business. Reporting directly to the Group Directors, you will take ownership of driving sales growth across Kingdom's Security Solutions and Cleaning divisions. Developing and del

Intelance is recruiting experienced security architects to join its associate panel on project-based work for large, regulated organisations.

Kingdom Services Group is seeking a strategic Sales Director for Security Solutions and Cleaning to lead the national sales effort across the UK. The role requires a proven sales leadership background in security, cleaning or facilities management, with a track record of securing profitable new busi

Hands‑on experience with security technologies such as Network Security, firewalls, NDR, IDS/IPS, or cloud security tools. Strong experience in network security, cybersecurity, or infrastructure engineering. Professional Services Engineer – Network Security Vendor.

BT Group is recruiting for a Director, Cyber Security & Fraud | Financial Services to shape cyber and fraud resilience for financial institutions. Based in the UK with a hybrid working model, the role offers senior leadership opportunities, competitive benefits, and a path to influence market-leadin