Senior Infrastructure Engineer
Sixworks
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Benefits offered by this job
Job summary
Qualifications
- Must have UK security clearance eligibility.
- Technical expertise in maintaining and improving secure environments.
- Knowledge of automation/scripting for provisioning and patching.
- Understanding of cloud infrastructures (Azure) and on‑premises integration.
- Familiarity with security policies and incident response processes.
Responsibilities
- Maintain and secure multi-classification environments.
- Support public cloud SaaS offerings like Office 365.
- Triage and handle monitoring alerts and changes.
- Perform change controlled maintenance tasks on infrastructure.
- Monitor and manage ticketing and alerting systems for changes and security alerts.
- Triage monitoring alerts and ensure timely remediation.
- Maintain patch levels per provider recommendations and security policy.
- Assess incident impact and initiate return to service with follow‑ups.
- Identify trends to improve stability and performance.
- Develop knowledge through study and vocational certifications.
- Advise customers and project teams on infrastructure and support aspects.
- Share knowledge via team articles and internal documentation.
- Support the team in winning business.
Skills
Tools
Job description
We currently have an exciting opportunity for a Senior Infrastructure Engineer to join our existing experienced team.
This role requires the highest level of UK security clearance.
- Maintain, improve, and secure SiXworks’ multi‑classification, virtualised, collaboration and development environments.
- Work with IT infrastructure colleagues to improve SiXworks’ ‘Secure by Design’ capabilities, internally and across its projects.
- Provide Infrastructure support to SiXworks’ public cloud SaaS offerings (Office 365) as well as project‑based systems (public, private and hybrid clouds) in implementation and support lifecycles.
- Perform maintenance tasks on the infrastructure through change control.
- Assist with monitoring and management of SiXworks’ and project‑based ticketing and alerting systems for new changes and security alerts.
- Triage monitoring alerts and perform appropriate action.
- Maintain monitoring components in line with infrastructure developments.
- Ensure all platforms are patched in line with provider recommendations and SiXworks security policy.
- Quickly and accurately assess impact of incidents, initiate return to service and ensure follow up actions are completed.
- Identify trends and problems and plan changes to improve stability and performance.
- Maintain cutting edge knowledge and skills in the design and build of secure public, private, and hybrid cloud and network technologies.
- Develop personal knowledge through study/research toward vocational certifications in relevant technologies/vendors.
- Advise customers and project teams on infrastructure and support aspects.
- Cascade knowledge through knowledge articles for the team and wider organisation.
- Support the SiXworks team in winning business.
- Team Player
- Windows Server 2016+ administration.
- RedHat Openshift
- Linux (CentOS/RedHat/Ubuntu)
- EUD provisioning (Autopilot), maintenance, patching and hardening.
- SSO – concepts and operation.
- Understanding of working in protectively marked environments.
- VMware
- Azure
- Networking
- Automation (scripting ansible/powershell)
- Kubernetes administration e.g. VMware TKGI
- VMware vSphere/vCenter/VCF.
- Azure/Microsoft 365 administration.
- DevSecOps Tooling
- Elastic
- Nessus
- Application Packaging
- HashiCorp Terraform
- HashiCorp Vault
- Experience working in Agile sprints
SiXworks is a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail‑safe‑fast cutting‑edge technology solutions deployed in highly secure environments. We are unified in our mission to accelerate innovation and adoption of secure, digital technology to improve the operational agility of Defence and National Security. This is an exciting time for us, we have ambitious plans for continued growth and development, and we are seeking to add brilliant, experienced, motivated, and passionate people to our team to work with us on this journey.
Our team is a fusion of brilliance, featuring senior operational, technical, and business leaders from various industries and the armed forces. We’re also powered by a league of extraordinary IT engineers, architects, developers, and project managers. Together, we’re an unstoppable force of digital innovation!
SiXworks offers a unique work culture around our core principles Agility, Security, Innovation, Quality, Collaboration and Inclusivity.
- 25 days annual leave + bank holidays.
- Private Medical Insurance.
- Life Assurance Scheme
- Pension scheme
- Professional Development opportunities.
- Cycle to Work scheme.
- Perks at Work scheme.
- Discretionary Bonus scheme.
Due to the secure nature of the position and working environment, you must have, or be eligible to obtain Security Clearance.
More details relating to UK Security Clearance can be found here: United Kingdom Security Vetting: clearance levels – GOV.UK (www.gov.uk)
By proceeding with this application, you understand that SiXworks will share your personal information with other IBM subsidiaries involved in your recruitment process, wherever these are located. More information on how IBM protects your personal information, including the safeguards in case of cross‑border data transfer, are available here: https://www.ibm.com/privacy
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